March weather forecast
Walnut Creek, CA

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Vast fields and forest slopes of the iconic Mount Diablo State Park within the Walnut Creek in California
Vast fields and forest slopes of the iconic Mount Diablo State Park within the Walnut Creek in California

Weather in March

March, the first month of the spring in Walnut Creek, is an enjoyable month, with an average temperature varying between 44.8°F (7.1°C) and 62.8°F (17.1°C).

Temperature

The arrival of March sees a recorded average high-temperature of an enjoyable 62.8°F (17.1°C), showing little divergence from the previous month's conditions. Throughout the month of March, Walnut Creek witnesses an average low-temperature of 44.8°F (7.1°C).

Humidity

With an average relative humidity of 74%, March is the most humid month.

Rainfall

In Walnut Creek, in March, during 12.6 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, there are 68.7 rainfall days, and 11.26" (286mm) of precipitation is accumulated.

Daylight

In Walnut Creek, the average length of the day in March is 11h and 59min.
On the first day of the month, sunrise is at 6:38 am and sunset at 6:02 pm PST. On the last day of March, in Walnut Creek, California, sunrise is at 6:53 am and sunset at 7:30 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 March, the average sunshine in Walnut Creek is 7.8h.

UV index

In March, the average daily maximum UV index in Walnut Creek is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In March, the maximum UV index of 4 translates into these guidelines:
Take precautions - Protection against sun damage is advised. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
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Frequently asked questions

What are the temperatures in Walnut Creek in March?

Walnut Creek in March has an average high-temperature of 62.8°F (17.1°C) and an average low-temperature of 44.8°F (7.1°C).

What is the most humid month in Walnut Creek?

With an average relative humidity of 74%, March is the most humid month in Walnut Creek.

What is the average humidity in March in Walnut Creek?

In March, the average relative humidity is 74%.

How much does it rain in Walnut Creek in March?

In Walnut Creek, in March, it is raining for 12.6 days, with typically 1.85" (47mm) of accumulated precipitation.

How many hours of daylight does Walnut Creek have in March?

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

What time are sunrise and sunset in March in Walnut Creek?

On the first day of March, sunrise is at 6:38 am and sunset at 6:02 pm PST. On the last day of the month, sunrise is at 6:53 am and sunset at 7:30 pm PDT.

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

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

In March, the average sunshine duration in Walnut Creek, California, is 7.8h.

What is the UV index reading in March in Walnut Creek?

The average daily maximum UV index in March is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's 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
Walnut Creek, CA

Average temperature in March - Walnut Creek, CA
  • Average high temperature in March: 62.8°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is December (55.4°F).

  • Average low temperature in March: 44.8°F

The month with the highest average low temperature is September (57.2°F).
The coldest months (with the lowest average low temperature) are January and December (42.4°F).

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Average pressure in March
Walnut Creek, CA

Average pressure in March - Walnut Creek, 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
Walnut Creek, CA

Average wind speed in March - Walnut Creek, CA
  • Average wind speed in March: 5.9mph

The windiest month (with the highest average wind speed) is May (7.3mph).
The calmest month (with the lowest average wind speed) is November (4.4mph).

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Average humidity in March
Walnut Creek, CA

Average humidity in March - Walnut Creek, CA
  • Average humidity in March: 74%

The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are September and October (58%).

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Average rainfall in March
Walnut Creek, CA

Average rainfall in March - Walnut Creek, CA
  • Average rainfall in March: 1.85"

The wettest month (with the highest rainfall) is February (2.4").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in March
Walnut Creek, CA

Average rainfall days in March - Walnut Creek, 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
Walnut Creek, CA

Average daylight in March / Average sunshine in March - Walnut Creek, 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 5min

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 48min).

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Average sunshine days in March
Walnut Creek, CA

Average sunshine days in March - Walnut Creek, CA
  • Average sunshine days in March: 17.5 days

The month with the most sunshine days is August (29.6 days).
The month with the least sunshine days is March (17.5 days).

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Average UV index in March
Walnut Creek, CA

Average UV index in March - Walnut Creek, CA
  • Average UV index in March: 4

The months with the highest UV index are June and July (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
Walnut Creek, CA

Average cloud cover in March - Walnut Creek, CA
  • Average cloud cover in March: 36

The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 8).

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Average visibility in March
Walnut Creek, CA

Average visibility in March - Walnut Creek, 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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Walnut Creek, California, USA

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