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

Temperature

In Irvine, California, the average high-temperature is relatively 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 Irvine is 65%.

Rainfall

In Irvine, during 7.9 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. 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 Irvine is 12h.

Sunshine

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

UV index

Months with the lowest UV index in Irvine, California, are January through March, November and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 4 in March interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in March in Irvine?

In March, in Irvine, California, the average high-temperature is 66°F (18.9°C), and the average low-temperature is 52°F (11.1°C).

What is the average humidity in March in Irvine?

In March, the average relative humidity in Irvine is 65%.

How many days does it rain in March in Irvine?

In Irvine, in March, it is raining for 7.9 days, with typically 0.87" (22mm) of accumulated precipitation.

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

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

How many hours of sunshine does Irvine have in March?

The average sunshine in March is 8.7h.

What is the month with the lowest UV index in Irvine?

Months with the lowest UV index in Irvine, California, are January through March, November and December, with an average maximum UV index of 4.

What is the UV index intensity in March in Irvine?

In Irvine, the average daily maximum UV index in March is 4. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV radiation.
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).

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

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

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).

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%).

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").

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).

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

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in March: 8.7h

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

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).

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

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

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).

Average visibility in March - Irvine, 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).