Skip to main content
Every New Zealand forecast, compared
checkweather.io
CheckWeather NZNelson
Forecast confidence: High · models disagree by 1°C

Nelson weather

Loading live data…

Showers,rain likely tomorrow

European, the American and the German model agree on a high near 14° in Nelson today. Tomorrow looks light rain around 14°, with a 100% chance of rain.

14°12°
14°
11°
13°
12°
14°
Todaymodels agreeTomorrowmodels agreeTuesdaymodels agreeWednesdaymodels agreeThursdaymodels agreeFridaymodels agree
EuropeanECMWF
14°
Light rain
Today 14°·Low 13°·Rain 100%
AmericanNOAA GFS
14°
Showers
Today 14°·Low 11°·Rain 97%
GermanDWD ICON
15°
Showers
Today 15°·Low 13°·Rain 98%

The weather map: all three models at once

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

Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split
Today
Showers
14° 12°
models agree
Tomorrow
Light rain
14°
models agree
Tue
Cloudy
11°
models agree
Wed
Cloudy
13°
models agree
Thu
Light drizzle
12°
models agree
Fri
Partly cloudy
14°
models agree
Sat
Partly cloudy
13°
models agree
Sun
Mostly clear
13°
±2°
Mon
Partly cloudy
16°
models agree
Tue
Cloudy
14°
models agree
Wed
Light drizzle
15°
models agree
Thu
Clear
13°
models agree
Fri
Partly cloudy
13°
±4°
Sat
Cloudy
13°
models agree

Nelson, New Zealand. Below we compare what European, American, German forecast for Nelson right now and flag exactly where they disagree, then break down Nelson's weather month by month and which forecast model has been most accurate here.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in New Zealand before you trust any single number.

Nelson weather by month

what to expect in Nelson through the year

Here is Nelson's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Nelson by season.

Jan
22°
15°
Warm
Feb
22°
14°
Warm
Mar
20°
12°
Mild
Apr
18°
11°
Mild
May
15°
Mild
Jun
14°
Cool
Jul
13°
Cool
Aug
13°
Cool
Sep
15°
Mild
Oct
17°
Mild
Wettest
Nov
18°
11°
Mild
Dec
22°
14°
Warm

What Nelson's weather is like through the year

Nelson runs from warm summers, with January highs near 22°C, to cool winters, when July lows sit around 6°C (a swing of about 16°C across the year). October is usually the wettest month, and Nelson sees roughly 1318 mm of precipitation annually.

Best time to visit Nelson

The most comfortable time to visit Nelson is usually January, February, March and April, when daytime highs sit in the pleasant 16-26°C range and the heaviest October rain is behind you.

Which forecast is most accurate in Nelson?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
88
/100rank #1
74±1.4°C93±3.6 km/t100100% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
86
/100rank #2
82±1.0°C89±5.4 km/t8994% hitNOAA / NCEP (United States)College Park, Maryland, USA
G
German
85
/100rank #3
84±0.9°C92±4.2 km/t8290% 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 237 cities. Lower error means a higher score. See which forecast model is most accurate in New Zealand, how we measure forecast accuracy, or which model each weather app uses.

Bottom line: over the last 30 days the European model has been the most accurate forecast for Nelson, scoring 88/100 on our CheckWeather Score, ahead of the American at 86. See the full NZ accuracy scoreboard for exactly how every model is tested.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±1°14° to 15°±3%97% to 100% chance
Tomorrow±1°13° to 14°models agree100% to 100% chance
Tue±2°10° to 12°±15%3% to 18% chance
Wed±2°11° to 13°±7%3% to 10% chance
Thu±2°12° to 13°±4%34% to 38% chance

The models often agree on temperature and still split on rain — and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.

Sunrise and sunset in Nelson

today, local time
Sunrise
06:44
Sunset
18:07
Daylight
11h 23m

Common questions

What's the weather in Nelson today?
On this page we show what European, American, German each forecast for Nelson 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 Nelson today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from European, American, German for Nelson 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 Nelson?
Over the last 30 days, the European model has been the most accurate for Nelson (CheckWeather Score 88/100), ahead of the American at 86. We grade every model against the recorded weather. See the NZ accuracy scoreboard for the full method.
What is the warmest month in Nelson?
January is typically the warmest month in Nelson, with average highs around 22°C.
How cold does Nelson get?
The coldest month in Nelson is July, when overnight lows average about 6°C.
How much rain does Nelson get?
Nelson sees roughly 1318 mm of precipitation a year, with October usually the wettest month.
When is the best time to visit Nelson?
The most comfortable time to visit Nelson is usually January, February, March and April, when daytime highs sit in the pleasant 16-26°C range and the heaviest October rain is behind you.
Does it snow in Nelson?
Rarely - Nelson very seldom sees overnight lows drop below freezing, so lasting snow is unusual.

Nearby

More NZ weather