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Mount Colah weather

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Mount Colah weather in numbers

from 30 years of measured normals

Mount Colah swings 20°C across the year, from 28°C highs in December to 8°C lows in June, and January is usually the wettest month in a year that brings about 980 mm of precipitation.

Warmest month
December
28°C average high
Coldest month
June
8°C average low
Wettest month
January
980 mm a year
Below freezing
Never
overnight lows stay above 0°C
Comfortable
4 months
March, April, May and June
Residents
6,974
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The weather map: all three models at once

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

where the models agree, and where they split

Mount Colah, New South Wales is at its warmest in Dec (average highs near 28°C) and coldest in Jun (lows around 8°C), with roughly 980 mm of precipitation across the year. Below, compare what European, American, German forecast for Mount Colah 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.

Mount Colah climate by month

average daytime high and overnight low across a typical year
Jan
26°
18°
Feb
27°
18°
Mar
26°
17°
Apr
22°
13°
May
19°
10°
Jun
16°
Jul
17°
Aug
19°
Sep
23°
11°
Oct
23°
12°
Nov
25°
16°
Dec
28°
17°

Which forecast is most accurate in Mount Colah?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
89
/100rank #1
90±0.6°C96±2.2 km/t8290% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
81
/100rank #2
85±0.8°C96±2.1 km/t6581% hitNOAA / NCEP (United States)College Park, Maryland, USA
G
German
77
/100rank #3
76±1.3°C95±2.4 km/t6581% 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 1495 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 Mount Colah today?
On this page we show what European, American, German each forecast for Mount Colah 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 Mount Colah today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from European, American, German for Mount Colah 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 Mount Colah?
Over the last 30 days, the European model has been the most accurate for Mount Colah (CheckWeather Score 89/100), ahead of the American at 81. We grade every model against the recorded weather. See the AU accuracy scoreboard for the full method.
What is the warmest month in Mount Colah?
December is typically the warmest month in Mount Colah, with average highs around 28°C.
How cold does Mount Colah get?
The coldest month in Mount Colah is June, when overnight lows average about 8°C.
How much rain does Mount Colah get?
Mount Colah sees roughly 980 mm of precipitation a year, with January usually the wettest month.

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