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January Weather in Farnham, Canada

Last updated: June 18, 2025

In January, the average temperature in Farnham, Canada hovers around -8°C (18°F), with extremes that can dip as low as -31°C (-24°F) and reach up to 12°C (54°F). During this month, residents can expect about 89 mm (3.5 in) of precipitation over approximately 12 days. Notably, the average humidity is a damp 93%, making for a chilly and wet experience throughout the month.

January Temperature in Farnham

In January in Farnham, the average temperature is -8°C (18°F). The maximum can reach 12°C (54°F), and the minimum can be as low as -31°C (-24°F). Travelers should be prepared for a range of cold weather conditions and ensure they dress warmly for outdoor activities.

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

The chart illustrates January temperature patterns in Farnham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Farnham, January typically has an average temperature of -8°C (18°F), with highs reaching up to 12°C (54°F) and lows dropping to around -31°C (-24°F).
JanFebMarAprMayJunJulAugSepOctNovDec182129435766716961503525
Data source: Temperature data for Farnham 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 Farnham

In Farnham in January, the precipitation amount is 89 mm (3.5 in) during 12 days of rainfall.

January Precipitation Trends in Farnham

The chart displays monthly precipitation patterns in Farnham, 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 Farnham, January typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec8984871171001111111167414812185
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Farnham

In Farnham 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 Farnham

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

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

Maximum UV Index Levels in Farnham for January

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

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

This table compares monthly weather conditions in Farnham, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)89 mm (3.5 inches)93%low
February Weather-6°C (21°F)84 mm (3.3 inches)92%moderate
March Weather-2°C (29°F)86 mm (3.4 inches)86%moderate
April Weather6°C (43°F)117 mm (4.6 inches)85%high
May Weather14°C (57°F)100 mm (3.9 inches)80%very high
June Weather19°C (66°F)111 mm (4.4 inches)74%very high
July Weather22°C (71°F)111 mm (4.4 inches)76%very high
August Weather21°C (69°F)116 mm (4.6 inches)75%very high
September Weather16°C (61°F)74 mm (2.9 inches)78%high
October Weather10°C (50°F)148 mm (5.8 inches)86%moderate
November Weather1°C (35°F)121 mm (4.8 inches)88%moderate
December Weather-4°C (25°F)85 mm (3.3 inches)89%low

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