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
April begins with an average high-temperature of a moderate 55.9°F (13.3°C), reflecting close similarity to the preceding month. During April, Eureka observes a consistent average nighttime temperature of 44.2°F (6.8°C).Humidity
In April, the average relative humidity is 80%.Rainfall
In Eureka, in April, during 8.6 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. In Eureka, during the entire year, the rain falls for 77.3 days and collects up to 8.58" (218mm) of precipitation.Snowfall
In Eureka, 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 7:42 pm. On the last day of April, sunrise is at 6:15 am and sunset at 8:12 pm PDT.
Sunshine
In Eureka, California, the average sunshine in April is 9.1h.UV index
The average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high UV index of 4 in April translates into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Frequently asked questions
What is the temperature in April in Eureka?
What is the average humidity in April in Eureka?
How much does it rain in Eureka in April?
When it does not snow in Eureka?
How many hours of daylight does Eureka have in April?
When is the sunrise / sunset in April in Eureka?
How many hours of sunshine does Eureka have in April?
How high is the UV index in April in Eureka?
Average temperature in April
Eureka, CA
- Average high temperature in April: 55.9°F
The warmest month (with the highest average high temperature) is August (68.4°F).
The months with the lowest average high temperature are February and December (52.9°F).
- Average low temperature in April: 44.2°F
The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is February (42.4°F).
Average pressure in April
Eureka, 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
Eureka, CA
- Average wind speed in April: 8.6mph
The windiest month (with the highest average wind speed) is March (9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in April
Eureka, 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 (76%).
Average rainfall in April
Eureka, CA
- Average rainfall in April: 0.71"
The wettest month (with the highest rainfall) is December (1.73").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in April
Eureka, CA
- Average rainfall days in April: 8.6 days
The month with the highest number of rainy days is March (11.2 days).
The month with the least rainy days is August (1.7 days).
Average snowfall in April
Eureka, CA
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.04").
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
Eureka, CA
- Average snowfall days in April: 0 days
The months with the highest number of snowfall days are February and December (0.1 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
Eureka, 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 1min
The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in April
Eureka, CA
- Average sunshine days in April: 20.1 days
The month with the most sunshine days is July (27.7 days).
The month with the least sunshine days is March (17.9 days).
Average UV index in April
Eureka, 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
Eureka, CA
- Average cloud cover in April: 39
The month with the most cloud cover is March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 16).
Average visibility in April
Eureka, 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).
Eureka, California, USA
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