April weather forecast and climate
Callahan, CA

Weather in April

April is a fresh spring month in Callahan, California, with average temperature varying between 54.7°F (12.6°C) and 33.1°F (0.6°C).

Temperature

In April, the average high-temperature slightly increases, from a frosty 46.9°F (8.3°C) in March, to a cool 54.7°F (12.6°C). In Callahan, the average low-temperature is 33.1°F (0.6°C).

Humidity

The average relative humidity in April is 72%.

Rainfall

In Callahan, it is raining for 14.1 days, with typically 2.24" (57mm) of accumulated precipitation. Throughout the year, there are 107.9 rainfall days, and 24.76" (629mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. In Callahan, snow falls for 4.7 days, with typically accumulated 4.21" (107mm) of snow. Throughout the year, in Callahan, there are 47.5 snowfall days, and 57.4" (1458mm) of snow is accumulated.

Daylight

The average length of the day in April is 13.4h.

Sunshine

In April, the average sunshine in Callahan is 10.1h.

UV index

The average daily maximum UV index in Callahan, California, is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 3 in April interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in April in Callahan?

In April, in Callahan, California, the average high-temperature is 54.7°F (12.6°C), and the average low-temperature is 33.1°F (0.6°C).

What is the average humidity in April in Callahan?

In April, the average relative humidity is 72%.

How many days does it rain in April in Callahan?

In Callahan, California, in April, it is raining for 14.1 days, with typically 2.24" (57mm) of accumulated precipitation.

How much does it snow in Callahan in April?

In April, it is snowing for 4.7 days. Throughout April, 4.21" (107mm) of snow is accumulated.

How many hours of daylight does Callahan have in April?

The average length of the day in April in Callahan is 13.4h.

How many hours of sunshine does Callahan have in April?

In Callahan, the average sunshine in April is 10.1h.

What is the UV index reading in April in Callahan?

In Callahan, California, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to the UV radiation.

Average temperature in April
Callahan, CA

Average temperature in April - Callahan, CA
  • Average high temperature in April: 54.7°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is December (41°F).

  • Average low temperature in April: 33.1°F

The month with the highest average low temperature is July (51.1°F).
The coldest month (with the lowest average low temperature) is December (27.1°F).

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Average pressure in April
Callahan, CA

Average pressure in April - Callahan, CA
  • Average pressure in April: 30.04"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is August (29.94").

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Average wind speed in April
Callahan, CA

Average wind speed in April - Callahan, CA
  • Average wind speed in April: 5.7mph

The windiest month (with the highest average wind speed) is March (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

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Average humidity in April
Callahan, CA

Average humidity in April - Callahan, CA
  • Average humidity in April: 72%

The month with the highest relative humidity is March (81%).
The month with the lowest relative humidity is August (45%).

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Average rainfall in April
Callahan, CA

Average rainfall in April - Callahan, CA
  • Average rainfall in April: 2.24"

The wettest month (with the highest rainfall) is March (4.17").
The driest months (with the least rainfall) are July and August (0.31").

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Average rainfall days in April
Callahan, CA

Average rainfall days in April - Callahan, CA
  • Average rainfall days in April: 14.1 days

The month with the highest number of rainy days is March (14.6 days).
The month with the least rainy days is August (3.1 days).

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Average snowfall in April
Callahan, CA

Average snowfall in April - Callahan, CA
  • Average snowfall in April: 4.21"

The month with the highest snowfall is March (14.02").
Months with the least snowfall are June, July and August (0").

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Average snowfall days in April
Callahan, CA

Average snowfall days in April - Callahan, CA
  • Average snowfall days in April: 4.7 days

The month with the highest number of snowfall days is March (11.2 days).
Months with the least snowfall days are June, July and August (0 days).

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

Average daylight in April / Average sunshine in April - Callahan, CA
  • Average daylight in April: 13.4h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.2h).

  • 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: 5.4h).

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Average sunshine days in April
Callahan, CA

Average sunshine days in April - Callahan, CA
  • Average sunshine days in April: 11.8 days

The month with the most sunshine days is August (24.1 days).
The month with the least sunshine days is March (10.9 days).

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Average UV index in April
Callahan, CA

Average UV index in April - Callahan, CA
  • Average UV index in April: 3

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in April
Callahan, CA

Average cloud cover in April - Callahan, CA
  • Average cloud cover in April: 35

The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 7).

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Average visibility in April
Callahan, CA

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

Months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
Months with the lowest visibility are January, February, March and December (5mi).

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