Harrington (DE) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Harrington.
Climate overview of Harrington
Harrington, Delaware, United States of America, sees big temperature differences between seasons, with July peaking at 31°C (88°F) and January dropping to 7°C (45°F).
With around 1217 mm (48 in) of annual rain/snowfall, Harrington has a notably wet climate. However, this rain/snowfall is not evenly distributed — the city has very warm summers and cold winters. The wettest month is October.
Harrington Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Harrington - and find the best time to visit.
Monthly Temperature in Harrington
Visitors to Harrington can expect significant temperature changes throughout the year. Average daytime temperatures reach a very warm 31°C (88°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 7°C (45°F).
At night, temperatures range from around 20°C (68°F) in July to -3°C (27°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Harrington
Harrington is known for its substantial rain/snowfall, with annual precipitation reaching 1217 mm (48 in). Harrington experiences moderate seasonal variation in rainfall, with monthly averages ranging from 148 mm (5.8 in) in October, the wettest month, and 71 mm (2.8 in) in February, the driest month. For more details, please visit our Harrington Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Harrington
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May
- Warmest weather: July and August
- Seasonal pattern: Very warm summers and cold winters
- Coldest conditions: January, with freezing nights around -3°C (27°F).
Frequently asked questions about the climate in Harrington
What is the best time to visit Harrington?
May typically offers the most optimal weather in Harrington. In contrast, January, February and December tend to have less optimal conditions. Harrington has very warm summers and cold winters.
What temperatures can I expect in Harrington?
Daytime highs range from 7°C (45°F) in January to 31°C (88°F) in July. Nighttime lows range from -3°C (27°F) to 20°C (68°F). Temperatures vary considerably through the year.
How much rain does Harrington get?
Annual rainfall is around 1217 mm (48 in). October is the wettest month with 148 mm (5.8 in), while February is the driest with 71 mm (2.8 in).
Harrington 3-Day Forecast
Harrington (DE) 3-Day Forecast
Harrington on the map
Harrington is highlighted - select any city to see its climate.
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