March weather forecast
Simi Valley, CA

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The Simi Valley city in California, with a view of the scenic Rocky Peak and hilly ranges
The Simi Valley city in California, with a view of the scenic Rocky Peak and hilly ranges

Weather in March

March, the first month of the spring in Simi Valley, is an enjoyable month, with temperature in the range of an average high of 63.3°F (17.4°C) and an average low of 47.8°F (8.8°C).

Temperature

As Simi Valley transitions into March, the average high-temperature stands at a still refreshing 63.3°F (17.4°C), offering little variation from the preceding month. Throughout March, the average low-temperature in Simi Valley dips to a chilly 47.8°F (8.8°C).

Humidity

The average relative humidity in March is 61%.

Rainfall

In Simi Valley, in March, it is raining for 8 days, with typically 1.5" (38mm) of accumulated precipitation. Throughout the year, in Simi Valley, there are 53.7 rainfall days, and 9.61" (244mm) of precipitation is accumulated.

Daylight

In Simi Valley, the average length of the day in March is 12h and 0min.
On the first day of March, sunrise is at 6:22 am and sunset at 5:51 pm PST. On the last day of the month, sunrise is at 6:42 am and sunset at 7:15 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 Simi Valley, the average sunshine in March is 8.8h.

UV index

In Simi Valley, the average daily maximum UV index in March is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In March, a daily UV index of 4 turns into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

What is the usual temperature for Simi Valley in March?

In March, the average high-temperature and low-temperature in Simi Valley are 63.3°F (17.4°C) and 47.8°F (8.8°C) respectively.

What is the average humidity in March in Simi Valley?

The average relative humidity in March is 61%.

How many days does it rain in March in Simi Valley?

In Simi Valley, in March, it is raining for 8 days, with typically 1.5" (38mm) of accumulated precipitation.

What is the average length of the day in March in Simi Valley?

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

When is the sunrise / sunset in March in Simi Valley?

On the first day of March, sunrise is at 6:22 am and sunset at 5:51 pm PST. On the last day of the month, sunrise is at 6:42 am and sunset at 7:15 pm PDT.

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

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Simi Valley, California, 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 Simi Valley have in March?

In March, the average sunshine duration in Simi Valley is 8.8h.

What is the UV index intensity in March in Simi Valley?

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

Average temperature in March
Simi Valley, CA

Average temperature in March - Simi Valley, CA
  • Average high temperature in March: 63.3°F

The warmest month (with the highest average high temperature) is August (82.2°F).
The month with the lowest average high temperature is December (60.1°F).

  • Average low temperature in March: 47.8°F

The month with the highest average low temperature is August (63.1°F).
The coldest month (with the lowest average low temperature) is December (46.4°F).

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Average pressure in March
Simi Valley, CA

Average pressure in March - Simi Valley, CA
  • Average pressure in March: 30.04"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are June and September (29.9"Hg).

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Average wind speed in March
Simi Valley, CA

Average wind speed in March - Simi Valley, CA
  • Average wind speed in March: 6mph

The windiest month (with the highest average wind speed) is December (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in March
Simi Valley, CA

Average humidity in March - Simi Valley, CA
  • Average humidity in March: 61%

The month with the highest relative humidity is June (62%).
The month with the lowest relative humidity is November (50%).

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Average rainfall in March
Simi Valley, CA

Average rainfall in March - Simi Valley, CA
  • Average rainfall in March: 1.5"

The wettest month (with the highest rainfall) is February (1.93").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in March
Simi Valley, CA

Average rainfall days in March - Simi Valley, CA
  • Average rainfall days in March: 8 days

The month with the highest number of rainy days is March (8 days).
The months with the least rainy days are June and August (1.5 days).

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Average daylight in March /
Average sunshine in March
Simi Valley, CA

Average daylight in March / Average sunshine in March - Simi Valley, 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 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: 6h and 48min).

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Average sunshine days in March
Simi Valley, CA

Average sunshine days in March - Simi Valley, CA
  • Average sunshine days in March: 21.5 days

The month with the most sunshine days is August (25.4 days).
The month with the least sunshine days is February (20.9 days).

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Average UV index in March
Simi Valley, CA

Average UV index in March - Simi Valley, CA
  • Average UV index in March: 4

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

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Average cloud cover in March
Simi Valley, CA

Average cloud cover in March - Simi Valley, CA
  • Average cloud cover in March: 23

The month with the most cloud cover is March (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in March
Simi Valley, CA

Average visibility in March - Simi Valley, 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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Simi Valley, California, USA

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