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
The start of April in Sonoma brings a subtle rise in the average high-temperature, moving from 61.3°F (16.3°C) in March to a still enjoyable 66.7°F (19.3°C). Sonoma anticipates a considerable drop in temperature at night in April, with an average low of 45°F (7.2°C).Humidity
The average relative humidity in April is 71%.Rainfall
In April, the rain falls for 7.8 days. Throughout April, 0.75" (19mm) of precipitation is accumulated. In Sonoma, during the entire year, the rain falls for 73.3 days and collects up to 15.47" (393mm) of precipitation.Daylight
In April, the average length of the day in Sonoma is 13h and 14min.On the first day of April, sunrise is at 6:53 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:00 pm PDT.
Sunshine
In April, the average sunshine is 10h.UV index
In Sonoma, the average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 5 during April translates into the following guidance:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the average humidity in April?
How much does it rain in April?
How many hours of daylight does Sonoma have in April?
What time are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index intensity in April?
Average temperature in April
Sonoma, CA
- Average high temperature in April: 66.7°F
The warmest month (with the highest average high temperature) is August (82.9°F).
The month with the lowest average high temperature is December (55°F).
- Average low temperature in April: 45°F
The month with the highest average low temperature is August (54.9°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).
Average pressure in April
Sonoma, CA
- Average pressure in April: 30.03"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Sonoma, CA
- Average wind speed in April: 6mph
The windiest month (with the highest average wind speed) is May (6.2mph).
The calmest month (with the lowest average wind speed) is November (4.4mph).
Average humidity in April
Sonoma, CA
- Average humidity in April: 71%
The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (59%).
Average rainfall in April
Sonoma, CA
- Average rainfall in April: 0.75"
The wettest month (with the highest rainfall) is February (3.43").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in April
Sonoma, CA
- Average rainfall days in April: 7.8 days
The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is August (0.8 days).
Average daylight in April /
Average sunshine in April
Sonoma, 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: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in April
Sonoma, CA
- Average sunshine days in April: 21.3 days
The month with the most sunshine days is July (28.7 days).
The month with the least sunshine days is March (16.1 days).
Average UV index in April
Sonoma, CA
- Average UV index in April: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in April
Sonoma, CA
- Average cloud cover in April: 30
The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in April
Sonoma, 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).
Sonoma, California, USA
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