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 snowfall in April
- Average snowfall 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
With the beginning of April, Standard's average high-temperature sees a minor increase, transitioning from a mild 56.7°F (13.7°C) in March to an enjoyable 63.1°F (17.3°C). During April, Standard records an average temperature of 41.7°F (5.4°C) at night.Humidity
The average relative humidity in April is 64%.Rainfall
In April, the rain falls for 10.5 days. Throughout April, 2.36" (60mm) of precipitation is accumulated. In Standard, during the entire year, the rain falls for 79.1 days and collects up to 27.32" (694mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.8 snowfall days, in April, Standard aggregates 1.3" (33mm) of snow. In Standard, during the entire year, snow falls for 9.6 days and aggregates up to 20.67" (525mm) of snow.Daylight
In Standard, the average length of the day in April is 13h and 13min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:24 pm. On the last day of April, sunrise is at 6:05 am and sunset at 7:51 pm PDT.
Sunshine
The average sunshine in April is 10.3h.UV index
In Standard, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 4 in April converts into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
How much does it rain in April?
What is the last month it snows?
How many hours of daylight does Standard have in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Standard have in April?
What is the UV index intensity in April?
Average temperature in April
Standard, CA
- Average high temperature in April: 63.1°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is December (51.4°F).
- Average low temperature in April: 41.7°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is December (35.1°F).
Average pressure in April
Standard, CA
- Average pressure in April: 30.01"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Standard, CA
- Average wind speed in April: 5.6mph
The windiest month (with the highest average wind speed) is February (5.8mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).
Average humidity in April
Standard, CA
- Average humidity in April: 64%
The month with the highest relative humidity is March (70%).
The months with the lowest relative humidity are July and August (33%).
Average rainfall in April
Standard, CA
- Average rainfall in April: 2.36"
The wettest month (with the highest rainfall) is March (5.31").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in April
Standard, CA
- Average rainfall days in April: 10.5 days
The month with the highest number of rainy days is March (14 days).
The month with the least rainy days is August (1.2 days).
Average snowfall in April
Standard, CA
- Average snowfall in April: 1.3"
The month with the highest snowfall is February (8.58").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Standard, CA
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is February (3.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Standard, 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 2min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in April
Standard, CA
- Average sunshine days in April: 18.3 days
The months with the most sunshine days are July and August (28.8 days).
The month with the least sunshine days is March (15.4 days).
Average UV index in April
Standard, CA
- Average UV index in April: 4
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is November (UV index 2).
Average cloud cover in April
Standard, CA
- Average cloud cover in April: 26
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in April
Standard, 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).
Standard, California, USA
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