Woodstock (IL) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Woodstock.
Climate overview of Woodstock
Temperatures in Woodstock, Illinois, United States of America, vary greatly throughout the year. July is the hottest month at 28°C (82°F), while January is the coldest at -2°C (28°F).
Rain/snowfall is high, totalling around 1028 mm (40 in) per year. June is the wettest month and January the driest. The city also experiences warm summers and very cold winters. Sunshine peaks in July, when the city sees around 10.6 hours of sunshine per day.
Woodstock Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Woodstock - and find the best time to visit.
Monthly Temperature in Woodstock
The climate in Woodstock is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a comfortable 28°C (82°F) in July, the warmest time of the year, to a very cold -2°C (28°F) during cooler months like January.
At night, you can expect temperatures ranging from 16°C (61°F) in July to around -11°C (12°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Woodstock
Woodstock has a notably wet climate with abundant precipitation, recording 1028 mm (40 in) of rain/snowfall per year. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, June it receives high rainfall, averaging 135 mm (5.3 in) of precipitation, recorded across 13 rainy days. In contrast, the driest month January brings less snowfall, with 40 mm (1.6 in) over 10 snowy days. For more details, please visit our Woodstock Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Woodstock
Seasonal changes in sunshine hours are quite dramatic in Woodstock. While July receives considerable daily sunshine with up to 10.6 hours, December marks the darkest time of the year, where sunshine is scarce with only 3.6 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Woodstock by Month
The relative humidity is high throughout the year in Woodstock.
The city experiences its highest humidity in December, reaching 76%. In May, the humidity drops to its lowest level at 64%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Woodstock
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: September
- Warmest weather: July and August
- Most sunshine: June and July
- Fewest rainy days: January, February, September and November
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -11°C (12°F).
Frequently asked questions about the climate in Woodstock
What is the best time to visit Woodstock?
September typically offers the most optimal weather in Woodstock. In contrast, January, February, March, November and December tend to have less optimal conditions. Woodstock has warm summers and very cold winters.
What temperatures can I expect in Woodstock?
Daytime highs range from -2°C (28°F) in January to 28°C (82°F) in July. Nighttime lows range from -11°C (12°F) to 16°C (61°F). Temperatures vary considerably through the year.
How much rain does Woodstock get?
Annual rainfall is around 1028 mm (40 in). June is the wettest month with 135 mm (5.3 in), while January is the driest with 40 mm (1.6 in).
How sunny is Woodstock?
Woodstock receives around 2,509 hours of sunshine per year. July is the sunniest month with 319 hours, while December is the cloudiest with just 107 hours. Overall, Woodstock enjoys abundant sunshine.
Woodstock 3-Day Forecast
Woodstock (IL) 3-Day Forecast
Woodstock on the map
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