April weather forecast
Calpine, CA

Weather in April

April is a fresh spring month in Calpine, California, with temperature in the range of an average low of 29.7°F (-1.3°C) and an average high of 51.4°F (10.8°C).

Temperature

In April, the average high-temperature slightly increases, from a frosty 43.2°F (6.2°C) in March, to a fresh 51.4°F (10.8°C). In April, the average low-temperature is 29.7°F (-1.3°C).

Humidity

In Calpine, the average relative humidity in April is 72%.

Rainfall

In Calpine, during April, the rain falls for 10.6 days and regularly aggregates up to 1.97" (50mm) of precipitation. Throughout the year, in Calpine, there are 80.1 rainfall days, and 22.95" (583mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Calpine are January through June, September through December. In Calpine, during April, snow falls for 8.1 days and regularly aggregates up to 8.58" (218mm) of snow. In Calpine, during the entire year, snow falls for 69.3 days, and aggregates up to 103.5" (2629mm) of snow.

Daylight

In April, the average length of the day is 13.3h.

Sunshine

In Calpine, the average sunshine in April is 9.6h.

UV index

The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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 average humidity in April in Calpine?

In Calpine, the average relative humidity in April is 72%.

How much does it rain in Calpine in April?

In Calpine, during April, the rain falls for 10.6 days and regularly aggregates up to 1.97" (50mm) of precipitation.

How many days does it snow in April in Calpine?

In Calpine, California, in April, snow falls for 8.1 days, with typically accumulated 8.58" (218mm) of snow.

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

In Calpine, the average length of the day in April is 13.3h.

How long on average sun shines in April in Calpine?

In April, the average sunshine in Calpine, California, is 9.6h.

What is the UV index reading in April in Calpine?

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

Average temperature in April
Calpine, CA

Average temperature in April - Calpine, CA
  • Average high temperature in April: 51.4°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (37.2°F).

  • Average low temperature in April: 29.7°F

The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is December (21.6°F).

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Average pressure in April
Calpine, CA

Average pressure in April - Calpine, CA
  • Average pressure in April: 30"

The month with the highest atmospheric pressure is January (30.19").
The month with the lowest atmospheric pressure is June (29.9").

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Average wind speed in April
Calpine, CA

Average wind speed in April - Calpine, CA
  • Average wind speed in April: 6.4mph

The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest months (with the lowest average wind speed) are August and September (5.2mph).

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Average humidity in April
Calpine, CA

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

Months with the highest relative humidity are January and March (81%).
Months with the lowest relative humidity are July and August (40%).

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Average rainfall in April
Calpine, CA

Average rainfall in April - Calpine, CA
  • Average rainfall in April: 1.97"

The wettest month (with the highest rainfall) is March (4.02").
The driest month (with the least rainfall) is August (0.2").

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Average rainfall days in April
Calpine, CA

Average rainfall days in April - Calpine, CA
  • Average rainfall days in April: 10.6 days

The month with the highest number of rainy days is May (11.8 days).
The month with the least rainy days is July (3.3 days).

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Average snowfall in April
Calpine, CA

Average snowfall in April - Calpine, CA
  • Average snowfall in April: 8.58"

The month with the highest snowfall is December (22.52").
Months with the least snowfall are July and August (0").

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Average snowfall days in April
Calpine, CA

Average snowfall days in April - Calpine, CA
  • Average snowfall days in April: 8.1 days

The month with the highest number of snowfall days is March (14.7 days).
Months with the least snowfall days are July and August (0 days).

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

Average daylight in April / Average sunshine in April - Calpine, CA
  • Average daylight in April: 13.3h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in April: 9.6h

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is January (Average sunshine: 5h).

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Average sunshine days in April
Calpine, CA

Average sunshine days in April - Calpine, CA
  • Average sunshine days in April: 13.3 days

The month with the most sunshine days is August (26 days).
The month with the least sunshine days is March (11.8 days).

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Average UV index in April
Calpine, CA

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

Months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is November (UV index 1).

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Average cloud cover in April
Calpine, CA

Average cloud cover in April - Calpine, CA
  • Average cloud cover in April: 38

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 7).

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Average visibility in April
Calpine, CA

Average visibility in April - Calpine, CA
  • Average visibility in April: 5mi

Months with the highest visibility are May, June, July, August, September, October and November (6mi).
Months with the lowest visibility are January and December (4mi).

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