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Jefferson Weather and Climate: A Comprehensive Guide

Jefferson experiences great temperature shifts. The city's weather can transition from warm days to very cold weather. It receives a reasonable amount of rain/snowfall. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

The climate in Jefferson is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a comfortable 29°C in July. In January, the coolest month of the year, temperatures drop to a very cold -2°C.

At night, you can expect cooler temperatures, with averages dropping to around -12°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Generally, Jefferson receives mid-range precipitation levels, with 892 mm annually. Jefferson can be quite wet during June, receiving approximately 130 mm of precipitation over 12 rainy days.

In contrast January, experiences much drier conditions, with 19 mm of snowfall, spread across 7 snowy days. For more details, please visit our Jefferson Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Forecast for Jefferson

Fri   Dec 27
7°C | 3°C
NW 3 m/s
20 mm
overcast and heavy rain

overcast and heavy rain

Sat   Dec 28
9°C | 0°C
NW 2 m/s
almost clear and no rain

almost clear and no rain

Sun   Dec 29
9°C | -1°C
SE 1 m/s
overcast and no rain

overcast and no rain

The best time of year to visit Jefferson in the United States of America

During the months of May and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is summer in Jefferson?
    The hottest season / summer takes place in June, July, August and September.
  • When is winter in Jefferson?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Jefferson?
    July has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Jefferson?
    The coldest month is January with an average maximum temperature of -2°C.
  • Which is the wettest month in Jefferson?
    June tops the wettest month list with 130 mm of rainfall.
  • Which is the driest month in Jefferson?
    January is the driest month with 19 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.