Arroyo weather by month

Check out Arroyo weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Arroyo (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
28°C maximum daytime temperature in January in Arroyo28
29°C maximum daytime temperature in February in Arroyo29
29°C maximum daytime temperature in March in Arroyo29
30°C maximum daytime temperature in April in Arroyo30
30°C maximum daytime temperature in May in Arroyo30
31°C maximum daytime temperature in June in Arroyo31
31°C maximum daytime temperature in July in Arroyo31
31°C maximum daytime temperature in August in Arroyo31
31°C maximum daytime temperature in September in Arroyo31
31°C maximum daytime temperature in October in Arroyo31
30°C maximum daytime temperature in November in Arroyo30
29°C maximum daytime temperature in December in Arroyo29
Min temperature (night-time)
22°C minimum night-time temperature in January in Arroyo22
21°C minimum night-time temperature in February in Arroyo21
22°C minimum night-time temperature in March in Arroyo22
22°C minimum night-time temperature in April in Arroyo22
23°C minimum night-time temperature in May in Arroyo23
24°C minimum night-time temperature in June in Arroyo24
24°C minimum night-time temperature in July in Arroyo24
24°C minimum night-time temperature in August in Arroyo24
24°C minimum night-time temperature in September in Arroyo24
24°C minimum night-time temperature in October in Arroyo24
23°C minimum night-time temperature in November in Arroyo23
22°C minimum night-time temperature in December in Arroyo22
Heat & Humidity
High heat & humidity in January in ArroyoH
High heat & humidity in February in ArroyoH
High heat & humidity in March in ArroyoH
High heat & humidity in April in ArroyoH
High heat & humidity in May in ArroyoH
Very high heat & humidity in June in ArroyoVH
Very high heat & humidity in July in ArroyoVH
Very high heat & humidity in August in ArroyoVH
Very high heat & humidity in September in ArroyoVH
Very high heat & humidity in October in ArroyoVH
High heat & humidity in November in ArroyoH
High heat & humidity in December in ArroyoH
Sea temperature
27°C sea temperature in January in Arroyo27
26°C sea temperature in February in Arroyo26
26°C sea temperature in March in Arroyo26
27°C sea temperature in April in Arroyo27
27°C sea temperature in May in Arroyo27
28°C sea temperature in June in Arroyo28
28°C sea temperature in July in Arroyo28
29°C sea temperature in August in Arroyo29
29°C sea temperature in September in Arroyo29
29°C sea temperature in October in Arroyo29
28°C sea temperature in November in Arroyo28
27°C sea temperature in December in Arroyo27

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Arroyo

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
11 hours of daylight per day in January in Arroyo11
12 hours of daylight per day in February in Arroyo12
12 hours of daylight per day in March in Arroyo12
13 hours of daylight per day in April in Arroyo13
13 hours of daylight per day in May in Arroyo13
13 hours of daylight per day in June in Arroyo13
13 hours of daylight per day in July in Arroyo13
13 hours of daylight per day in August in Arroyo13
12 hours of daylight per day in September in Arroyo12
12 hours of daylight per day in October in Arroyo12
11 hours of daylight per day in November in Arroyo11
11 hours of daylight per day in December in Arroyo11
UV Index (Maximum)
UV (maximum) index 8 (Very High) in January in Arroyo8
UV (maximum) index 10 (Very High) in February in Arroyo10
UV (maximum) index 11+ (Extreme) in March in Arroyo11
UV (maximum) index 11+ (Extreme) in April in Arroyo11
UV (maximum) index 11+ (Extreme) in May in Arroyo11
UV (maximum) index 11+ (Extreme) in June in Arroyo11
UV (maximum) index 11+ (Extreme) in July in Arroyo11
UV (maximum) index 11+ (Extreme) in August in Arroyo11
UV (maximum) index 11+ (Extreme) in September in Arroyo11
UV (maximum) index 10 (Very High) in October in Arroyo10
UV (maximum) index 9 (Very High) in November in Arroyo9
UV (maximum) index 8 (Very High) in December in Arroyo8

