March weather forecast
Sonoma, CA

Neat rows of vines in a vineyard farm in Sonoma, California
Neat rows of vines in a vineyard farm in Sonoma, California

Weather in March

March, the first month of the spring, in Sonoma, is an enjoyable month, with temperature in the range of an average high of 61.3°F (16.3°C) and an average low of 43°F (6.1°C).

Temperature

In March, the average high-temperature is almost the same as in February - an enjoyable 61.3°F (16.3°C). In Sonoma, the average low-temperature is 43°F (6.1°C).

Humidity

With an average relative humidity of 76%, March is the most humid month.

Rainfall

In March, the rain falls for 13.4 days. Throughout March, 2.48" (63mm) of precipitation is accumulated. Throughout the year, there are 73.3 rainfall days, and 15.47" (393mm) of precipitation is accumulated.

Daylight

In March, the average length of the day in Sonoma is 12h.

Sunshine

In March, the average sunshine in Sonoma is 7.4h.

UV index

In March, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 4 in March interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 most humid month in Sonoma?

With an average relative humidity of 76%, March is the most humid month in Sonoma, California.

What is the average humidity in March in Sonoma?

In March, the average relative humidity in Sonoma is 76%.

How many days does it rain in March in Sonoma?

In Sonoma, in March, it is raining for 13.4 days, with typically 2.48" (63mm) of accumulated precipitation.

What is the average length of the day in March in Sonoma?

In Sonoma, the average length of the day in March is 12h.

How long on average sun shines in March in Sonoma?

In Sonoma, California, the average sunshine in March is 7.4h.

What is the UV index reading in March in Sonoma?

In March, the average daily maximum UV index in Sonoma, California, is 4. 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 March
Sonoma, CA

Average temperature in March - Sonoma, CA
  • Average high temperature in March: 16.3°C

The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is December (12.8°C).

  • Average low temperature in March: 6.1°C

The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is December (5.2°C).

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Average pressure in March
Sonoma, CA

Average pressure in March - Sonoma, CA
  • Average pressure in March: 1018.2mbar

The month with the highest atmospheric pressure is January (1020.4mbar).
The month with the lowest atmospheric pressure is June (1013mbar).

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Average wind speed in March
Sonoma, CA

Average wind speed in March - Sonoma, CA
  • Average wind speed in March: 9.1km/h

The windiest month (with the highest average wind speed) is May (10km/h).
The calmest month (with the lowest average wind speed) is November (7.1km/h).

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Average humidity in March
Sonoma, CA

Average humidity in March - Sonoma, CA
  • Average humidity in March: 76%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (59%).

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Average rainfall in March
Sonoma, CA

Average rainfall in March - Sonoma, CA
  • Average rainfall in March: 63mm

The wettest month (with the highest rainfall) is February (87mm).
The driest months (with the least rainfall) are July and August (1mm).

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Average rainfall days in March
Sonoma, CA

Average rainfall days in March - Sonoma, CA
  • Average rainfall days in March: 13.4 days

The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is August (0.8 days).

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Average daylight in March /
Average sunshine in March
Sonoma, CA

Average daylight in March / Average sunshine in March - Sonoma, CA
  • Average daylight in March: 12h

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 March: 7.4h

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 5.6h).

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Average sunshine days in March
Sonoma, CA

Average sunshine days in March - Sonoma, CA
  • Average sunshine days in March: 16.1 days

The month with the most sunshine days is July (28.7 days).
The month with the least sunshine days is March (16.1 days).

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Average UV index in March
Sonoma, CA

Average UV index in March - Sonoma, CA
  • Average UV index in March: 4

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 3).

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Average cloud cover in March
Sonoma, CA

Average cloud cover in March - Sonoma, CA
  • Average cloud cover in March: 40

The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 8).

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Average visibility in March
Sonoma, CA

Average visibility in March - Sonoma, CA
  • Average visibility in March: 9km

Months with the highest visibility are June, July and September (10km).
Months with the lowest visibility are January, February, March, April, May, August, October, November and December (9km).

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