April weather forecast
Sebastopol, CA

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Weather in April

April is a comfortable spring month in Sebastopol, California, with an average temperature ranging between max 64.9°F (18.3°C) and min 45.5°F (7.5°C).

Temperature

Sebastopol, California, experiences an average high-temperature of a comfortable 64.9°F (18.3°C) in April, marking an insignificant shift from 60.4°F (15.8°C) in March. In the month of April, the temperature generally rests at an average low of 45.5°F (7.5°C).

Humidity

In April, the average relative humidity is 72%.

Rainfall

In Sebastopol, during April, the rain falls for 7 days and regularly aggregates up to 0.55" (14mm) of precipitation. Throughout the year, in Sebastopol, there are 72.8 rainfall days, and 12.01" (305mm) of precipitation is accumulated.

Daylight

In Sebastopol, California, the average length of the day in April is 13h and 14min.
On the first day of April, sunrise is at 6:54 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:02 pm PDT.

Sunshine

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

UV index

In April, the average daily maximum UV index in Sebastopol is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 5 in April converts into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
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Frequently asked questions

What is the average April temperature in Sebastopol?

Sebastopol in April has an average high-temperature of 64.9°F (18.3°C) and an average low-temperature of 45.5°F (7.5°C).

What is the average humidity in April in Sebastopol?

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

How much does it rain in Sebastopol in April?

In Sebastopol, during April, the rain falls for 7 days and regularly aggregates up to 0.55" (14mm) of precipitation.

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

The average day length in April in Sebastopol, California, is 13h and 14min.

What time are sunrise and sunset in April in Sebastopol?

On the first day of April in Sebastopol, California, sunrise is at 6:54 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:02 pm PDT.

How long on average sun shines in April in Sebastopol?

In Sebastopol, the average sunshine duration in April is 10.1h.

How high is the UV index in April in Sebastopol?

In Sebastopol, the average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Sebastopol, CA

Average temperature in April - Sebastopol, CA
  • Average high temperature in April: 64.9°F

The warmest month (with the highest average high temperature) is August (79.7°F).
The month with the lowest average high temperature is December (55.6°F).

  • Average low temperature in April: 45.5°F

The months with the highest average low temperature are August and September (54.7°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).

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Average pressure in April
Sebastopol, CA

Average pressure in April - Sebastopol, CA
  • Average pressure in April: 30.03"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

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Average wind speed in April
Sebastopol, CA

Average wind speed in April - Sebastopol, CA
  • Average wind speed in April: 7mph

The windiest month (with the highest average wind speed) is May (7.1mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).

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Average humidity in April
Sebastopol, CA

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

The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is September (63%).

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Average rainfall in April
Sebastopol, CA

Average rainfall in April - Sebastopol, CA
  • Average rainfall in April: 0.55"

The wettest month (with the highest rainfall) is February (2.64").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in April
Sebastopol, CA

Average rainfall days in April - Sebastopol, CA
  • Average rainfall days in April: 7 days

The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is August (0.8 days).

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

Average daylight in April / Average sunshine in April - Sebastopol, CA
  • Average daylight in April: 13h and 1min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in April: 10h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in April
Sebastopol, CA

Average sunshine days in April - Sebastopol, CA
  • Average sunshine days in April: 21.8 days

The month with the most sunshine days is July (27.2 days).
The month with the least sunshine days is March (17.1 days).

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Average UV index in April
Sebastopol, CA

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

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in April
Sebastopol, CA

Average cloud cover in April - Sebastopol, CA
  • Average cloud cover in April: 29

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 9).

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Average visibility in April
Sebastopol, CA

Average visibility in April - Sebastopol, 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).

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Sebastopol, California, USA

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