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 marks a rise in the average high-temperature, moving from February's cold 36.1°F (2.3°C) to a frosty 45.3°F (7.4°C). The average low-temperature in Saint Clair during March nights is a subzero cold 29.3°F (-1.5°C).Humidity
The average relative humidity in March is 78%.Rainfall
In Saint Clair, during March, the rain falls for 14.2 days and regularly aggregates up to 2.76" (70mm) of precipitation. Throughout the year, there are 172.9 rainfall days, and 34.21" (869mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Saint Clair, in March, snow falls for 6.8 days, with typically accumulated 4.96" (126mm) of snow. Throughout the year, there are 39.7 snowfall days, and 20.47" (520mm) of snow is accumulated.Daylight
In Saint Clair, the average length of the day in March is 11h and 58min.On the first day of the month, sunrise is at 6:37 am and sunset at 5:56 pm EST. On the last day of March, sunrise is at 6:48 am and sunset at 7:28 pm EDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from EDT to EST.
Sunshine
In March, the average sunshine in Saint Clair is 6.2h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 2 in March suggests the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
What is the usual temperature for Saint Clair in March?
What is the average humidity in March in Saint Clair?
How much does it rain in Saint Clair in March?
How many days does it snow in March in Saint Clair?
What is the average length of the day in March in Saint Clair?
What time are sunrise and sunset in March in Saint Clair?
When does Daylight Saving Time (DST) start in March in Saint Clair?
How long on average sun shines in March in Saint Clair?
What is the month with the lowest UV index in Saint Clair?
What is the UV index reading in March in Saint Clair?
Average temperature in March
Saint Clair, PA
- Average high temperature in March: 45.3°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in March: 29.3°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in March
Saint Clair, PA
- Average pressure in March: 30.08"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in March
Saint Clair, PA
- Average wind speed in March: 8.4mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in March
Saint Clair, PA
- Average humidity in March: 78%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in March
Saint Clair, PA
- Average rainfall in March: 2.76"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in March
Saint Clair, PA
- Average rainfall days in March: 14.2 days
The month with the highest number of rainy days is May (18.7 days).
The months with the least rainy days are January and November (10.8 days).
Average snowfall in March
Saint Clair, PA
- Average snowfall in March: 4.96"
The month with the highest snowfall is January (5.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in March
Saint Clair, PA
- Average snowfall days in March: 6.8 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Saint Clair, PA
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in March: 6h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 24min).
Average sunshine days in March
Saint Clair, PA
- Average sunshine days in March: 11.9 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in March
Saint Clair, PA
- Average UV index in March: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in March
Saint Clair, PA
- Average cloud cover in March: 50
The months with the most cloud cover are February and December (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in March
Saint Clair, PA
- Average visibility in March: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Saint Clair, Pennsylvania, USA
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