March weather forecast
San Dimas, CA

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Weather in March

The first month of the spring, March, is a pleasant month in San Dimas, California, with temperature in the range of an average high of 68.2°F (20.1°C) and an average low of 47.5°F (8.6°C).

Temperature

The shift into March reveals an average high-temperature of an agreeable 68.2°F (20.1°C), closely mirroring February's climate. San Dimas usually reports an average low-temperature of 47.5°F (8.6°C) during the month of March.

Humidity

The months with the highest humidity are March and May, with an average relative humidity of 55%.

Rainfall

In San Dimas, in March, during 6.3 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. Throughout the year, there are 45.2 rainfall days, and 6.5" (165mm) of precipitation is accumulated.

Daylight

The average length of the day in March is 12h and 0min.
On the first day of March, sunrise is at 6:18 am and sunset at 5:48 pm PST. On the last day of the month, sunrise is at 6:38 am and sunset at 7:11 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

The average sunshine in March is 9h.

UV index

In San Dimas, the average daily maximum UV index in March is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In March, an average UV index of 5 transforms into the following instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

What are the temperatures in San Dimas in March?

An average high-temperature, in March, in San Dimas, is 68.2°F (20.1°C) and the average low-temperature is 47.5°F (8.6°C).

What are the most humid months in San Dimas?

The months with the highest humidity in San Dimas, California, are March and May, with an average relative humidity of 55%.

What is the average humidity in March in San Dimas?

The average relative humidity in March in San Dimas, California, is 55%.

How many days does it rain in March in San Dimas?

In San Dimas, in March, it is raining for 6.3 days, with typically 0.67" (17mm) of accumulated precipitation.

What is the average length of the day in March in San Dimas?

The average day length in March in San Dimas, California, is 12h and 0min.

What time are sunrise and sunset in March in San Dimas?

On the first day of March in San Dimas, California, sunrise is at 6:18 am and sunset at 5:48 pm PST. On the last day of the month, sunrise is at 6:38 am and sunset at 7:11 pm PDT.

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

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

In San Dimas, the average sunshine duration in March is 9h.

What is the UV index intensity in March in San Dimas?

In March, the average daily maximum UV index in San Dimas, California, is 5. A UV Index of 3 to 5 symbolizes 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
San Dimas, CA

Average temperature in March - San Dimas, CA
  • Average high temperature in March: 68.2°F

The warmest month (with the highest average high temperature) is August (89.4°F).
The month with the lowest average high temperature is December (62.4°F).

  • Average low temperature in March: 47.5°F

The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is December (45.5°F).

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Average pressure in March
San Dimas, CA

Average pressure in March - San Dimas, CA
  • Average pressure in March: 30.02"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in March
San Dimas, CA

Average wind speed in March - San Dimas, CA
  • Average wind speed in March: 5.1mph

The windiest months (with the highest average wind speed) are April and May (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.3mph).

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Average humidity in March
San Dimas, CA

Average humidity in March - San Dimas, CA
  • Average humidity in March: 55%

The months with the highest relative humidity are March and May (55%).
The months with the lowest relative humidity are August and November (45%).

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Average rainfall in March
San Dimas, CA

Average rainfall in March - San Dimas, CA
  • Average rainfall in March: 0.67"

The wettest month (with the highest rainfall) is February (1.46").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in March
San Dimas, CA

Average rainfall days in March - San Dimas, CA
  • Average rainfall days in March: 6.3 days

The month with the highest number of rainy days is March (6.3 days).
The month with the least rainy days is June (1.2 days).

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Average daylight in March /
Average sunshine in March
San Dimas, CA

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

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in March: 9h and 0min

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 7h and 0min).

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Average sunshine days in March
San Dimas, CA

Average sunshine days in March - San Dimas, CA
  • Average sunshine days in March: 24.6 days

The month with the most sunshine days is June (27.8 days).
The month with the least sunshine days is February (22 days).

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Average UV index in March
San Dimas, CA

Average UV index in March - San Dimas, CA
  • Average UV index in March: 5

The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in March
San Dimas, CA

Average cloud cover in March - San Dimas, CA
  • Average cloud cover in March: 21

The months with the most cloud cover are March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in March
San Dimas, CA

Average visibility in March - San Dimas, 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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San Dimas, California, USA

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