March weather forecast
San Ysidro, CA

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Weather in March

March, the first month of the spring in San Ysidro, is also an enjoyable month, with an average temperature fluctuating between 51.3°F (10.7°C) and 66.6°F (19.2°C).

Temperature

The shift from February to March is characterized by an average high-temperature of a still enjoyable 66.6°F (19.2°C), not significantly different from the 64.4°F (18°C) of February. San Ysidro, in March, witnesses an average low-temperature of 51.3°F (10.7°C).

Humidity

In March, the average relative humidity is 65%.

Rainfall

In March, in San Ysidro, the rain falls for 7.5 days. Throughout March, 0.79" (20mm) of precipitation is accumulated. In San Ysidro, during the entire year, the rain falls for 57.8 days and collects up to 7.28" (185mm) of precipitation.

Daylight

In San Ysidro, the average length of the day in March is 12h and 1min.
On the first day of March in San Ysidro, California, sunrise is at 6:14 am and sunset at 5:46 pm PST. On the last day of the month, sunrise is at 6:36 am and sunset at 7:07 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 8.6h.

UV index

The average daily maximum UV index in March is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index, 5 during March, leads to the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

What are March temperatures in San Ysidro?

The high-temperature, in March, in San Ysidro, is 66.6°F (19.2°C), while the low-temperature averages to 51.3°F (10.7°C).

What is the average humidity in March in San Ysidro?

The average relative humidity in March in San Ysidro is 65%.

How much does it rain in San Ysidro in March?

In San Ysidro, California, in March, during 7.5 rainfall days, 0.79" (20mm) of precipitation is typically accumulated.

How many hours of daylight does San Ysidro have in March?

The average day length in March is 12h and 1min.

What time are sunrise and sunset in March in San Ysidro?

In March, on the first day of the month, sunrise is at 6:14 am and sunset at 5:46 pm PST. On the last day of the month, in San Ysidro, sunrise is at 6:36 am and sunset at 7:07 pm PDT.

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

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in San Ysidro, 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 San Ysidro?

In San Ysidro, California, the average sunshine duration in March is 8.6h.

What is the UV index reading in March in San Ysidro?

The average daily maximum UV index in March in San Ysidro, California, is 5. A UV Index estimate of 3 to 5 represents a moderate health threat 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
San Ysidro, CA

Average temperature in March - San Ysidro, CA
  • Average high temperature in March: 66.6°F

The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (64°F).

  • Average low temperature in March: 51.3°F

The month with the highest average low temperature is August (66.7°F).
The coldest month (with the lowest average low temperature) is February (50.2°F).

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Average pressure in March
San Ysidro, CA

Average pressure in March - San Ysidro, CA
  • Average pressure in March: 30.02"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.88"Hg).

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Average wind speed in March
San Ysidro, CA

Average wind speed in March - San Ysidro, CA
  • Average wind speed in March: 5.6mph

The windiest months (with the highest average wind speed) are April and May (6mph).
The calmest month (with the lowest average wind speed) is October (4.8mph).

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Average humidity in March
San Ysidro, CA

Average humidity in March - San Ysidro, CA
  • Average humidity in March: 65%

The month with the highest relative humidity is May (68%).
The month with the lowest relative humidity is November (55%).

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Average rainfall in March
San Ysidro, CA

Average rainfall in March - San Ysidro, CA
  • Average rainfall in March: 0.79"

The wettest month (with the highest rainfall) is February (1.5").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in March
San Ysidro, CA

Average rainfall days in March - San Ysidro, 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 (1.8 days).

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Average daylight in March /
Average sunshine in March
San Ysidro, CA

Average daylight in March / Average sunshine in March - San Ysidro, CA
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in March: 8h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

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Average sunshine days in March
San Ysidro, CA

Average sunshine days in March - San Ysidro, CA
  • Average sunshine days in March: 22.7 days

The month with the most sunshine days is June (27.8 days).
The month with the least sunshine days is February (20.8 days).

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Average UV index in March
San Ysidro, CA

Average UV index in March - San Ysidro, CA
  • Average UV index in March: 5

The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).

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Average cloud cover in March
San Ysidro, CA

Average cloud cover in March - San Ysidro, CA
  • Average cloud cover in March: 25

The months with the most cloud cover are March and December (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 8).

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Average visibility in March
San Ysidro, CA

Average visibility in March - San Ysidro, 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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San Ysidro, California, USA

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