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
The onset of April brings an average high-temperature of a moderate 56.5°F (13.6°C), nearly matching the March temperature. In the month of April, the average temperature dips to a frosty 44.1°F (6.7°C) during the night.Humidity
In Humboldt Hill, California, 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. In Humboldt Hill, during the entire year, the rain falls for 114.7 days and collects up to 29.37" (746mm) of precipitation.Snowfall
January, March through December are months without snowfall.Daylight
In Humboldt Hill, the average length of the day in April 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 Humboldt Hill, the average sunshine in April is 9h.UV index
The average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 4 during April translates into the following guidance:
Undertake protective steps - Preventing sun damage is advised. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. 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 the temperatures in April?
What is the average humidity in April?
How much does it rain in April?
When it does not snow?
How many hours of daylight does Humboldt Hill have in April?
When is the sunrise / sunset in April?
How long on average sun shines in April?
What is the UV index intensity in April?
Average temperature in April
Humboldt Hill, 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
Humboldt Hill, 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
Humboldt Hill, 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
Humboldt Hill, 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
Humboldt Hill, 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
Humboldt Hill, 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
Humboldt Hill, 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
Humboldt Hill, 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
Humboldt Hill, CA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
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
Humboldt Hill, 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
Humboldt Hill, 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
Humboldt Hill, 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
Humboldt Hill, 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).
Humboldt Hill, California, USA
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