April weather forecastCotati, CA
April
Weather in April
April is an enjoyable spring month in Cotati, California, with an average temperature varying between 45.5°F (7.5°C) and 64.9°F (18.3°C).Temperature
In April, Cotati notes an average high-temperature of a comfortable 64.9°F (18.3°C), hardly different from the preceding month. Throughout April, Cotati witnesses a consistent average low-temperature of 45.5°F (7.5°C).Humidity
In April, the average relative humidity is 72%.Rainfall
In Cotati, during April, the rain falls for 4.8 days and regularly aggregates up to 0.16" (4mm) of precipitation. In Cotati, during the entire year, the rain falls for 44.3 days and collects up to 3.78" (96mm) of precipitation.Daylight
In April, the average length of the day is 13h and 14min.On the first day of the month, sunrise is at 6:54 am and sunset at 7:34 pm. On the last day of April, sunrise is at 6:14 am and sunset at 8:01 pm PDT.
Sunshine
The average sunshine in April is 10.2h.UV index
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 the ordinary person.Note: In April, a daily maximum UV index of 5 leads to the following instructions:
Guard yourself - Precautionary measures against sun damage are advocated. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Cotati, CA
- Average high temperature in April: 64.9°F
The warmest months (with the highest average high temperature) are July and August (79.9°F).
The month with the lowest average high temperature is December (55.6°F).
- Average low temperature in April: 45.5°F
The months with the highest average low temperature are August and September (55°F).
The coldest month (with the lowest average low temperature) is December (42.4°F).
Average pressure in April
Cotati, 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
Cotati, CA
- Average wind speed in April: 6.7mph
The windiest month (with the highest average wind speed) is May (6.8mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).
Average humidity in April
Cotati, CA
- Average humidity in April: 72%
The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is September (62%).
Average rainfall in April
Cotati, CA
- Average rainfall in April: 0.16"
The wettest month (with the highest rainfall) is February (0.91").
The driest months (with the least rainfall) are June, July, August and September (0.04").
Average rainfall days in April
Cotati, CA
- Average rainfall days in April: 4.8 days
The month with the highest number of rainy days is March (8.7 days).
The month with the least rainy days is August (0.5 days).
Average daylight in April /
Average sunshine in April
Cotati, CA
- Average daylight in April: 13h and 12min
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 30min).
- Average sunshine in April: 10h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in April
Cotati, CA
- Average sunshine days in April: 24 days
The month with the most sunshine days is June (27.7 days).
The month with the least sunshine days is March (20.8 days).
Average UV index in April
Cotati, CA
- Average UV index in April: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in April
Cotati, CA
- Average cloud cover in April: 29
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in April
Cotati, 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).





