nomadseason

January Weather in Junction City, United States

Last updated: June 24, 2025

In Junction City, United States, the average temperature in January hovers around 8°C (48°F). However, temperatures can swing significantly, with a minimum as low as -13°C (10°F) and a maximum reaching 27°C (80°F). Expect some precipitation, with about 123 mm (4.8 in) falling over 9 days, and a cozy average humidity of 82% throughout the month.

January Temperature in Junction City

In January in Junction City, the average temperature is 8°C (48°F). Maximums can reach 27°C (80°F) while minimums can plummet to as low as -13°C (10°F). Be prepared for a wide range of temperatures when traveling during this time.

January Weather in Junction City: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Junction City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Junction City, January typically has an average temperature of 8°C (48°F), with highs reaching up to 27°C (80°F) and lows dropping to around -13°C (10°F).
JanFebMarAprMayJunJulAugSepOctNovDec475060647481838278675551
Data source: Temperature data for Junction City 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 Junction City

In Junction City in January, the precipitation amount is 123 mm (4.8 in) over the course of 9 days.

January Precipitation Trends in Junction City

The chart displays monthly precipitation patterns in Junction City, 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 Junction City, January typically receives around 123 mm (4.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec123161158183146120941048112870124
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Junction City

In Junction City in January, humidity is 82%. With an average temperature of 8°C (48°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration feel less invigorating and more like a constant struggle against the cold and moisture.

January Average Humidity in Junction City

This chart illustrates the average monthly humidity levels in Junction City, 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 Junction City is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%78%79%81%77%72%65%63%70%82%88%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Junction City

In Junction City in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Junction City for better planning.

Maximum UV Index Levels in Junction City for January

The chart shows the monthly maximum UV Index (UVI) for Junction City 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 Junction City typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101112111110864
Data source: Junction City 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 Junction City Compares to Other Months

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

This table compares monthly weather conditions in Junction City, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (48°F)123 mm (4.8 inches)82%moderate
February Weather10°C (51°F)161 mm (6.3 inches)80%high
March Weather16°C (60°F)158 mm (6.2 inches)78%very high
April Weather18°C (64°F)183 mm (7.2 inches)79%very high
May Weather23°C (74°F)146 mm (5.8 inches)81%extreme
June Weather27°C (81°F)120 mm (4.7 inches)77%extreme
July Weather28°C (83°F)94 mm (3.7 inches)72%extreme
August Weather28°C (83°F)104 mm (4.1 inches)65%extreme
September Weather26°C (79°F)81 mm (3.2 inches)63%very high
October Weather20°C (67°F)128 mm (5.0 inches)70%very high
November Weather13°C (55°F)70 mm (2.8 inches)82%high
December Weather11°C (52°F)124 mm (4.9 inches)88%moderate

Compare Junction City's Climate with Cities Worldwide