March weather forecast
Irvine, CA

The neon-lit city of Irvine in California, with highway lights and the distant hill ranges and skyscape
The neon-lit city of Irvine in California, with highway lights and the distant hill ranges and skyscape

Weather in March

The first month of the spring, March, is also an enjoyable month in Irvine, California, with an average temperature fluctuating between 52°F (11.1°C) and 66°F (18.9°C).

Temperature

In Irvine, California, the average high-temperature in March is practically the same as in February - a still comfortable 66°F (18.9°C). In Irvine, the average low-temperature is 52°F (11.1°C).

Humidity

The average relative humidity in March in Irvine is 65%.

Rainfall

In Irvine, during March, the rain falls for 7.9 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Irvine, during the entire year, the rain falls for 63.7 days and collects up to 7.91" (201mm) of precipitation.

Daylight

The average length of the day in March in Irvine is 12h and 0min.
On the first day of March in Irvine, sunrise is at 6:19 am and sunset at 5:47 pm PST. On the last day of the month, sunrise is at 6:39 am and sunset at 7:11 pm PDT.
Note: On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time lasts until Sunday, November 6. 2022, at 2:00 am; consequently, the time zone reverts from PDT to PST.

Sunshine

In March, the average sunshine in Irvine is 8.7h.

UV index

January through March, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Irvine, California. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 4 in March interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the average humidity in March in Irvine?

The average relative humidity in March in Irvine, California, is 65%.

How many days does it rain in March in Irvine?

In Irvine, California, during March, the rain falls for 7.9 days and regularly aggregates up to 0.87" (22mm) of precipitation.

What is the average length of the day in March in Irvine?

The average day length in March in Irvine is 12h and 0min.

What time are sunrise and sunset in March in Irvine?

On the first day of March in Irvine, California, sunrise is at 6:19 am and sunset at 5:47 pm PST. On the last day of the month, sunrise is at 6:39 am and sunset at 7:11 pm PDT.

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

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Irvine, California, and the time zone changes from PST to PDT. DST ends Sunday, November 6. 2022, at 2:00 am.

How long on average sun shines in March in Irvine?

In March, the average sunshine duration in Irvine is 8.7h.

When is the lowest UV index in Irvine?

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 4.

What is the UV index reading in March in Irvine?

The average daily maximum UV index in March in Irvine, California, is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.

Average temperature in March
Irvine, CA

Average temperature in March - Irvine, CA
  • Average high temperature in March: 66°F

The warmest month (with the highest average high temperature) is August (79.9°F).
The month with the lowest average high temperature is December (63°F).

  • Average low temperature in March: 52°F

The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (50.5°F).

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Average pressure in March
Irvine, CA

Average pressure in March - Irvine, CA
  • Average pressure in March: 30.03"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in March
Irvine, CA

Average wind speed in March - Irvine, CA
  • Average wind speed in March: 5.6mph

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest months (with the lowest average wind speed) are September and October (4.8mph).

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Average humidity in March
Irvine, CA

Average humidity in March - Irvine, CA
  • Average humidity in March: 65%

The month with the highest relative humidity is June (71%).
The month with the lowest relative humidity is November (56%).

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Average rainfall in March
Irvine, CA

Average rainfall in March - Irvine, CA
  • Average rainfall in March: 0.87"

The wettest month (with the highest rainfall) is December (1.54").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in March
Irvine, CA

Average rainfall days in March - Irvine, CA
  • Average rainfall days in March: 7.9 days

The month with the highest number of rainy days is March (7.9 days).
The month with the least rainy days is June (2.2 days).

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

Average daylight in March / Average sunshine in March - Irvine, CA
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 14h and 22min).
The month with the shortest days is December (Average daylight: 9h and 58min).

  • Average sunshine in March: 8.7h

The months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6.6h).

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Average sunshine days in March
Irvine, CA

Average sunshine days in March - Irvine, CA
  • Average sunshine days in March: 21.3 days

The month with the most sunshine days is January (24.5 days).
The month with the least sunshine days is May (19.7 days).

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Average UV index in March
Irvine, CA

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

The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).

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Average cloud cover in March
Irvine, CA

Average cloud cover in March - Irvine, CA
  • Average cloud cover in March: 23

The month with the most cloud cover is December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 7).

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Average visibility in March
Irvine, CA

Average visibility in March - Irvine, 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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