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Sefton weather

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Sefton weather in numbers

from 30 years of measured normals

Sefton swings 22°C across the year, from 28°C highs in December to 6°C lows in July, and February is usually the wettest month in a year that brings about 909 mm of precipitation.

Warmest month
December
28°C average high
Coldest month
July
6°C average low
Wettest month
February
909 mm a year
Below freezing
Never
overnight lows stay above 0°C
Comfortable
4 months
March, April, May and June
Residents
5,757
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The weather map: all three models at once

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

where the models agree, and where they split

Sefton, New South Wales is at its warmest in Dec (average highs near 28°C) and coldest in Jul (lows around 6°C), with roughly 909 mm of precipitation across the year. Below, compare what European, American, German forecast for Sefton 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 Australia before you trust any single number.

Sefton climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
27°
18°
Feb
27°
17°
Mar
26°
16°
Apr
23°
13°
May
19°
9°
Jun
17°
7°
Jul
17°
6°
Aug
18°
7°
Sep
22°
8°
Oct
24°
11°
Nov
25°
15°
Dec
28°
17°

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

How the weather around Sefton has changed since 1995

Sefton sits in the same roughly 50 km square of NASA's reanalysis as Sydney. That square ran 0.5°C warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Sydney page.

Which forecast is most accurate in Sefton?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
92
/100rank #1
93±0.4°C96±1.8 km/h8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
79
/100rank #2
83±0.9°C85±7.7 km/h7184% hitNOAA / NCEP (United States)College Park, Maryland, USA
G
German
76
/100rank #3
87±0.7°C97±1.5 km/h4771% hitDeutscher Wetterdienst (DWD)Offenbach am Main, Germany

The CheckWeather Score blends temperature, wind and rain accuracy, each measured against ERA5 (the recorded weather) over the last 30 days across 1558 cities. Lower error means a higher score. See which forecast model is most accurate in Australia, 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 Australia? Give each 1 to 5 stars.

EuropeanECMWF
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AmericanNOAA GFS
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GermanDWD ICON
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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 Sefton today?
On this page we show what European, American, German each forecast for Sefton 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 Sefton today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from European, American, German for Sefton 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 Sefton?
Over the last 30 days, the European model has been the most accurate for Sefton (CheckWeather Score 92/100), ahead of the American at 79. We grade every model against the recorded weather. See the AU accuracy scoreboard for the full method.
What is the warmest month in Sefton?
December is typically the warmest month in Sefton, with average highs around 28°C.
How cold does Sefton get?
The coldest month in Sefton is July, when overnight lows average about 6°C.
How much rain does Sefton get?
Sefton sees roughly 909 mm of precipitation a year, with February usually the wettest month.

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