Weather in Jaco: May
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Average day temperature: | 83.9°F |
| Average night temperature: | 79.8°F | |
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Sea water temperature: | 85.3°F |
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Number of sunny days: | 1 day |
| Day length: | 12.5 - 12.6 hours | |
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Number of rainy days: | 20 days |
| Precipitation totals: | 9.5 in. | |
| more information | ||
14 days
forecast
forecast
| Jaco |
sea water
temperature
temperature
| Jaco |
Air temperature in May, °F
Show year:
2025
2024
2023
The highest day temperature during May of 2025 was 86°F. At the same time the lowest night temperature was 77°F. Daily and nightly averages during May were 83.8°F and 79.6°F.
Sea water temperature in Jaco in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 85.9°F. The highest and lowest sea temperatures during the month were 86.7°F and 84.9°F.
Sunny, partly cloudy and cloudy days
Mostly all days in May are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in May, in.
Precipitation total value in Jaco in May is 9.5 in.
Wind speed in May, mph
The average wind speed value in May is 4.6 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 May is: 4.1.
Best time for vacation in Jaco
Jaco on a weather map
Places in Costa Rica:
Name
°F
24 Hours Forecast
Jaco
Local time: 00:12
December 05, friday
0300
75°F
SW
6 mph
6 mph
0600
75°F
SW
6 mph
6 mph
0900
81°F
W
3 mph
3 mph
1200
81°F
N
6 mph
6 mph
1500
81°F
N
6 mph
6 mph
1800
79°F
NW
6 mph
6 mph
2100
77°F
W
5 mph
5 mph
December 06, saturday
0000
77°F
W
4 mph
4 mph
