Rio San Juan weather by month

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

Temperature
Rainfall
Sunshine & UV index

Temperature in Rio San Juan (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	28	28	29	30	31	32	32	32	32	31	29	28
Min temperature (night-time)	19	19	19	20	21	22	22	22	22	21	20	20
Heat & Humidity	M	M	M	H	H	H	H	H	H	H	H	M
Sea temperature	26	26	26	26	27	27	28	28	29	29	28	27

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

Sunshine & UV index in Rio San Juan

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	7	7	7	7	7	8	8	8	7	7	6	6
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	8	7

Rainfall in Rio San Juan

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	14	11	11	10	13	13	15	16	15	16	14	14
Average monthly rainfall (mm)	135	103	109	152	204	108	132	162	131	166	268	225

More about the Rio San Juan

Rio San Juan by month

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

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The climate guide for Dominican Republic (Rio San Juan) 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 Rio San Juan?

Rio San Juan has a hot tropical climate with no dry season.

Rio San Juan weather in January

Expect daytime maximum temperatures of 28°C in Rio San Juan, Dominican Republic in January based on long-term weather averages. There are 7 hours of sunshine per day on average with 14 days with some rainfall and typically 135 mm of rainfall in the month.

28
28°C max day temperature
7
7 hours of sunshine per day
14
14 days with some rainfall
19
19°C min night temperature
11
11 hours of daylight per day
M
Moderate heat & humidity
135
135 mm of monthly rainfall
8
8 (Very High) UV index
26
26°C sea temperature

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Rio San Juan weather in February

Expect daytime maximum temperatures of 28°C in Rio San Juan, Dominican Republic in February based on long-term weather averages. There are 7 hours of sunshine per day on average with 11 days with some rainfall and typically 103 mm of rainfall in the month.

28
28°C max day temperature
7
7 hours of sunshine per day
11
11 days with some rainfall
19
19°C min night temperature
12
12 hours of daylight per day
M
Moderate heat & humidity
103
103 mm of monthly rainfall
10
10 (Very High) UV index
26
26°C sea temperature

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Rio San Juan weather in March

Expect daytime maximum temperatures of 29°C in Rio San Juan, Dominican Republic in March based on long-term weather averages. There are 7 hours of sunshine per day on average with 11 days with some rainfall and typically 109 mm of rainfall in the month.

29
29°C max day temperature
7
7 hours of sunshine per day
11
11 days with some rainfall
19
19°C min night temperature
12
12 hours of daylight per day
M
Moderate heat & humidity
109
109 mm of monthly rainfall
11
11+ (Extreme) UV index
26
26°C sea temperature

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Rio San Juan weather in April

Expect daytime maximum temperatures of 30°C in Rio San Juan, Dominican Republic in April and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 10 days with some rainfall and typically 152 mm of rainfall in the month.

30
30°C max day temperature
7
7 hours of sunshine per day
10
10 days with some rainfall
20
20°C min night temperature
13
13 hours of daylight per day
H
High heat & humidity
152
152 mm of monthly rainfall
11
11+ (Extreme) UV index
26
26°C sea temperature

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Rio San Juan weather in May

Expect daytime maximum temperatures of 31°C in Rio San Juan, Dominican Republic in May and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 13 days with some rainfall and typically 204 mm of rainfall in the month.

31
31°C max day temperature
7
7 hours of sunshine per day
13
13 days with some rainfall
21
21°C min night temperature
13
13 hours of daylight per day
H
High heat & humidity
204
204 mm of monthly rainfall
11
11+ (Extreme) UV index
27
27°C sea temperature

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Rio San Juan weather in June

Expect daytime maximum temperatures of 32°C in Rio San Juan, Dominican Republic in June and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 13 days with some rainfall and typically 108 mm of rainfall in the month.

32
32°C max day temperature
8
8 hours of sunshine per day
13
13 days with some rainfall
22
22°C min night temperature
13
13 hours of daylight per day
H
High heat & humidity
108
108 mm of monthly rainfall
11
11+ (Extreme) UV index
27
27°C sea temperature

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Rio San Juan weather in July

Expect daytime maximum temperatures of 32°C in Rio San Juan, Dominican Republic in July 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 132 mm of rainfall in the month.

32
32°C max day temperature
8
8 hours of sunshine per day
15
15 days with some rainfall
22
22°C min night temperature
13
13 hours of daylight per day
H
High heat & humidity
132
132 mm of monthly rainfall
11
11+ (Extreme) UV index
28
28°C sea temperature

Back to months

Rio San Juan weather in August

Expect daytime maximum temperatures of 32°C in Rio San Juan, Dominican Republic in August and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 16 days with some rainfall and typically 162 mm of rainfall in the month.

32
32°C max day temperature
8
8 hours of sunshine per day
16
16 days with some rainfall
22
22°C min night temperature
13
13 hours of daylight per day
H
High heat & humidity
162
162 mm of monthly rainfall
11
11+ (Extreme) UV index
28
28°C sea temperature

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Rio San Juan weather in September

Expect daytime maximum temperatures of 32°C in Rio San Juan, Dominican Republic in September and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 15 days with some rainfall and typically 131 mm of rainfall in the month.

32
32°C max day temperature
7
7 hours of sunshine per day
15
15 days with some rainfall
22
22°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
131
131 mm of monthly rainfall
11
11 (Extreme) UV index
29
29°C sea temperature

Back to months

Rio San Juan weather in October

Expect daytime maximum temperatures of 31°C in Rio San Juan, Dominican Republic in October and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 16 days with some rainfall and typically 166 mm of rainfall in the month.

31
31°C max day temperature
7
7 hours of sunshine per day
16
16 days with some rainfall
21
21°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
166
166 mm of monthly rainfall
10
10 (Very High) UV index
29
29°C sea temperature

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Rio San Juan weather in November

Expect daytime maximum temperatures of 29°C in Rio San Juan, Dominican Republic in November and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 14 days with some rainfall and typically 268 mm of rainfall in the month.

29
29°C max day temperature
6
6 hours of sunshine per day
14
14 days with some rainfall
20
20°C min night temperature
11
11 hours of daylight per day
H
High heat & humidity
268
268 mm of monthly rainfall
8
8 (Very High) UV index
28
28°C sea temperature

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Rio San Juan weather in December

Expect daytime maximum temperatures of 28°C in Rio San Juan, Dominican Republic in December based on long-term weather averages. There are 6 hours of sunshine per day on average with 14 days with some rainfall and typically 225 mm of rainfall in the month.