April weather forecast and climate
Santa Rosa, CA

Set in a scenic valley, the Camarillo region of Santa Rosa, California, has great modern homes and is neared by scenic rugged mountain layouts
Set in a scenic valley, the Camarillo region of Santa Rosa, California, has great modern homes and is neared by scenic rugged mountain layouts

Weather in April

April in Santa Rosa, California, is an enjoyable spring month, with temperature in the range of an average high of 64.9°F (18.3°C) and an average low of 45.5°F (7.5°C).

Temperature

In April, the average high-temperature is practically the same as in March - a comfortable 64.9°F (18.3°C). In April, in Santa Rosa, the average low-temperature is 45.5°F (7.5°C).

Humidity

In Santa Rosa, the average relative humidity is 72%.

Rainfall

In Santa Rosa, California, it is raining for 7 days, with typically 0.55" (14mm) of accumulated precipitation. In Santa Rosa, during the entire year, the rain falls for 72.8 days and collects up to 12.01" (305mm) of precipitation.

Daylight

In April, the average length of the day is 13.2h.

Sunshine

The average sunshine in April is 10.1h.

UV index

In April, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 5 in April transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in April in Santa Rosa?

In April, the average high-temperature is 64.9°F (18.3°C), and the average low-temperature is 45.5°F (7.5°C).

What is the average humidity in April in Santa Rosa?

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

How much does it rain in Santa Rosa in April?

In Santa Rosa, in April, during 7 rainfall days, 0.55" (14mm) of precipitation is typically accumulated.

What is the average length of the day in April in Santa Rosa?

The average length of the day in April is 13.2h.

How long on average sun shines in April in Santa Rosa?

In Santa Rosa, California, the average sunshine in April is 10.1h.

What is the UV index reading in April in Santa Rosa?

The average daily maximum UV index in April is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in April
Santa Rosa, CA

Average temperature in April - Santa Rosa, 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

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
Santa Rosa, CA

Average pressure in April - Santa Rosa, CA
  • Average pressure in April: 30.03"

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

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Average wind speed in April
Santa Rosa, CA

Average wind speed in April - Santa Rosa, 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
Santa Rosa, CA

Average humidity in April - Santa Rosa, 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
Santa Rosa, CA

Average rainfall in April - Santa Rosa, 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
Santa Rosa, CA

Average rainfall days in April - Santa Rosa, 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
Santa Rosa, CA

Average daylight in April / Average sunshine in April - Santa Rosa, CA
  • Average daylight in April: 13.2h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in April: 10.1h

The month with the most sunshine is July (Average sunshine: 11.9h).
The month with the least sunshine is December (Average sunshine: 5.7h).

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Average sunshine days in April
Santa Rosa, CA

Average sunshine days in April - Santa Rosa, 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
Santa Rosa, CA

Average UV index in April - Santa Rosa, CA
  • Average UV index in April: 5

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

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Average cloud cover in April
Santa Rosa, CA

Average cloud cover in April - Santa Rosa, 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
Santa Rosa, CA

Average visibility in April - Santa Rosa, 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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