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 in San Jose (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
23°C maximum daytime temperature in January in San Jose23
24°C maximum daytime temperature in February in San Jose24
25°C maximum daytime temperature in March in San Jose25
25°C maximum daytime temperature in April in San Jose25
25°C maximum daytime temperature in May in San Jose25
25°C maximum daytime temperature in June in San Jose25
24°C maximum daytime temperature in July in San Jose24
24°C maximum daytime temperature in August in San Jose24
24°C maximum daytime temperature in September in San Jose24
24°C maximum daytime temperature in October in San Jose24
24°C maximum daytime temperature in November in San Jose24
23°C maximum daytime temperature in December in San Jose23
Min temperature (night-time)
15°C minimum night-time temperature in January in San Jose15
15°C minimum night-time temperature in February in San Jose15
16°C minimum night-time temperature in March in San Jose16
16°C minimum night-time temperature in April in San Jose16
17°C minimum night-time temperature in May in San Jose17
17°C minimum night-time temperature in June in San Jose17
17°C minimum night-time temperature in July in San Jose17
17°C minimum night-time temperature in August in San Jose17
17°C minimum night-time temperature in September in San Jose17
17°C minimum night-time temperature in October in San Jose17
16°C minimum night-time temperature in November in San Jose16
16°C minimum night-time temperature in December in San Jose16
Heat & Humidity
No heat & humidity in January in San Jose0
Low heat & humidity in February in San JoseL
Low heat & humidity in March in San JoseL
Low heat & humidity in April in San JoseL
Low heat & humidity in May in San JoseL
Low heat & humidity in June in San JoseL
Low heat & humidity in July in San JoseL
Low heat & humidity in August in San JoseL
Low heat & humidity in September in San JoseL
Low heat & humidity in October in San JoseL
No heat & humidity in November in San Jose0
No heat & humidity in December in San Jose0

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
Daily hours of daylight
12 hours of daylight per day in January in San Jose12
12 hours of daylight per day in February in San Jose12
12 hours of daylight per day in March in San Jose12
12 hours of daylight per day in April in San Jose12
13 hours of daylight per day in May in San Jose13
13 hours of daylight per day in June in San Jose13
13 hours of daylight per day in July in San Jose13
12 hours of daylight per day in August in San Jose12
12 hours of daylight per day in September in San Jose12
12 hours of daylight per day in October in San Jose12
12 hours of daylight per day in November in San Jose12
12 hours of daylight per day in December in San Jose12
UV Index (Maximum)
UV (maximum) index 11 (Extreme) in January in San Jose11
UV (maximum) index 11+ (Extreme) in February in San Jose11
UV (maximum) index 11+ (Extreme) in March in San Jose11
UV (maximum) index 11+ (Extreme) in April in San Jose11
UV (maximum) index 11+ (Extreme) in May in San Jose11
UV (maximum) index 11+ (Extreme) in June in San Jose11
UV (maximum) index 11+ (Extreme) in July in San Jose11
UV (maximum) index 11+ (Extreme) in August in San Jose11
UV (maximum) index 11+ (Extreme) in September in San Jose11
UV (maximum) index 11+ (Extreme) in October in San Jose11
UV (maximum) index 11 (Extreme) in November in San Jose11
UV (maximum) index 10 (Very High) in December in San Jose10

Rainfall in San Jose

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
12 days with some rainfall in January in San Jose12
9 days with some rainfall in February in San Jose9
8 days with some rainfall in March in San Jose8
10 days with some rainfall in April in San Jose10
19 days with some rainfall in May in San Jose19
24 days with some rainfall in June in San Jose24
23 days with some rainfall in July in San Jose23
24 days with some rainfall in August in San Jose24
24 days with some rainfall in September in San Jose24
23 days with some rainfall in October in San Jose23
18 days with some rainfall in November in San Jose18
16 days with some rainfall in December in San Jose16
Average monthly rainfall (mm)
6 mm monthly rainfall in January in San Jose6
7 mm monthly rainfall in February in San Jose7
9 mm monthly rainfall in March in San Jose9
56 mm monthly rainfall in April in San Jose56
261 mm monthly rainfall in May in San Jose261
296 mm monthly rainfall in June in San Jose296
205 mm monthly rainfall in July in San Jose205
282 mm monthly rainfall in August in San Jose282
372 mm monthly rainfall in September in San Jose372
343 mm monthly rainfall in October in San Jose343
155 mm monthly rainfall in November in San Jose155
36 mm monthly rainfall in December in San Jose36

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.

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

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Tropical storm risk: San Jose, Costa Rica hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
0
0
0
0
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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  • Book online with TUI & save up to 7% on holidays
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  • Pay £0 deposits with direct debit & spread the cost
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More about Costa Rica

Compare San Jose with the USA

Below the San Jose chart shows average maximum daytime temperature for San Jose, Costa Rica and the USA (Washington).

Maximum daytime temperature (°C)

San Jose, Costa Rica
USA (Washington)
23
5
24
7
25
13
25
19
25
24
25
29
24
31
24
30
24
26
24
20
24
14
23
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

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