San Clemente
California, USA
Long-term weather forecast
Long-term weather forecast

March weather forecast and climate
San Clemente, CA

The first month of the spring, March, is also an enjoyable month in San Clemente, California, with temperature in the range of an average high of 64.8°F (18.2°C) and an average low of 50.5°F (10.3°C).

Temperature

In San Clemente, the average high-temperature is practically the same as in February - a still enjoyable 64.8°F (18.2°C). The average low-temperature, in March, is 50.5°F (10.3°C).

Humidity

In March, the average relative humidity in San Clemente is 70%.

Rainfall

In San Clemente, it is raining for 7.3 days, with typically 0.39" (10mm) of accumulated precipitation. In San Clemente, California, during the entire year, the rain falls for 51.1 days and collects up to 3.66" (93mm) of precipitation.

Ocean temperature

In San Clemente, in March, the average water temperature is 59.2°F (15.1°C).
Note: Swimming in 59.2°F (15.1°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

Daylight

In San Clemente, the average length of the day in March is 12h.

Sunshine

The average sunshine in San Clemente is 8.4h.

UV index

Months with the lowest UV index in San Clemente are January through March, November and December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 4 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in March in San Clemente?

In San Clemente, California, in March, the average high-temperature is 64.8°F (18.2°C), and the average low-temperature is 50.5°F (10.3°C).

What is the average humidity in March in San Clemente?

In March, the average relative humidity is 70%.

How much does it rain in San Clemente in March?

In San Clemente, California, during March, the rain falls for 7.3 days and regularly aggregates up to 0.39" (10mm) of precipitation.

How cold is the water in March in San Clemente?

In March, the average ocean temperature in San Clemente, California, is 59.2°F (15.1°C). For swimming, a surface water temperature of 59.2°F (15.1°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

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

In March, the average length of the day in San Clemente, California, is 12h.

How many hours of sunshine does San Clemente have in March?

In San Clemente, the average sunshine in March is 8.4h.

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

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

How high is the UV index in March in San Clemente?

In March, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV radiation.
Average temperature in March - San Clemente, CA
  • Average high temperature in March: 64.8°F

The warmest month (with the highest average high temperature) is September (77.4°F).
The month with the lowest average high temperature is December (62.6°F).

  • Average low temperature in March: 50.5°F

Months with the highest average low temperature are August and September (63.5°F).
The coldest month (with the lowest average low temperature) is February (49.6°F).

Average humidity in March - San Clemente, CA
  • Average humidity in March: 70%

The month with the highest relative humidity is June (75%).
The month with the lowest relative humidity is November (60%).

Average rainfall in March - San Clemente, CA
  • Average rainfall in March: 0.39"

The wettest month (with the highest rainfall) is December (0.71").
The driest month (with the lowest rainfall) is June (0.08").

Average rainfall days in March - San Clemente, CA
  • Average rainfall days in March: 7.3 days

The month with the highest number of rainy days is March (7.3 days).
The month with the lowest number of rainy days is June (1.4 days).

Average sea temperature in March - San Clemente, CA
  • Average sea temperature in March: 59.3°F

The best month for swimming (with the highest average sea temperature) is August (68.3°F).
Coldest months (with the lowest average sea temperature) are January and February (58.9°F).

Average daylight in March / Average sunshine in March - San Clemente, CA
  • Average daylight in March: 12h

The month with the longest days is June (Average daylight: 14.3h).
The month with shortest days is December (Average daylight: 10h).

  • Average sunshine in March: 8.4h

Months with most sunshine are July and August (Average sunshine: 11.8h).
The month with least sunshine is December (Average sunshine: 6.5h).

Average UV index in March - San Clemente, CA
  • Average UV index in March: 4

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