Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
The onset of January marks an average high-temperature of a still moderately hot 25.9°C (78.6°F), hardly differing from December's 25.2°C (77.4°F). An average low-temperature of 15.2°C (59.4°F) is observed during January nights in Alajuela.Humidity
The average relative humidity in January is 76%.Rainfall
In January, the rain falls for 14.8 days. Throughout January, 32mm (1.26") of precipitation is accumulated. In Alajuela, during the entire year, the rain falls for 289.5 days and collects up to 2506mm (98.66") of precipitation.Daylight
In Alajuela, the average length of the day in January is 11h and 36min.On the first day of the month, sunrise is at 05:55 and sunset at 17:27. On the last day of January, in Alajuela, sunrise is at 06:00 and sunset at 17:41 CST.
Sunshine
In Alajuela, the average sunshine in January is 8.8h.UV index
The months with the lowest UV index are January, February, May through December, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 5 in January transforms into this advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
What are the temperatures in Alajuela in January?
What is the average humidity in January in Alajuela?
How much does it rain in Alajuela in January?
How many hours of daylight does Alajuela have in January?
When is the sunrise / sunset in January in Alajuela?
How many hours of sunshine does Alajuela have in January?
What is the month with the lowest UV index in Alajuela?
What is the UV index intensity in January in Alajuela?
Average temperature in January
Alajuela, Costa Rica
- Average high temperature in January: 25.9°C
The warmest month (with the highest average high temperature) is April (28°C).
The month with the lowest average high temperature is October (23.8°C).
- Average low temperature in January: 15.2°C
The month with the highest average low temperature is May (18.3°C).
The coldest month (with the lowest average low temperature) is January (15.2°C).
Average pressure in January
Alajuela, Costa Rica
- Average pressure in January: 1012.2mbar
The month with the highest atmospheric pressure is January (1012.2mbar).
The month with the lowest atmospheric pressure is October (1010.8mbar).
Average wind speed in January
Alajuela, Costa Rica
- Average wind speed in January: 10.7km/h
The windiest month (with the highest average wind speed) is February (10.9km/h).
The calmest month (with the lowest average wind speed) is September (3.9km/h).
Average humidity in January
Alajuela, Costa Rica
- Average humidity in January: 76%
The month with the highest relative humidity is October (90%).
The month with the lowest relative humidity is March (71%).
Average rainfall in January
Alajuela, Costa Rica
- Average rainfall in January: 32mm
The wettest month (with the highest rainfall) is October (421mm).
The driest month (with the least rainfall) is February (25mm).
Average rainfall days in January
Alajuela, Costa Rica
- Average rainfall days in January: 14.8 days
The month with the highest number of rainy days is October (30.5 days).
The month with the least rainy days is February (12.3 days).
Average daylight in January /
Average sunshine in January
Alajuela, Costa Rica
- Average daylight in January: 11h and 4min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in January: 8h and 5min
The month with the most sunshine is February (Average sunshine: 9h and 24min).
The month with the least sunshine is October (Average sunshine: 6h and 12min).
Average sunshine days in January
Alajuela, Costa Rica
- Average sunshine days in January: 11.4 days
The month with the most sunshine days is February (11.9 days).
The month with the least sunshine days is September (0.4 days).
Average UV index in January
Alajuela, Costa Rica
- Average UV index in January: 5
The months with the highest UV index are March and April (UV index 6).
The months with the lowest UV index are January, February, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in January
Alajuela, Costa Rica
- Average cloud cover in January: 26
The month with the most cloud cover is October (Cloud cover 62).
The month with the least cloud cover is February (Cloud cover 23).
Average visibility in January
Alajuela, Costa Rica
- Average visibility in January: 9km
The months with the highest visibility are January, February, March and April (9km).
The months with the lowest visibility are September and October (6km).
Alajuela, Costa Rica
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