Rainfall in Arroyo

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
20 days with some rainfall in January in Arroyo20
15 days with some rainfall in February in Arroyo15
15 days with some rainfall in March in Arroyo15
13 days with some rainfall in April in Arroyo13
15 days with some rainfall in May in Arroyo15
16 days with some rainfall in June in Arroyo16
18 days with some rainfall in July in Arroyo18
19 days with some rainfall in August in Arroyo19
17 days with some rainfall in September in Arroyo17
18 days with some rainfall in October in Arroyo18
19 days with some rainfall in November in Arroyo19
21 days with some rainfall in December in Arroyo21
Average monthly rainfall (mm)
32 mm monthly rainfall in January in Arroyo32
37 mm monthly rainfall in February in Arroyo37
26 mm monthly rainfall in March in Arroyo26
63 mm monthly rainfall in April in Arroyo63
134 mm monthly rainfall in May in Arroyo134
133 mm monthly rainfall in June in Arroyo133
107 mm monthly rainfall in July in Arroyo107
135 mm monthly rainfall in August in Arroyo135
181 mm monthly rainfall in September in Arroyo181
170 mm monthly rainfall in October in Arroyo170
126 mm monthly rainfall in November in Arroyo126
64 mm monthly rainfall in December in Arroyo64

More about Arroyo

Arroyo by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Puerto Rico (Arroyo) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Arroyo?

Arroyo has a hot tropical climate with a winter dry season.

Arroyo weather in January

Expect daytime maximum temperatures of 28°C in Arroyo, Puerto Rico in January and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 20 days with some rainfall.

  • 28°C maximum daytime temperature in January in Arroyo28
    28°C max day temperature
  • 8 hours of sunshine per day
  • 20 days with some rainfall in January in Arroyo20
    20 days with some rainfall
  • 22°C minimum night-time temperature in January in Arroyo22
    22°C min night temperature
  • 11 hours of daylight per day in January in Arroyo11
    11 hours of daylight per day
  • High heat & humidity in January in ArroyoH
    High heat & humidity
  • 32 mm monthly rainfall in January in Arroyo32
    32 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in January in Arroyo8
    8 (Very High) UV index
  • 27°C sea temperature in January in Arroyo27
    27°C sea temperature

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Arroyo weather in February

Expect daytime maximum temperatures of 29°C in Arroyo, Puerto Rico in February and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 15 days with some rainfall.

  • 29°C maximum daytime temperature in February in Arroyo29
    29°C max day temperature
  • 8 hours of sunshine per day
  • 15 days with some rainfall in February in Arroyo15
    15 days with some rainfall
  • 21°C minimum night-time temperature in February in Arroyo21
    21°C min night temperature
  • 12 hours of daylight per day in February in Arroyo12
    12 hours of daylight per day
  • High heat & humidity in February in ArroyoH
    High heat & humidity
  • 37 mm monthly rainfall in February in Arroyo37
    37 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in February in Arroyo10
    10 (Very High) UV index
  • 26°C sea temperature in February in Arroyo26
    26°C sea temperature

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Arroyo weather in March

Expect daytime maximum temperatures of 29°C in Arroyo, Puerto Rico in March and high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with 15 days with some rainfall.

  • 29°C maximum daytime temperature in March in Arroyo29
    29°C max day temperature
  • 9 hours of sunshine per day
  • 15 days with some rainfall in March in Arroyo15
    15 days with some rainfall
  • 22°C minimum night-time temperature in March in Arroyo22
    22°C min night temperature
  • 12 hours of daylight per day in March in Arroyo12
    12 hours of daylight per day
  • High heat & humidity in March in ArroyoH
    High heat & humidity
  • 26 mm monthly rainfall in March in Arroyo26
    26 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in March in Arroyo11
    11+ (Extreme) UV index
  • 26°C sea temperature in March in Arroyo26
    26°C sea temperature

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Arroyo weather in April

Expect daytime maximum temperatures of 30°C in Arroyo, Puerto Rico in April and high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with 13 days with some rainfall and typically 63 mm of rainfall in the month.

