Upper Hutt climate — normals and trends
Upper Hutt (New Zealand) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 12.4 °C and it receives 886 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is February (16.4 °C on average) and the coldest is July (8.6 °C). Rainfall peaks in July.
Upper Hutt averages 0 frost days, 0 hot days (≥ 30 °C) and 135 rainy days per year.
Upper Hutt has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The hottest day of the period reached 26.0 °C (on 5 January 1975) and the coldest -0.3 °C (on 1 July 1951).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
Upper HuttWellington Region
- coords
- -41.14°, 175.05°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.4°C
Average daily high
14.7°C
Average daily low
10.0°C
Annual rainfall
886mm
Sunshine / day
9.8h
Mean relative humidity
81%
Average peak wind
27.8km/h
Seasonal range
7.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
135 d/yr
Annual snowfall
0.2 cm
Average feels-like high
12.4 °C
Average feels-like low
6.7 °C
Average peak gust
54.3 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
15.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.59 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
26.0 °C
5 January 1975
Coldest day
-0.3 °C
1 July 1951
Wettest day
107 mm
10 April 1968
Windiest day
65.4 km/h
10 April 1968
Strongest gust
153.0 km/h
10 April 1968
Hottest feels-like
30.5 °C
29 January 2019
Coldest feels-like
-6.0 °C
28 July 1957
Snowiest day
4.7 cm
16 July 1976
Sunniest day
14.8 h
28 December 2025
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 17.6 °C | -1.0 °C | 62 mm | +6 mm |
| Feb | 20.1 °C | +1.1 °C | 16 mm | -41 mm |
| Mar | 18.3 °C | +0.6 °C | 47 mm | -16 mm |
| Apr | 17.4 °C | +1.8 °C | 101 mm | +31 mm |
| May | 14.7 °C | +1.3 °C | 128 mm | +47 mm |
| Jun | 12.6 °C | +1.1 °C | 97 mm | +12 mm |
| Jul | 12.1 °C | +1.3 °C | 137 mm | +44 mm |
| Aug | 11.5 °C | +0.4 °C | 71 mm | -14 mm |
| Sep | 13.2 °C | +0.8 °C | 53 mm | -19 mm |
| Oct | 15.0 °C | +1.3 °C | 86 mm | +3 mm |
| Nov | 17.2 °C | +1.9 °C | 46 mm | -24 mm |
| Dec | 17.9 °C | +0.8 °C | 88 mm | +15 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Upper Hutt?
Upper Hutt has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 12.4 °C and it receives 886 mm of precipitation per year.
What is the hottest day ever recorded in Upper Hutt?
The hottest day measured in Upper Hutt between 1940 and 2025 was 5 January 1975, reaching 26.0 °C.
What is the coldest day in Upper Hutt?
The coldest day measured in Upper Hutt between 1940 and 2025 was 1 July 1951, at -0.3 °C.
Does it snow in Upper Hutt?
Almost never: Upper Hutt sees virtually no snow, with about 0 frost days per year.
Has the climate of Upper Hutt warmed?
Yes: Upper Hutt warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Upper Hutt?
The wettest day measured in Upper Hutt between 1940 and 2025 was 10 April 1968, with 107 mm of rain in 24 hours.
What was the windiest day in Upper Hutt?
The windiest day measured in Upper Hutt between 1940 and 2025 was 10 April 1968, with winds reaching 65.4 km/h.
What is the warmest month in Upper Hutt?
The warmest month in Upper Hutt is February (16.4 °C on average); the coldest is July (8.6 °C).
How much does it rain in Upper Hutt?
Upper Hutt receives on average 886 mm of precipitation per year, spread over about 135 rainy days.
Is it sunny in Upper Hutt?
Upper Hutt gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.
What is the biggest single-day snowfall in Upper Hutt?
The heaviest 24-hour snowfall measured in Upper Hutt between 1940 and 2025 was 16 July 1976, with 4.7 cm.
Are there tropical nights in Upper Hutt?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Upper Hutt.
What was the most extreme apparent temperature in Upper Hutt?
In Upper Hutt, between 1940 and 2025, the highest apparent temperature reached 30.5 °C on 29 January 2019, and the lowest was -6.0 °C on 28 July 1957.
Compare Upper Hutt with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Upper Hutt