April weather forecast and climate
Clearlake Oaks, CA

Weather in April

April in Clearlake Oaks, California, is an enjoyable spring month, with average temperature fluctuating between 43.2°F (6.2°C) and 66°F (18.9°C).

Temperature

In Clearlake Oaks, California, the average high-temperature in April marginally rises, from a mild 58.6°F (14.8°C) in March, to an enjoyable 66°F (18.9°C). The average low-temperature, in April, is 43.2°F (6.2°C).

Humidity

In April, the average relative humidity in Clearlake Oaks is 66%.

Rainfall

In Clearlake Oaks, during April, the rain falls for 8.9 days and regularly aggregates up to 0.91" (23mm) of precipitation. Throughout the year, there are 79.8 rainfall days, and 17.44" (443mm) of precipitation is accumulated.

Snowfall

In Clearlake Oaks, California, snow does not fall in April through October.

Daylight

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

Sunshine

The average sunshine is 9.7h.

UV index

In April, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 4 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. 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.
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FAQ

What is the temperature in April in Clearlake Oaks?

In April, the average high-temperature is 66°F (18.9°C), and the average low-temperature is 43.2°F (6.2°C).

What is the average humidity in April in Clearlake Oaks?

In April, the average relative humidity in Clearlake Oaks is 66%.

How much does it rain in Clearlake Oaks in April?

In Clearlake Oaks, California, in April, during 8.9 rainfall days, 0.91" (23mm) of precipitation is typically accumulated.

Does it snow in Clearlake Oaks in April?

In April, it doesn't snow. March is the latest month when it typically snows.

When it does not snow in Clearlake Oaks?

In Clearlake Oaks, California, snow does not fall in April through October.

What is the average length of the day in April in Clearlake Oaks?

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

How long on average sun shines in April in Clearlake Oaks?

In April, the average sunshine is 9.7h.

What is the UV index intensity in April in Clearlake Oaks?

In April, the average daily maximum UV index in Clearlake Oaks is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to the Sun's UV rays.

Average temperature in April
Clearlake Oaks, CA

Average temperature in April - Clearlake Oaks, CA
  • Average high temperature in April: 66°F

The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is December (52.7°F).

  • Average low temperature in April: 43.2°F

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is December (38.1°F).

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Average pressure in April
Clearlake Oaks, CA

Average pressure in April - Clearlake Oaks, CA
  • Average pressure in April: 30.03"

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

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Average wind speed in April
Clearlake Oaks, CA

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

The windiest month (with the highest average wind speed) is April (5.7mph).
The calmest month (with the lowest average wind speed) is November (4.3mph).

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Average humidity in April
Clearlake Oaks, CA

Average humidity in April - Clearlake Oaks, CA
  • Average humidity in April: 66%

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (44%).

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Average rainfall in April
Clearlake Oaks, CA

Average rainfall in April - Clearlake Oaks, CA
  • Average rainfall in April: 0.91"

The wettest month (with the highest rainfall) is February (3.7").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in April
Clearlake Oaks, CA

Average rainfall days in April - Clearlake Oaks, CA
  • Average rainfall days in April: 8.9 days

The month with the highest number of rainy days is March (13.9 days).
Months with the least rainy days are July and August (1.1 days).

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Average snowfall in April
Clearlake Oaks, CA

Average snowfall in April - Clearlake Oaks, CA
  • Average snowfall in April: 0"

The month with the highest snowfall is February (0.51").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in April
Clearlake Oaks, CA

Average snowfall days in April - Clearlake Oaks, CA
  • Average snowfall days in April: 0 days

The month with the highest number of snowfall days is February (0.9 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in April /
Average sunshine in April
Clearlake Oaks, CA

Average daylight in April / Average sunshine in April - Clearlake Oaks, 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: 9.5h).

  • Average sunshine in April: 9.7h

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 5.3h).

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Average sunshine days in April
Clearlake Oaks, CA

Average sunshine days in April - Clearlake Oaks, CA
  • Average sunshine days in April: 20.1 days

The month with the most sunshine days is July (29.4 days).
The month with the least sunshine days is March (15.8 days).

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Average UV index in April
Clearlake Oaks, CA

Average UV index in April - Clearlake Oaks, CA
  • Average UV index in April: 4

The month with the highest UV index is July (UV index 7).
Months with the lowest UV index are November and December (UV index 2).

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Average cloud cover in April
Clearlake Oaks, CA

Average cloud cover in April - Clearlake Oaks, CA
  • Average cloud cover in April: 32

The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in April
Clearlake Oaks, CA

Average visibility in April - Clearlake Oaks, 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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