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 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
Shifting into April, Etiwanda records an average high-temperature of a still pleasant 72.9°F (22.7°C), presenting minor fluctuations compared to the previous month. During April, Etiwanda detects a significant contrast from its daytime temperatures, with nights averaging at a fresh 50.5°F (10.3°C).Humidity
The average relative humidity in April is 51%.Rainfall
In Etiwanda, during April, the rain falls for 5.4 days and regularly aggregates up to 0.47" (12mm) of precipitation. Throughout the year, in Etiwanda, there are 42.3 rainfall days, and 4.53" (115mm) of precipitation is accumulated.Snowfall
January, March through December are months without snowfall.Daylight
The average length of the day in April in Etiwanda is 13h and 4min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:11 pm. On the last day of April, sunrise is at 6:00 am and sunset at 7:33 pm PDT.
Sunshine
In April, the average sunshine is 11.4h.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 unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 5 during April translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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 many days does it rain in April?
When it does not snow?
What is the average length of the day in April?
When are sunrise and sunset in April?
How many hours of sunshine does Etiwanda have in April?
What is the UV index intensity in April?
Average temperature in April
Etiwanda, CA
- Average high temperature in April: 72.9°F
The warmest month (with the highest average high temperature) is August (91.8°F).
The month with the lowest average high temperature is December (61.7°F).
- Average low temperature in April: 50.5°F
The month with the highest average low temperature is August (66.6°F).
The coldest months (with the lowest average low temperature) are February and December (45.3°F).
Average pressure in April
Etiwanda, CA
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in April
Etiwanda, CA
- Average wind speed in April: 5.8mph
The windiest month (with the highest average wind speed) is May (5.9mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).
Average humidity in April
Etiwanda, CA
- Average humidity in April: 51%
The months with the highest relative humidity are February, March and May (53%).
The month with the lowest relative humidity is August (41%).
Average rainfall in April
Etiwanda, CA
- Average rainfall in April: 0.47"
The wettest month (with the highest rainfall) is February (0.98").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in April
Etiwanda, CA
- Average rainfall days in April: 5.4 days
The month with the highest number of rainy days is March (6.3 days).
The month with the least rainy days is June (0.9 days).
Average snowfall days in April
Etiwanda, CA
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (0.1 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
Etiwanda, 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 months with the least sunshine are February and December (Average sunshine: 6h and 54min).
Average sunshine days in April
Etiwanda, CA
- Average sunshine days in April: 24 days
The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is February (22.8 days).
Average UV index in April
Etiwanda, CA
- Average UV index in April: 5
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in April
Etiwanda, CA
- Average cloud cover in April: 16
The months with the most cloud cover are February and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in April
Etiwanda, 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).
Etiwanda, California, USA
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