European, American, German side by side around Blenheim 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
Blenheim, F4 is at its warmest in Feb (average highs near 24°C) and coldest in Jul (lows around 4°C), with roughly 781 mm of precipitation across the year. Below, compare what European, American, German forecast for Blenheim right now, and see exactly where they disagree.
Blenheim climate by month
average daytime high and overnight low across a typical year
Jan
23°
13°
Feb
24°
13°
Mar
21°
10°
Apr
18°
9°
May
16°
6°
Jun
13°
5°
Jul
13°
4°
Aug
14°
4°
Sep
16°
6°
Oct
18°
7°
Nov
20°
10°
Dec
23°
13°
Common questions
What's the weather in Blenheim today?
On this page we show what European, American, German each forecast for Blenheim 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 Blenheim today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from European, American, German for Blenheim 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 Blenheim?
No single model is always right. European, American, German each run their own physics, so we line all three up: when they agree the Blenheim 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 Blenheim?
Feb is typically the warmest month in Blenheim, with average highs around 24°C.
How cold does Blenheim get?
The coldest month in Blenheim is Jul, when overnight lows average about 4°C.
How much rain does Blenheim get?
Blenheim sees roughly 781 mm of precipitation a year, with Jun 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.