March weather forecast
Vallejo, CA

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A colorful orange sunset skyline seen over the Napa River and Bridge in Vallejo, California
A colorful orange sunset skyline seen over the Napa River and Bridge in Vallejo, California

Weather in March

The first month of the spring, March, is a comfortable month in Vallejo, California, with an average temperature fluctuating between 61.5°F (16.4°C) and 45°F (7.2°C).

Temperature

As Vallejo welcomes March, the average high-temperature stabilizes at an enjoyable 61.5°F (16.4°C), showing little deviation from February's 59.2°F (15.1°C). During March, Vallejo experiences an average low-temperature of 45°F (7.2°C) at night.

Humidity

March is the most humid month in Vallejo, with an average relative humidity of 75%.

Rainfall

In March, the rain falls for 10.2 days. Throughout March, 0.75" (19mm) of precipitation is accumulated. In Vallejo, during the entire year, the rain falls for 56.9 days and collects up to 4.88" (124mm) of precipitation.

Daylight

In Vallejo, the average length of the day in March is 11h and 59min.
On the first day of March, sunrise is at 6:39 am and sunset at 6:02 pm PST. On the last day of the month, sunrise is at 6:54 am and sunset at 7:31 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 Vallejo, the average sunshine in March is 7.7h.

UV index

In Vallejo, the average daily maximum UV index in March is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 4 during March translates into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
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Frequently asked questions

What are March temperatures in Vallejo?

An average high-temperature, in March, in Vallejo, is 61.5°F (16.4°C) and the average low-temperature is 45°F (7.2°C).

What is the most humid month in Vallejo?

The most humid month in Vallejo is March, with an average relative humidity of 75%.

What is the average humidity in March in Vallejo?

In March, the average relative humidity in Vallejo is 75%.

How many days does it rain in March in Vallejo?

In March, in Vallejo, California, the rain falls for 10.2 days. Throughout March, 0.75" (19mm) of precipitation is accumulated.

How many hours of daylight does Vallejo have in March?

The average day length in March in Vallejo is 11h and 59min.

When are sunrise and sunset in March in Vallejo?

In March, on the first day of the month, sunrise is at 6:39 am and sunset at 6:02 pm PST. On the last day of the month, in Vallejo, California, sunrise is at 6:54 am and sunset at 7:31 pm PDT.

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

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

In March, the average sunshine duration is 7.7h.

What is the UV index reading in March in Vallejo?

The average daily maximum UV index in March is 4. A UV Index estimate 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
Vallejo, CA

Average temperature in March - Vallejo, CA
  • Average high temperature in March: 61.5°F

The warmest months (with the highest average high temperature) are July and September (80.1°F).
The month with the lowest average high temperature is December (55.4°F).

  • Average low temperature in March: 45°F

The month with the highest average low temperature is August (56.5°F).
The coldest month (with the lowest average low temperature) is January (43°F).

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Average pressure in March
Vallejo, CA

Average pressure in March - Vallejo, CA
  • Average pressure in March: 30.07"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in March
Vallejo, CA

Average wind speed in March - Vallejo, CA
  • Average wind speed in March: 6mph

The windiest month (with the highest average wind speed) is May (7.1mph).
The calmest month (with the lowest average wind speed) is November (4.6mph).

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Average humidity in March
Vallejo, CA

Average humidity in March - Vallejo, CA
  • Average humidity in March: 75%

The month with the highest relative humidity is March (75%).
The months with the lowest relative humidity are September and October (60%).

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Average rainfall in March
Vallejo, CA

Average rainfall in March - Vallejo, CA
  • Average rainfall in March: 0.75"

The wettest month (with the highest rainfall) is February (1.14").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in March
Vallejo, CA

Average rainfall days in March - Vallejo, CA
  • Average rainfall days in March: 10.2 days

The month with the highest number of rainy days is March (10.2 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
Vallejo, CA

Average daylight in March / Average sunshine in March - Vallejo, 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 4min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in March
Vallejo, CA

Average sunshine days in March - Vallejo, CA
  • Average sunshine days in March: 18.8 days

The month with the most sunshine days is July (27.2 days).
The month with the least sunshine days is March (18.8 days).

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Average UV index in March
Vallejo, CA

Average UV index in March - Vallejo, 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).

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Average cloud cover in March
Vallejo, CA

Average cloud cover in March - Vallejo, CA
  • Average cloud cover in March: 37

The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 9).

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Average visibility in March
Vallejo, CA

Average visibility in March - Vallejo, 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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Vallejo, California, USA

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