March weather forecast
Riverdale, CA

Weather in March

March, the first month of the spring, in Riverdale, is still a comfortable month, with temperature in the range of an average low of 47.8°F (8.8°C) and an average high of 67.8°F (19.9°C).

Temperature

In March, the average high-temperature slightly increases, from an enjoyable 62.4°F (16.9°C) in February, to a still comfortable 67.8°F (19.9°C). In Riverdale, the average low-temperature is 47.8°F (8.8°C).

Humidity

In Riverdale, California, the average relative humidity in March is 62%.

Rainfall

Months with the most rainfall in Riverdale are January through March, with an average 1.54" (39mm) of precipitation.

Daylight

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

Sunshine

The average sunshine in Riverdale is 8.6h.

UV index

In March, the average daily maximum UV index in Riverdale, California, is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV radiation for the ordinary person.
Note: In March, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. 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 average humidity in March in Riverdale?

The average relative humidity in March in Riverdale, California, is 62%.

What is the wettest month in Riverdale?

Months with the most rainfall in Riverdale are January through March, with an average 1.54" (39mm) of precipitation.

How much does it rain in Riverdale in March?

In Riverdale, California, in March, during 9.6 rainfall days, 1.54" (39mm) of precipitation is typically accumulated.

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

The average length of the day in March in Riverdale is 12h.

How long on average sun shines in March in Riverdale?

The average sunshine in March in Riverdale, California, is 8.6h.

What is the UV index reading in March in Riverdale?

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

Average temperature in March
Riverdale, CA

Average temperature in March - Riverdale, CA
  • Average high temperature in March: 67.8°F

The warmest month (with the highest average high temperature) is July (102.2°F).
The month with the lowest average high temperature is December (57.2°F).

  • Average low temperature in March: 47.8°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is December (43°F).

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Average pressure in March
Riverdale, CA

Average pressure in March - Riverdale, CA
  • Average pressure in March: 30.06"

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is June (29.89").

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Average wind speed in March
Riverdale, CA

Average wind speed in March - Riverdale, CA
  • Average wind speed in March: 5.8mph

The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest months (with the lowest average wind speed) are January and November (4.8mph).

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Average humidity in March
Riverdale, CA

Average humidity in March - Riverdale, CA
  • Average humidity in March: 62%

Months with the highest relative humidity are January and December (66%).
The month with the lowest relative humidity is July (30%).

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Average rainfall in March
Riverdale, CA

Average rainfall in March - Riverdale, CA
  • Average rainfall in March: 1.54"

The wettest months (with the highest rainfall) are January, February and March (1.54").
The driest month (with the least rainfall) is August (0.08").

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Average rainfall days in March
Riverdale, CA

Average rainfall days in March - Riverdale, CA
  • Average rainfall days in March: 9.6 days

The month with the highest number of rainy days is March (9.6 days).
The month with the least rainy days is August (0.8 days).

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

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

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in March: 8.6h

Months with the most sunshine are June and July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.4h).

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Average sunshine days in March
Riverdale, CA

Average sunshine days in March - Riverdale, CA
  • Average sunshine days in March: 20.6 days

The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is February (19.4 days).

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Average UV index in March
Riverdale, CA

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

Months with the highest UV index are June, July and August (UV index 7).
Months with the lowest UV index are January, November and December (UV index 3).

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Average cloud cover in March
Riverdale, CA

Average cloud cover in March - Riverdale, CA
  • Average cloud cover in March: 28

Months with the most cloud cover are March and December (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 4).

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Average visibility in March
Riverdale, CA

Average visibility in March - Riverdale, 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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