nomadseason

January Weather in River Heights, United States

Last updated: June 24, 2025

In River Heights, United States, the average temperature in January hovers around -5°C (23°F), with potential lows dipping to -25°C (-14°F) and highs reaching up to 7°C (45°F). During this month, expect about 67 mm (2.7 in) of precipitation spread across 10 days, while the air remains notably humid with an average humidity of 91%.

January Temperature in River Heights

In January in River Heights, the average temperature is -5°C (23°F). Maximum temperatures can reach 7°C (45°F), while minimums can drop as low as -25°C (-14°F). Travelers should prepare for a cold climate and dress warmly to enjoy their visit.

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

The chart illustrates January temperature patterns in River Heights, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In River Heights, January typically has an average temperature of -5°C (23°F), with highs reaching up to 7°C (45°F) and lows dropping to around -25°C (-14°F).
JanFebMarAprMayJunJulAugSepOctNovDec232534404963716959433323
Data source: Temperature data for River Heights generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in River Heights

In River Heights in January, the precipitation amount is 67 mm (2.7 in) over a span of 10 days.

January Precipitation Trends in River Heights

The chart displays monthly precipitation patterns in River 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 River Heights, January typically receives around 67 mm (2.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec688664786728222735465660
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in River Heights

In River Heights in January, humidity is 91%. With an average temperature of -5°C (23°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and pushing you to seek warmth at every opportunity.

January Average Humidity in River Heights

This chart illustrates the average monthly humidity levels in River 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 River Heights is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%92%84%75%62%56%44%37%46%67%84%88%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in River Heights

In River 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 River Heights, you can check the information here.

Maximum UV Index Levels in River Heights for January

The chart shows the monthly maximum UV Index (UVI) for River 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 River Heights typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35810111211119653
Data source: River 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 River Heights Compares to Other Months

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

This table compares monthly weather conditions in River Heights, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)67 mm (2.7 inches)91%moderate
February Weather-4°C (26°F)86 mm (3.4 inches)92%moderate
March Weather1°C (35°F)64 mm (2.5 inches)84%very high
April Weather5°C (40°F)78 mm (3.1 inches)74%very high
May Weather10°C (50°F)67 mm (2.7 inches)62%extreme
June Weather17°C (63°F)28 mm (1.1 inches)56%extreme
July Weather22°C (71°F)22 mm (0.9 inches)44%extreme
August Weather20°C (69°F)27 mm (1.1 inches)37%extreme
September Weather15°C (59°F)35 mm (1.4 inches)46%very high
October Weather6°C (43°F)46 mm (1.8 inches)67%high
November Weather1°C (33°F)56 mm (2.2 inches)84%moderate
December Weather-5°C (23°F)60 mm (2.3 inches)88%moderate

Compare River Heights's Climate with Cities Worldwide