Harlow Weather & Climate: Best Time to Visit

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

Climate overview of Harlow

Harlow, Essex, United Kingdom, sees big temperature differences between seasons, with July peaking at 23°C (73°F) and January dropping to 9°C (48°F).

The city receives around 700 mm (28 in) of rain/snowfall per year. It experiences warm summers and cold winters. August is the wettest month and March the driest. The sunniest month is July, with 7.0 hours of sunshine per day on average.

Harlow Weather by Month

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

Monthly Temperature in Harlow

Visitors to Harlow can expect significant temperature changes throughout the year. On average, daytime temperatures range from a comfortable 23°C (73°F) in July to a chilly 9°C (48°F) in January.

Nighttime temperatures range from 14°C (57°F) in July to 3°C (37°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Harlow

Generally, Harlow experiences moderate precipitation patterns, averaging 700 mm (28 in) yearly. The wettest period in Harlow occurs in August, which receives around 68 mm (2.7 in) of precipitation. During the driest month, March, Harlow experiences moderate rainfall, totaling 47 mm (1.9 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Harlow Precipitation page.

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

Sunshine Hours in Harlow

In Harlow, summer days are longer and more sunny, with daily sunshine hours peaking at 7.0 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.6 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Chelmsford, the United Kingdom (26 KM, 16 Miles).

Daily hours of sunshine

Data from: Chelmsford, the United Kingdom (26 KM, 16 Miles).

Best Time to Visit Harlow

The most comfortable overall weather for exploring Harlow is usually found in June, July, August and September. Conditions are generally least comfortable in January, February 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: June, July, August and September
  • Warmest weather: July and August
  • Most sunshine: July and August
  • Seasonal pattern: Warm summers and cold winters

Frequently asked questions about the climate in Harlow

What is the best time to visit Harlow?

June, July, August and September typically offer the most optimal weather in Harlow. In contrast, January, February and December tend to have less optimal conditions. Harlow has warm summers and cold winters.

What temperatures can I expect in Harlow?

Daytime highs range from 9°C (48°F) in January to 23°C (73°F) in July. Nighttime lows range from 3°C (37°F) to 14°C (57°F). Temperatures vary considerably through the year.

How much rain does Harlow get?

Annual rainfall is around 700 mm (28 in). August is the wettest month with 68 mm (2.7 in), while March is the driest with 47 mm (1.9 in).

How sunny is Harlow?

Harlow 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.

Harlow 3-Day Forecast

Harlow on the map

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