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January Weather in Scarborough, United States

Last updated: June 24, 2025

In January, the average temperature in Scarborough, United States hovers around -1°C (30°F). Expect chilly conditions, with minimums plunging to -18°C (0°F) and highs reaching a mild 13°C (55°F). During this time, you can also expect 92 mm (3.6 in) of precipitation spread over 9 days, contributing to an average humidity of 86%. Be prepared for a damp but invigorating month!

January Temperature in Scarborough

In January in Scarborough, the average temperature is -1°C (30°F). Maximum temperatures can reach 13°C (55°F), while minimums can drop as low as -18°C (0°F). It's advisable to dress warmly and prepare for a range of temperatures when traveling during this time.

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

The chart illustrates January temperature patterns in Scarborough, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Scarborough, January typically has an average temperature of -1°C (30°F), with highs reaching up to 13°C (55°F) and lows dropping to around -18°C (0°F).
JanFebMarAprMayJunJulAugSepOctNovDec303135445262686964554335
Data source: Temperature data for Scarborough 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 Scarborough

In Scarborough in January, the precipitation amount is 92 mm (3.6 in) during 9 days, indicating a relatively wet period for the region.

January Precipitation Trends in Scarborough

The chart displays monthly precipitation patterns in Scarborough, 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 Scarborough, January typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec921029314689751066681158123141
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Scarborough

In Scarborough in January, humidity is 86%. With an average temperature of -1°C (30°F), this humidity feels like a heavy blanket wrapping around you, making traveling feel much colder and more uncomfortable than the temperature suggests.

January Average Humidity in Scarborough

This chart illustrates the average monthly humidity levels in Scarborough, 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 Scarborough is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Scarborough

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

Maximum UV Index Levels in Scarborough for January

The chart shows the monthly maximum UV Index (UVI) for Scarborough 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 Scarborough typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910987532
Data source: Scarborough 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 Scarborough Compares to Other Months

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

This table compares monthly weather conditions in Scarborough, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)92 mm (3.6 inches)86%low
February Weather-1°C (31°F)102 mm (4.0 inches)84%moderate
March Weather2°C (35°F)93 mm (3.6 inches)82%moderate
April Weather6°C (44°F)146 mm (5.7 inches)80%high
May Weather11°C (53°F)89 mm (3.5 inches)72%very high
June Weather17°C (62°F)75 mm (3.0 inches)72%very high
July Weather20°C (69°F)106 mm (4.2 inches)67%very high
August Weather21°C (69°F)66 mm (2.6 inches)66%very high
September Weather18°C (64°F)81 mm (3.2 inches)71%high
October Weather13°C (55°F)158 mm (6.2 inches)78%moderate
November Weather6°C (43°F)123 mm (4.9 inches)84%moderate
December Weather1°C (35°F)141 mm (5.6 inches)81%low

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