March weather forecast
Ontario, NY

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Weather in March

The first month of the spring, March, is a cold month in Ontario, New York, with an average temperature fluctuating between 29.3°F (-1.5°C) and 38.8°F (3.8°C).

Temperature

The arrival of March introduces a minor uplift in high-temperatures, adjusting from a subzero cold 31.6°F (-0.2°C) in February to a wintry 38.8°F (3.8°C). In the month of March, Ontario experiences an average low-temperature of 29.3°F (-1.5°C).

Humidity

The average relative humidity in March in Ontario is 80%.

Rainfall

In March, in Ontario, the rain falls for 11.7 days. Throughout March, 2.17" (55mm) of precipitation is accumulated. In Ontario, during the entire year, the rain falls for 167.9 days and collects up to 31.18" (792mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Ontario, in March, during 10.1 snowfall days, 1.93" (49mm) of snow is typically accumulated. Throughout the year, there are 62.3 snowfall days, and 20.63" (524mm) of snow is accumulated.

Daylight

In Ontario, New York, the average length of the day in March is 11h and 58min.
On the first day of the month, sunrise is at 6:43 am and sunset at 5:58 pm EST. On the last day of March, in Ontario, sunrise is at 6:51 am and sunset at 7:34 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 Ontario, the average sunshine in March is 5.3h.

UV index

The average daily maximum UV index in March in Ontario is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: A maximum high daily UV index of 2 during March translates into the following directions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. It's recommended to limit sun exposure when its radiation is at its peak during midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in Ontario in March?

The high-temperature in Ontario during March is 38.8°F (3.8°C) and the low-temperature is 29.3°F (-1.5°C).

What is the average humidity in March in Ontario?

In March, the average relative humidity in Ontario, New York, is 80%.

How much does it rain in Ontario in March?

In Ontario, in March, it is raining for 11.7 days, with typically 2.17" (55mm) of accumulated precipitation.

How much does it snow in Ontario in March?

In Ontario, in March, during 10.1 snowfall days, 1.93" (49mm) of snow is typically accumulated.

What is the average length of the day in March in Ontario?

In March, the average day length in Ontario is 11h and 58min.

What time are sunrise and sunset in March in Ontario?

On the first day of March, sunrise is at 6:43 am and sunset at 5:58 pm EST. On the last day of the month, sunrise is at 6:51 am and sunset at 7:34 pm EDT.

When does Daylight Saving Time (DST) start in March in Ontario?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Ontario, and the time zone changes from EST to EDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How long on average sun shines in March in Ontario?

In March, the average sunshine duration in Ontario, New York, is 5.3h.

How high is the UV index in March in Ontario?

In Ontario, the average daily maximum UV index in March is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Ontario, NY

Average temperature in March - Ontario, NY
  • Average high temperature in March: 38.8°F

The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in March: 29.3°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).

Average pressure in March
Ontario, NY

Average pressure in March - Ontario, NY
  • Average pressure in March: 30.07"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in March
Ontario, NY

Average wind speed in March - Ontario, NY
  • Average wind speed in March: 11.8mph

The windiest month (with the highest average wind speed) is January (13.2mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).

Average humidity in March
Ontario, NY

Average humidity in March - Ontario, NY
  • Average humidity in March: 80%

The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are August and September (75%).

Average rainfall in March
Ontario, NY

Average rainfall in March - Ontario, NY
  • Average rainfall in March: 2.17"

The wettest month (with the highest rainfall) is October (3.23").
The driest month (with the least rainfall) is September (2.01").

Average rainfall days in March
Ontario, NY

Average rainfall days in March - Ontario, NY
  • Average rainfall days in March: 11.7 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (7.8 days).

Average snowfall in March
Ontario, NY

Average snowfall in March - Ontario, NY
  • Average snowfall in March: 1.93"

The month with the highest snowfall is February (5.98").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in March
Ontario, NY

Average snowfall days in March - Ontario, NY
  • Average snowfall days in March: 10.1 days

The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in March /
Average sunshine in March
Ontario, NY

Average daylight in March / Average sunshine in March - Ontario, NY
  • 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 0min).

  • Average sunshine in March: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).

Average sunshine days in March
Ontario, NY

Average sunshine days in March - Ontario, NY
  • Average sunshine days in March: 10.2 days

The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (7.3 days).

Average UV index in March
Ontario, NY

Average UV index in March - Ontario, NY
  • 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
Ontario, NY

Average cloud cover in March - Ontario, NY
  • Average cloud cover in March: 60

The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 27).

Average visibility in March
Ontario, NY

Average visibility in March - Ontario, NY
  • Average visibility in March: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

Ontario, New York, USA

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