March weather forecast
Mount Wilson, CA

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Weather in March

The first month of the spring, March, is still a refreshing month in Mount Wilson, California, with an average temperature varying between 45.1°F (7.3°C) and 64.6°F (18.1°C).

Temperature

The beginning of March reveals an average high-temperature of a still enjoyable 64.6°F (18.1°C), showing minimal deviation from the previous month. Throughout March nights, Mount Wilson registers an average low-temperature of 45.1°F (7.3°C).

Humidity

March is the most humid month, with an average relative humidity of 56%.

Rainfall

In Mount Wilson, in March, during 6.4 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, there are 50.3 rainfall days, and 8.7" (221mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Mount Wilson, California, in March, during 0.5 snowfall days, 0.16" (4mm) of snow is typically accumulated. In Mount Wilson, during the entire year, snow falls for 3.5 days and aggregates up to 7.32" (186mm) of snow.

Daylight

In March, the average length of the day in Mount Wilson is 12h and 0min.
On the first day of March, sunrise is at 6:19 am and sunset at 5:48 pm PST. On the last day of the month, sunrise is at 6:39 am and sunset at 7:12 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

In Mount Wilson, the average sunshine in March is 8.9h.

UV index

In Mount Wilson, the average daily maximum UV index in March is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 4 in March translates into these instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average March temperature?

The high-temperature, in March, in Mount Wilson, records 64.6°F (18.1°C), while the low-temperature is 45.1°F (7.3°C).

What is the most humid month in Mount Wilson?

March is the most humid month, with an average relative humidity of 56%.

What is the average humidity in March in Mount Wilson?

The average relative humidity in March is 56%.

How many days does it rain in March?

In Mount Wilson, in March, it is raining for 6.4 days, with typically 1.02" (26mm) of accumulated precipitation.

How many days does it snow in March?

In Mount Wilson, California, in March, snow falls for 0.5 days, with typically accumulated 0.16" (4mm) of snow.

How many hours of daylight does Mount Wilson have in March?

In Mount Wilson, the average day length in March is 12h and 0min.

When are sunrise and sunset in March?

On the first day of March, sunrise is at 6:19 am and sunset at 5:48 pm PST. On the last day of the month, sunrise is at 6:39 am and sunset at 7:12 pm PDT.

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

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How many hours of sunshine does Mount Wilson have in March?

In March, the average sunshine duration is 8.9h.

How high is the UV index in March?

In March, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Mount Wilson, CA

Average temperature in March - Mount Wilson, CA
  • Average high temperature in March: 64.6°F

The warmest month (with the highest average high temperature) is August (86.2°F).
The month with the lowest average high temperature is December (58.5°F).

  • Average low temperature in March: 45.1°F

The month with the highest average low temperature is August (64°F).
The coldest month (with the lowest average low temperature) is December (43.3°F).

Average pressure in March
Mount Wilson, CA

Average pressure in March - Mount Wilson, CA
  • Average pressure in March: 30.03"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in March
Mount Wilson, CA

Average wind speed in March - Mount Wilson, CA
  • Average wind speed in March: 5.5mph

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

Average humidity in March
Mount Wilson, CA

Average humidity in March - Mount Wilson, CA
  • Average humidity in March: 56%

The month with the highest relative humidity is March (56%).
The month with the lowest relative humidity is August (45%).

Average rainfall in March
Mount Wilson, CA

Average rainfall in March - Mount Wilson, CA
  • Average rainfall in March: 1.02"

The wettest month (with the highest rainfall) is February (1.73").
The driest month (with the least rainfall) is June (0.08").

Average rainfall days in March
Mount Wilson, CA

Average rainfall days in March - Mount Wilson, CA
  • Average rainfall days in March: 6.4 days

The month with the highest number of rainy days is March (6.4 days).
The month with the least rainy days is June (1.3 days).

Average snowfall in March
Mount Wilson, CA

Average snowfall in March - Mount Wilson, CA
  • Average snowfall in March: 0.16"

The month with the highest snowfall is December (2.99").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in March
Mount Wilson, CA

Average snowfall days in March - Mount Wilson, CA
  • Average snowfall days in March: 0.5 days

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in March /
Average sunshine in March
Mount Wilson, CA

Average daylight in March / Average sunshine in March - Mount Wilson, 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: 8h and 5min

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

Average sunshine days in March
Mount Wilson, CA

Average sunshine days in March - Mount Wilson, CA
  • Average sunshine days in March: 24.2 days

The month with the most sunshine days is June (27.9 days).
The month with the least sunshine days is February (21.4 days).

Average UV index in March
Mount Wilson, CA

Average UV index in March - Mount Wilson, CA
  • Average UV index in March: 4

The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are November and December (UV index 3).

Average cloud cover in March
Mount Wilson, CA

Average cloud cover in March - Mount Wilson, CA
  • Average cloud cover in March: 22

The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).

Average visibility in March
Mount Wilson, CA

Average visibility in March - Mount Wilson, 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).

Mount Wilson, California, USA

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