April weather forecastEtna, CA
April
Weather in April
April is a cool spring month in Etna, California, with an average temperature ranging between max 55°F (12.8°C) and min 33.6°F (0.9°C).Temperature
Etna's April weather indicates a minor increase in high-temperatures, edging from March's chilly 47.8°F (8.8°C) to a cool 55°F (12.8°C). During April, the average low-temperature is a wintry 33.6°F (0.9°C).Humidity
The average relative humidity in April is 73%.Rainfall
In Etna, during April, the rain falls for 14.4 days and regularly aggregates up to 1.42" (36mm) of precipitation. In Etna, during the entire year, the rain falls for 116 days and collects up to 17.8" (452mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 2.4 snowfall days, in April, Etna aggregates 0.75" (19mm) of snow. In Etna, during the entire year, snow falls for 30.9 days and aggregates up to 20.47" (520mm) of snow.Daylight
In Etna, the average length of the day in April is 13h and 22min.On the first day of the month, sunrise is at 6:52 am and sunset at 7:37 pm. On the last day of April, sunrise is at 6:08 am and sunset at 8:08 pm PDT.
Sunshine
The average sunshine in April is 10.1h.UV index
In Etna, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In April, a daily UV index of 3 turns into the following recommendations:
Act with care - The need to guard against sun damage is communicated. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Etna, CA
- Average high temperature in April: 55°F
The warmest months (with the highest average high temperature) are July and August (84.2°F).
The month with the lowest average high temperature is December (41.5°F).
- Average low temperature in April: 33.6°F
The month with the highest average low temperature is August (50.2°F).
The coldest month (with the lowest average low temperature) is December (26.6°F).
Average pressure in April
Etna, CA
- Average pressure in April: 30.05"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in April
Etna, CA
- Average wind speed in April: 5.2mph
The windiest month (with the highest average wind speed) is March (5.4mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in April
Etna, CA
- Average humidity in April: 73%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (52%).
Average rainfall in April
Etna, CA
- Average rainfall in April: 1.42"
The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in April
Etna, CA
- Average rainfall days in April: 14.4 days
The month with the highest number of rainy days is March (16.7 days).
The month with the least rainy days is July (3.2 days).
Average snowfall in April
Etna, CA
- Average snowfall in April: 0.75"
The month with the highest snowfall is February (5.39").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Etna, CA
- Average snowfall days in April: 2.4 days
The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Etna, CA
- Average daylight in April: 13h and 24min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 10h and 6min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 5h and 42min).
Average sunshine days in April
Etna, CA
- Average sunshine days in April: 13.1 days
The month with the most sunshine days is August (25.7 days).
The month with the least sunshine days is March (11 days).
Average UV index in April
Etna, CA
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in April
Etna, CA
- Average cloud cover in April: 37
The months with the most cloud cover are March and December (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in April
Etna, CA
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, November and December (5mi).
