Sonoma
California, USA
Long-term weather forecast
Long-term weather forecast

March weather forecast and climate
Sonoma, CA

Neat rows of vines in a vineyard farm in Sonoma, California, the sun rays beaming through the cloudy sunset sky, and distant hilly silhouettes
Neat rows of vines in a vineyard farm in Sonoma, California, the sun rays beaming through the cloudy sunset sky, and distant hilly silhouettes
March, the first month of the spring, in Sonoma, is a comfortable month, with temperature in the range of an average low of 43°F (6.1°C) and an average high of 61.3°F (16.3°C).

Temperature

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

Humidity

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

Rainfall

In March, in Sonoma, the rain falls for 13.4 days. Throughout March, 2.48" (63mm) of precipitation is accumulated. In Sonoma, during the entire year, the rain falls for 73.3 days and collects up to 15.47" (393mm) of precipitation.

Daylight

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

Sunshine

In March, the average sunshine is 7.4h.

UV index

The average daily maximum UV index in Sonoma is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to the Sun's UV rays for average individuals.
Note: In March, the average maximum UV index of 4 translate into the following recommendations:
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. 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.

What is the temperature in March in Sonoma?

In Sonoma, in March, the average high-temperature is 61.3°F (16.3°C), and the average low-temperature is 43°F (6.1°C).

What is the most humid month in Sonoma?

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

What is the average humidity in March in Sonoma?

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

How many days does it rain in March in Sonoma?

In Sonoma, California, during March, the rain falls for 13.4 days and regularly aggregates up to 2.48" (63mm) of precipitation.

How many hours of daylight does Sonoma have in March?

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

How many hours of sunshine does Sonoma have in March?

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

What is the UV index intensity in March in Sonoma?

In Sonoma, the average daily maximum UV index in March is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.
Average temperature in March - Sonoma, CA
  • Average high temperature in March: 61.3°F

The warmest month (with the highest average high temperature) is August (82.9°F).
The month with the lowest average high temperature is December (55°F).

  • Average low temperature in March: 43°F

The month with the highest average low temperature is August (54.9°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).

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%).

Average rainfall in March - Sonoma, CA
  • Average rainfall in March: 2.48"

The wettest month (with the highest rainfall) is February (3.43").
Driest months (with the lowest rainfall) are July and August (0.04").

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 lowest number of rainy days is August (0.8 days).

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 shortest days is December (Average daylight: 9.5h).

  • Average sunshine in March: 7.4h

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

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).