  • 30°C maximum daytime temperature in April in Arroyo30
    30°C max day temperature
  • 9 hours of sunshine per day
  • 13 days with some rainfall in April in Arroyo13
    13 days with some rainfall
  • 22°C minimum night-time temperature in April in Arroyo22
    22°C min night temperature
  • 13 hours of daylight per day in April in Arroyo13
    13 hours of daylight per day
  • High heat & humidity in April in ArroyoH
    High heat & humidity
  • 63 mm monthly rainfall in April in Arroyo63
    63 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in April in Arroyo11
    11+ (Extreme) UV index
  • 27°C sea temperature in April in Arroyo27
    27°C sea temperature

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Arroyo weather in May

Expect daytime maximum temperatures of 30°C in Arroyo, Puerto Rico in May and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 15 days with some rainfall and typically 134 mm of rainfall in the month.

  • 30°C maximum daytime temperature in May in Arroyo30
    30°C max day temperature
  • 8 hours of sunshine per day
  • 15 days with some rainfall in May in Arroyo15
    15 days with some rainfall
  • 23°C minimum night-time temperature in May in Arroyo23
    23°C min night temperature
  • 13 hours of daylight per day in May in Arroyo13
    13 hours of daylight per day
  • High heat & humidity in May in ArroyoH
    High heat & humidity
  • 134 mm monthly rainfall in May in Arroyo134
    134 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Arroyo11
    11+ (Extreme) UV index
  • 27°C sea temperature in May in Arroyo27
    27°C sea temperature

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Arroyo weather in June

Expect daytime maximum temperatures of 31°C in Arroyo, Puerto Rico in June and very high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with 16 days with some rainfall and typically 133 mm of rainfall in the month.

  • 31°C maximum daytime temperature in June in Arroyo31
    31°C max day temperature
  • 9 hours of sunshine per day
  • 16 days with some rainfall in June in Arroyo16
    16 days with some rainfall
  • 24°C minimum night-time temperature in June in Arroyo24
    24°C min night temperature
  • 13 hours of daylight per day in June in Arroyo13
    13 hours of daylight per day
  • Very high heat & humidity in June in ArroyoVH
    Very High heat & humidity
  • 133 mm monthly rainfall in June in Arroyo133
    133 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in June in Arroyo11
    11+ (Extreme) UV index
  • 28°C sea temperature in June in Arroyo28
    28°C sea temperature

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Arroyo weather in July

Expect daytime maximum temperatures of 31°C in Arroyo, Puerto Rico in July and very high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with 18 days with some rainfall and typically 107 mm of rainfall in the month.

  • 31°C maximum daytime temperature in July in Arroyo31
    31°C max day temperature
  • 9 hours of sunshine per day
  • 18 days with some rainfall in July in Arroyo18
    18 days with some rainfall
  • 24°C minimum night-time temperature in July in Arroyo24
    24°C min night temperature
  • 13 hours of daylight per day in July in Arroyo13
    13 hours of daylight per day
  • Very high heat & humidity in July in ArroyoVH
    Very High heat & humidity
  • 107 mm monthly rainfall in July in Arroyo107
    107 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in July in Arroyo11
    11+ (Extreme) UV index
  • 28°C sea temperature in July in Arroyo28
    28°C sea temperature

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Arroyo weather in August

Expect daytime maximum temperatures of 31°C in Arroyo, Puerto Rico in August and very high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with 19 days with some rainfall and typically 135 mm of rainfall in the month.

  • 31°C maximum daytime temperature in August in Arroyo31
    31°C max day temperature
  • 9 hours of sunshine per day
  • 19 days with some rainfall in August in Arroyo19
    19 days with some rainfall
  • 24°C minimum night-time temperature in August in Arroyo24
    24°C min night temperature
  • 13 hours of daylight per day in August in Arroyo13
    13 hours of daylight per day
  • Very high heat & humidity in August in ArroyoVH
    Very High heat & humidity
  • 135 mm monthly rainfall in August in Arroyo135
    135 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Arroyo11
    11+ (Extreme) UV index
  • 29°C sea temperature in August in Arroyo29
    29°C sea temperature

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Arroyo weather in September

Expect daytime maximum temperatures of 31°C in Arroyo, Puerto Rico in September and very high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 17 days with some rainfall and typically 181 mm of rainfall in the month.

