Weather in Alajuela: May
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Average day temperature: | 79.8°F |
| Average night temperature: | 65.5°F | |
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Sea water temperature: | 85.0°F |
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Number of sunny days: | 4 days |
| Day length: | 12.5 - 12.7 hours | |
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Number of rainy days: | 22 days |
| Precipitation totals: | 17.1 in. | |
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forecast
| Alajuela |
temperature
| Alajuela |
Air temperature in May, °F
The highest day temperature during May of 2025 was 82°F. At the same time the lowest night temperature was 59°F. Daily and nightly averages during May were 77.2°F and 62.8°F.
Sea water temperature in Alajuela in May, °F
The average sea water temperature in May of 2025 was 85.8°F. The highest and lowest sea temperatures during the month were 86.7°F and 84.9°F.
Mostly all days in May are partly cloudy but sunny or cloudy days are also possible.
Precipitation total in May, in.
Precipitation total value in Alajuela in May is 18.0 in.
The average wind speed value in May is 2.7 mph It makes May one of the least windy months of the year.
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: 5.4.
Best time for vacation in Alajuela
Alajuela on a weather map
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