April weather forecast
Thermalito, CA

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Weather in April

April in Thermalito, California, is a pleasant spring month, with an average temperature ranging between min 47.7°F (8.7°C) and max 68.9°F (20.5°C).

Temperature

The shift from March to April sees a slight increase in the average high-temperature, transitioning from a comfortable 61.3°F (16.3°C) to a pleasant 68.9°F (20.5°C). In the month of April, Thermalito witnesses a consistent average low-temperature of 47.7°F (8.7°C).

Humidity

In Thermalito, the average relative humidity in April is 62%.

Rainfall

In Thermalito, during April, the rain falls for 9.4 days and regularly aggregates up to 1.5" (38mm) of precipitation. In Thermalito, during the entire year, the rain falls for 80.4 days and collects up to 24.21" (615mm) of precipitation.

Snowfall

In Thermalito, California, snow does not fall in January through November.

Daylight

In Thermalito, the average length of the day in April is 13h and 17min.
On the first day of the month, sunrise is at 6:49 am and sunset at 7:30 pm. On the last day of April, sunrise is at 6:07 am and sunset at 7:59 pm PDT.

Sunshine

The average sunshine in April is 10.2h.

UV index

The average daily maximum UV index in April is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: A maximum high UV index of 5 in April translates into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Jun 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in April?

The high-temperature in Thermalito during April is 68.9°F (20.5°C) and the low-temperature is 47.7°F (8.7°C).

What is the average humidity in April?

In Thermalito, California, the average relative humidity in April is 62%.

How much does it rain in April?

In April, the rain falls for 9.4 days. Throughout April, 1.5" (38mm) of precipitation is accumulated.

When it does not snow?

In Thermalito, snow does not fall in January through November.

How many hours of daylight does Thermalito have in April?

In Thermalito, the average day length in April is 13h and 17min.

When is the sunrise / sunset in April?

In April, on the first day of the month, sunrise is at 6:49 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 7:59 pm PDT.

How long on average sun shines in April?

The average sunshine duration in April is 10.2h.

How high is the UV index in April?

The average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Thermalito, CA

Average temperature in April - Thermalito, CA
  • Average high temperature in April: 68.9°F

The warmest month (with the highest average high temperature) is July (95.9°F).
The month with the lowest average high temperature is December (54.5°F).

  • Average low temperature in April: 47.7°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is December (40.6°F).

Average pressure in April
Thermalito, CA

Average pressure in April - Thermalito, CA
  • Average pressure in April: 30.01"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in April
Thermalito, CA

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

The windiest month (with the highest average wind speed) is March (6.3mph).
The calmest months (with the lowest average wind speed) are August and November (5.2mph).

Average humidity in April
Thermalito, CA

Average humidity in April - Thermalito, CA
  • Average humidity in April: 62%

The month with the highest relative humidity is March (72%).
The month with the lowest relative humidity is July (33%).

Average rainfall in April
Thermalito, CA

Average rainfall in April - Thermalito, CA
  • Average rainfall in April: 1.5"

The wettest month (with the highest rainfall) is March (4.61").
The driest month (with the least rainfall) is July (0.04").

Average rainfall days in April
Thermalito, CA

Average rainfall days in April - Thermalito, CA
  • Average rainfall days in April: 9.4 days

The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is July (1.3 days).

Average snowfall days in April
Thermalito, CA

Average snowfall days in April - Thermalito, CA
  • Average snowfall days in April: 0 days

The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in April / Average sunshine in April - Thermalito, CA
  • Average daylight in April: 13h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in April: 10h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

Average sunshine days in April
Thermalito, CA

Average sunshine days in April - Thermalito, CA
  • Average sunshine days in April: 19.1 days

The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is March (15.5 days).

Average UV index in April
Thermalito, CA

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

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in April
Thermalito, CA

Average cloud cover in April - Thermalito, CA
  • Average cloud cover in April: 27

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 4).

Average visibility in April
Thermalito, CA

Average visibility in April - Thermalito, 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).

Thermalito, California, USA

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