April weather forecastSouth Whittier, CA
April
Weather in April
April, the same as March, in South Whittier, California, is an agreeable spring month, with an average temperature fluctuating between 54.1°F (12.3°C) and 72.3°F (22.4°C).Temperature
With the advent of April, South Whittier's high-temperatures adjust to a still pleasant 72.3°F (22.4°C), closely aligning with the preceding month. In the month of April, South Whittier's average low-temperature falls to a fresh 54.1°F (12.3°C).Humidity
In South Whittier, the average relative humidity in April is 57%.Rainfall
In April, the rain falls for 3.5 days. Throughout April, 0.2" (5mm) of precipitation is accumulated. In South Whittier, during the entire year, the rain falls for 27.3 days and collects up to 1.97" (50mm) of precipitation.Daylight
In South Whittier, California, the average length of the day in April is 13h and 4min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:13 pm. On the last day of April, sunrise is at 6:03 am and sunset at 7:35 pm PDT.
Sunshine
The average sunshine in April in South Whittier is 10.9h.UV index
In April, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In April, the UV index of 5 transforms into the following advice:
Heed the precautions - It is counselled to guard against solar damage. It's recommended to limit sun exposure when its radiation is at its peak during midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
South Whittier, CA
- Average high temperature in April: 72.3°F
The warmest month (with the highest average high temperature) is August (85.6°F).
The month with the lowest average high temperature is December (64.8°F).
- Average low temperature in April: 54.1°F
The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (49.8°F).
Average pressure in April
South Whittier, CA
- Average pressure in April: 29.97"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
South Whittier, CA
- Average wind speed in April: 6mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest months (with the lowest average wind speed) are September and October (4.7mph).
Average humidity in April
South Whittier, CA
- Average humidity in April: 57%
The month with the highest relative humidity is June (63%).
The month with the lowest relative humidity is November (48%).
Average rainfall in April
South Whittier, CA
- Average rainfall in April: 0.2"
The wettest month (with the highest rainfall) is December (0.47").
The driest month (with the least rainfall) is June (0").
Average rainfall days in April
South Whittier, CA
- Average rainfall days in April: 3.5 days
The month with the highest number of rainy days is March (4.6 days).
The month with the least rainy days is June (0.5 days).
Average daylight in April /
Average sunshine in April
South Whittier, 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: 10h and 54min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).
Average sunshine days in April
South Whittier, CA
- Average sunshine days in April: 26.7 days
The month with the most sunshine days is June (29.3 days).
The month with the least sunshine days is February (23.8 days).
Average UV index in April
South Whittier, 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 February, November and December (UV index 4).
Average cloud cover in April
South Whittier, CA
- Average cloud cover in April: 19
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in April
South Whittier, 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).





