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
In San Diego, April is the month with the highest recorded average temperatures, measuring a high of 25.3°C (77.5°F) and a low of 15.8°C (60.4°F).Humidity
In San Diego, the average relative humidity in April is 79%.Rainfall
In April, the rain falls for 22.9 days. Throughout April, 103mm (4.06") of precipitation is accumulated. In San Diego, during the entire year, the rain falls for 305 days and collects up to 2534mm (99.76") of precipitation.Daylight
In April, the average length of the day in San Diego is 12h and 21min.On the first day of the month, sunrise is at 05:32 and sunset at 17:46. On the last day of April, sunrise is at 05:18 and sunset at 17:47 CST.
Sunshine
The average sunshine in April in San Diego is 8.6h.UV index
The months with the highest UV index in San Diego are January through December, with an average maximum UV index of 5. The months with the lowest UV index in San Diego are January through December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 5 during April translates into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What part of the year is the hottest in San Diego?
What is the temperature in April in San Diego?
What is the average humidity in April in San Diego?
How much does it rain in San Diego in April?
What is the average length of the day in April in San Diego?
When are sunrise and sunset in April in San Diego?
How long on average sun shines in April in San Diego?
What is the month with the highest UV index in San Diego?
What is the month with the lowest UV index in San Diego?
What is the UV index reading in April in San Diego?
Average temperature in April
San Diego, Costa Rica
- Average high temperature in April: 25.3°C
The warmest month (with the highest average high temperature) is April (25.3°C).
The month with the lowest average high temperature is October (22.2°C).
- Average low temperature in April: 15.8°C
The month with the highest average low temperature is May (16.9°C).
The coldest month (with the lowest average low temperature) is January (13.7°C).
Average pressure in April
San Diego, Costa Rica
- Average pressure in April: 1011.6mbar
The month with the highest atmospheric pressure is January (1012.4mbar).
The month with the lowest atmospheric pressure is October (1010.9mbar).
Average wind speed in April
San Diego, Costa Rica
- Average wind speed in April: 5.9km/h
The windiest month (with the highest average wind speed) is February (8.6km/h).
The calmest month (with the lowest average wind speed) is September (3.7km/h).
Average humidity in April
San Diego, Costa Rica
- Average humidity in April: 79%
The month with the highest relative humidity is October (90%).
The month with the lowest relative humidity is February (76%).
Average rainfall in April
San Diego, Costa Rica
- Average rainfall in April: 103mm
The wettest month (with the highest rainfall) is October (444mm).
The driest month (with the least rainfall) is February (33mm).
Average rainfall days in April
San Diego, Costa Rica
- Average rainfall days in April: 22.9 days
The month with the highest number of rainy days is October (30.5 days).
The month with the least rainy days is February (14.9 days).
Average daylight in April /
Average sunshine in April
San Diego, 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 6min).
The month with the least sunshine is October (Average sunshine: 6h and 30min).
Average sunshine days in April
San Diego, Costa Rica
- Average sunshine days in April: 5.6 days
The month with the most sunshine days is February (10.4 days).
The month with the least sunshine days is October (0.1 days).
Average UV index in April
San Diego, 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 Diego, Costa Rica
- Average cloud cover in April: 42
The month with the most cloud cover is October (Cloud cover 61).
The month with the least cloud cover is February (Cloud cover 31).
Average visibility in April
San Diego, 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 September and October (6km).
San Diego, Costa Rica
Weather forecast for your location
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