March weather forecast
Ontario, WI

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Weather in March

The first month of the spring, March, is a wintry month in Ontario, Wisconsin, with an average temperature varying between 40.5°F (4.7°C) and 25.9°F (-3.4°C).

Temperature

The onset of March marks a clear increase in the average high-temperature, escalating from a subzero cold 26.1°F (-3.3°C) in February to an icy 40.5°F (4.7°C). An average nighttime temperature of 25.9°F (-3.4°C) is noted during the month of March.

Humidity

In Ontario, the average relative humidity in March is 82%.

Rainfall

In March, the rain falls for 9.8 days. Throughout March, 1.81" (46mm) of precipitation is accumulated. In Ontario, during the entire year, the rain falls for 131.7 days and collects up to 27.83" (707mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Ontario, during March, snow falls for 6.8 days and regularly aggregates up to 2.68" (68mm) of snow. Throughout the year, in Ontario, there are 50.2 snowfall days, and 21.69" (551mm) of snow is accumulated.

Daylight

In March, the average length of the day is 11h and 58min.
On the first day of the month, sunrise is at 6:37 am and sunset at 5:51 pm CST. On the last day of March, sunrise is at 6:44 am and sunset at 7:28 pm CDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from CDT to CST.

Sunshine

In March, the average sunshine is 5.5h.

UV index

The average daily maximum UV index in March is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 2 during March translates into these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.

Frequently asked questions

How cold does it get in Ontario in March?

The high-temperature, in March, in Ontario, records 40.5°F (4.7°C), while the low-temperature is 25.9°F (-3.4°C).

What is the average humidity in March?

In March, the average relative humidity is 82%.

How many days does it rain in March?

In March, the rain falls for 9.8 days. Throughout March, 1.81" (46mm) of precipitation is accumulated.

How many days does it snow in March?

In Ontario, in March, during 6.8 snowfall days, 2.68" (68mm) of snow is typically accumulated.

What is the average length of the day in March?

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

When are sunrise and sunset in March?

On the first day of March, sunrise is at 6:37 am and sunset at 5:51 pm CST. On the last day of the month, sunrise is at 6:44 am and sunset at 7:28 pm CDT.

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

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

How long on average sun shines in March?

In Ontario, the average sunshine duration in March is 5.5h.

What is the UV index intensity in March?

In Ontario, the average daily maximum UV index in March is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to Sun's UV rays.
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, WI

Average temperature in March - Ontario, WI
  • Average high temperature in March: 40.5°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (22.1°F).

  • Average low temperature in March: 25.9°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (9.3°F).

Average pressure in March
Ontario, WI

Average pressure in March - Ontario, WI
  • Average pressure in March: 30.09"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in March
Ontario, WI

Average wind speed in March - Ontario, WI
  • Average wind speed in March: 8.8mph

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in March
Ontario, WI

Average humidity in March - Ontario, WI
  • Average humidity in March: 82%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (77%).

Average rainfall in March
Ontario, WI

Average rainfall in March - Ontario, WI
  • Average rainfall in March: 1.81"

The wettest month (with the highest rainfall) is June (4.17").
The driest month (with the least rainfall) is January (1.1").

Average rainfall days in March
Ontario, WI

Average rainfall days in March - Ontario, WI
  • Average rainfall days in March: 9.8 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (3.5 days).

Average snowfall in March
Ontario, WI

Average snowfall in March - Ontario, WI
  • Average snowfall in March: 2.68"

The month with the highest snowfall is February (5.87").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in March
Ontario, WI

Average snowfall days in March - Ontario, WI
  • Average snowfall days in March: 6.8 days

The month with the highest number of snowfall days is January (12.3 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, WI

Average daylight in March / Average sunshine in March - Ontario, WI
  • 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 3min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in March
Ontario, WI

Average sunshine days in March - Ontario, WI
  • Average sunshine days in March: 16.3 days

The month with the most sunshine days is December (17.5 days).
The month with the least sunshine days is June (10.4 days).

Average UV index in March
Ontario, WI

Average UV index in March - Ontario, WI
  • 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, November and December (UV index 1).

Average cloud cover in March
Ontario, WI

Average cloud cover in March - Ontario, WI
  • Average cloud cover in March: 55

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in March
Ontario, WI

Average visibility in March - Ontario, WI
  • Average visibility in March: 5mi

The months with the highest visibility are April, May, June, October and November (6mi).
The month with the lowest visibility is January (4mi).

Ontario, Wisconsin, USA

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