March weather forecast
Rancho Cucamonga, CA

Weather in March

The first month of the spring, March, is a pleasant month in Rancho Cucamonga, California, with an average temperature ranging between max 68.4°F (20.2°C) and min 46.9°F (8.3°C).

Temperature

In Rancho Cucamonga, the average high-temperature in March is relatively the same as in February - a pleasant 68.4°F (20.2°C). In Rancho Cucamonga, in March, the average low-temperature is 46.9°F (8.3°C).

Humidity

February, March and May, with an average relative humidity of 53%, are the most humid months in Rancho Cucamonga.

Rainfall

In Rancho Cucamonga, it is raining for 6.3 days, with typically 0.39" (10mm) of accumulated precipitation. Throughout the year, in Rancho Cucamonga, there are 42.3 rainfall days, and 4.53" (115mm) of precipitation is accumulated.

Snowfall

January, March through December are months without snowfall in Rancho Cucamonga.

Daylight

In March, the average length of the day in Rancho Cucamonga is 12h and 0min.
On the first day of the month, sunrise is at 6:18 am and sunset at 5:46 pm PST. On the last day of March, in Rancho Cucamonga, sunrise is at 6:38 am and sunset at 7:10 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 Rancho Cucamonga, the average sunshine in March is 9.1h.

UV index

The average daily maximum UV index in March is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 5 in March 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. 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.
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FAQ

What is the most humid month in Rancho Cucamonga?

The months with the highest humidity in Rancho Cucamonga, California, are February, March and May, with an average relative humidity of 53%.

What is the average humidity in March in Rancho Cucamonga?

The average relative humidity in March in Rancho Cucamonga, California, is 53%.

How much does it rain in Rancho Cucamonga in March?

In Rancho Cucamonga, in March, during 6.3 rainfall days, 0.39" (10mm) of precipitation is typically accumulated.

When it does not snow in Rancho Cucamonga?

January, March through December are months without snowfall.

Does it snow in Rancho Cucamonga in March?

In March, it doesn't snow. February is the latest month when it typically snows.

What is the average length of the day in March in Rancho Cucamonga?

In March, the average day length in Rancho Cucamonga, California, is 12h and 0min.

When are sunrise and sunset in March in Rancho Cucamonga?

On the first day of March in Rancho Cucamonga, California, sunrise is at 6:18 am and sunset at 5:46 pm PST. On the last day of the month, sunrise is at 6:38 am and sunset at 7:10 pm PDT.

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

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

How many hours of sunshine does Rancho Cucamonga have in March?

In Rancho Cucamonga, California, the average sunshine duration in March is 9.1h.

What is the UV index intensity in March in Rancho Cucamonga?

In Rancho Cucamonga, the average daily maximum UV index in March is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Rancho Cucamonga, CA

Average temperature in March - Rancho Cucamonga, CA
  • Average high temperature in March: 68.4°F

The warmest month (with the highest average high temperature) is August (91.8°F).
The month with the lowest average high temperature is December (61.7°F).

  • Average low temperature in March: 46.9°F

The month with the highest average low temperature is August (66.6°F).
The coldest months (with the lowest average low temperature) are February and December (45.3°F).

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Average pressure in March
Rancho Cucamonga, CA

Average pressure in March - Rancho Cucamonga, 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 (29.86"Hg).

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Average wind speed in March
Rancho Cucamonga, CA

Average wind speed in March - Rancho Cucamonga, CA
  • Average wind speed in March: 5.3mph

The windiest month (with the highest average wind speed) is May (5.9mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).

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Average humidity in March
Rancho Cucamonga, CA

Average humidity in March - Rancho Cucamonga, CA
  • Average humidity in March: 53%

The months with the highest relative humidity are February, March and May (53%).
The month with the lowest relative humidity is August (41%).

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Average rainfall in March
Rancho Cucamonga, CA

Average rainfall in March - Rancho Cucamonga, CA
  • Average rainfall in March: 0.39"

The wettest month (with the highest rainfall) is February (0.98").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in March
Rancho Cucamonga, CA

Average rainfall days in March - Rancho Cucamonga, 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 (0.9 days).

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Average snowfall days in March
Rancho Cucamonga, CA

Average snowfall days in March - Rancho Cucamonga, CA
  • Average snowfall days in March: 0 days

The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight in March /
Average sunshine in March
Rancho Cucamonga, CA

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

The month with the longest days is June (Average daylight: 14h and 23min).
The month with the shortest days is December (Average daylight: 9h and 56min).

  • Average sunshine in March: 9h and 6min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 54min).

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Average sunshine days in March
Rancho Cucamonga, CA

Average sunshine days in March - Rancho Cucamonga, CA
  • Average sunshine days in March: 24.6 days

The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is February (22.8 days).

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Average UV index in March
Rancho Cucamonga, CA

Average UV index in March - Rancho Cucamonga, 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
Rancho Cucamonga, CA

Average cloud cover in March - Rancho Cucamonga, CA
  • Average cloud cover in March: 20

The months with the most cloud cover are February 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
Rancho Cucamonga, CA

Average visibility in March - Rancho Cucamonga, 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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