Weather in San Jose: April
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Average day temperature: | 79.2°F |
| Average night temperature: | 60.5°F | |
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Sea water temperature: | 85.7°F |
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Number of sunny days: | 6 days |
| Day length: | 12.2 - 12.5 hours | |
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Number of rainy days: | 8 days |
| Precipitation totals: | 5.7 in. | |
| more information | ||
14 days
forecast
forecast
| San Jose |
sea water
temperature
temperature
| San Jose |
Air temperature in April, °F
Show year:
2026
2025
2024
The highest day temperature during April of 2026 was 81°F. At the same time the lowest night temperature was 55°F. Daily and nightly averages during April were 76.6°F and 58.9°F.
Sea water temperature in San Jose in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 86.7°F. The highest and lowest sea temperatures during the month were 87.4°F and 85.5°F.
Sunny, partly cloudy and cloudy days
Mostly all days in April are partly cloudy but sunny or cloudy days are also possible.
Precipitation total in April, in.
Precipitation total value in San Jose in April is 5.4 in.
Wind speed in April, mph
The average wind speed value in April is 3.8 mph
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in April is: 5.8.
Best time for vacation in San Jose
San Jose on a weather map
Places in Costa Rica:
Name
°F
24 Hours Forecast
San Jose
Local time: 09:36
April 27, monday
1200
82°F
S
2 mph
2 mph
1500
73°F
SE
1 mph
1 mph
1800
64°F
SW
2 mph
2 mph
2100
61°F
SW
3 mph
3 mph
April 28, tuesday
0000
59°F
SW
3 mph
3 mph
0300
57°F
W
4 mph
4 mph
0600
57°F
W
4 mph
4 mph
0900
75°F
S
2 mph
2 mph
