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January Weather in Heron Lake, United States

Last updated: June 24, 2025

In January, the average temperature in Heron Lake, United States is a chilly -8°C (18°F). While the mercury can plummet to a frigid -34°C (-29°F), it may also rise to a maximum of 10°C (49°F). Expect 31 mm (1.2 in) of precipitation over about 5 days, accompanied by an average humidity level of 80%.

January Temperature in Heron Lake

In January in Heron Lake, the average temperature is -8°C (18°F). Maximum temperatures can reach 10°C (49°F), while the minimum can plunge to as low as -34°C (-29°F). Travelers should be prepared for a wide range of temperatures and dress warmly for outdoor activities.

January Weather in Heron Lake: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Heron Lake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heron Lake, January typically has an average temperature of -8°C (18°F), with highs reaching up to 10°C (49°F) and lows dropping to around -34°C (-29°F).
JanFebMarAprMayJunJulAugSepOctNovDec181733435972747064483425
Data source: Temperature data for Heron Lake 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 Heron Lake

In Heron Lake in January, the precipitation amount is 31 mm (1.2 in) spread over 5 days.

January Precipitation Trends in Heron Lake

The chart displays monthly precipitation patterns in Heron Lake, 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 Heron Lake, January typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec31316891125127102115110923141
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Heron Lake

In Heron Lake in January, humidity is 80%. With an average temperature of -8°C (18°F), this humidity feels like walking through a thick fog, where the cold air clings to your skin and every breath seems to crystallize, making traveling a challenge as you navigate the slippery streets while bundled up against the biting chill.

January Average Humidity in Heron Lake

This chart illustrates the average monthly humidity levels in Heron Lake, 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 Heron Lake is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%84%75%79%74%81%82%80%75%77%85%83%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Heron Lake

In Heron Lake 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 Heron Lake, you can check the information here.

Maximum UV Index Levels in Heron Lake for January

The chart shows the monthly maximum UV Index (UVI) for Heron Lake 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 Heron Lake typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689111098533
Data source: Heron Lake 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 Heron Lake Compares to Other Months

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

This table compares monthly weather conditions in Heron Lake, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)31 mm (1.2 inches)80%moderate
February Weather-8°C (17°F)31 mm (1.2 inches)84%moderate
March Weather1°C (34°F)68 mm (2.7 inches)75%high
April Weather6°C (44°F)91 mm (3.6 inches)79%very high
May Weather15°C (59°F)125 mm (4.9 inches)74%very high
June Weather22°C (72°F)127 mm (5.0 inches)81%extreme
July Weather23°C (74°F)102 mm (4.0 inches)82%very high
August Weather21°C (70°F)115 mm (4.5 inches)80%very high
September Weather18°C (65°F)110 mm (4.3 inches)75%very high
October Weather9°C (48°F)92 mm (3.6 inches)77%moderate
November Weather1°C (34°F)31 mm (1.2 inches)85%moderate
December Weather-4°C (25°F)41 mm (1.6 inches)83%moderate

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