nomadseason

January Weather in Granby, Canada

Last updated: June 18, 2025

In Granby, Canada, January brings chilly conditions with an average temperature of -8°C (18°F). The temperatures can plunge to a frigid -33°C (-27°F) at their lowest and peak at a milder 13°C (56°F). Expect significant precipitation, totaling 91 mm (3.6 in) over about 12 days, and be prepared for high humidity levels, averaging around 93%.

January Temperature in Granby

In January in Granby, the average temperature is -8°C (18°F). Maximum temperatures can reach 13°C (56°F), while minimums can plunge as low as -33°C (-27°F). Travelers should be prepared for extreme cold and significant temperature fluctuations.

January Weather in Granby: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Granby, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Granby, January typically has an average temperature of -8°C (18°F), with highs reaching up to 13°C (56°F) and lows dropping to around -33°C (-27°F).
JanFebMarAprMayJunJulAugSepOctNovDec182028425665706860493424
Data source: Temperature data for Granby generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Granby

In Granby in January, the precipitation amount is 91 mm (3.6 in) over a period of 12 days.

January Precipitation Trends in Granby

The chart displays monthly precipitation patterns in Granby, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Granby, January typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec9184871171021171111156914112285
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Granby

In Granby in January humidity is 93%. With an average temperature of -8°C (18°F), this humidity feels like a bone-chilling dampness that seeps into your clothes, making even the briefest moments outside feel uncomfortable and heavy, as if you're trudging through a misty, cold cloud that wraps around you.

January Average Humidity in Granby

This chart illustrates the average monthly humidity levels in Granby, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Granby is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%86%85%80%74%76%75%78%86%89%89%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Granby

In Granby in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Granby, you can visit Hourly UV Index in Granby.

Maximum UV Index Levels in Granby for January

The chart shows the monthly maximum UV Index (UVI) for Granby in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Granby typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245899887532
Data source: Granby January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How January Weather in Granby Compares to Other Months

Weather in Granby varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Granby, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Granby, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)91 mm (3.6 inches)93%low
February Weather-7°C (20°F)84 mm (3.3 inches)92%moderate
March Weather-2°C (29°F)87 mm (3.4 inches)86%moderate
April Weather6°C (43°F)117 mm (4.6 inches)85%very high
May Weather13°C (56°F)102 mm (4.0 inches)80%very high
June Weather18°C (65°F)117 mm (4.6 inches)74%very high
July Weather21°C (70°F)111 mm (4.4 inches)76%very high
August Weather20°C (68°F)115 mm (4.5 inches)75%very high
September Weather16°C (60°F)69 mm (2.7 inches)78%high
October Weather10°C (49°F)141 mm (5.5 inches)86%moderate
November Weather1°C (34°F)122 mm (4.8 inches)88%moderate
December Weather-5°C (24°F)85 mm (3.3 inches)89%low

Compare Granby's Climate with Cities Worldwide