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Sussex weather

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Sussex weather in numbers

from 30 years of measured normals

Sussex swings 36°C across the year, from 25°C highs in July to -11°C lows in February, and March is usually the wettest month in a year that brings about 1277 mm of precipitation.

Warmest month
July
25°C average high
Coldest month
February
-11°C average low
Wettest month
March
1277 mm a year
Below freezing
5 months
January, February, March, November and December
Comfortable
4 months
May, June, July and August
Residents
5,298
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The weather map: all three models at once

Env. Canada, European, American side by side around Sussex and nearby towns.Live rain radar →
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Sussex 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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Sussex 10-day forecast, out to 14 days

where the models agree, and where they split

Sussex, New Brunswick is at its warmest in Jul (average highs near 25°C) and coldest in Feb (lows around -11°C), with roughly 1277 mm of precipitation across the year. Below, compare what Env. Canada, European, American forecast for Sussex 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 Canada before you trust any single number.

Sussex climate by month

average daytime high and overnight low across a typical year
Jan
-8°
Feb
-1°
-11°
Mar
-5°
Apr
10°
May
16°
Jun
21°
11°
Jul
25°
17°
Aug
23°
15°
Sep
21°
12°
Oct
15°
Nov
-1°
Dec
-6°

Which forecast is most accurate in Sussex?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
91
/100rank #1
88±0.7°C97±1.4 km/t8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
EC
Env. Canada
67
/100rank #2
64±2.0°C93±3.7 km/t5374% hitEnvironment and Climate Change CanadaDorval, Québec, Canada
American logo
American
62
/100rank #3
75±1.4°C95±2.6 km/t2458% hitNOAA / NCEP (United States)College Park, Maryland, USA

The CheckWeather Score blends temperature, wind and rain accuracy, each measured against ERA5 (the recorded weather) over the last 30 days across 1304 cities. Lower error means a higher score. See which forecast model is most accurate in Canada, 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 Canada? Give each 1 to 5 stars.

Env. CanadaGEM 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 Sussex today?
On this page we show what Env. Canada, European, American each forecast for Sussex 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 Sussex today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Env. Canada, European, American for Sussex 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 Sussex?
Over the last 30 days, the European model has been the most accurate for Sussex (CheckWeather Score 91/100), ahead of the Env. Canada at 67. We grade every model against the recorded weather. See the CA accuracy scoreboard for the full method.
What is the warmest month in Sussex?
July is typically the warmest month in Sussex, with average highs around 25°C.
How cold does Sussex get?
The coldest month in Sussex is February, when overnight lows average about -11°C.
How much rain does Sussex get?
Sussex sees roughly 1277 mm of precipitation a year, with March usually the wettest month.

Nearby

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