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January Weather in Brockville, Canada

Last updated: June 18, 2025

In January, the average temperature in Brockville, Canada hovers around -6°C (22°F). Temperatures can dip as low as -30°C (-22°F), but can also reach a maximum of 13°C (55°F). With an average humidity of 93%, you can expect a chilly atmosphere, complemented by 82 mm (3.2 in) of precipitation over 11 days. Be prepared for the brisk conditions!

January Temperature in Brockville

In January in Brockville, the average temperature is -6°C (22°F), with maximums reaching up to 13°C (55°F) and minimums dropping as low as -30°C (-22°F). Be sure to pack appropriate winter gear if you plan to visit during this chilly time of year.

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

The chart illustrates January temperature patterns in Brockville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brockville, January typically has an average temperature of -6°C (22°F), with highs reaching up to 13°C (55°F) and lows dropping to around -30°C (-22°F).
JanFebMarAprMayJunJulAugSepOctNovDec212331435565727063523828
Data source: Temperature data for Brockville 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 Brockville

In Brockville in January, the precipitation amount is 82 mm (3.2 in) over the course of 11 days.

January Precipitation Trends in Brockville

The chart displays monthly precipitation patterns in Brockville, 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 Brockville, January typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec828284125103941271067315111393
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Brockville

In Brockville in January humidity is 93%. With an average temperature of -6°C (22°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable as the damp air clings to your clothing and slows your movements.

January Average Humidity in Brockville

This chart illustrates the average monthly humidity levels in Brockville, 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 Brockville is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%93%86%82%75%68%69%67%72%83%88%89%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Brockville

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

Maximum UV Index Levels in Brockville for January

The chart shows the monthly maximum UV Index (UVI) for Brockville 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 Brockville typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245899997532
Data source: Brockville 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 Brockville Compares to Other Months

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

This table compares monthly weather conditions in Brockville, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)82 mm (3.2 inches)93%low
February Weather-5°C (23°F)82 mm (3.2 inches)93%moderate
March Weather0°C (31°F)84 mm (3.3 inches)86%moderate
April Weather6°C (44°F)125 mm (4.9 inches)82%very high
May Weather13°C (56°F)103 mm (4.1 inches)75%very high
June Weather18°C (65°F)94 mm (3.7 inches)68%very high
July Weather22°C (72°F)127 mm (5.0 inches)69%very high
August Weather21°C (70°F)105 mm (4.2 inches)67%very high
September Weather17°C (63°F)73 mm (2.9 inches)72%high
October Weather11°C (52°F)151 mm (5.9 inches)83%moderate
November Weather3°C (38°F)113 mm (4.5 inches)88%moderate
December Weather-2°C (29°F)93 mm (3.7 inches)89%low

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