March weather forecast and climate
Fontana, CA

Weather in March

The first month of the spring, March, is still a comfortable month in Fontana, California, with average temperature ranging between min 46°F (7.8°C) and max 66.7°F (19.3°C).

Temperature

In Fontana, the average high-temperature in March is almost the same as in February - a still comfortable 66.7°F (19.3°C). The average low-temperature, in March, is 46°F (7.8°C).

Humidity

February, March and May, with an average relative humidity of 52%, are most humid months.

Rainfall

In March, in Fontana, the rain falls for 7.5 days. Throughout March, 0.75" (19mm) of precipitation is accumulated. Throughout the year, in Fontana, there are 48.1 rainfall days, and 6.89" (175mm) of precipitation is accumulated.

Snowfall

In Fontana snow does not fall in January, March through December.

Daylight

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

Sunshine

In Fontana, the average sunshine in March is 8.9h.

UV index

In Fontana, the average daily maximum UV index in March is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to the UV radiation for average individuals.
Note: The average daily UV index of 5 in March transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. 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 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 temperature in March in Fontana?

The average high-temperature, in March, in Fontana, California, is 66.7°F (19.3°C), while the average low-temperature is 46°F (7.8°C).

What is the most humid month in Fontana?

Months with the highest humidity are February, March and May, with an average relative humidity of 52%.

What is the average humidity in March in Fontana?

The average relative humidity in March in Fontana, California, is 52%.

How many days does it rain in March in Fontana?

In Fontana, California, in March, during 7.5 rainfall days, 0.75" (19mm) of precipitation is typically accumulated.

Does it snow in Fontana in March?

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

When it does not snow in Fontana?

January, March through December are months without snowfall.

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

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

How many hours of sunshine does Fontana have in March?

In March, the average sunshine in Fontana is 8.9h.

What is the UV index reading in March in Fontana?

The average daily maximum UV index in March is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.

Average temperature in March
Fontana, CA

Average temperature in March - Fontana, CA
  • Average high temperature in March: 66.7°F

The warmest month (with the highest average high temperature) is August (92.1°F).
The month with the lowest average high temperature is December (60.8°F).

  • Average low temperature in March: 46°F

The month with the highest average low temperature is August (67.3°F).
The coldest months (with the lowest average low temperature) are February and December (44.2°F).

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Average pressure in March
Fontana, CA

Average pressure in March - Fontana, CA
  • Average pressure in March: 30.01"

The month with the highest atmospheric pressure is January (30.1").
The month with the lowest atmospheric pressure is June (29.85").

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Average wind speed in March
Fontana, CA

Average wind speed in March - Fontana, CA
  • Average wind speed in March: 5.4mph

The windiest months (with the highest average wind speed) are April and May (6mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).

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Average humidity in March
Fontana, CA

Average humidity in March - Fontana, CA
  • Average humidity in March: 52%

Months with the highest relative humidity are February, March and May (52%).
The month with the lowest relative humidity is August (39%).

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Average rainfall in March
Fontana, CA

Average rainfall in March - Fontana, CA
  • Average rainfall in March: 0.75"

The wettest month (with the highest rainfall) is February (1.57").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in March
Fontana, CA

Average rainfall days in March - Fontana, CA
  • Average rainfall days in March: 7.5 days

The month with the highest number of rainy days is March (7.5 days).
The month with the least rainy days is June (1.2 days).

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Average snowfall days in March
Fontana, CA

Average snowfall days in March - Fontana, CA
  • Average snowfall days in March: 0 days

The month with the highest number of snowfall days is February (0.1 days).
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
Fontana, CA

Average daylight in March / Average sunshine in March - Fontana, 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: 8.9h

Months with the most sunshine are June, July and August (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.9h).

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Average sunshine days in March
Fontana, CA

Average sunshine days in March - Fontana, CA
  • Average sunshine days in March: 23.5 days

The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is February (21.1 days).

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Average UV index in March
Fontana, CA

Average UV index in March - Fontana, CA
  • Average UV index in March: 5

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
Fontana, CA

Average cloud cover in March - Fontana, CA
  • Average cloud cover in March: 21

Months with the most cloud cover are February, March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 4).

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Average visibility in March
Fontana, CA

Average visibility in March - Fontana, 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).

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