Weather in January
Temperature
Fortuna's entry into January measures an average high-temperature of a still moderately hot 29°C (84.2°F), matching the preceding month's conditions. During the month of January, the temperature generally drops to a low average of 21°C (69.8°F).Rainfall
In Fortuna, in January, during 10 rainfall days, 193mm (7.6") of precipitation is typically accumulated. Throughout the year, there are 190 rainfall days, and 3508mm (138.11") of precipitation is accumulated.Daylight
In Fortuna, the average length of the day in January is 11h and 35min.On the first day of January in Fortuna, sunrise is at 05:56 and sunset at 17:27. On the last day of the month, sunrise is at 06:01 and sunset at 17:42 CST.
Sunshine
In Fortuna, Costa Rica, the average sunshine in January is 6h.UV index
In January, the average daily maximum UV index is 11. A UV Index value of 11, and more, symbolizes an extreme threat to health from exposure to the Sun's UV radiation for the average person.Note: The UV index of 11 during January translates into the following guidance:
Adopt all important safety measures, unprotected skin may burn rapidly. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Safeguard your skin from sunburn by consistently using sunscreen with a 30 SPF or more. This also reduces the Sun’s damaging effects.
Frequently asked questions
How hot is January in Fortuna?
How many days does it rain in January in Fortuna?
How many hours of daylight does Fortuna have in January?
What time are sunrise and sunset in January in Fortuna?
How many hours of sunshine does Fortuna have in January?
What is the UV index intensity in January in Fortuna?
Average temperature in January
Fortuna, Costa Rica
- Average high temperature in January: 29°C
The warmest months (with the highest average high temperature) are March and April (32°C).
The month with the lowest average high temperature is November (28°C).
- Average low temperature in January: 21°C
The month with the highest average low temperature is April (24°C).
The coldest months (with the lowest average low temperature) are January, October, November and December (21°C).
Average rainfall in January
Fortuna, Costa Rica
- Average rainfall in January: 193mm
The wettest month (with the highest rainfall) is July (462mm).
The driest month (with the least rainfall) is March (81mm).
Average rainfall days in January
Fortuna, Costa Rica
- Average rainfall days in January: 10 days
The month with the highest number of rainy days is September (23 days).
The months with the least rainy days are February and March (7 days).
Average daylight in January /
Average sunshine in January
Fortuna, 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: 6h
The months with the most sunshine are February, March and April (Average sunshine: 7h).
The months with the least sunshine are September, October and November (Average sunshine: 5h).
Average UV index in January
Fortuna, Costa Rica
- Average UV index in January: 11
The months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
The month with the lowest UV index is December (UV index 10).
Fortuna, Costa Rica
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