San Jose weather averages for holidays in 2017/2018

Check San Jose weather averages before you book your next holiday in 2017/2018. Today's maximum temperature in San Jose is expected to be 22°C, while the average maximum temperature in September is 24°C.

Now Today
- 22
- 0
View weather today
Usually in September
- 24
- 17
- 6
View weather averages
Outlook Tomorrow
- 23
- 0
View 5-day forecast

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More about San Jose

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

San Jose weather averages

Check out the San Jose weather averages before you book your next holiday to Costa Rica. The warmest months in San Jose are March, April, May and June with an average maximum temperature of 25°C. The sunniest months are January, February, March, April, May and June with on average 7 hours of bright sunshine per day. The month with the least number of days with some rain is March with 8 days.

Maximum daytime temperature (°C)

23
Jan
24
Feb
25
Mar
25
Apr
25
May
25
Jun
24
Jul
24
Aug
24
Sep
24
Oct
24
Nov
23
Dec

Hours of sunshine (daily)

7
Jan
7
Feb
7
Mar
7
Apr
7
May
7
Jun
6
Jul
6
Aug
6
Sep
6
Oct
6
Nov
6
Dec

Days with some rainfall

12
Jan
9
Feb
8
Mar
10
Apr
19
May
24
Jun
23
Jul
24
Aug
24
Sep
23
Oct
18
Nov
16
Dec

More weather parameters

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

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San Jose weather today

Here is the weather in San Jose today, Tuesday 26th September 2017. Expect isolated thunderstorms in San Jose, Costa Rica with a maximum temperature of 22°C and no hours of bright sunshine. There are 30-40 mm of rainfall expected with 97% chance of some rain and little or no wind of 6 kph from the south-west.

22
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
97
% chance of some rain
<40
mm of rainfall expected
0
no heat & humidity
6
kph wind from SW

5-day weather forecast

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

<1%

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

The San Jose, Costa Rica tropical storm risk chart above shows the hurricane season.

More about tropical storms

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San Jose holiday weather averages by month

Check San Jose holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

Compare San Jose weather with the USA

Below the San Jose weather chart shows maximum daytime temperature for San Jose, Costa Rica and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.