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CheckWeather UKGreat Dunmow

Great Dunmow weather

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Great Dunmow weather warnings

Met Office yellow, amber and red warnings for East of England

Checking the Met Office for warnings in force for East of England…

Great Dunmow weather in numbers

measured normals and 10 years of recorded weather

Great Dunmow swings 20°C across the year, from 22°C highs in August to 2°C lows in January, and September is usually the wettest month in a year that brings about 842 mm of precipitation. Over 10 years of recorded weather it averages 19 days a year at 25°C or above, 3 of them at 30°C or above, 30 frost nights, and rain on 130 days.

Warmest month
August
22°C average high
Coldest month
January
2°C average low
Wettest month
September
842 mm a year
Comfortable
4 months
May, June, July and August
Residents
7,749
share this forecast
Most accurate here
European
90/100 CheckWeather Score
Warm days
19 days
a year at 25°C or above
Frost nights
30 nights
a year below 0°C
Rain days
130 days
a year with 1 mm or more

Day counts are from the ERA5 reanalysis for Great Dunmow’s grid square, 2016 to 2025, counted the same way for every city so the numbers compare. A reanalysis square is an area, not a weather station, so it is good for counting days and not for a single day’s record.

The weather map: all three models at once

Met Office, European, American side by side around Great Dunmow and nearby towns.Live rain radar →
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Great Dunmow hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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Great Dunmow 10-day forecast, out to 14 days

where the models agree, and where they split

Great Dunmow, England is at its warmest in Aug (average highs near 22°C) and coldest in Jan (lows around 2°C), with roughly 842 mm of precipitation across the year. Below, compare what Met Office, European, American forecast for Great Dunmow right now, and see exactly where they disagree.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United Kingdom before you trust any single number.

Great Dunmow climate by month

average daytime high and overnight low across a typical year
Jan
Feb
10°
Mar
11°
Apr
13°
May
17°
Jun
21°
11°
Jul
21°
13°
Aug
22°
13°
Sep
21°
13°
Oct
16°
Nov
10°
Dec

Which forecast is most accurate in Great Dunmow?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
90
/100rank #1
94±0.3°C95±1.4 mph8290% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
76
/100rank #2
90±0.6°C94±2.0 mph4771% hitNOAA / NCEP (United States)College Park, Maryland, USA
Met Office logo
Met Office
73
/100rank #3
92±0.4°C96±1.1 mph3665% hitMet Office (United Kingdom)Exeter, United Kingdom

The CheckWeather Score blends temperature, wind and rain accuracy, each measured against ERA5 (the recorded weather) over the last 30 days across 1887 cities. Lower error means a higher score. See which forecast model is most accurate in United Kingdom, how we measure forecast accuracy, or which model each weather app uses.

What do you think of the forecasts?

your vote counts

The accuracy above is the measured record. This is your opinion: which forecast service do you trust most in United Kingdom? Give each 1 to 5 stars.

Met OfficeUKMO model
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EuropeanECMWF
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AmericanNOAA GFS
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One vote per service. Anonymous: we store no personal data, only a one-way hash of your connection for a day to stop double votes.

Common questions

What's the weather in Great Dunmow today?
On this page we show what Met Office, European, American each forecast for Great Dunmow today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Great Dunmow today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Met Office, European, American for Great Dunmow and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Great Dunmow?
Over the last 30 days, the European model has been the most accurate for Great Dunmow (CheckWeather Score 90/100), ahead of the American at 76. We grade every model against the recorded weather. See the UK accuracy scoreboard for the full method.
What is the warmest month in Great Dunmow?
August is typically the warmest month in Great Dunmow, with average highs around 22°C.
How cold does Great Dunmow get?
The coldest month in Great Dunmow is January, when overnight lows average about 2°C.
How much rain does Great Dunmow get?
Great Dunmow sees roughly 842 mm of precipitation a year, with September usually the wettest month.

Nearby

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