March weather forecastSarnia, Canada
March
Weather in March
March, the first month of the spring in Sarnia, is a wintry month, with an average temperature varying between -2.4°C (27.7°F) and 4.2°C (39.6°F).Temperature
With the onset of March, Sarnia's average high-temperature sees a rise, moving from February's subzero cold -1.1°C (30°F) to a wintry 4.2°C (39.6°F). In March, Sarnia reports a consistent average low-temperature of -2.4°C (27.7°F) during the nights.Humidity
The average relative humidity in March in Sarnia is 79%.Rainfall
In Sarnia, in March, during 10 rainfall days, 33mm (1.3") of precipitation is typically accumulated. In Sarnia, during the entire year, the rain falls for 140.4 days and collects up to 493mm (19.41") of precipitation.Snowfall
January through May, October through December are months with snowfall in Sarnia, Canada. In March, it is snowing for 8.2 days. Throughout March, 35mm (1.38") of snow is accumulated. In Sarnia, Canada, during the entire year, snow falls for 55.2 days and aggregates up to 312mm (12.28") of snow.Sea temperature
The months with the coldest seawater in Sarnia, Canada, are February and March, with an average sea temperature of 0.3°C (32.5°F).Note: In the activity of swimming, this is perceived as lethal and exceedingly dangerous. The cold water elicits sharp pain and instant hyperventilation. A specialized swimsuit is crucial to mitigate thermal detriment.
Daylight
In March, the average length of the day is 11h and 58min.On the first day of the month, sunrise is at 7:04 am and sunset at 6:19 pm EST. On the last day of March, in Sarnia, sunrise is at 7:11 am and sunset at 7:55 pm EDT.
Note: On Sunday, 10. March 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time lasts until Sunday, 03. November 2024, at 2:00 am; consequently, the time zone reverts from EDT to EST.
Sunshine
In Sarnia, the average sunshine in March is 5.1h.UV index
The average daily maximum UV index in March in Sarnia is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In March, the maximum UV index of 2 translates into these guidelines:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Sarnia, Canada
- Average high temperature in March: 4.2°C
The warmest month (with the highest average high temperature) is July (25.8°C).
The month with the lowest average high temperature is January (-2.3°C).
- Average low temperature in March: -2.4°C
The month with the highest average low temperature is July (16.3°C).
The coldest month (with the lowest average low temperature) is January (-7.5°C).
Average pressure in March
Sarnia, Canada
- Average pressure in March: 1018.8mbar
The month with the highest atmospheric pressure is March (1018.8mbar).
The month with the lowest atmospheric pressure is June (1013.5mbar).
Average wind speed in March
Sarnia, Canada
- Average wind speed in March: 17km/h
The windiest month (with the highest average wind speed) is January (18.2km/h).
The calmest month (with the lowest average wind speed) is July (11km/h).
Average humidity in March
Sarnia, Canada
- Average humidity in March: 79%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in March
Sarnia, Canada
- Average rainfall in March: 33mm
The wettest month (with the highest rainfall) is May (54mm).
The driest month (with the least rainfall) is February (28mm).
Average rainfall days in March
Sarnia, Canada
- Average rainfall days in March: 10 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in March
Sarnia, Canada
- Average snowfall in March: 35mm
The month with the highest snowfall is February (99mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in March
Sarnia, Canada
- Average snowfall days in March: 8.2 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in March
Sarnia, Canada
- Average sea temperature in March: 0.3°C
The best month for swimming (with the highest average sea temperature) is August (23.2°C).
The coldest months (with the lowest average sea temperature) are February and March (0.3°C).
Average daylight in March /
Average sunshine in March
Sarnia, Canada
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in March: 5h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in March
Sarnia, Canada
- Average sunshine days in March: 14.8 days
The month with the most sunshine days is November (15.2 days).
The month with the least sunshine days is February (11.3 days).
Average UV index in March
Sarnia, Canada
- Average UV index in March: 2
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in March
Sarnia, Canada
- Average cloud cover in March: 57
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in March
Sarnia, Canada
- Average visibility in March: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
