April weather forecast and climate
Thermal, CA

Weather in April

April is a warm spring month in Thermal, California, with average temperature varying between 75.9°F (24.4°C) and 55.4°F (13°C).

Temperature

In Thermal, California, the average high-temperature in April marginally rises, from a pleasant 69.8°F (21°C) in March, to a warm 75.9°F (24.4°C). In April, in Thermal, California, the average low-temperature is 55.4°F (13°C).

Humidity

The average relative humidity in April is 36%.

Rainfall

In April, in Thermal, the rain falls for 4.2 days. Throughout April, 0.24" (6mm) of precipitation is accumulated. Throughout the year, there are 46.2 rainfall days, and 4.09" (104mm) of precipitation is accumulated.

Daylight

In April, the average length of the day in Thermal is 13.1h.

Sunshine

The average sunshine in Thermal is 11.7h.

UV index

The average daily maximum UV index in Thermal is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 6 in April interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in April in Thermal?

The average high-temperature, in April, is 75.9°F (24.4°C), while the average low-temperature is 55.4°F (13°C).

What is the average humidity in April in Thermal?

In Thermal, California, the average relative humidity in April is 36%.

How many days does it rain in April in Thermal?

In Thermal, California, in April, during 4.2 rainfall days, 0.24" (6mm) of precipitation is typically accumulated.

What is the average length of the day in April in Thermal?

In April, the average length of the day in Thermal, California, is 13.1h.

How many hours of sunshine does Thermal have in April?

The average sunshine in April in Thermal is 11.7h.

What is the UV index reading in April in Thermal?

The average daily maximum UV index in April in Thermal, California, is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV radiation.

Average temperature in April
Thermal, CA

Average temperature in April - Thermal, CA
  • Average high temperature in April: 75.9°F

The warmest month (with the highest average high temperature) is July (95.4°F).
The month with the lowest average high temperature is December (60.6°F).

  • Average low temperature in April: 55.4°F

The month with the highest average low temperature is August (76.3°F).
The coldest month (with the lowest average low temperature) is December (46.8°F).

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Average pressure in April
Thermal, CA

Average pressure in April - Thermal, CA
  • Average pressure in April: 29.9"

The month with the highest atmospheric pressure is January (30.09").
The month with the lowest atmospheric pressure is June (29.8").

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Average wind speed in April
Thermal, CA

Average wind speed in April - Thermal, CA
  • Average wind speed in April: 8.1mph

The windiest month (with the highest average wind speed) is May (8.2mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).

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Average humidity in April
Thermal, CA

Average humidity in April - Thermal, CA
  • Average humidity in April: 36%

The month with the highest relative humidity is December (46%).
The month with the lowest relative humidity is June (29%).

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Average rainfall in April
Thermal, CA

Average rainfall in April - Thermal, CA
  • Average rainfall in April: 0.24"

The wettest month (with the highest rainfall) is July (0.79").
The driest months (with the least rainfall) are May and June (0.12").

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Average rainfall days in April
Thermal, CA

Average rainfall days in April - Thermal, CA
  • Average rainfall days in April: 4.2 days

The month with the highest number of rainy days is July (6.9 days).
The month with the least rainy days is June (1.5 days).

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

Average daylight in April / Average sunshine in April - Thermal, CA
  • Average daylight in April: 13.1h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in April: 11.7h

The month with the most sunshine is June (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 7.1h).

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Average sunshine days in April
Thermal, CA

Average sunshine days in April - Thermal, CA
  • Average sunshine days in April: 25.8 days

The month with the most sunshine days is October (27.4 days).
The month with the least sunshine days is July (19.4 days).

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Average UV index in April
Thermal, CA

Average UV index in April - Thermal, CA
  • Average UV index in April: 6

The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in April
Thermal, CA

Average cloud cover in April - Thermal, CA
  • Average cloud cover in April: 11

The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 4).

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Average visibility in April
Thermal, CA

Average visibility in April - Thermal, 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).

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