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
As Arcata, California, transitions into April, the average high-temperature stands at a moderate 56.5°F (13.6°C), offering little variation from the preceding month. April nights in Arcata cool down to an average low-temperature of 44.1°F (6.7°C).Humidity
In Arcata, the average relative humidity in April is 80%.Rainfall
In April, the rain falls for 12.8 days. Throughout April, 2.32" (59mm) of precipitation is accumulated. Throughout the year, in Arcata, there are 114.7 rainfall days, and 29.37" (746mm) of precipitation is accumulated.Snowfall
In Arcata, snow does not fall in January, March through December.Daylight
In April, the average length of the day is 13h and 20min.On the first day of the month, sunrise is at 6:58 am and sunset at 7:41 pm. On the last day of April, in Arcata, sunrise is at 6:14 am and sunset at 8:12 pm PDT.
Sunshine
In Arcata, the average sunshine in April is 9h.UV index
The average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In April, a daily maximum UV index of 4 leads to the following instructions:
Be vigilant - Preventing sunburn is recommended. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Arcata?
What is the average humidity in April in Arcata?
How much does it rain in Arcata in April?
When it does not snow in Arcata?
What is the average length of the day in April in Arcata?
When is the sunrise / sunset in April in Arcata?
How many hours of sunshine does Arcata have in April?
What is the UV index intensity in April in Arcata?
Average temperature in April
Arcata, CA
- Average high temperature in April: 56.5°F
The warmest month (with the highest average high temperature) is August (69.6°F).
The month with the lowest average high temperature is December (52.7°F).
- Average low temperature in April: 44.1°F
The month with the highest average low temperature is August (52.3°F).
The coldest month (with the lowest average low temperature) is February (41.9°F).
Average pressure in April
Arcata, CA
- Average pressure in April: 30.07"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in April
Arcata, CA
- Average wind speed in April: 8mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in April
Arcata, CA
- Average humidity in April: 80%
The month with the highest relative humidity is March (82%).
The month with the lowest relative humidity is October (75%).
Average rainfall in April
Arcata, CA
- Average rainfall in April: 2.32"
The wettest month (with the highest rainfall) is December (5.31").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in April
Arcata, CA
- Average rainfall days in April: 12.8 days
The month with the highest number of rainy days is March (17.5 days).
The month with the least rainy days is August (2.1 days).
Average snowfall in April
Arcata, CA
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.39").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in April
Arcata, CA
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in April /
Average sunshine in April
Arcata, CA
- Average daylight in April: 13h and 2min
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 18min).
- Average sunshine in April: 9h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in April
Arcata, CA
- Average sunshine days in April: 15.8 days
The month with the most sunshine days is July (28.3 days).
The month with the least sunshine days is March (12.1 days).
Average UV index in April
Arcata, CA
- Average UV index in April: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in April
Arcata, CA
- Average cloud cover in April: 40
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in April
Arcata, CA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Arcata, California, USA
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