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January Weather in Marion, United States

Last updated: June 24, 2025

In January, the average temperature in Marion, United States hovers around 3°C (37°F). However, temperatures can vary widely, with a minimum dipping to -18°C (1°F) and a maximum soaring to 21°C (70°F). Expect 99 mm (3.9 in) of precipitation over 8 days and an average humidity of 86%, creating a unique atmosphere for this time of year.

January Temperature in Marion

In January in Marion, the average temperature is 3°C (37°F). The maximum can reach 21°C (70°F) and the minimum can be as low as -18°C (1°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.

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

The chart illustrates January temperature patterns in Marion, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marion, January typically has an average temperature of 3°C (37°F), with highs reaching up to 21°C (70°F) and lows dropping to around -18°C (1°F).
JanFebMarAprMayJunJulAugSepOctNovDec374150576977817874624643
Data source: Temperature data for Marion 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 Marion

In Marion in January, the precipitation amount is 99 mm (3.9 in) spread over 8 days.

January Precipitation Trends in Marion

The chart displays monthly precipitation patterns in Marion, 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 Marion, January typically receives around 99 mm (3.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec9914213013711611996928811091106
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Marion

In Marion in January humidity is 86%. With an average temperature of 3°C (37°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable.

January Average Humidity in Marion

This chart illustrates the average monthly humidity levels in Marion, 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 Marion is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%84%80%82%83%80%76%75%75%85%88%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Marion

In Marion 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 Marion, you can check the information here.

Maximum UV Index Levels in Marion for January

The chart shows the monthly maximum UV Index (UVI) for Marion 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 Marion typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710111110109753
Data source: Marion 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 Marion Compares to Other Months

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

This table compares monthly weather conditions in Marion, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)99 mm (3.9 inches)86%moderate
February Weather5°C (41°F)142 mm (5.6 inches)84%high
March Weather10°C (50°F)130 mm (5.1 inches)84%high
April Weather14°C (58°F)137 mm (5.4 inches)80%very high
May Weather21°C (69°F)116 mm (4.6 inches)82%extreme
June Weather25°C (77°F)119 mm (4.7 inches)83%extreme
July Weather27°C (81°F)96 mm (3.8 inches)79%very high
August Weather25°C (78°F)92 mm (3.6 inches)76%very high
September Weather23°C (74°F)88 mm (3.5 inches)75%very high
October Weather17°C (62°F)110 mm (4.3 inches)74%high
November Weather8°C (47°F)91 mm (3.6 inches)85%moderate
December Weather6°C (43°F)106 mm (4.2 inches)88%moderate

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