nomadseason

January Weather in Johnson, United States

Last updated: June 24, 2025

In January, the average temperature in Johnson, United States is a chilly -8°C (18°F). Expect extremes, with minimums dropping to -33°C (-27°F) and maximums reaching up to 13°C (56°F). Precipitation is quite frequent, with about 96 mm (3.8 in) spread over 14 days, contributing to an average humidity of 93%. Stay warm and prepare for the wet conditions!

January Temperature in Johnson

In January in Johnson, the average temperature is -8°C (18°F). Maximum temperatures can reach 13°C (56°F), while minimums can plunge as low as -33°C (-27°F). Travelers should be prepared for extreme cold and significant temperature fluctuations.

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

The chart illustrates January temperature patterns in Johnson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Johnson, January typically has an average temperature of -8°C (18°F), with highs reaching up to 13°C (56°F) and lows dropping to around -33°C (-27°F).
JanFebMarAprMayJunJulAugSepOctNovDec182028415563696759483323
Data source: Temperature data for Johnson 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 Johnson

In Johnson in January, the total precipitation amount is 96 mm (3.8 in) over the course of 14 days.

January Precipitation Trends in Johnson

The chart displays monthly precipitation patterns in Johnson, 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 Johnson, January typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec9792921241091161411158716513193
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Johnson

In Johnson in January humidity is 93%. With an average temperature of -8°C (18°F), this humidity feels like a bone-chilling dampness that seeps into your clothes, making even the briefest moments outside feel uncomfortable and heavy, as if you're trudging through a misty, cold cloud that wraps around you.

January Average Humidity in Johnson

This chart illustrates the average monthly humidity levels in Johnson, 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 Johnson is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%86%85%80%74%76%75%78%86%89%89%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Johnson

In Johnson in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Johnson, you can visit Hourly UV Index in Johnson.

Maximum UV Index Levels in Johnson for January

The chart shows the monthly maximum UV Index (UVI) for Johnson 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 Johnson typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910997532
Data source: Johnson 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 Johnson Compares to Other Months

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

This table compares monthly weather conditions in Johnson, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)96 mm (3.8 inches)93%low
February Weather-6°C (21°F)92 mm (3.6 inches)92%moderate
March Weather-2°C (28°F)92 mm (3.6 inches)86%moderate
April Weather5°C (42°F)124 mm (4.9 inches)85%high
May Weather13°C (55°F)109 mm (4.3 inches)80%very high
June Weather17°C (64°F)116 mm (4.6 inches)74%very high
July Weather20°C (69°F)141 mm (5.6 inches)76%very high
August Weather19°C (67°F)115 mm (4.5 inches)75%very high
September Weather15°C (59°F)87 mm (3.4 inches)78%high
October Weather9°C (48°F)165 mm (6.5 inches)86%moderate
November Weather0°C (33°F)131 mm (5.2 inches)88%moderate
December Weather-5°C (23°F)92 mm (3.6 inches)89%low

Compare Johnson's Climate with Cities Worldwide