March weather forecast
Guerneville, CA

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Weather in March

March, the first month of the spring in Guerneville, is still a refreshing month, with an average temperature fluctuating between 60.6°F (15.9°C) and 43°F (6.1°C).

Temperature

March brings a marginal elevation to a still refreshing 60.6°F (15.9°C) from February's 59.2°F (15.1°C) in Guerneville's average high-temperatures. An average minimum temperature of 43°F (6.1°C) marks the month of March.

Humidity

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

Rainfall

In Guerneville, in March, it is raining for 10.3 days, with typically 2.01" (51mm) of accumulated precipitation. Throughout the year, in Guerneville, there are 60.1 rainfall days, and 12.87" (327mm) of precipitation is accumulated.

Daylight

In March, the average length of the day in Guerneville is 11h and 59min.
On the first day of March, sunrise is at 6:42 am and sunset at 6:05 pm PST. On the last day of the month, sunrise is at 6:56 am and sunset at 7:34 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 Guerneville, California, the average sunshine in March is 7.1h.

UV index

In March, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A typical high UV index of 4 in March suggests the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

What is the temperature in March in Guerneville?

The average high-temperature, in March, in Guerneville, is 60.6°F (15.9°C), while the average low-temperature is 43°F (6.1°C).

What is the most humid month in Guerneville?

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

What is the average humidity in March in Guerneville?

In Guerneville, the average relative humidity in March is 77%.

How much does it rain in Guerneville in March?

In Guerneville, California, in March, during 10.3 rainfall days, 2.01" (51mm) of precipitation is typically accumulated.

How many hours of daylight does Guerneville have in March?

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

What time are sunrise and sunset in March in Guerneville?

On the first day of March, sunrise is at 6:42 am and sunset at 6:05 pm PST. On the last day of the month, sunrise is at 6:56 am and sunset at 7:34 pm PDT.

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

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Guerneville, 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 Guerneville have in March?

In Guerneville, California, the average sunshine duration in March is 7.1h.

What is the UV index reading in March in Guerneville?

In March, the average daily maximum UV index in Guerneville is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Guerneville, CA

Average temperature in March - Guerneville, CA
  • Average high temperature in March: 60.6°F

The warmest month (with the highest average high temperature) is August (81°F).
The month with the lowest average high temperature is December (56.3°F).

  • Average low temperature in March: 43°F

The months with the highest average low temperature are August and September (53.4°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).

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Average pressure in March
Guerneville, CA

Average pressure in March - Guerneville, CA
  • Average pressure in March: 30.06"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).

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Average wind speed in March
Guerneville, CA

Average wind speed in March - Guerneville, CA
  • Average wind speed in March: 6.5mph

The windiest month (with the highest average wind speed) is May (7.2mph).
The calmest month (with the lowest average wind speed) is November (5mph).

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Average humidity in March
Guerneville, CA

Average humidity in March - Guerneville, 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%).

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Average rainfall in March
Guerneville, CA

Average rainfall in March - Guerneville, CA
  • Average rainfall in March: 2.01"

The wettest month (with the highest rainfall) is February (3.27").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in March
Guerneville, CA

Average rainfall days in March - Guerneville, CA
  • Average rainfall days in March: 10.3 days

The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is August (0.9 days).

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

Average daylight in March / Average sunshine in March - Guerneville, 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 1min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

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Average sunshine days in March
Guerneville, CA

Average sunshine days in March - Guerneville, CA
  • Average sunshine days in March: 20 days

The month with the most sunshine days is July (28.9 days).
The month with the least sunshine days is February (19.9 days).

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Average UV index in March
Guerneville, CA

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in March
Guerneville, CA

Average cloud cover in March - Guerneville, CA
  • Average cloud cover in March: 42

The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 11).

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Average visibility in March
Guerneville, CA

Average visibility in March - Guerneville, 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).

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Guerneville, California, USA

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