San Jose weather by month

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

Temperature
Rainfall
Sunshine & daylight
UV levels & humidity

Temperature in San Jose (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	23	24	25	25	25	25	24	24	24	24	24	23
Min temperature (night-time)	15	15	16	16	17	17	17	17	17	17	16	16
Heat & Humidity	0	L	L	L	L	L	L	L	L	L	0	0

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

Sunshine & Daylight in San Jose

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	7	7	7	7	7	7	6	6	6	6	6	6
Daily hours of daylight	12	12	12	12	13	13	13	12	12	12	12	12
UV Index (Maximum)	11	11	11	11	11	11	11	11	11	11	11	10

Rainfall in San Jose

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	12	9	8	10	19	24	23	24	24	23	18	16
Average monthly rainfall (mm)	6	7	9	56	261	296	205	282	372	343	155	36

More about San Jose

San Jose by month

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

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The climate guide for Costa Rica (San Jose) 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 San Jose?

San Jose has a hot tropical climate with a short dry season.

San Jose weather in January

Expect daytime maximum temperatures of 23°C in San Jose, Costa Rica in January based on long-term weather averages. There are 7 hours of sunshine per day on average with 12 days with some rainfall.

23
23°C max day temperature
7
7 hours of sunshine per day
12
12 days with some rainfall
15
15°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
6
6 mm of monthly rainfall
11
11 (Extreme) UV index

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San Jose weather in February

Expect daytime maximum temperatures of 24°C in San Jose, Costa Rica in February based on long-term weather averages. There are 7 hours of sunshine per day on average.

24
24°C max day temperature
7
7 hours of sunshine per day
9
9 days with some rainfall
15
15°C min night temperature
12
12 hours of daylight per day
L
Low heat & humidity
7
7 mm of monthly rainfall
11
11+ (Extreme) UV index

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San Jose weather in March

Expect daytime maximum temperatures of 25°C in San Jose, Costa Rica in March based on long-term weather averages. There are 7 hours of sunshine per day on average.

25
25°C max day temperature
7
7 hours of sunshine per day
8
8 days with some rainfall
16
16°C min night temperature
12
12 hours of daylight per day
L
Low heat & humidity
9
9 mm of monthly rainfall
11
11+ (Extreme) UV index

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San Jose weather in April

Expect daytime maximum temperatures of 25°C in San Jose, Costa Rica in April based on long-term weather averages. There are 7 hours of sunshine per day on average with 10 days with some rainfall and typically 56 mm of rainfall in the month.

25
25°C max day temperature
7
7 hours of sunshine per day
10
10 days with some rainfall
16
16°C min night temperature
12
12 hours of daylight per day
L
Low heat & humidity
56
56 mm of monthly rainfall
11
11+ (Extreme) UV index

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San Jose weather in May

Expect daytime maximum temperatures of 25°C in San Jose, Costa Rica in May based on long-term weather averages. There are 7 hours of sunshine per day on average with 19 days with some rainfall and typically 261 mm of rainfall in the month.

25
25°C max day temperature
7
7 hours of sunshine per day
19
19 days with some rainfall
17
17°C min night temperature
13
13 hours of daylight per day
L
Low heat & humidity
261
261 mm of monthly rainfall
11
11+ (Extreme) UV index

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San Jose weather in June

Expect daytime maximum temperatures of 25°C in San Jose, Costa Rica in June based on long-term weather averages. There are 7 hours of sunshine per day on average with 24 days with some rainfall and typically 296 mm of rainfall in the month.

25
25°C max day temperature
7
7 hours of sunshine per day
24
24 days with some rainfall
17
17°C min night temperature
13
13 hours of daylight per day
L
Low heat & humidity
296
296 mm of monthly rainfall
11
11+ (Extreme) UV index

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San Jose weather in July

Expect daytime maximum temperatures of 24°C in San Jose, Costa Rica in July based on long-term weather averages. There are 6 hours of sunshine per day on average with 23 days with some rainfall and typically 205 mm of rainfall in the month.

24
24°C max day temperature
6
6 hours of sunshine per day
23
23 days with some rainfall
17
17°C min night temperature
13
13 hours of daylight per day
L
Low heat & humidity
205
205 mm of monthly rainfall
11
11+ (Extreme) UV index

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San Jose weather in August

Expect daytime maximum temperatures of 24°C in San Jose, Costa Rica in August based on long-term weather averages. There are 6 hours of sunshine per day on average with 24 days with some rainfall and typically 282 mm of rainfall in the month.

24
24°C max day temperature
6
6 hours of sunshine per day
24
24 days with some rainfall
17
17°C min night temperature
12
12 hours of daylight per day
L
Low heat & humidity
282
282 mm of monthly rainfall
11
11+ (Extreme) UV index

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San Jose weather in September

Expect daytime maximum temperatures of 24°C in San Jose, Costa Rica in September based on long-term weather averages. There are 6 hours of sunshine per day on average with 24 days with some rainfall and typically 372 mm of rainfall in the month.

24
24°C max day temperature
6
6 hours of sunshine per day
24
24 days with some rainfall
17
17°C min night temperature
12
12 hours of daylight per day
L
Low heat & humidity
372
372 mm of monthly rainfall
11
11+ (Extreme) UV index

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San Jose weather in October

Expect daytime maximum temperatures of 24°C in San Jose, Costa Rica in October based on long-term weather averages. There are 6 hours of sunshine per day on average with 23 days with some rainfall and typically 343 mm of rainfall in the month.

24
24°C max day temperature
6
6 hours of sunshine per day
23
23 days with some rainfall
17
17°C min night temperature
12
12 hours of daylight per day
L
Low heat & humidity
343
343 mm of monthly rainfall
11
11+ (Extreme) UV index

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San Jose weather in November

Expect daytime maximum temperatures of 24°C in San Jose, Costa Rica in November based on long-term weather averages. There are 6 hours of sunshine per day on average with 18 days with some rainfall and typically 155 mm of rainfall in the month.

24
24°C max day temperature
6
6 hours of sunshine per day
18
18 days with some rainfall
16
16°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
155
155 mm of monthly rainfall
11
11 (Extreme) UV index

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San Jose weather in December

Expect daytime maximum temperatures of 23°C in San Jose, Costa Rica in December based on long-term weather averages. There are 6 hours of sunshine per day on average with 16 days with some rainfall.

23
23°C max day temperature
6
6 hours of sunshine per day
16
16 days with some rainfall
16
16°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
36
36 mm of monthly rainfall
10
10 (Very High) UV index

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