April weather forecastWest Covina, CA
April
Weather in April
As the fourth month of the year sets in, the temperature range is from 73°F (22.8°C) to 51.3°F (10.7°C), indicating a milder climate in West Covina. The introduction of even more sunshine hours coupled with fewer rainfall days indicates that West Covina is transitioning into the drier months of spring and prepares for the approaching summer season. The rising temperatures during the day and the moderate nights make April an optimal time to witness the full bloom of spring. As the humidity decreases slightly from March, the weather contributes to the pleasantness of the month. As the countdown to summer begins, April ushers in the last stages of spring, paving the way for May's impending warmth.Temperature
The transition from March to April in West Covina sees an average high-temperature of a still agreeable 73°F (22.8°C), indicating a minor variance from the prior month. West Covina's April nights represent a significant downturn from the day's heat, with an average temperature of 51.3°F (10.7°C).Humidity
In April, the average relative humidity in West Covina is 54%.Rainfall
In West Covina, California, during April, the rain falls for 5.7 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, there are 49.8 rainfall days, and 7.76" (197mm) of precipitation is accumulated.Snowfall
January through November are months without snowfall in West Covina.Daylight
The average length of the day in April in West Covina is 13h and 4min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:12 pm. On the last day of April, sunrise is at 6:02 am and sunset at 7:35 pm PDT.
Sunshine
The average sunshine in April in West Covina, California, is 11.3h.UV index
In April, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 5 in April interprets into the following advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. When the Sun is at its strongest around midday, find shade and limit exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
West Covina, CA
- Average high temperature in April: 73°F
The warmest month (with the highest average high temperature) is August (88.9°F).
The month with the lowest average high temperature is December (63.5°F).
- Average low temperature in April: 51.3°F
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is December (47.3°F).
Average pressure in April
West Covina, CA
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in April
West Covina, CA
- Average wind speed in April: 5.7mph
The windiest months (with the highest average wind speed) are April and May (5.7mph).
The calmest months (with the lowest average wind speed) are September and October (4.5mph).
Average humidity in April
West Covina, CA
- Average humidity in April: 54%
The months with the highest relative humidity are May and June (57%).
The month with the lowest relative humidity is November (46%).
Average rainfall in April
West Covina, CA
- Average rainfall in April: 0.63"
The wettest month (with the highest rainfall) is December (1.73").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in April
West Covina, CA
- Average rainfall days in April: 5.7 days
The month with the highest number of rainy days is March (6.8 days).
The month with the least rainy days is June (1.3 days).
Average snowfall days in April
West Covina, CA
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in April /
Average sunshine in April
West Covina, CA
- Average daylight in April: 13h and 6min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in April: 11h and 18min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 54min).
Average sunshine days in April
West Covina, CA
- Average sunshine days in April: 23.2 days
The month with the most sunshine days is June (28 days).
The month with the least sunshine days is February (21.6 days).
Average UV index in April
West Covina, CA
- Average UV index in April: 5
The month with the highest UV index is August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in April
West Covina, CA
- Average cloud cover in April: 17
The month with the most cloud cover is December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in April
West Covina, 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).