  • 31°C maximum daytime temperature in September in Arroyo31
    31°C max day temperature
  • 8 hours of sunshine per day
  • 17 days with some rainfall in September in Arroyo17
    17 days with some rainfall
  • 24°C minimum night-time temperature in September in Arroyo24
    24°C min night temperature
  • 12 hours of daylight per day in September in Arroyo12
    12 hours of daylight per day
  • Very high heat & humidity in September in ArroyoVH
    Very High heat & humidity
  • 181 mm monthly rainfall in September in Arroyo181
    181 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Arroyo11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in Arroyo29
    29°C sea temperature

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Arroyo weather in October

Expect daytime maximum temperatures of 31°C in Arroyo, Puerto Rico in October and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 18 days with some rainfall and typically 170 mm of rainfall in the month.

  • 31°C maximum daytime temperature in October in Arroyo31
    31°C max day temperature
  • 7 hours of sunshine per day
  • 18 days with some rainfall in October in Arroyo18
    18 days with some rainfall
  • 24°C minimum night-time temperature in October in Arroyo24
    24°C min night temperature
  • 12 hours of daylight per day in October in Arroyo12
    12 hours of daylight per day
  • Very high heat & humidity in October in ArroyoVH
    Very High heat & humidity
  • 170 mm monthly rainfall in October in Arroyo170
    170 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in October in Arroyo10
    10 (Very High) UV index
  • 29°C sea temperature in October in Arroyo29
    29°C sea temperature

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Arroyo weather in November

Expect daytime maximum temperatures of 30°C in Arroyo, Puerto Rico in November and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 19 days with some rainfall and typically 126 mm of rainfall in the month.

  • 30°C maximum daytime temperature in November in Arroyo30
    30°C max day temperature
  • 7 hours of sunshine per day
  • 19 days with some rainfall in November in Arroyo19
    19 days with some rainfall
  • 23°C minimum night-time temperature in November in Arroyo23
    23°C min night temperature
  • 11 hours of daylight per day in November in Arroyo11
    11 hours of daylight per day
  • High heat & humidity in November in ArroyoH
    High heat & humidity
  • 126 mm monthly rainfall in November in Arroyo126
    126 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in November in Arroyo9
    9 (Very High) UV index
  • 28°C sea temperature in November in Arroyo28
    28°C sea temperature

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Arroyo weather in December

Expect daytime maximum temperatures of 29°C in Arroyo, Puerto Rico in December and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 21 days with some rainfall and typically 64 mm of rainfall in the month.

  • 29°C maximum daytime temperature in December in Arroyo29
    29°C max day temperature
  • 7 hours of sunshine per day
  • 21 days with some rainfall in December in Arroyo21
    21 days with some rainfall
  • 22°C minimum night-time temperature in December in Arroyo22
    22°C min night temperature
  • 11 hours of daylight per day in December in Arroyo11
    11 hours of daylight per day
  • High heat & humidity in December in ArroyoH
    High heat & humidity
  • 64 mm monthly rainfall in December in Arroyo64
    64 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in December in Arroyo8
    8 (Very High) UV index
  • 27°C sea temperature in December in Arroyo27
    27°C sea temperature

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More about Arroyo

Arroyo by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Puerto Rico

  • Check out best deals on all-inclusive summer sailings
  • Book cruises to the Med including 30th Birthday sailings
  • Filter deals by departure port, party size & duration

Marella CruisesCruise deal finder

The climate guide for Puerto Rico (Arroyo) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Compare Arroyo weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for Arroyo, Puerto Rico and the UK (London).

Maximum daytime temperature (°C)

Arroyo, Puerto Rico
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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