Contents
- Weather in March
- Frequently asked questions
- Average temperature in March
- Average pressure in March
- Average wind speed in March
- Average humidity in March
- Average rainfall in March
- Average rainfall days in March
- Average snowfall in March
- Average snowfall days in March
- Average daylight in March
- Average sunshine in March
- Average sunshine days in March
- Average UV index in March
- Average cloud cover in March
- Average visibility in March
Weather in March
Temperature
March's average high-temperature is a comfortable 61.5°F (16.4°C), maintaining a close comparison with February's 59.2°F (15.1°C). Saint Helena observes an average nighttime low-temperature of 40.5°F (4.7°C) during the month of March.Humidity
With an average relative humidity of 76%, March is the most humid month.Rainfall
In Saint Helena, in March, it is raining for 13.5 days, with typically 2.64" (67mm) of accumulated precipitation. In Saint Helena, during the entire year, the rain falls for 76.2 days and collects up to 16.93" (430mm) of precipitation.Snowfall
March is the only month when snow falls in Saint Helena, California. March is the month with the most snowfall in Saint Helena, California. Snow falls for 0.2 days and accumulates 0.04" (1mm) of snow.Daylight
In March, the average length of the day in Saint Helena is 11h and 59min.On the first day of March in Saint Helena, sunrise is at 6:40 am and sunset at 6:03 pm PST. On the last day of the month, sunrise is at 6:54 am and sunset at 7:32 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
In Saint Helena, California, the average sunshine in March is 7h.UV index
In Saint Helena, the average daily maximum UV index in March is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 4 during March leads to these advisories:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
What are the temperatures in Saint Helena in March?
What is the most humid month in Saint Helena?
What is the average humidity in March in Saint Helena?
How many days does it rain in March in Saint Helena?
What is the snowiest month in Saint Helena?
When does it start snowing in Saint Helena?
What is the average length of the day in March in Saint Helena?
What time are sunrise and sunset in March in Saint Helena?
When does Daylight Saving Time (DST) start in March in Saint Helena?
How many hours of sunshine does Saint Helena have in March?
How high is the UV index in March in Saint Helena?
Average temperature in March
Saint Helena, CA
- Average high temperature in March: 61.5°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (54.5°F).
- Average low temperature in March: 40.5°F
The month with the highest average low temperature is September (54.3°F).
The coldest month (with the lowest average low temperature) is December (39.6°F).
Average pressure in March
Saint Helena, CA
- Average pressure in March: 30.07"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).
Average wind speed in March
Saint Helena, CA
- Average wind speed in March: 5.3mph
The windiest month (with the highest average wind speed) is May (5.8mph).
The calmest month (with the lowest average wind speed) is November (4.3mph).
Average humidity in March
Saint Helena, CA
- Average humidity in March: 76%
The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (53%).
Average rainfall in March
Saint Helena, CA
- Average rainfall in March: 2.64"
The wettest month (with the highest rainfall) is February (3.7").
The driest month (with the least rainfall) is July (0").
Average rainfall days in March
Saint Helena, CA
- Average rainfall days in March: 13.5 days
The month with the highest number of rainy days is March (13.5 days).
The month with the least rainy days is August (0.3 days).
Average snowfall in March
Saint Helena, CA
- Average snowfall in March: 0.04"
The month with the highest snowfall is March (0.04").
The months with the least snowfall are January, February, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in March
Saint Helena, CA
- Average snowfall days in March: 0.2 days
The month with the highest number of snowfall days is March (0.2 days).
The months with the least snowfall days are January, February, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in March /
Average sunshine in March
Saint Helena, 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 30min).
- Average sunshine in March: 7h and 0min
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 18min).
Average sunshine days in March
Saint Helena, CA
- Average sunshine days in March: 15.9 days
The month with the most sunshine days is July (30 days).
The month with the least sunshine days is March (15.9 days).
Average UV index in March
Saint Helena, CA
- Average UV index in March: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in March
Saint Helena, CA
- Average cloud cover in March: 44
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in March
Saint Helena, CA
- Average visibility in March: 5mi
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and March (5mi).
Saint Helena, California, USA
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