Skip to main content
One weather site to rule them all
checkweather.io
CheckWeather AU›Summer Hill

Summer Hill weather

Loading live data…

Summer Hill weather in numbers

from 30 years of measured normals

Summer Hill swings 19°C across the year, from 26°C highs in January to 7°C lows in July, and February is usually the wettest month in a year that brings about 1068 mm of precipitation.

Warmest month
January
26°C average high
Coldest month
July
7°C average low
Wettest month
February
1068 mm a year
Below freezing
Never
overnight lows stay above 0°C
Comfortable
4 months
January, March, April and May
Residents
7,287
share this forecast

The weather map: all three models at once

European, American, German side by side around Summer Hill and nearby towns.Live rain radar →
Loading the three model maps…

Summer Hill 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

Loading the three models…

Summer Hill 10-day forecast, out to 14 days

where the models agree, and where they split

Summer Hill, New South Wales is at its warmest in Jan (average highs near 26°C) and coldest in Jul (lows around 7°C), with roughly 1068 mm of precipitation across the year. Below, compare what European, American, German forecast for Summer Hill 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.

Summer Hill climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
26°
19°
Feb
26°
18°
Mar
25°
17°
Apr
22°
14°
May
19°
10°
Jun
17°
8°
Jul
17°
7°
Aug
18°
7°
Sep
21°
8°
Oct
22°
12°
Nov
23°
16°
Dec
26°
18°

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

How the weather around Summer Hill has changed since 1995

Summer Hill 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 Summer Hill?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
79
/100rank #1
64±2.0°C89±5.3 km/h8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
76
/100rank #2
69±1.7°C87±6.4 km/h7687% hitNOAA / NCEP (United States)College Park, Maryland, USA
G
German
68
/100rank #3
68±1.8°C91±4.6 km/h5374% 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
Loading ratings…
AmericanNOAA GFS
Loading ratings…
GermanDWD ICON
Loading ratings…

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 Summer Hill today?
On this page we show what European, American, German each forecast for Summer Hill 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 Summer Hill today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from European, American, German for Summer Hill 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 Summer Hill?
Over the last 30 days, the European model has been the most accurate for Summer Hill (CheckWeather Score 79/100), ahead of the American at 76. We grade every model against the recorded weather. See the AU accuracy scoreboard for the full method.
What is the warmest month in Summer Hill?
January is typically the warmest month in Summer Hill, with average highs around 26°C.
How cold does Summer Hill get?
The coldest month in Summer Hill is July, when overnight lows average about 7°C.
How much rain does Summer Hill get?
Summer Hill sees roughly 1068 mm of precipitation a year, with February usually the wettest month.

Nearby

More AU weather