April weather forecast and climate
Vacaville, CA

A beautiful blue water lagoon set in Vacaville, California, amid scenic greenery of trees and vast fields, hill ranges, and a walking path around the water
A beautiful blue water lagoon set in Vacaville, California, amid scenic greenery of trees and vast fields, hill ranges, and a walking path around the water

Weather in April

April is a pleasant spring month in Vacaville, California, with average temperature varying between 46.2°F (7.9°C) and 69.4°F (20.8°C).

Temperature

In Vacaville, the average high-temperature in April slightly increases, from a comfortable 62.8°F (17.1°C) in March, to an agreeable 69.4°F (20.8°C). The average low-temperature, in April, is 46.2°F (7.9°C).

Humidity

The average relative humidity in Vacaville is 68%.

Rainfall

In Vacaville, during April, the rain falls for 5.7 days and regularly aggregates up to 0.31" (8mm) of precipitation. Throughout the year, there are 47.1 rainfall days, and 4.17" (106mm) of precipitation is accumulated.

Daylight

In Vacaville, the average length of the day is 13.2h.

Sunshine

In April, the average sunshine is 10.1h.

UV index

In Vacaville, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV radiation for the average person.
Note: In April, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
[Resources]

FAQ

What is the average humidity in April in Vacaville?

In Vacaville, the average relative humidity in April is 68%.

How many days does it rain in April in Vacaville?

In Vacaville, in April, during 5.7 rainfall days, 0.31" (8mm) of precipitation is typically accumulated.

How many hours of daylight does Vacaville have in April?

In April, the average length of the day in Vacaville is 13.2h.

How many hours of sunshine does Vacaville have in April?

The average sunshine in April is 10.1h.

What is the UV index reading in April in Vacaville?

In Vacaville, California, the average daily maximum UV index in April is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV radiation.

Average temperature in April
Vacaville, CA

Average temperature in April - Vacaville, CA
  • Average high temperature in April: 69.4°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is December (54.7°F).

  • Average low temperature in April: 46.2°F

The month with the highest average low temperature is September (58.1°F).
The coldest months (with the lowest average low temperature) are January and December (41.4°F).

[Resources]

Average pressure in April
Vacaville, CA

Average pressure in April - Vacaville, CA
  • Average pressure in April: 30.02"

The month with the highest atmospheric pressure is January (30.14").
Months with the lowest atmospheric pressure are June and August (29.91").

[Resources]

Average wind speed in April
Vacaville, CA

Average wind speed in April - Vacaville, CA
  • Average wind speed in April: 6.2mph

The windiest months (with the highest average wind speed) are May and June (6.8mph).
The calmest months (with the lowest average wind speed) are January and November (4.7mph).

[Resources]

Average humidity in April
Vacaville, CA

Average humidity in April - Vacaville, CA
  • Average humidity in April: 68%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is September (48%).

[Resources]

Average rainfall in April
Vacaville, CA

Average rainfall in April - Vacaville, CA
  • Average rainfall in April: 0.31"

The wettest month (with the highest rainfall) is February (0.87").
The driest months (with the least rainfall) are July, August and September (0.04").

[Resources]

Average rainfall days in April
Vacaville, CA

Average rainfall days in April - Vacaville, CA
  • Average rainfall days in April: 5.7 days

The month with the highest number of rainy days is March (7.2 days).
The month with the least rainy days is August (1 days).

[Resources]

Average daylight in April /
Average sunshine in April
Vacaville, CA

Average daylight in April / Average sunshine in April - Vacaville, CA
  • Average daylight in April: 13.2h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in April: 10.1h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 5.7h).

[Resources]

Average sunshine days in April
Vacaville, CA

Average sunshine days in April - Vacaville, CA
  • Average sunshine days in April: 23.4 days

The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is February (21.5 days).

[Resources]

Average UV index in April
Vacaville, CA

Average UV index in April - Vacaville, CA
  • Average UV index in April: 5

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 3).

[Resources]

Average cloud cover in April
Vacaville, CA

Average cloud cover in April - Vacaville, CA
  • Average cloud cover in April: 28

Months with the most cloud cover are March and December (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 5).

[Resources]

Average visibility in April
Vacaville, CA

Average visibility in April - Vacaville, CA
  • Average visibility in April: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location