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Wilmington (OH) Weather and Climate: A Comprehensive Guide

The temperature in Wilmington can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and cold during the cooler months. It is also known for its large amounts 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

Visitors to Wilmington can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a comfortable 29°C in August to a chilly 2°C in the coolest month, February.

Nights are cooler, with lows often dropping to around -7°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Wilmington is known for its substantial rain/snowfall, with annual precipitation reaching 1091 mm. Wilmington offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between June (131 mm) and January (65 mm) is not too significant, making the climate enjoyable for visitors and residents alike.

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

Sunshine over the year

For those who appreciate different seasons, Wilmington serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.9 hours of sunshine daily, and embrace the darker days in December, offering only 3.2 hours of daily sunlight. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Dayton, the United States of America (46 KM, 29 Miles).

Daily hours of sunshine

Data from: Dayton, the United States of America (46 KM, 29 Miles).

Forecast for Wilmington (OH)

Mon   Dec 23
8°C | -6°C
SW 7 m/s
partly cloudy and no rain

partly cloudy and no rain

Tue   Dec 24
6°C | 2°C
SW 3 m/s
overcast and no rain

overcast and no rain

Wed   Dec 25
7°C | 2°C
SE 3 m/s
2.9 mm
overcast and rain

overcast and rain

The best time of year to visit Wilmington 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 Wilmington?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Wilmington?
    August has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Wilmington?
    The coldest month is February with an average maximum temperature of 2°C.
  • Which is the wettest month in Wilmington?
    June tops the wettest month list with 131 mm of rainfall.
  • Which is the driest month in Wilmington?
    January is the driest month with 65 mm of precipitation.
  • Which is the sunniest month in Wilmington?
    July is the sunniest month with an average of 298 hours of sunshine.

  • 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.