European, American, German side by side around Hamilton and nearby towns.Live rain radar →
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Next 14 hours
consensus of the three models
7-day forecast
where the models agree, and where they split
Hamilton, G1 is at its warmest in Jan (average highs near 24°C) and coldest in Aug (lows around 5°C), with roughly 1417 mm of precipitation across the year. Below, compare what European, American, German forecast for Hamilton right now, and see exactly where they disagree.
Hamilton climate by month
average daytime high and overnight low across a typical year
Jan
24°
16°
Feb
23°
14°
Mar
21°
11°
Apr
19°
12°
May
16°
9°
Jun
15°
7°
Jul
14°
6°
Aug
14°
5°
Sep
16°
8°
Oct
18°
9°
Nov
20°
11°
Dec
23°
14°
Common questions
What's the weather in Hamilton today?
On this page we show what European, American, German each forecast for Hamilton 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 Hamilton today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from European, American, German for Hamilton 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 Hamilton?
No single model is always right. European, American, German each run their own physics, so we line all three up: when they agree the Hamilton forecast is reliable, and when they split you should expect surprises. See our tested NZ accuracy scoreboard for how the models compare.
What is the warmest month in Hamilton?
Jan is typically the warmest month in Hamilton, with average highs around 24°C.
How cold does Hamilton get?
The coldest month in Hamilton is Aug, when overnight lows average about 5°C.
How much rain does Hamilton get?
Hamilton sees roughly 1417 mm of precipitation a year, with Jan usually the wettest month.
The forecasts New Zealanders check
New Zealand's forecasters (MetService, NIWA) keep their models commercial, none publish open data. So we compare the three global heavyweights every forecaster starts from, and link you to MetService, the official authority.