January weather forecast
Guelph, Canada

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Weather in January

Looking at the monthly climatological parameters, January in Guelph, Canada harbors frigid temperatures, typically reaching its lows with temperatures varying from -9.4°C (15.1°F) to -3.8°C (25.2°F). Foggy mornings and frosty afternoons are not uncommon, setting the tone for a period of harsh winter. Icy conditions, coupled with average relative humidity measured at 89%, make it feel even colder. Comparatively, this month is less gusty than the forthcoming February, granting some relief against wind chill factors. White landscapes are a common sight this month, as snowfall often blankets the city and surrounding regions.

Temperature

January is the month when Guelph sees the lowest average temperatures, with a high of -3.8°C (25.2°F) and a low of -9.4°C (15.1°F).

Humidity

January is the most humid month, with an average relative humidity of 89%.

Rainfall

In January, in Guelph, the rain falls for 9.3 days. Throughout January, 58mm (2.28") of precipitation is accumulated. Throughout the year, in Guelph, there are 172.5 rainfall days, and 727mm (28.62") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Guelph, in January, snow falls for 18.9 days, with typically accumulated 140mm (5.51") of snow. In Guelph, Canada, during the entire year, snow falls for 82 days and aggregates up to 703mm (27.68") of snow.

Daylight

In January, the average length of the day is 9h and 23min.
On the first day of January in Guelph, sunrise is at 7:54 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:30 pm EST.

Sunshine

With an average of 2.6h of sunshine, January has the least sunshine of the year.

UV index

January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: During January, 1 as the daily maximum UV index converts into the following advice:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What time of the year is the coldest in Guelph?

January, known for its average high temperature of -3.8°C (25.2°F) and an average low temperature of -9.4°C (15.1°F), is the coldest month.

How cold is it in Guelph in January?

Guelph in January has an average high-temperature of -3.8°C (25.2°F) and an average low-temperature of -9.4°C (15.1°F).

What is the most humid month in Guelph?

With an average relative humidity of 89%, January is the most humid month in Guelph, Canada.

What is the average humidity in January in Guelph?

In Guelph, Canada, the average relative humidity in January is 89%.

How many days does it rain in January in Guelph?

In Guelph, in January, during 9.3 rainfall days, 58mm (2.28") of precipitation is typically accumulated.

How many days does it snow in January in Guelph?

In Guelph, Canada, in January, during 18.9 snowfall days, 140mm (5.51") of snow is typically accumulated.

What is the average length of the day in January in Guelph?

In January, the average day length in Guelph is 9h and 23min.

When is the sunrise / sunset in January in Guelph?

In January, on the first day of the month, sunrise is at 7:54 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:30 pm EST.

What is the month with the least sunshine in Guelph?

The month with the least sunshine in Guelph is January, with an average of 2.6h of sunshine.

How many hours of sunshine does Guelph have in January?

The average sunshine duration in January in Guelph, Canada, is 2.6h.

What are the months with the lowest UV index in Guelph?

The months with the lowest UV index in Guelph, Canada, are January, February and December, with an average maximum UV index of 1.

How high is the UV index in January in Guelph?

In Guelph, the average daily maximum UV index in January is 1. A UV Index reading of 2, and below, represents a minimal hazard to health 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 January
Guelph, Canada

Average temperature in January - Guelph, Canada
  • Average high temperature in January: -3.8°C

The warmest month (with the highest average high temperature) is July (24.8°C).
The month with the lowest average high temperature is January (-3.8°C).

  • Average low temperature in January: -9.4°C

The month with the highest average low temperature is July (15°C).
The coldest month (with the lowest average low temperature) is January (-9.4°C).

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Average pressure in January
Guelph, Canada

Average pressure in January - Guelph, Canada
  • Average pressure in January: 1017.2mbar

The month with the highest atmospheric pressure is March (1018.5mbar).
The month with the lowest atmospheric pressure is June (1013.2mbar).

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Average wind speed in January
Guelph, Canada

Average wind speed in January - Guelph, Canada
  • Average wind speed in January: 17.6km/h

The windiest month (with the highest average wind speed) is January (17.6km/h).
The calmest month (with the lowest average wind speed) is July (10.8km/h).

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Average humidity in January
Guelph, Canada

Average humidity in January - Guelph, Canada
  • Average humidity in January: 89%

The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and May (76%).

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Average rainfall in January
Guelph, Canada

Average rainfall in January - Guelph, Canada
  • Average rainfall in January: 58mm

The wettest month (with the highest rainfall) is May (75mm).
The driest month (with the least rainfall) is September (41mm).

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Average rainfall days in January
Guelph, Canada

Average rainfall days in January - Guelph, Canada
  • Average rainfall days in January: 9.3 days

The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is February (6.8 days).

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Average snowfall in January
Guelph, Canada

Average snowfall in January - Guelph, Canada
  • Average snowfall in January: 140mm

The month with the highest snowfall is February (162mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in January
Guelph, Canada

Average snowfall days in January - Guelph, Canada
  • Average snowfall days in January: 18.9 days

The month with the highest number of snowfall days is January (18.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Guelph, Canada

Average daylight in January / Average sunshine in January - Guelph, Canada
  • Average daylight in January: 9h and 2min

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 January: 2h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).

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Average sunshine days in January
Guelph, Canada

Average sunshine days in January - Guelph, Canada
  • Average sunshine days in January: 7.3 days

The month with the most sunshine days is September (11.5 days).
The months with the least sunshine days are January and February (7.3 days).

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Average UV index in January
Guelph, Canada

Average UV index in January - Guelph, Canada
  • Average UV index in January: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

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Average cloud cover in January
Guelph, Canada

Average cloud cover in January - Guelph, Canada
  • Average cloud cover in January: 73

The month with the most cloud cover is January (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 33).

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Average visibility in January
Guelph, Canada

Average visibility in January - Guelph, Canada
  • Average visibility in January: 8km

The months with the highest visibility are April, May, June, July, August and October (9km).
The months with the lowest visibility are January, February, March, September, November and December (8km).

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Guelph, Canada

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