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January Weather in Assumption, United States

Last updated: June 24, 2025

In Assumption, United States, the average temperature in January hovers around -1°C (30°F). However, be prepared for a wide range, as temperatures can plummet to a chilling -25°C (-13°F) or rise to a pleasant 18°C (65°F). Expect 78 mm (3.1 in) of precipitation over about 8 days, coupled with an average humidity of 84%, making this month notably crisp and wet.

January Temperature in Assumption

In January in Assumption, the average temperature is -1°C (30°F), with maximums reaching up to 18°C (65°F) and minimums dropping as low as -25°C (-13°F). Travelers should be prepared for a wide range of temperatures, making layering essential for comfort during their visit.

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

The chart illustrates January temperature patterns in Assumption, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Assumption, January typically has an average temperature of -1°C (30°F), with highs reaching up to 18°C (65°F) and lows dropping to around -25°C (-13°F).
JanFebMarAprMayJunJulAugSepOctNovDec303344536675787471584237
Data source: Temperature data for Assumption 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 Assumption

In Assumption in January, the total precipitation amount is 78 mm (3.1 in) over the course of 8 days.

January Precipitation Trends in Assumption

The chart displays monthly precipitation patterns in Assumption, 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 Assumption, January typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec7877130137145106112115651168156
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Assumption

In Assumption in January, humidity is 84%. With an average temperature of -1°C (30°F), this humidity feels like a sharp chill that seeps into your bones, making travel uncomfortable as the wetness in the air intensifies the cold, leaving you yearning for warmth and shelter.

January Average Humidity in Assumption

This chart illustrates the average monthly humidity levels in Assumption, 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 Assumption is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Assumption

In Assumption 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 Assumption, you can check the information here.

Maximum UV Index Levels in Assumption for January

The chart shows the monthly maximum UV Index (UVI) for Assumption 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 Assumption typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111198643
Data source: Assumption 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 Assumption Compares to Other Months

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

This table compares monthly weather conditions in Assumption, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)78 mm (3.1 inches)84%moderate
February Weather0°C (33°F)77 mm (3.0 inches)82%moderate
March Weather7°C (44°F)130 mm (5.1 inches)84%high
April Weather12°C (53°F)137 mm (5.4 inches)83%very high
May Weather19°C (66°F)145 mm (5.7 inches)80%very high
June Weather24°C (76°F)106 mm (4.2 inches)83%extreme
July Weather25°C (78°F)112 mm (4.4 inches)82%extreme
August Weather24°C (75°F)115 mm (4.5 inches)82%very high
September Weather22°C (71°F)65 mm (2.6 inches)79%very high
October Weather14°C (58°F)116 mm (4.6 inches)79%high
November Weather6°C (42°F)81 mm (3.2 inches)88%moderate
December Weather3°C (37°F)56 mm (2.2 inches)87%moderate

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