April weather forecastPreston, CA
April
Weather in April
April is an enjoyable spring month in Preston, California, with an average temperature fluctuating between 65.1°F (18.4°C) and 42.6°F (5.9°C).Temperature
The average high-temperature mildly increases in April, edging from 59.2°F (15.1°C) in March to a still refreshing 65.1°F (18.4°C). From the heights of the April heat, Preston records a mean nighttime low of 42.6°F (5.9°C).Humidity
In Preston, California, the average relative humidity in April is 71%.Rainfall
In Preston, in April, during 8.8 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. Throughout the year, in Preston, there are 82.4 rainfall days, and 20.75" (527mm) of precipitation is accumulated.Snowfall
In Preston, California, snow does not fall in January, March through December.Daylight
In April, the average length of the day is 13h and 15min.On the first day of the month, sunrise is at 6:55 am and sunset at 7:36 pm. On the last day of April, in Preston, sunrise is at 6:14 am and sunset at 8:04 pm PDT.
Sunshine
In Preston, California, the average sunshine in April is 9.8h.UV index
In April, the average daily maximum UV index in Preston, California, is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 5 in April interprets into the following advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Preston, CA
- Average high temperature in April: 65.1°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is December (54.9°F).
- Average low temperature in April: 42.6°F
The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (38.5°F).
Average pressure in April
Preston, 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
Preston, CA
- Average wind speed in April: 6.2mph
The windiest month (with the highest average wind speed) is May (6.3mph).
The calmest month (with the lowest average wind speed) is November (4.6mph).
Average humidity in April
Preston, CA
- Average humidity in April: 71%
The month with the highest relative humidity is March (77%).
The months with the lowest relative humidity are July and September (57%).
Average rainfall in April
Preston, CA
- Average rainfall in April: 1.1"
The wettest month (with the highest rainfall) is February (4.25").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in April
Preston, CA
- Average rainfall days in April: 8.8 days
The month with the highest number of rainy days is March (14.6 days).
The months with the least rainy days are July and August (1.2 days).
Average snowfall in April
Preston, CA
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.16").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in April
Preston, CA
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in April /
Average sunshine in April
Preston, 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: 9h and 48min
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 24min).
Average sunshine days in April
Preston, CA
- Average sunshine days in April: 19.6 days
The month with the most sunshine days is July (29.4 days).
The month with the least sunshine days is March (15.2 days).
Average UV index in April
Preston, CA
- Average UV index in April: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is November (UV index 2).
Average cloud cover in April
Preston, CA
- Average cloud cover in April: 33
The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility in April
Preston, 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).
