March weather forecast
San Anselmo, CA

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Weather in March

March heralds the onset of Spring, noticing a marginal rise in temperatures to a balmy average of 59.4°F (15.2°C). Despite an increase in daylight to 12 hours, the cloud cover intensifies to 39%, resulting in slightly overcast days. Wind activity graces San Anselmo with mild gusts, making for refreshing weather scenarios. However, with 0.59" (15mm) of rainfall spread over 8.8 days, it emerges as one of the wetter months of the year, reflected in the hike to 77% relative humidity.

Temperature

With the onset of March, the average high-temperature registers at a still refreshing 59.4°F (15.2°C), subtly different from February's 57.9°F (14.4°C). An average low-temperature of 46.9°F (8.3°C) is anticipated throughout the nights during March.

Humidity

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

Rainfall

In San Anselmo, in March, during 8.8 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. Throughout the year, there are 48 rainfall days, and 3.94" (100mm) of precipitation is accumulated.

Daylight

In March, the average length of the day is 11h and 59min.
On the first day of the month, sunrise is at 6:40 am and sunset at 6:04 pm PST. On the last day of March, in San Anselmo, sunrise is at 6:55 am and sunset at 7:32 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 San Anselmo, the average sunshine in March is 7.5h.

UV index

In San Anselmo, the average daily maximum UV index in March is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: In March, the maximum UV index of 4 suggests these recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Updated: Jun 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in March?

In San Anselmo, in March, the average high-temperature is 59.4°F (15.2°C), and the average low-temperature is 46.9°F (8.3°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 San Anselmo, the average relative humidity in March is 77%.

How much does it rain in March?

In San Anselmo, in March, it is raining for 8.8 days, with typically 0.59" (15mm) of accumulated precipitation.

How many hours of daylight does San Anselmo have in March?

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

When is the sunrise / sunset in March?

In March, on the first day of the month, sunrise is at 6:40 am and sunset at 6:04 pm PST. On the last day of the month, sunrise is at 6:55 am and sunset at 7:32 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 many hours of sunshine does San Anselmo have in March?

The average sunshine duration in March is 7.5h.

What is the UV index reading in March?

In San Anselmo, the average daily maximum UV index in March is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
San Anselmo, CA

Average temperature in March - San Anselmo, CA
  • Average high temperature in March: 59.4°F

The warmest month (with the highest average high temperature) is September (72.3°F).
The month with the lowest average high temperature is December (55.4°F).

  • Average low temperature in March: 46.9°F

The month with the highest average low temperature is September (56.1°F).
The coldest month (with the lowest average low temperature) is December (45.3°F).

Average pressure in March
San Anselmo, CA

Average pressure in March - San Anselmo, 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
San Anselmo, CA

Average wind speed in March - San Anselmo, CA
  • Average wind speed in March: 7.3mph

The windiest month (with the highest average wind speed) is May (7.8mph).
The calmest months (with the lowest average wind speed) are October and November (5.5mph).

Average humidity in March
San Anselmo, CA

Average humidity in March - San Anselmo, CA
  • Average humidity in March: 77%

The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is October (68%).

Average rainfall in March
San Anselmo, CA

Average rainfall in March - San Anselmo, CA
  • Average rainfall in March: 0.59"

The wettest month (with the highest rainfall) is February (0.87").
The driest months (with the least rainfall) are June, July, August and September (0.04").

Average rainfall days in March
San Anselmo, CA

Average rainfall days in March - San Anselmo, CA
  • Average rainfall days in March: 8.8 days

The month with the highest number of rainy days is March (8.8 days).
The months with the least rainy days are June and August (1.2 days).

Average daylight in March /
Average sunshine in March
San Anselmo, CA

Average daylight in March / Average sunshine in March - San Anselmo, 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 36min).

  • Average sunshine in March: 7h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in March
San Anselmo, CA

Average sunshine days in March - San Anselmo, CA
  • Average sunshine days in March: 20.7 days

The month with the most sunshine days is June (26.4 days).
The month with the least sunshine days is March (20.7 days).

Average UV index in March
San Anselmo, CA

Average UV index in March - San Anselmo, CA
  • Average UV index in March: 4

The months with the highest UV index are April, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in March
San Anselmo, CA

Average cloud cover in March - San Anselmo, CA
  • Average cloud cover in March: 39

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 19).

Average visibility in March
San Anselmo, CA

Average visibility in March - San Anselmo, 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).

San Anselmo, California, USA

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