March weather forecast
South Santa Rosa, CA

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Weather in March

The first month of the spring, March, is still a refreshing month in South Santa Rosa, California, with an average temperature varying between 44.1°F (6.7°C) and 60.4°F (15.8°C).

Temperature

As March unfolds, the average high-temperature reaches a still refreshing 60.4°F (15.8°C), hinting at a slight fluctuation from the previous month. An average nighttime temperature of 44.1°F (6.7°C) is observed during March.

Humidity

With an average relative humidity of 77%, March is the most humid month.

Rainfall

In South Santa Rosa, during March, the rain falls for 8.7 days and regularly aggregates up to 0.55" (14mm) of precipitation. In South Santa Rosa, during the entire year, the rain falls for 44.3 days and collects up to 3.78" (96mm) of precipitation.

Daylight

The average length of the day in March is 11h and 59min.
On the first day of the month, sunrise is at 6:41 am and sunset at 6:04 pm PST. On the last day of March, sunrise is at 6:55 am and sunset at 7:33 pm PDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from PDT to PST.

Sunshine

In March, the average sunshine in South Santa Rosa is 7.5h.

UV index

In South Santa Rosa, the average daily maximum UV index in March is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 4 during March translates into the following directions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are March temperatures?

In South Santa Rosa, in March, the average high-temperature is 60.4°F (15.8°C), and the average low-temperature is 44.1°F (6.7°C).

What is the most humid month?

March is the most humid month, with an average relative humidity of 77%.

What is the average humidity in March?

In South Santa Rosa, the average relative humidity in March is 77%.

How many days does it rain in March?

In South Santa Rosa, during March, the rain falls for 8.7 days and regularly aggregates up to 0.55" (14mm) of precipitation.

What is the average length of the day in March?

In March, the average day length is 11h and 59min.

What time are sunrise and sunset in March?

On the first day of March, sunrise is at 6:41 am and sunset at 6:04 pm PST. On the last day of the month, sunrise is at 6:55 am and sunset at 7:33 pm PDT.

When does Daylight Saving Time (DST) start in March?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How long on average sun shines in March in South Santa Rosa?

In South Santa Rosa, the average sunshine duration in March is 7.5h.

What is the UV index reading in March?

In March, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
South Santa Rosa, CA

Average temperature in March - South Santa Rosa, CA
  • Average high temperature in March: 60.4°F

The warmest months (with the highest average high temperature) are July and August (79.9°F).
The month with the lowest average high temperature is December (55.6°F).

  • Average low temperature in March: 44.1°F

The months with the highest average low temperature are August and September (55°F).
The coldest month (with the lowest average low temperature) is December (42.4°F).

Average pressure in March
South Santa Rosa, CA

Average pressure in March - South Santa Rosa, CA
  • Average pressure in March: 30.07"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).

Average wind speed in March
South Santa Rosa, CA

Average wind speed in March - South Santa Rosa, CA
  • Average wind speed in March: 6.2mph

The windiest month (with the highest average wind speed) is May (6.8mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).

Average humidity in March
South Santa Rosa, CA

Average humidity in March - South Santa Rosa, CA
  • Average humidity in March: 77%

The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is September (62%).

Average rainfall in March
South Santa Rosa, CA

Average rainfall in March - South Santa Rosa, CA
  • Average rainfall in March: 0.55"

The wettest month (with the highest rainfall) is February (0.91").
The driest months (with the least rainfall) are June, July, August and September (0.04").

Average rainfall days in March
South Santa Rosa, CA

Average rainfall days in March - South Santa Rosa, CA
  • Average rainfall days in March: 8.7 days

The month with the highest number of rainy days is March (8.7 days).
The month with the least rainy days is August (0.5 days).

Average daylight in March /
Average sunshine in March
South Santa Rosa, CA

Average daylight in March / Average sunshine in March - South Santa Rosa, CA
  • Average daylight in March: 12h and 0min

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 March: 7h and 3min

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).

Average sunshine days in March
South Santa Rosa, CA

Average sunshine days in March - South Santa Rosa, CA
  • Average sunshine days in March: 20.8 days

The month with the most sunshine days is June (27.7 days).
The month with the least sunshine days is March (20.8 days).

Average UV index in March
South Santa Rosa, CA

Average UV index in March - South Santa Rosa, CA
  • Average UV index in March: 4

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).

Average cloud cover in March
South Santa Rosa, CA

Average cloud cover in March - South Santa Rosa, CA
  • Average cloud cover in March: 38

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 9).

Average visibility in March
South Santa Rosa, CA

Average visibility in March - South Santa Rosa, CA
  • Average visibility in March: 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).

South Santa Rosa, California, USA

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