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 onset of April brings an average high-temperature of a pleasant 69.6°F (20.9°C), nearly matching the March temperature. During April, Atascadero notes a substantial drop from the daytime peak to an average minimum temperature of 46.2°F (7.9°C).Humidity
The average relative humidity in April in Atascadero, California, is 63%.Rainfall
In Atascadero, California, in April, during 6.6 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. In Atascadero, during the entire year, the rain falls for 54.8 days and collects up to 8.66" (220mm) of precipitation.Daylight
The average length of the day in April is 13h and 7min.On the first day of April, sunrise is at 6:47 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 7:48 pm PDT.
Sunshine
In April, the average sunshine is 10.7h.UV index
In Atascadero, the average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 5 in April, converts into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. 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
What are the temperatures in April?
What is the average humidity in April?
How much does it rain in April?
What is the average length of the day in April?
When are sunrise and sunset in April?
How many hours of sunshine does Atascadero have in April?
What is the UV index intensity in April?
Average temperature in April
Atascadero, CA
- Average high temperature in April: 69.6°F
The warmest month (with the highest average high temperature) is August (85.5°F).
The month with the lowest average high temperature is December (58.5°F).
- Average low temperature in April: 46.2°F
The month with the highest average low temperature is September (59.9°F).
The coldest month (with the lowest average low temperature) is December (42.8°F).
Average pressure in April
Atascadero, CA
- Average pressure in April: 30.02"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).
Average wind speed in April
Atascadero, CA
- Average wind speed in April: 5.9mph
The windiest months (with the highest average wind speed) are March and April (5.9mph).
The calmest months (with the lowest average wind speed) are August and September (4.5mph).
Average humidity in April
Atascadero, CA
- Average humidity in April: 63%
The months with the highest relative humidity are February and March (68%).
The month with the lowest relative humidity is September (50%).
Average rainfall in April
Atascadero, CA
- Average rainfall in April: 0.59"
The wettest month (with the highest rainfall) is March (1.73").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in April
Atascadero, CA
- Average rainfall days in April: 6.6 days
The month with the highest number of rainy days is March (10.2 days).
The month with the least rainy days is June (0.8 days).
Average daylight in April /
Average sunshine in April
Atascadero, CA
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in April: 10h and 4min
The months with the most sunshine are June and July (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 6h and 18min).
Average sunshine days in April
Atascadero, CA
- Average sunshine days in April: 23 days
The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is February (19.7 days).
Average UV index in April
Atascadero, CA
- Average UV index in April: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in April
Atascadero, CA
- Average cloud cover in April: 22
The month with the most cloud cover is March (Cloud cover 31).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in April
Atascadero, 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).
Atascadero, California, USA
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