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Diss weather

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Diss 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…

Diss weather in numbers

measured normals and 10 years of recorded weather

Diss swings 20°C across the year, from 21°C highs in July to 1°C lows in February, and October is usually the wettest month in a year that brings about 632 mm of precipitation. Over 10 years of recorded weather it averages 15 days a year at 25°C or above, 1 of them at 30°C or above, 27 frost nights, and rain on 130 days.

Warmest month
July
21°C average high
Coldest month
February
1°C average low
Wettest month
October
632 mm a year
Comfortable
4 months
May, June, July and August
Residents
11,000
share this forecast
Most accurate here
American
91/100 CheckWeather Score
Warm days
15 days
a year at 25°C or above
Frost nights
27 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 Diss’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 Diss and nearby towns.Live rain radar →
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Diss 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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Diss 10-day forecast, out to 14 days

where the models agree, and where they split

Diss, England is at its warmest in Jul (average highs near 21°C) and coldest in Feb (lows around 1°C), with roughly 632 mm of precipitation across the year. Below, compare what Met Office, European, American forecast for Diss 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.

Diss climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
8°
2°
Feb
7°
1°
Mar
9°
3°
Apr
12°
5°
May
16°
8°
Jun
19°
10°
Jul
21°
13°
Aug
21°
12°
Sep
19°
11°
Oct
15°
8°
Nov
10°
5°
Dec
7°
3°

Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.

How the weather around Diss has changed since 1995

Diss sits in the same roughly 50 km square of NASA's reanalysis as Norwich. That square ran 0.6°C warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Norwich page.

Which forecast is most accurate in Diss?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
American logo
American ★ Best
91
/100rank #1
90±0.6°C95±1.7 mph8994% hitNOAA / NCEP (United States)College Park, Maryland, USA
Met Office logo
Met Office
89
/100rank #2
89±0.6°C97±1.0 mph8290% hitMet Office (United Kingdom)Exeter, United Kingdom
European logo
European
89
/100rank #3
96±0.2°C97±1.0 mph7687% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom

The CheckWeather Score blends temperature, wind and rain accuracy, each measured against ERA5 (the recorded weather) over the last 30 days across 1950 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 Diss today?
On this page we show what Met Office, European, American each forecast for Diss 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 Diss today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Met Office, European, American for Diss 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 Diss?
Over the last 30 days, the American model has been the most accurate for Diss (CheckWeather Score 91/100), ahead of the Met Office at 89. We grade every model against the recorded weather. See the UK accuracy scoreboard for the full method.
What is the warmest month in Diss?
July is typically the warmest month in Diss, with average highs around 21°C.
How cold does Diss get?
The coldest month in Diss is February, when overnight lows average about 1°C.
How much rain does Diss get?
Diss sees roughly 632 mm of precipitation a year, with October usually the wettest month.

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