Climate ▸Forecast ▸December ▸January ▸
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

Delaware (OH) Weather and Climate: A Comprehensive Guide

The climate in Delaware is marked by big temperature swings throughout the year. Temperatures range from warm during the warmest months to very cold in 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 maximum day and minimum night temperature

In Delaware, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a comfortable 28°C in July, the warmest time of the year, to a very cold 1°C during cooler months like February.

At night, temperatures typically drop to an average of around -8°C during these months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Delaware experiences significant rain/snowfall throughout the year, averaging 1066 mm of precipitation annually. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, June receives high rainfall, averaging 143 mm of precipitation, recorded across 13 rainy days. In contrast, the drier season, January brings less snow/rainfall, with 61 mm over 14 snowy/rainy days. For more details, please visit our Delaware Precipitation page.

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

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in Delaware. While July receives considerable daily sunshine with up to 8.7 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.8 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Columbus, the United States of America (37 KM, 23 Miles).

Daily hours of sunshine

Data from: Columbus, the United States of America (37 KM, 23 Miles).

Forecast for Delaware (OH)

Fri   Dec 27
11°C | 3°C
SE 4 m/s
2.3 mm
broken clouds and rain

broken clouds and rain

Sat   Dec 28
14°C | 8°C
SW 5 m/s
0.4 mm
broken clouds and  chance of slight rain

broken clouds and chance of slight rain

Sun   Dec 29
14°C | 4°C
SE 7 m/s
32 mm
broken clouds and rain

broken clouds and rain

The best time of year to visit Delaware 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 Delaware?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Delaware?
    July has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Delaware?
    The coldest month is February with an average maximum temperature of 1°C.
  • Which is the wettest month in Delaware?
    June tops the wettest month list with 143 mm of rainfall.
  • Which is the driest month in Delaware?
    January is the driest month with 61 mm of precipitation.
  • Which is the sunniest month in Delaware?
    July is the sunniest month with an average of 260 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.