March weather forecastOshawa, Canada
March
Weather in March
March sees the slow, yet steady advent of spring in Oshawa. The month witnesses a significant leap in temperature, rising to a maximum of 2.6°C (36.7°F), offering a refreshing break from the frosty winter. Snowfall reduces drastically, and the number of rainfall days increases, signifying the transition to spring. Turbulent weather often brings gusty winds and cloudy days, while the extended daylight hours present more opportunities for outdoor activities.Temperature
March introduces a minor temperature shift, with average high-temperatures adjusting from February's freezing cold -2.2°C (28°F) to a wintry 2.6°C (36.7°F). Oshawa, during the month of March, experiences an average low-temperature of -3.3°C (26.1°F).Humidity
The average relative humidity in March in Oshawa is 80%.Rainfall
In Oshawa, in March, it is raining for 11.3 days, with typically 45mm (1.77") of accumulated precipitation. Throughout the year, in Oshawa, there are 158.8 rainfall days, and 693mm (27.28") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Oshawa, during March, snow falls for 7.3 days and regularly aggregates up to 39mm (1.54") of snow. In Oshawa, during the entire year, snow falls for 51.4 days and aggregates up to 383mm (15.08") of snow.Sea temperature
March is the month with the coldest seawater, with an average sea temperature of 2.3°C (36.1°F).Note: While swimming, this is identified as life-endangering and very dangerous. The water's freezing temperatures cause intense discomfort and induce rapid hyperventilation. A specialized swimsuit is mandatory to mitigate thermal damage.
Daylight
In Oshawa, the average length of the day in March is 11h and 58min.On the first day of the month, sunrise is at 6:50 am and sunset at 6:04 pm EST. On the last day of March, sunrise is at 6:57 am and sunset at 7:41 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
The average sunshine in March in Oshawa is 5.4h.UV index
In Oshawa, the average daily maximum UV index in March is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In March, the maximum UV index of 2 translates into these guidelines:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Oshawa, Canada
- Average high temperature in March: 2.6°C
The warmest month (with the highest average high temperature) is July (24.4°C).
The month with the lowest average high temperature is January (-2.9°C).
- Average low temperature in March: -3.3°C
The month with the highest average low temperature is August (16.8°C).
The coldest month (with the lowest average low temperature) is January (-8.3°C).
Average pressure in March
Oshawa, Canada
- Average pressure in March: 1018.3mbar
The month with the highest atmospheric pressure is March (1018.3mbar).
The month with the lowest atmospheric pressure is June (1013mbar).
Average wind speed in March
Oshawa, Canada
- Average wind speed in March: 17.2km/h
The windiest month (with the highest average wind speed) is January (18.7km/h).
The calmest month (with the lowest average wind speed) is July (11.4km/h).
Average humidity in March
Oshawa, Canada
- Average humidity in March: 80%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (76%).
Average rainfall in March
Oshawa, Canada
- Average rainfall in March: 45mm
The wettest month (with the highest rainfall) is August (73mm).
The driest months (with the least rainfall) are February and November (43mm).
Average rainfall days in March
Oshawa, Canada
- Average rainfall days in March: 11.3 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in March
Oshawa, Canada
- Average snowfall in March: 39mm
The month with the highest snowfall is February (110mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in March
Oshawa, Canada
- Average snowfall days in March: 7.3 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in March
Oshawa, Canada
- Average sea temperature in March: 2.3°C
The best month for swimming (with the highest average sea temperature) is August (22.4°C).
The coldest month (with the lowest average sea temperature) is March (2.3°C).
Average daylight in March /
Average sunshine in March
Oshawa, Canada
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in March: 5h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in March
Oshawa, Canada
- Average sunshine days in March: 13.8 days
The month with the most sunshine days is November (14.9 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in March
Oshawa, Canada
- 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 and December (UV index 1).
Average cloud cover in March
Oshawa, Canada
- Average cloud cover in March: 57
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in March
Oshawa, Canada
- Average visibility in March: 9km
The months with the highest visibility are August and September (10km).
The month with the lowest visibility is January (8km).





