February weather forecast
San Diego, CA

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Coronado Island in San Diego, California, USA,
Coronado Island in San Diego, California, USA,

Weather in February

February brings subtle changes to San Diego's weather pattern. This month experiences a slight ascend in relative humidity to 64%, with an expectation of more occasional rain showers. The slight increase in rainfall to 1.5" (38mm) might be an indication of a wetter period. However, the rest of the month proves to be quite pleasant, with appropriate jacket weather during the day and cooler, more crisp nights. It is a good time to take advantage of San Diego's indoor activities.

Temperature

During the coldest month, February, temperatures average a high of 63.1°F (17.3°C) and a low of 51.8°F (11°C).

Humidity

In February, the average relative humidity in San Diego is 64%.

Rainfall

In San Diego, during February, the rain falls for 6.3 days and regularly aggregates up to 1.5" (38mm) of precipitation. Throughout the year, there are 61.8 rainfall days, and 8.7" (221mm) of precipitation is accumulated.

Ocean temperature

February is the month with the coldest seawater in San Diego, with an average ocean temperature of 58.6°F (14.8°C).
Note: Unprotected swimming in 58.6°F (14.8°C) is dangerous due to potential cold shock. Especially when temperatures go below 50°F (10°C), leading to hyperventilation.

Daylight

In February, the average length of the day is 11h and 2min.
On the first day of the month, sunrise is at 6:43 am and sunset at 5:21 pm. On the last day of February, sunrise is at 6:16 am and sunset at 5:45 pm PST.

Sunshine

The average sunshine in February in San Diego is 6.9h.

UV index

January through March, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: An average UV index of 4 in February transforms into this advice:
Undertake precautions - Guarding against sun damage is counselled. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
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Frequently asked questions

What are the coldest months in San Diego?

February is the month that records the lowest temperatures in San Diego, with averages ranging from a high of 63.1°F (17.3°C) to a low of 51.8°F (11°C).

What are February temperatures in San Diego?

The average high-temperature and low-temperature in San Diego, California, during February are 63.1°F (17.3°C) and 51.8°F (11°C) respectively.

What is the average humidity in February in San Diego?

In February, the average relative humidity is 64%.

How many days does it rain in February in San Diego?

In February, in San Diego, the rain falls for 6.3 days. Throughout February, 1.5" (38mm) of precipitation is accumulated.

What is the month with the coldest ocean in San Diego?

The month with the coldest seawater in San Diego, California, is February, with an average ocean temperature of 58.6°F (14.8°C).

How cold is the water in February in San Diego?

In San Diego, California, in February, the average water temperature is 58.6°F (14.8°C). Swimming in 58.6°F (14.8°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does San Diego have in February?

The average day length in February in San Diego, California, is 11h and 2min.

What time are sunrise and sunset in February in San Diego?

On the first day of February in San Diego, California, sunrise is at 6:43 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 5:45 pm PST.

How long on average sun shines in February in San Diego?

In February, the average sunshine duration in San Diego, California, is 6.9h.

What are the months with the lowest UV index in San Diego?

The months with the lowest UV index in San Diego, California, are January through March, November and December, with an average maximum UV index of 4.

What is the UV index reading in February in San Diego?

In San Diego, the average daily maximum UV index in February is 4. A UV Index reading of 3 to 5 represents a medium health risk 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 February
San Diego, CA

Average temperature in February - San Diego, CA
  • Average high temperature in February: 63.1°F

The warmest month (with the highest average high temperature) is August (77.4°F).
The month with the lowest average high temperature is February (63.1°F).

  • Average low temperature in February: 51.8°F

The month with the highest average low temperature is August (65.7°F).
The coldest month (with the lowest average low temperature) is February (51.8°F).

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Average pressure in February
San Diego, CA

Average pressure in February - San Diego, CA
  • Average pressure in February: 30.04"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).

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Average wind speed in February
San Diego, CA

Average wind speed in February - San Diego, CA
  • Average wind speed in February: 6mph

The windiest months (with the highest average wind speed) are April and May (6.3mph).
The calmest month (with the lowest average wind speed) is October (5.2mph).

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Average humidity in February
San Diego, CA

Average humidity in February - San Diego, CA
  • Average humidity in February: 64%

The month with the highest relative humidity is June (73%).
The month with the lowest relative humidity is November (59%).

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Average rainfall in February
San Diego, CA

Average rainfall in February - San Diego, CA
  • Average rainfall in February: 1.5"

The wettest month (with the highest rainfall) is December (1.65").
The driest month (with the least rainfall) is June (0.12").

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Average rainfall days in February
San Diego, CA

Average rainfall days in February - San Diego, CA
  • Average rainfall days in February: 6.3 days

The month with the highest number of rainy days is March (7.6 days).
The month with the least rainy days is June (2.7 days).

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Average sea temperature in February
San Diego, CA

Average sea temperature in February - San Diego, CA
  • Average sea temperature in February: 58.7°F

The best month for swimming (with the highest average sea temperature) is August (67.9°F).
The coldest month (with the lowest average sea temperature) is February (58.7°F).

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Average daylight in February /
Average sunshine in February
San Diego, CA

Average daylight in February / Average sunshine in February - San Diego, CA
  • Average daylight in February: 11h 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 0min).

  • Average sunshine in February: 6h and 5min

The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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Average sunshine days in February
San Diego, CA

Average sunshine days in February - San Diego, CA
  • Average sunshine days in February: 20.6 days

The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is July (20.3 days).

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Average UV index in February
San Diego, CA

Average UV index in February - San Diego, CA
  • Average UV index in February: 4

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

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Average cloud cover in February
San Diego, CA

Average cloud cover in February - San Diego, CA
  • Average cloud cover in February: 22

The month with the most cloud cover is December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 9).

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Average visibility in February
San Diego, CA

Average visibility in February - San Diego, CA
  • Average visibility in February: 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 Diego, California, USA

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