March weather forecast and climate
Vallejo, CA

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

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

Temperature

In March, the average high-temperature is practically the same as in February - a comfortable 61.5°F (16.4°C). In March, in Vallejo, the average low-temperature is 45°F (7.2°C).

Humidity

With an average relative humidity of 75%, March is the most humid month.

Rainfall

In Vallejo, it is raining for 10.2 days, with typically 0.75" (19mm) of accumulated precipitation. Throughout the year, in Vallejo, there are 56.9 rainfall days, and 4.88" (124mm) of precipitation is accumulated.

Daylight

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

Sunshine

The average sunshine in Vallejo is 7.7h.

UV index

In Vallejo, California, the average daily maximum UV index in March is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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.
[Resources]

FAQ

What is the temperature in March in Vallejo?

In March, in Vallejo, California, the average high-temperature 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?

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

What is the average humidity in March in Vallejo?

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

How much does it rain in Vallejo in March?

In Vallejo, California, in March, it is raining for 10.2 days, with typically 0.75" (19mm) of accumulated precipitation.

How many hours of daylight does Vallejo have in March?

In Vallejo, California, the average length of the day in March is 12h.

How many hours of sunshine does Vallejo have in March?

The average sunshine in March in Vallejo is 7.7h.

How high is the UV index in March in Vallejo?

In Vallejo, California, the average daily maximum UV index in March is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV radiation.

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).

[Resources]

Average pressure in March
Vallejo, CA

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

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

[Resources]

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).

[Resources]

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%).
Months with the lowest relative humidity are September and October (60%).

[Resources]

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").

[Resources]

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).

[Resources]

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

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in March: 7.7h

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 5.7h).

[Resources]

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).

[Resources]

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).
Months with the lowest UV index are January, February, November and December (UV index 3).

[Resources]

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).

[Resources]

Average visibility in March
Vallejo, CA

Average visibility in March - Vallejo, 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).

[Resources]