March weather forecast and climate
Graton, CA

Weather in March

The first month of the spring, March, is also a moderate month in Graton, California, with temperature in the range of an average high of 60.4°F (15.8°C) and an average low of 43.5°F (6.4°C).

Temperature

In Graton, the average high-temperature is almost the same as in February - a still moderate 60.4°F (15.8°C). In March, the average low-temperature is 43.5°F (6.4°C).

Humidity

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

Rainfall

In March, in Graton, the rain falls for 12.6 days. Throughout March, 2.01" (51mm) of precipitation is accumulated. In Graton, during the entire year, the rain falls for 72.8 days and collects up to 12.01" (305mm) of precipitation.

Daylight

The average length of the day in Graton, California, is 12h.

Sunshine

In March, the average sunshine in Graton, California, is 7.5h.

UV index

The average daily maximum UV index in March is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV rays for the ordinary person.
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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in March in Graton?

In March, in Graton, California, the average high-temperature is 60.4°F (15.8°C), and the average low-temperature is 43.5°F (6.4°C).

What is the most humid month in Graton?

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

What is the average humidity in March in Graton?

In March, the average relative humidity is 77%.

How many days does it rain in March in Graton?

In March, the rain falls for 12.6 days. Throughout March, 2.01" (51mm) of precipitation is accumulated.

How many hours of daylight does Graton have in March?

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

How many hours of sunshine does Graton have in March?

In March, the average sunshine is 7.5h.

How high is the UV index in March in Graton?

In Graton, California, the average daily maximum UV index in March is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV rays.

Average temperature in March
Graton, CA

Average temperature in March - Graton, CA
  • Average high temperature in March: 60.4°F

The warmest month (with the highest average high temperature) is August (79.7°F).
The month with the lowest average high temperature is December (55.6°F).

  • Average low temperature in March: 43.5°F

Months with the highest average low temperature are August and September (54.7°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).

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Average pressure in March
Graton, CA

Average pressure in March - Graton, CA
  • Average pressure in March: 30.06"

The month with the highest atmospheric pressure is January (30.13").
Months with the lowest atmospheric pressure are June, August and September (29.92").

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Average wind speed in March
Graton, CA

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

The windiest month (with the highest average wind speed) is May (7.1mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).

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Average humidity in March
Graton, CA

Average humidity in March - Graton, 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 (63%).

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Average rainfall in March
Graton, CA

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

The wettest month (with the highest rainfall) is February (2.64").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in March
Graton, CA

Average rainfall days in March - Graton, CA
  • Average rainfall days in March: 12.6 days

The month with the highest number of rainy days is March (12.6 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
Graton, CA

Average daylight in March / Average sunshine in March - Graton, 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: 7.5h

The month with the most sunshine is July (Average sunshine: 11.9h).
The month with the least sunshine is December (Average sunshine: 5.7h).

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Average sunshine days in March
Graton, CA

Average sunshine days in March - Graton, CA
  • Average sunshine days in March: 17.1 days

The month with the most sunshine days is July (27.2 days).
The month with the least sunshine days is March (17.1 days).

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Average UV index in March
Graton, CA

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

The month with the highest UV index is June (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
Graton, CA

Average cloud cover in March - Graton, 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 July (Cloud cover 9).

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Average visibility in March
Graton, CA

Average visibility in March - Graton, CA
  • Average visibility in March: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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