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January Weather in Chertsey, Canada

Last updated: June 18, 2025

In Chertsey, Canada, the average temperature in January hovers around -10°C (14°F). However, temperatures can plummet to a chilling -31°C (-23°F) or peak at a moderate 10°C (49°F). Expect 85 mm (3.4 in) of precipitation spread over 10 days, contributing to an average humidity of 93%. Stay warm and prepared for the wet, cold conditions!

January Temperature in Chertsey

In January in Chertsey, the average temperature is -10°C (14°F). The maximum can reach 10°C (49°F), while the minimum can drop as low as -31°C (-23°F). Travelers should be prepared for very cold conditions, with the possibility of warmer days but frigid nights.

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

The chart illustrates January temperature patterns in Chertsey, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chertsey, January typically has an average temperature of -10°C (14°F), with highs reaching up to 10°C (49°F) and lows dropping to around -31°C (-23°F).
JanFebMarAprMayJunJulAugSepOctNovDec131625385463686658463018
Data source: Temperature data for Chertsey 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 Chertsey

In Chertsey in January, the precipitation amount is 85 mm (3.4 in) over the course of 10 days.

January Precipitation Trends in Chertsey

The chart displays monthly precipitation patterns in Chertsey, 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 Chertsey, January typically receives around 85 mm (3.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec8592921201071111241148912611196
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Chertsey

In Chertsey in January, humidity is 93%. With an average temperature of -10°C (14°F), this humidity feels like an invisible weight on your skin, making every breath feel thick and heavy, while the cold air bites sharply, creating a contrasting and uncomfortable chill that can make traveling outdoors feel like a daunting challenge.

January Average Humidity in Chertsey

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

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

Maximum UV Index Levels in Chertsey for January

The chart shows the monthly maximum UV Index (UVI) for Chertsey 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 Chertsey typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245899887532
Data source: Chertsey 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 Chertsey Compares to Other Months

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

This table compares monthly weather conditions in Chertsey, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (14°F)85 mm (3.4 inches)93%low
February Weather-9°C (16°F)92 mm (3.6 inches)92%moderate
March Weather-4°C (25°F)91 mm (3.6 inches)86%moderate
April Weather4°C (39°F)120 mm (4.7 inches)85%very high
May Weather12°C (54°F)107 mm (4.2 inches)80%very high
June Weather17°C (63°F)111 mm (4.4 inches)74%very high
July Weather20°C (68°F)124 mm (4.9 inches)76%very high
August Weather19°C (66°F)114 mm (4.5 inches)75%very high
September Weather14°C (58°F)89 mm (3.5 inches)78%high
October Weather8°C (46°F)126 mm (5.0 inches)86%moderate
November Weather-1°C (30°F)111 mm (4.4 inches)88%moderate
December Weather-8°C (18°F)96 mm (3.8 inches)89%low

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