March weather forecast
Monterey, CA

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

Weather in March

March in Monterey sees a transition as the winter season gives way to spring. Rainfall increases to the highest point of the year at 2.13" (54mm), falling over 12.5 days, the most amongst all months. However, the long, pleasant days, with 12 hours of daylight, bring a sense of spring into the air. Despite the high levels of rain and relatively high humidity of 76%, daylight hours increase dramatically, allowing for more time outdoors. Hence March in Monterey is a transitional month, featuring the heaviest rainfall amidst increasing daylight hours, indicative of the arrival of spring.

Temperature

March's weather records an average high-temperature of a still mild 59.5°F (15.3°C), showing little deviation from February. During the nights in March, Monterey observes an average low-temperature of 46.4°F (8°C).

Humidity

The months with the highest humidity in Monterey are March and May, with an average relative humidity of 76%.

Rainfall

In Monterey, during March, the rain falls for 12.5 days and regularly aggregates up to 2.13" (54mm) of precipitation. Throughout the year, in Monterey, there are 73.6 rainfall days, and 11.77" (299mm) of precipitation is accumulated.

Ocean temperature

In Monterey, in March, the average water temperature is 54.5°F (12.5°C).
Note: Swimming in 54.5°F (12.5°C) at temperatures under 50°F (10°C) requires thermal swimsuits; otherwise, one can face cold shock and breathing difficulty. Even brief immersion at 55.4°F (13°C) feels frosty.

Daylight

In Monterey, the average length of the day in March is 11h and 59min.
On the first day of the month, sunrise is at 6:36 am and sunset at 6:02 pm PST. On the last day of March, in Monterey, sunrise is at 6:53 am and sunset at 7:29 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

The average sunshine in March is 8.1h.

UV index

In Monterey, the average daily maximum UV index in March is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index, 4 during March, leads to the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.

Frequently asked questions

What is the temperature in March in Monterey?

The average high-temperature and low-temperature in Monterey, California, during March are 59.5°F (15.3°C) and 46.4°F (8°C) respectively.

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

How many days does it rain in March in Monterey?

In March, the rain falls for 12.5 days. Throughout March, 2.13" (54mm) of precipitation is accumulated.

How cold is the water in March in Monterey?

In March, the average ocean temperature in Monterey is 54.5°F (12.5°C). 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.

How many hours of daylight does Monterey have in March?

In March, the average day length in Monterey, California, is 11h and 59min.

When are sunrise and sunset in March in Monterey?

In March, on the first day of the month, sunrise is at 6:36 am and sunset at 6:02 pm PST. On the last day of the month, sunrise is at 6:53 am and sunset at 7:29 pm PDT.

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

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

In March, the average sunshine duration in Monterey is 8.1h.

What is the UV index reading in March in Monterey?

In Monterey, the average daily maximum UV index in March is 4. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to 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 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

The 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).

Average pressure in March
Monterey, CA

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

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

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).

Average humidity in March
Monterey, CA

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

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

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").

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).

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).

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 and 0min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in March: 8h and 1min

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 0min).

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).

Average UV index in March
Monterey, CA

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

The 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).

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).

Average visibility in March
Monterey, CA

Average visibility in March - Monterey, 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).

Monterey, California, USA

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