Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
July's beginning in San Francisco, Costa Rica, signals an average high-temperature of a still warm 26.3°C (79.3°F), identical to June. San Francisco experiences an average nighttime temperature of 18.9°C (66°F) in the month of July.Humidity
In San Francisco, the average relative humidity in July is 86%.Rainfall
In July, the rain falls for 28.3 days. Throughout July, 249mm (9.8") of precipitation is accumulated. In San Francisco, during the entire year, the rain falls for 272 days and collects up to 2217mm (87.28") of precipitation.Daylight
In San Francisco, the average length of the day in July is 12h and 38min.On the first day of July in San Francisco, sunrise is at 05:19 and sunset at 18:01. On the last day of the month, sunrise is at 05:25 and sunset at 17:59 CST.
Sunshine
The average sunshine in July in San Francisco is 8.6h.UV index
The months with the highest UV index in San Francisco are January through April, June, July, September, October and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 6 in July interprets into the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What is the temperature in July in San Francisco?
What is the average humidity in July in San Francisco?
How much does it rain in San Francisco in July?
How many hours of daylight does San Francisco have in July?
When are sunrise and sunset in July in San Francisco?
How long on average sun shines in July in San Francisco?
What is the month with the highest UV index in San Francisco?
How high is the UV index in July in San Francisco?
Average temperature in July
San Francisco, Costa Rica
- Average high temperature in July: 26.3°C
The warmest months (with the highest average high temperature) are March and April (29.7°C).
The month with the lowest average high temperature is October (25.4°C).
- Average low temperature in July: 18.9°C
The month with the highest average low temperature is May (19.8°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).
Average pressure in July
San Francisco, Costa Rica
- Average pressure in July: 1011.3mbar
The month with the highest atmospheric pressure is January (1012.1mbar).
The month with the lowest atmospheric pressure is October (1010.7mbar).
Average wind speed in July
San Francisco, Costa Rica
- Average wind speed in July: 6km/h
The windiest month (with the highest average wind speed) is February (10.6km/h).
The calmest month (with the lowest average wind speed) is September (3.8km/h).
Average humidity in July
San Francisco, Costa Rica
- Average humidity in July: 86%
The month with the highest relative humidity is October (89%).
The month with the lowest relative humidity is March (70%).
Average rainfall in July
San Francisco, Costa Rica
- Average rainfall in July: 249mm
The wettest month (with the highest rainfall) is October (396mm).
The driest month (with the least rainfall) is February (17mm).
Average rainfall days in July
San Francisco, Costa Rica
- Average rainfall days in July: 28.3 days
The month with the highest number of rainy days is October (30.2 days).
The month with the least rainy days is February (10.3 days).
Average daylight in July /
Average sunshine in July
San Francisco, Costa Rica
- Average daylight in July: 12h 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 36min).
- Average sunshine in July: 8h and 4min
The month with the most sunshine is March (Average sunshine: 9h and 24min).
The month with the least sunshine is October (Average sunshine: 7h and 0min).
Average sunshine days in July
San Francisco, Costa Rica
- Average sunshine days in July: 2.2 days
The month with the most sunshine days is January (16.7 days).
The month with the least sunshine days is September (0.5 days).
Average UV index in July
San Francisco, Costa Rica
- Average UV index in July: 6
The months with the highest UV index are January, February, March, April, June, July, September, October and December (UV index 6).
The months with the lowest UV index are May, August and November (UV index 5).
Average cloud cover in July
San Francisco, Costa Rica
- Average cloud cover in July: 51
The month with the most cloud cover is October (Cloud cover 54).
The month with the least cloud cover is February (Cloud cover 19).
Average visibility in July
San Francisco, Costa Rica
- Average visibility in July: 8km
The months with the highest visibility are February and March (10km).
The months with the lowest visibility are August, September, October and November (7km).
San Francisco, Costa Rica
Weather forecast for your location
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