Vandalia (IL) Climate by Month
The temperature in Vandalia can vary quite a bit throughout the year.
Temperatures can be very warm during the warmest months,
and cold during the cooler months.
It also has a notably wet climate with much precipitation.
Let's now guide you through the climate details for a complete overview.
Average day and night temperature
Visitors to Vandalia can expect significant temperature changes throughout the year. Average daytime temperatures range from a very warm 31°C in July, the warmest time of the year, to a chilly 3°C during cooler months like January. At night, temperatures typically average around -6°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Vandalia is known for its substantial rain/snowfall, with annual precipitation reaching 1236 mm. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, June receives heavy rainfall, averaging 163 mm of precipitation, recorded across 12 rainy days. In contrast, the drier season, January brings less snow/rainfall, with 59 mm over 8 snowy/rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The best time of year to visit Vandalia in the United States of America
Other facts from our historical weather data:July has an average maximum temperature of 31°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 3°C.
June tops the wettest month list with 163 mm of rainfall.
January is the driest month with 59 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.