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January Weather in Harwood Heights, United States

Last updated: June 24, 2025

In January, the average temperature in Harwood Heights, United States hovers around -3°C (27°F), with extremes that can plunge to a biting -29°C (-20°F) or rise to a mild 13°C (56°F). Expect about 66 mm (2.6 in) of precipitation over 9 days, contributing to a notably high average humidity of 82%. Whether you’re bundled up against the cold or enjoying a rare warm day, Harwood Heights offers a unique winter experience.

January Temperature in Harwood Heights

In January in Harwood Heights, the average temperature is -3°C (27°F). The maximum can reach 13°C (56°F) and the minimum can be as low as -29°C (-20°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

January Weather in Harwood Heights: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Harwood Heights, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harwood Heights, January typically has an average temperature of -3°C (27°F), with highs reaching up to 13°C (56°F) and lows dropping to around -29°C (-20°F).
JanFebMarAprMayJunJulAugSepOctNovDec272838465768747368554034
Data source: Temperature data for Harwood Heights 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 Harwood Heights

In Harwood Heights in January, the precipitation amount is 66 mm (2.6 in) over the course of 9 days.

January Precipitation Trends in Harwood Heights

The chart displays monthly precipitation patterns in Harwood Heights, 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 Harwood Heights, January typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec6667821161591239480791346258
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Harwood Heights

In Harwood Heights in January, humidity is 82%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that seeps into your bones, making traveling uncomfortable and necessitating extra layers to stay warm while navigating through the damp air.

January Average Humidity in Harwood Heights

This chart illustrates the average monthly humidity levels in Harwood Heights, 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 Harwood Heights is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Harwood Heights

In Harwood Heights in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Harwood Heights, you can check the information here.

Maximum UV Index Levels in Harwood Heights for January

The chart shows the monthly maximum UV Index (UVI) for Harwood Heights 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 Harwood Heights typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098632
Data source: Harwood Heights 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 Harwood Heights Compares to Other Months

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

This table compares monthly weather conditions in Harwood Heights, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)66 mm (2.6 inches)82%moderate
February Weather-2°C (29°F)66 mm (2.6 inches)83%moderate
March Weather3°C (38°F)82 mm (3.2 inches)84%high
April Weather8°C (46°F)116 mm (4.6 inches)85%very high
May Weather14°C (57°F)159 mm (6.2 inches)79%very high
June Weather20°C (68°F)123 mm (4.8 inches)82%very high
July Weather23°C (74°F)94 mm (3.7 inches)80%very high
August Weather23°C (73°F)80 mm (3.2 inches)81%very high
September Weather20°C (68°F)79 mm (3.1 inches)80%very high
October Weather13°C (55°F)134 mm (5.3 inches)82%high
November Weather4°C (40°F)62 mm (2.4 inches)88%moderate
December Weather1°C (34°F)58 mm (2.3 inches)84%low

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