Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
April, recognised by an average high temperature of 26°C (78.8°F) and a low of 15.9°C (60.6°F), is San José's warmest month.Humidity
In San José, Costa Rica, the average relative humidity in April is 78%.Rainfall
In San José, in April, during 21.9 rainfall days, 100mm (3.94") of precipitation is typically accumulated. In San José, during the entire year, the rain falls for 287.8 days and collects up to 2585mm (101.77") of precipitation.Daylight
In San José, the average length of the day in April is 12h and 21min.On the first day of the month, sunrise is at 05:33 and sunset at 17:46. On the last day of April, in San José, Costa Rica, sunrise is at 05:19 and sunset at 17:47 CST.
Sunshine
In San José, Costa Rica, the average sunshine in April is 8.6h.UV index
January through December, with an average maximum UV index of 5, are months with the highest UV index. January through December, with an average maximum UV index of 5, are months with the lowest UV index in San José. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In April, the average maximum UV index of 5 translates into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What is the warmest month in San José?
What is the average April temperature in San José?
What is the average humidity in April in San José?
How many days does it rain in April in San José?
What is the average length of the day in April in San José?
When is the sunrise / sunset in April in San José?
How long on average sun shines in April in San José?
What are the months with the highest UV index in San José?
What is the month with the lowest UV index in San José?
What is the UV index reading in April in San José?
Average temperature in April
San José, Costa Rica
- Average high temperature in April: 26°C
The warmest month (with the highest average high temperature) is April (26°C).
The month with the lowest average high temperature is October (22.4°C).
- Average low temperature in April: 15.9°C
The month with the highest average low temperature is June (17°C).
The coldest month (with the lowest average low temperature) is January (13.8°C).
Average pressure in April
San José, Costa Rica
- Average pressure in April: 1011.5mbar
The month with the highest atmospheric pressure is January (1012.3mbar).
The month with the lowest atmospheric pressure is October (1010.8mbar).
Average wind speed in April
San José, Costa Rica
- Average wind speed in April: 7km/h
The windiest month (with the highest average wind speed) is February (10.7km/h).
The calmest month (with the lowest average wind speed) is September (4.3km/h).
Average humidity in April
San José, Costa Rica
- Average humidity in April: 78%
The months with the highest relative humidity are September and October (91%).
The months with the lowest relative humidity are February and March (75%).
Average rainfall in April
San José, Costa Rica
- Average rainfall in April: 100mm
The wettest month (with the highest rainfall) is October (438mm).
The driest month (with the least rainfall) is February (26mm).
Average rainfall days in April
San José, Costa Rica
- Average rainfall days in April: 21.9 days
The month with the highest number of rainy days is October (30.5 days).
The month with the least rainy days is February (12.2 days).
Average daylight in April /
Average sunshine in April
San José, Costa Rica
- Average daylight in April: 12h and 2min
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 36min).
- Average sunshine in April: 8h and 4min
The month with the most sunshine is February (Average sunshine: 9h and 12min).
The month with the least sunshine is October (Average sunshine: 5h and 48min).
Average sunshine days in April
San José, Costa Rica
- Average sunshine days in April: 6.4 days
The month with the most sunshine days is March (13.5 days).
The month with the least sunshine days is September (0.1 days).
Average UV index in April
San José, Costa Rica
- Average UV index in April: 5
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in April
San José, Costa Rica
- Average cloud cover in April: 42
The month with the most cloud cover is October (Cloud cover 68).
The month with the least cloud cover is February (Cloud cover 30).
Average visibility in April
San José, Costa Rica
- Average visibility in April: 8km
The months with the highest visibility are January, February and March (9km).
The months with the lowest visibility are August, September, October and November (6km).
San José, Costa Rica
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