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January Weather in Laval, Canada

Last updated: June 18, 2025

In January, the average temperature in Laval, Canada hovers around -8°C (18°F). Be prepared for chilly extremes, as temperatures can plummet to a frigid -31°C (-24°F), while occasionally rising to a mild 10°C (50°F). During this month, expect 84 mm (3.3 in) of precipitation spread over about 10 days, along with a high average humidity of 93%. Bundle up and stay warm!

January Temperature in Laval

In January in Laval, the average temperature is -8°C (18°F). Maximums can reach 10°C (50°F), while minimums can drop as low as -31°C (-24°F). Travelers should be prepared for cold weather and pack accordingly, with layers and winter gear to ensure comfort during their stay.

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

The chart illustrates January temperature patterns in Laval, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Laval, January typically has an average temperature of -8°C (18°F), with highs reaching up to 10°C (50°F) and lows dropping to around -31°C (-24°F).
JanFebMarAprMayJunJulAugSepOctNovDec172028425666727062513624
Data source: Temperature data for Laval generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Laval

In Laval in January, the precipitation amount is 84 mm (3.3 in) over a span of 10 days.

January Precipitation Trends in Laval

The chart displays monthly precipitation patterns in Laval, 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 Laval, January typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec848585120969789996913211589
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Laval

In Laval 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 Laval

This chart illustrates the average monthly humidity levels in Laval, 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 Laval 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 Laval

In Laval 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 Laval, you can visit Hourly UV Index in Laval.

Maximum UV Index Levels in Laval for January

The chart shows the monthly maximum UV Index (UVI) for Laval 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 Laval typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245799887532
Data source: Laval 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 Laval Compares to Other Months

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

This table compares monthly weather conditions in Laval, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)84 mm (3.3 inches)93%low
February Weather-7°C (20°F)85 mm (3.3 inches)92%moderate
March Weather-2°C (29°F)85 mm (3.3 inches)86%moderate
April Weather6°C (42°F)120 mm (4.7 inches)85%high
May Weather13°C (56°F)96 mm (3.8 inches)80%very high
June Weather19°C (67°F)97 mm (3.8 inches)74%very high
July Weather22°C (73°F)89 mm (3.5 inches)76%very high
August Weather21°C (71°F)98 mm (3.9 inches)75%very high
September Weather17°C (62°F)69 mm (2.7 inches)78%high
October Weather10°C (51°F)132 mm (5.2 inches)86%moderate
November Weather2°C (36°F)115 mm (4.5 inches)88%moderate
December Weather-4°C (24°F)89 mm (3.5 inches)89%low

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