April weather forecastStonyford, CA
April
Weather in April
April is a refreshing spring month in Stonyford, California, with temperature in the range of an average low of 45.9°F (7.7°C) and an average high of 67.6°F (19.8°C).Temperature
Stonyford in April observes a minor temperature shift, with average high-temperatures adjusting from a mild 60.4°F (15.8°C) in March to a comfortable 67.6°F (19.8°C). Stonyford observes a dramatic plunge from daytime highs in April, settling at an average low-temperature of 45.9°F (7.7°C).Humidity
In Stonyford, the average relative humidity in April is 60%.Rainfall
In Stonyford, in April, during 8.6 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, there are 71.4 rainfall days, and 14.02" (356mm) of precipitation is accumulated.Daylight
The average length of the day in April is 13h and 16min.On the first day of April, sunrise is at 6:52 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:03 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 reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The UV index of 5 during April leads to these advisories:
Undertake protective steps - Recommendations to avoid sunburn are issued. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Stonyford, CA
- Average high temperature in April: 67.6°F
The warmest month (with the highest average high temperature) is July (95.4°F).
The month with the lowest average high temperature is December (52.7°F).
- Average low temperature in April: 45.9°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is December (39.4°F).
Average pressure in April
Stonyford, CA
- Average pressure in April: 30.02"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June, July and August (29.91"Hg).
Average wind speed in April
Stonyford, CA
- Average wind speed in April: 6mph
The windiest month (with the highest average wind speed) is March (6.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in April
Stonyford, CA
- Average humidity in April: 60%
The month with the highest relative humidity is March (69%).
The months with the lowest relative humidity are July, August and September (35%).
Average rainfall in April
Stonyford, CA
- Average rainfall in April: 0.83"
The wettest month (with the highest rainfall) is February (2.68").
The driest month (with the least rainfall) is July (0.04").
Average rainfall days in April
Stonyford, CA
- Average rainfall days in April: 8.6 days
The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is July (1 days).
Average daylight in April /
Average sunshine in April
Stonyford, CA
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 10h and 12min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in April
Stonyford, CA
- Average sunshine days in April: 19.8 days
The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (17 days).
Average UV index in April
Stonyford, CA
- Average UV index in April: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in April
Stonyford, CA
- Average cloud cover in April: 28
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in April
Stonyford, 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).





