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 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 start of April signals a slight increase in the average high-temperature, moving from a refreshing 61.3°F (16.3°C) in March to a still enjoyable 66.7°F (19.3°C). In stark contrast to the day's heat, the temperature dips to an average of 45°F (7.2°C) during April nights.Humidity
In April, the average relative humidity is 71%.Rainfall
In Vineburg, in April, it is raining for 7.8 days, with typically 0.75" (19mm) of accumulated precipitation. Throughout the year, there are 73.3 rainfall days, and 15.47" (393mm) of precipitation is accumulated.Daylight
In April, the average length of the day is 13h and 14min.On the first day of the month, sunrise is at 6:53 am and sunset at 7:33 pm. On the last day of April, sunrise is at 6:13 am and sunset at 8:00 pm PDT.
Sunshine
In Vineburg, the average sunshine in April is 10h.UV index
In Vineburg, the average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum UV index of 5 in April translates into the following recommendations:
Take precautions - Protection against sun damage is advised. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April?
How many days does it rain in April?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How long on average sun shines in April?
What is the UV index reading in April?
Average temperature in April
Vineburg, CA
- Average high temperature in April: 66.7°F
The warmest month (with the highest average high temperature) is August (82.9°F).
The month with the lowest average high temperature is December (55°F).
- Average low temperature in April: 45°F
The month with the highest average low temperature is August (54.9°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).
Average pressure in April
Vineburg, CA
- Average pressure in April: 30.03"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Vineburg, CA
- Average wind speed in April: 6mph
The windiest month (with the highest average wind speed) is May (6.2mph).
The calmest month (with the lowest average wind speed) is November (4.4mph).
Average humidity in April
Vineburg, CA
- Average humidity in April: 71%
The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (59%).
Average rainfall in April
Vineburg, CA
- Average rainfall in April: 0.75"
The wettest month (with the highest rainfall) is February (3.43").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in April
Vineburg, CA
- Average rainfall days in April: 7.8 days
The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is August (0.8 days).
Average daylight in April /
Average sunshine in April
Vineburg, CA
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in April: 10h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in April
Vineburg, CA
- Average sunshine days in April: 21.3 days
The month with the most sunshine days is July (28.7 days).
The month with the least sunshine days is March (16.1 days).
Average UV index in April
Vineburg, CA
- Average UV index in April: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in April
Vineburg, CA
- Average cloud cover in April: 30
The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in April
Vineburg, 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).
Vineburg, California, USA
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