March weather forecastHercules, CA
March
Weather in March
The first month of the spring, March, is an enjoyable month in Hercules, California, with an average temperature fluctuating between 46°F (7.8°C) and 61°F (16.1°C).Temperature
March's onset brings an average high-temperature of a comfortable 61°F (16.1°C), showing a minute difference from February's 58.8°F (14.9°C). Hercules's average low-temperature is measured at a frosty 46°F (7.8°C) during March.Humidity
March is the most humid month in Hercules, with an average relative humidity of 74%.Rainfall
In Hercules, California, in March, it is raining for 12.6 days, with typically 2.09" (53mm) of accumulated precipitation. Throughout the year, there are 72.2 rainfall days, and 12.83" (326mm) of precipitation is accumulated.Ocean temperature
In March, the average ocean temperature is 53.4°F (11.9°C).Note: Swimming in 53.4°F (11.9°C) feels unbearing at 55.4°F (13°C) and can be life-risking below 50°F (10°C), causing breathing issues and cold shock, depending on a person's capacity.
Daylight
In March, the average length of the day is 11h and 59min.On the first day of March, sunrise is at 6:39 am and sunset at 6:03 pm PST. On the last day of the month, sunrise is at 6:54 am and sunset at 7:31 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 7.7h.UV index
In Hercules, the average daily maximum UV index in March is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 4 in March translates into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Hercules, CA
- Average high temperature in March: 61°F
The warmest month (with the highest average high temperature) is September (77.5°F).
The month with the lowest average high temperature is December (55.4°F).
- Average low temperature in March: 46°F
The month with the highest average low temperature is August (56.8°F).
The coldest months (with the lowest average low temperature) are January and December (43.9°F).
Average pressure in March
Hercules, CA
- Average pressure in March: 30.07"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in March
Hercules, CA
- Average wind speed in March: 6.5mph
The windiest month (with the highest average wind speed) is May (7.5mph).
The calmest month (with the lowest average wind speed) is November (4.8mph).
Average humidity in March
Hercules, CA
- Average humidity in March: 74%
The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are September and October (63%).
Average rainfall in March
Hercules, CA
- Average rainfall in March: 2.09"
The wettest month (with the highest rainfall) is February (2.76").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in March
Hercules, CA
- Average rainfall days in March: 12.6 days
The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is August (1.1 days).
Average sea temperature in March
Hercules, CA
- Average sea temperature in March: 53.5°F
The best month for swimming (with the highest average sea temperature) is September (57°F).
The coldest month (with the lowest average sea temperature) is April (52.6°F).
Average daylight in March /
Average sunshine in March
Hercules, CA
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in March: 7h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in March
Hercules, CA
- Average sunshine days in March: 16.4 days
The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is March (16.4 days).
Average UV index in March
Hercules, CA
- Average UV index in March: 4
The months with the highest UV index are April, May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in March
Hercules, CA
- Average cloud cover in March: 37
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in March
Hercules, 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).
