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 transition from March to April brings a subtle temperature rise, with average high-temperatures increasing from a refreshing 62.8°F (17.1°C) to a pleasant 68.7°F (20.4°C). Fairfield reports a steady low-temperature average of 45.9°F (7.7°C) throughout April, revealing a large deviation from the daytime high.Humidity
In Fairfield, the average relative humidity in April is 68%.Rainfall
In Fairfield, in April, it is raining for 7.9 days, with typically 0.79" (20mm) of accumulated precipitation. Throughout the year, in Fairfield, there are 71.4 rainfall days, and 12.13" (308mm) of precipitation is accumulated.Daylight
The average length of the day in April is 13h and 13min.On the first day of April in Fairfield, sunrise is at 6:51 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 7:59 pm PDT.
Sunshine
In Fairfield, California, the average sunshine in April is 10.2h.UV index
In April, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average maximum UV index of 5 in April leads to these recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the average humidity in April?
How many days does it rain in April in Fairfield?
What is the average length of the day in April?
What time are sunrise and sunset in April in Fairfield?
How long on average sun shines in April?
What is the UV index intensity in April?
Average temperature in April
Fairfield, CA
- Average high temperature in April: 68.7°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is December (54.9°F).
- Average low temperature in April: 45.9°F
The month with the highest average low temperature is September (57.6°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in April
Fairfield, CA
- Average pressure in April: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed in April
Fairfield, CA
- Average wind speed in April: 6.3mph
The windiest months (with the highest average wind speed) are May, June and July (7mph).
The calmest months (with the lowest average wind speed) are January and November (4.5mph).
Average humidity in April
Fairfield, CA
- Average humidity in April: 68%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is September (52%).
Average rainfall in April
Fairfield, CA
- Average rainfall in April: 0.79"
The wettest month (with the highest rainfall) is February (2.4").
The driest month (with the least rainfall) is August (0").
Average rainfall days in April
Fairfield, CA
- Average rainfall days in April: 7.9 days
The month with the highest number of rainy days is March (12.9 days).
The month with the least rainy days is August (0.7 days).
Average daylight in April /
Average sunshine in April
Fairfield, 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 1min
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 42min).
Average sunshine days in April
Fairfield, CA
- Average sunshine days in April: 20.7 days
The month with the most sunshine days is August (30.2 days).
The month with the least sunshine days is March (17 days).
Average UV index in April
Fairfield, CA
- Average UV index in April: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in April
Fairfield, CA
- Average cloud cover in April: 28
The months with the most cloud cover are March and December (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in April
Fairfield, 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).
Fairfield, California, USA
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