Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
San Diego sees the arrival of August with an average high-temperature of a moderately hot 23°C (73.4°F), indicating a subtle variation from July. Throughout the month of August, the nighttime temperature in San Diego dips to an average of 16.3°C (61.3°F).Humidity
In San Diego, the average relative humidity in August is 88%.Rainfall
In San Diego, in August, it is raining for 29.8 days, with typically 307mm (12.09") of accumulated precipitation. Throughout the year, there are 305 rainfall days, and 2534mm (99.76") of precipitation is accumulated.Daylight
In August, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 05:25 and sunset at 17:58. On the last day of August, in San Diego, sunrise is at 05:26 and sunset at 17:45 CST.
Sunshine
The average sunshine in August is 7.3h.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 are January through December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 5 in August transforms into this advice:
Exercise prevention - Protecting skin and eyes from harm is required. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What is the average August temperature in San Diego?
What is the average humidity in August in San Diego?
How much does it rain in San Diego in August?
What is the average length of the day in August in San Diego?
When is the sunrise / sunset in August in San Diego?
How long on average sun shines in August in San Diego?
What are the months with the highest UV index in San Diego?
When is the lowest UV index in San Diego?
How high is the UV index in August in San Diego?
Average temperature in August
San Diego, Costa Rica
- Average high temperature in August: 23°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 August: 16.3°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 August
San Diego, Costa Rica
- Average pressure in August: 1011.4mbar
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 August
San Diego, Costa Rica
- Average wind speed in August: 4.7km/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 August
San Diego, Costa Rica
- Average humidity in August: 88%
The month with the highest relative humidity is October (90%).
The month with the lowest relative humidity is February (76%).
Average rainfall in August
San Diego, Costa Rica
- Average rainfall in August: 307mm
The wettest month (with the highest rainfall) is October (444mm).
The driest month (with the least rainfall) is February (33mm).
Average rainfall days in August
San Diego, Costa Rica
- Average rainfall days in August: 29.8 days
The month with the highest number of rainy days is October (30.5 days).
The month with the least rainy days is February (14.9 days).
Average daylight in August /
Average sunshine in August
San Diego, Costa Rica
- Average daylight in August: 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 August: 7h and 2min
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 August
San Diego, Costa Rica
- Average sunshine days in August: 0.4 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 August
San Diego, Costa Rica
- Average UV index in August: 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 August
San Diego, Costa Rica
- Average cloud cover in August: 55
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 August
San Diego, Costa Rica
- Average visibility in August: 7km
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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