Harwich Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Harwich.

Climate overview of Harwich

Harwich, Essex, United Kingdom, sees big temperature differences between seasons, with August peaking at 21°C (70°F) and February dropping to 8°C (46°F).

Harwich sees a moderate amount of rainfall, totalling around 755 mm (30 in) per year. It experiences pleasant summers and cold winters, creating some seasonal variation. The most sunshine falls in July, with an average of 7.0 hours of daily sunshine.

Harwich Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Harwich - and find the best time to visit.

Monthly Temperature in Harwich

Visitors to Harwich can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a pleasant 21°C (70°F) in August, the warmest time of the year, to a chilly 8°C (46°F) during cooler months like February.

At night, you can expect temperatures ranging from 15°C (59°F) in August to around 4°C (39°F) during February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Harwich

Generally, Harwich experiences moderate precipitation patterns, averaging 755 mm (30 in) yearly. Year-round, Harwich has a balanced climate with minimal variation in precipitation. The difference between the wettest month, October, with 76 mm (3 in), and the driest month, April, with 47 mm (1.9 in), is minimal. For more details, please visit our Harwich Precipitation page.

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

Sunshine Hours in Harwich

Seasonal changes in sunshine hours are quite dramatic in Harwich. While July receives considerable daily sunshine with up to 7.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.6 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Chelmsford, the United Kingdom (60 KM, 37 Miles).

Daily hours of sunshine

Data from: Chelmsford, the United Kingdom (60 KM, 37 Miles).

Best Time to Visit Harwich

For comfortable weather, consider visiting Harwich in July and August. Conditions are usually least favourable in January, February, March and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: July and August
  • Warmest weather: July and August
  • Most sunshine: July and August
  • Seasonal pattern: Pleasant summers and cold winters

Frequently asked questions about the climate in Harwich

What is the best time to visit Harwich?

July and August typically offer the most optimal weather in Harwich. In contrast, January, February, March and December tend to have less optimal conditions. Harwich has pleasant summers and cold winters.

What temperatures can I expect in Harwich?

Daytime highs range from 8°C (46°F) in February to 21°C (70°F) in August. Nighttime lows range from 4°C (39°F) to 15°C (59°F). Temperatures vary considerably through the year.

How much rain does Harwich get?

Annual rainfall is around 755 mm (30 in). October is the wettest month with 76 mm (3 in), while April is the driest with 47 mm (1.9 in).

How sunny is Harwich?

Harwich receives around 1,609 hours of sunshine per year. July is the sunniest month with 211 hours, while December is the cloudiest with just 49 hours.

Harwich 3-Day Forecast

Harwich 3-Day Forecast

Harwich on the map

Harwich is highlighted - select any city to see its climate.

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