March weather forecast
Castaic, CA

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Weather in March

March, the first month of the spring in Castaic, is still a refreshing month, with an average temperature fluctuating between 44.6°F (7°C) and 64.6°F (18.1°C).

Temperature

March begins with an average high-temperature of a still enjoyable 64.6°F (18.1°C), reflecting close similarity to the preceding month. Throughout the month of March, Castaic expects an average low of 44.6°F (7°C).

Humidity

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

Rainfall

In Castaic, in March, it is raining for 6.9 days, with typically 1.22" (31mm) of accumulated precipitation. Throughout the year, there are 42.2 rainfall days, and 6.77" (172mm) of precipitation is accumulated.

Daylight

In Castaic, California, the average length of the day in March is 12h and 0min.
On the first day of the month, sunrise is at 6:22 am and sunset at 5:51 pm PST. On the last day of March, in Castaic, sunrise is at 6:41 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 March, the average sunshine is 8.8h.

UV index

The average daily maximum UV index in March is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: In March, the maximum UV index of 4 suggests this advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.

Frequently asked questions

What are March temperatures?

Castaic in March has an average high-temperature of 64.6°F (18.1°C) and an average low-temperature of 44.6°F (7°C).

What is the most humid month?

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

What is the average humidity in March?

In March, the average relative humidity is 56%.

How many days does it rain in March?

In Castaic, in March, during 6.9 rainfall days, 1.22" (31mm) of precipitation is typically accumulated.

What is the average length of the day in March?

The average day length in March is 12h and 0min.

When is the sunrise / sunset in March?

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 6:41 am and sunset at 7:15 pm PDT.

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

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

How long on average sun shines in March?

In Castaic, California, the average sunshine duration in March is 8.8h.

What is the UV index intensity in March?

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

Average temperature in March
Castaic, CA

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

The warmest month (with the highest average high temperature) is August (88.2°F).
The month with the lowest average high temperature is December (59.5°F).

  • Average low temperature in March: 44.6°F

The month with the highest average low temperature is August (63.7°F).
The coldest month (with the lowest average low temperature) is December (42.3°F).

Average pressure in March
Castaic, CA

Average pressure in March - Castaic, CA
  • Average pressure in March: 30.04"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
Castaic, CA

Average wind speed in March - Castaic, CA
  • Average wind speed in March: 6.5mph

The windiest months (with the highest average wind speed) are January and December (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in March
Castaic, CA

Average humidity in March - Castaic, CA
  • Average humidity in March: 56%

The month with the highest relative humidity is March (56%).
The months with the lowest relative humidity are August and October (43%).

Average rainfall in March
Castaic, CA

Average rainfall in March - Castaic, CA
  • Average rainfall in March: 1.22"

The wettest month (with the highest rainfall) is December (1.42").
The driest months (with the least rainfall) are June and August (0.04").

Average rainfall days in March
Castaic, CA

Average rainfall days in March - Castaic, CA
  • Average rainfall days in March: 6.9 days

The month with the highest number of rainy days is March (6.9 days).
The month with the least rainy days is June (0.7 days).

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

Average daylight in March / Average sunshine in March - Castaic, 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 month with the least sunshine is February (Average sunshine: 6h and 42min).

Average sunshine days in March
Castaic, CA

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

The month with the most sunshine days is August (28.7 days).
The month with the least sunshine days is February (21.5 days).

Average UV index in March
Castaic, CA

Average UV index in March - Castaic, CA
  • Average UV index in March: 4

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

Average cloud cover in March
Castaic, CA

Average cloud cover in March - Castaic, 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 4).

Average visibility in March
Castaic, CA

Average visibility in March - Castaic, 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).

Castaic, California, USA

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