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
Walnut, California, indicates an average high-temperature of a still pleasant 73.2°F (22.9°C) in April, showing minor variation from March's 69.3°F (20.7°C). Throughout April, Walnut witnesses a consistent average low-temperature of 52.2°F (11.2°C).Humidity
In April, the average relative humidity in Walnut is 54%.Rainfall
In Walnut, in April, it is raining for 5.1 days, with typically 0.55" (14mm) of accumulated precipitation. Throughout the year, there are 43.1 rainfall days, and 6.89" (175mm) of precipitation is accumulated.Daylight
In Walnut, the average length of the day in April is 13h and 4min.On the first day of April in Walnut, California, sunrise is at 6:37 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 7:34 pm PDT.
Sunshine
In April, the average sunshine is 11.3h.UV index
In Walnut, the average daily maximum UV index in April is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 5 during April translates into these guidelines:
Take precautions - Protection against skin and eye damage is obliged. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What is the usual temperature for Walnut in April?
What is the average humidity in April in Walnut?
How many days does it rain in April in Walnut?
What is the average length of the day in April in Walnut?
When are sunrise and sunset in April in Walnut?
How long on average sun shines in April in Walnut?
What is the UV index reading in April in Walnut?
Average temperature in April
Walnut, CA
- Average high temperature in April: 73.2°F
The warmest month (with the highest average high temperature) is August (89.2°F).
The month with the lowest average high temperature is December (63.7°F).
- Average low temperature in April: 52.2°F
The month with the highest average low temperature is August (66.2°F).
The coldest months (with the lowest average low temperature) are February and December (47.7°F).
Average pressure in April
Walnut, 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 (29.87"Hg).
Average wind speed in April
Walnut, 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 month (with the lowest average wind speed) is September (4.5mph).
Average humidity in April
Walnut, CA
- Average humidity in April: 54%
The months with the highest relative humidity are May and June (56%).
The month with the lowest relative humidity is November (45%).
Average rainfall in April
Walnut, CA
- Average rainfall in April: 0.55"
The wettest month (with the highest rainfall) is December (1.57").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in April
Walnut, CA
- Average rainfall days in April: 5.1 days
The month with the highest number of rainy days is March (6.6 days).
The month with the least rainy days is June (1 days).
Average daylight in April /
Average sunshine in April
Walnut, CA
- Average daylight in April: 13h and 1min
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 2min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).
Average sunshine days in April
Walnut, CA
- Average sunshine days in April: 24.1 days
The month with the most sunshine days is June (28.6 days).
The month with the least sunshine days is February (22 days).
Average UV index in April
Walnut, CA
- Average UV index in April: 5
The months with the highest UV index are July and 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
Walnut, CA
- Average cloud cover in April: 17
The months with the most cloud cover are February, March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in April
Walnut, 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).
Walnut, California, USA
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