Rock Falls (IL) Climate by Month
The temperature in Rock Falls can vary quite a bit throughout the year.
Temperatures can be warm during the warmest months,
and very cold during the cooler months.
It also experiences much rain/snowfall throughout the year.
Let's now guide you through the climate details for a complete overview.
Average day and night temperature
Visitors to Rock Falls can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 29°C in July. In January, the coolest month of the year, temperatures drop to a very cold -1°C. At night, expect cooler temperatures, averaging -11°C during this month.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Rock Falls is known for its substantial rain/snowfall, with annual precipitation reaching 1011 mm. Rock Falls can be quite wet during June, receiving approximately 144 mm of precipitation over 13 rainy days. In contrast January, experiences much drier conditions, with 38 mm of snowfall, spread across 9 snowy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
The best time of year to visit Rock Falls 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:
The hottest season / summer takes place in June, July, August and September.
The coldest season / winter is in the following months: January, February and December.
July has an average maximum temperature of 29°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of -1°C.
June tops the wettest month list with 144 mm of rainfall.
January is the driest month with 38 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.
