March weather forecast and climate
Monterey, CA

The rugged mountainous coast of Big Sur in Monterey, California
The rugged mountainous coast of Big Sur in Monterey, California

Weather in March

The first month of the spring, March, is still a mild month in Monterey, California, with average temperature fluctuating between 59.5°F (15.3°C) and 46.4°F (8°C).

Temperature

In March, the average high-temperature is practically the same as in February - a still mild 59.5°F (15.3°C). The average low-temperature, in March, is 46.4°F (8°C).

Humidity

Months with the highest humidity are March and May, with an average relative humidity of 76%.

Rainfall

In Monterey, it is raining for 12.5 days, with typically 2.13" (54mm) of accumulated precipitation. In Monterey, during the entire year, the rain falls for 73.6 days and collects up to 11.77" (299mm) of precipitation.

Ocean temperature

In Monterey, the average water temperature is 54.5°F (12.5°C).
Note: Swimming in 54.5°F (12.5°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

In Monterey, the average length of the day is 12h.

Sunshine

In Monterey, the average sunshine is 8.1h.

UV index

In March, the average daily maximum UV index in Monterey, California, is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV rays for the average person.
Note: In March, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in March in Monterey?

In March, the average high-temperature is 59.5°F (15.3°C), and the average low-temperature is 46.4°F (8°C).

What are the most humid months in Monterey?

March and May, with an average relative humidity of 76%, are most humid months.

What is the average humidity in March in Monterey?

In March, the average relative humidity in Monterey, California, is 76%.

How many days does it rain in March in Monterey?

In Monterey, California, during March, the rain falls for 12.5 days and regularly aggregates up to 2.13" (54mm) of precipitation.

What is the ocean temperature in March in Monterey?

In March, the average ocean temperature in Monterey, California, is 54.5°F (12.5°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

What is the average length of the day in March in Monterey?

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

How long on average sun shines in March in Monterey?

The average sunshine in March in Monterey is 8.1h.

How high is the UV index in March in Monterey?

The average daily maximum UV index in March in Monterey 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
Monterey, CA

Average temperature in March - Monterey, CA
  • Average high temperature in March: 59.5°F

The warmest month (with the highest average high temperature) is September (72.5°F).
The month with the lowest average high temperature is December (57.2°F).

  • Average low temperature in March: 46.4°F

Months with the highest average low temperature are August and September (55.2°F).
The coldest month (with the lowest average low temperature) is February (46°F).

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Average pressure in March
Monterey, CA

Average pressure in March - Monterey, CA
  • Average pressure in March: 30.08"

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is September (29.92").

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Average wind speed in March
Monterey, CA

Average wind speed in March - Monterey, CA
  • Average wind speed in March: 7.2mph

The windiest months (with the highest average wind speed) are April and May (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in March
Monterey, CA

Average humidity in March - Monterey, CA
  • Average humidity in March: 76%

Months with the highest relative humidity are March and May (76%).
The month with the lowest relative humidity is November (68%).

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Average rainfall in March
Monterey, CA

Average rainfall in March - Monterey, CA
  • Average rainfall in March: 2.13"

The wettest month (with the highest rainfall) is December (2.4").
The driest months (with the least rainfall) are July and August (0.08").

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Average rainfall days in March
Monterey, CA

Average rainfall days in March - Monterey, CA
  • Average rainfall days in March: 12.5 days

The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is August (1.1 days).

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Average sea temperature in March
Monterey, CA

Average sea temperature in March - Monterey, CA
  • Average sea temperature in March: 54.5°F

The best months for swimming (with the highest average sea temperature) are August and September (58.1°F).
The coldest month (with the lowest average sea temperature) is April (53.8°F).

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

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

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in March: 8.1h

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

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Average sunshine days in March
Monterey, CA

Average sunshine days in March - Monterey, CA
  • Average sunshine days in March: 16.8 days

The month with the most sunshine days is July (27.3 days).
The month with the least sunshine days is March (16.8 days).

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Average UV index in March
Monterey, CA

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

Months with the highest UV index are June, July, August and September (UV index 5).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in March
Monterey, CA

Average cloud cover in March - Monterey, CA
  • Average cloud cover in March: 34

The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 9).

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Average visibility in March
Monterey, CA

Average visibility in March - Monterey, CA
  • Average visibility in March: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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