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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 |
29 |
29 |
30 |
30 |
31 |
31 |
31 |
31 |
31 |
30 |
29 |
| Min temperature (night-time) | 22 |
21 |
22 |
22 |
23 |
24 |
24 |
24 |
24 |
24 |
23 |
22 |
| Heat & Humidity | H |
H |
H |
H |
H |
VH |
VH |
VH |
VH |
VH |
H |
H |
| Sea temperature | 27 |
26 |
26 |
27 |
27 |
28 |
28 |
29 |
29 |
29 |
28 |
27 |
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 |
12 |
12 |
13 |
13 |
13 |
13 |
13 |
12 |
12 |
11 |
11 |
| UV Index (Maximum) | 8 |
10 |
11 |
11 |
11 |
11 |
11 |
11 |
11 |
10 |
9 |
8 |
Rainfall in Arroyo
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of days with some rain | 20 |
15 |
15 |
13 |
15 |
16 |
18 |
19 |
17 |
18 |
19 |
21 |
| Average monthly rainfall (mm) | 32 |
37 |
26 |
63 |
134 |
133 |
107 |
135 |
181 |
170 |
126 |
64 |
More about Arroyo
Arroyo by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Puerto Rico
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 max day temperature
28 - 8 hours of sunshine per day
- 20 days with some rainfall
20 - 22°C min night temperature
22 - 11 hours of daylight per day
11 - High heat & humidity
H - 32 mm of monthly rainfall
32 - 8 (Very High) UV index
8 - 27°C sea temperature
27
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 max day temperature
29 - 8 hours of sunshine per day
- 15 days with some rainfall
15 - 21°C min night temperature
21 - 12 hours of daylight per day
12 - High heat & humidity
H - 37 mm of monthly rainfall
37 - 10 (Very High) UV index
10 - 26°C sea temperature
26
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 max day temperature
29 - 9 hours of sunshine per day
- 15 days with some rainfall
15 - 22°C min night temperature
22 - 12 hours of daylight per day
12 - High heat & humidity
H - 26 mm of monthly rainfall
26 - 11+ (Extreme) UV index
11 - 26°C sea temperature
26
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 max day temperature
30 - 9 hours of sunshine per day
- 13 days with some rainfall
13 - 22°C min night temperature
22 - 13 hours of daylight per day
13 - High heat & humidity
H - 63 mm of monthly rainfall
63 - 11+ (Extreme) UV index
11 - 27°C sea temperature
27
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 max day temperature
30 - 8 hours of sunshine per day
- 15 days with some rainfall
15 - 23°C min night temperature
23 - 13 hours of daylight per day
13 - High heat & humidity
H - 134 mm of monthly rainfall
134 - 11+ (Extreme) UV index
11 - 27°C sea temperature
27
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 max day temperature
31 - 9 hours of sunshine per day
- 16 days with some rainfall
16 - 24°C min night temperature
24 - 13 hours of daylight per day
13 - Very High heat & humidity
VH - 133 mm of monthly rainfall
133 - 11+ (Extreme) UV index
11 - 28°C sea temperature
28
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 max day temperature
31 - 9 hours of sunshine per day
- 18 days with some rainfall
18 - 24°C min night temperature
24 - 13 hours of daylight per day
13 - Very High heat & humidity
VH - 107 mm of monthly rainfall
107 - 11+ (Extreme) UV index
11 - 28°C sea temperature
28
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 max day temperature
31 - 9 hours of sunshine per day
- 19 days with some rainfall
19 - 24°C min night temperature
24 - 13 hours of daylight per day
13 - Very High heat & humidity
VH - 135 mm of monthly rainfall
135 - 11+ (Extreme) UV index
11 - 29°C sea temperature
29
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 max day temperature
31 - 8 hours of sunshine per day
- 17 days with some rainfall
17 - 24°C min night temperature
24 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 181 mm of monthly rainfall
181 - 11+ (Extreme) UV index
11 - 29°C sea temperature
29
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 max day temperature
31 - 7 hours of sunshine per day
- 18 days with some rainfall
18 - 24°C min night temperature
24 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 170 mm of monthly rainfall
170 - 10 (Very High) UV index
10 - 29°C sea temperature
29
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 max day temperature
30 - 7 hours of sunshine per day
- 19 days with some rainfall
19 - 23°C min night temperature
23 - 11 hours of daylight per day
11 - High heat & humidity
H - 126 mm of monthly rainfall
126 - 9 (Very High) UV index
9 - 28°C sea temperature
28
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 max day temperature
29 - 7 hours of sunshine per day
- 21 days with some rainfall
21 - 22°C min night temperature
22 - 11 hours of daylight per day
11 - High heat & humidity
H - 64 mm of monthly rainfall
64 - 8 (Very High) UV index
8 - 27°C sea temperature
27
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
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)
Metric (°C / mm) | Imperial (°F / inches)
More about Puerto Rico
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