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
Shifting into April, San Anselmo records an average high-temperature of a still refreshing 62.8°F (17.1°C), presenting minor fluctuations compared to the previous month. San Anselmo's nights in April experience an average temperature drop to a frosty 48.6°F (9.2°C).Humidity
In San Anselmo, the average relative humidity in April is 74%.Rainfall
In San Anselmo, in April, it is raining for 5.5 days, with typically 0.2" (5mm) of accumulated precipitation. Throughout the year, in San Anselmo, there are 48 rainfall days, and 3.94" (100mm) of precipitation is accumulated.Daylight
In April, the average length of the day in San Anselmo is 13h and 13min.On the first day of the month, sunrise is at 6:53 am and sunset at 7:33 pm. On the last day of April, in San Anselmo, sunrise is at 6:14 am and sunset at 8:00 pm PDT.
Sunshine
In San Anselmo, California, the average sunshine in April is 10h.UV index
The months with the highest UV index in San Anselmo are April, June through September, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In April, the maximum UV index of 5 suggests these recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
What is the usual temperature for San Anselmo in April?
What is the average humidity in April in San Anselmo?
How much does it rain in San Anselmo in April?
What is the average length of the day in April in San Anselmo?
What time are sunrise and sunset in April in San Anselmo?
How long on average sun shines in April in San Anselmo?
What are the months with the highest UV index in San Anselmo?
What is the UV index reading in April in San Anselmo?
Average temperature in April
San Anselmo, CA
- Average high temperature in April: 62.8°F
The warmest month (with the highest average high temperature) is September (72.3°F).
The month with the lowest average high temperature is December (55.4°F).
- Average low temperature in April: 48.6°F
The month with the highest average low temperature is September (56.1°F).
The coldest month (with the lowest average low temperature) is December (45.3°F).
Average pressure in April
San Anselmo, CA
- Average pressure in April: 30.03"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in April
San Anselmo, CA
- Average wind speed in April: 7.6mph
The windiest month (with the highest average wind speed) is May (7.8mph).
The calmest months (with the lowest average wind speed) are October and November (5.5mph).
Average humidity in April
San Anselmo, CA
- Average humidity in April: 74%
The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is October (68%).
Average rainfall in April
San Anselmo, CA
- Average rainfall in April: 0.2"
The wettest month (with the highest rainfall) is February (0.87").
The driest months (with the least rainfall) are June, July, August and September (0.04").
Average rainfall days in April
San Anselmo, CA
- Average rainfall days in April: 5.5 days
The month with the highest number of rainy days is March (8.8 days).
The months with the least rainy days are June and August (1.2 days).
Average daylight in April /
Average sunshine in April
San Anselmo, CA
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in April: 10h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in April
San Anselmo, CA
- Average sunshine days in April: 23.3 days
The month with the most sunshine days is June (26.4 days).
The month with the least sunshine days is March (20.7 days).
Average UV index in April
San Anselmo, CA
- Average UV index in April: 5
The months with the highest UV index are April, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in April
San Anselmo, CA
- Average cloud cover in April: 30
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 19).
Average visibility in April
San Anselmo, CA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
San Anselmo, California, USA
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