Otahuhu climate — normals and trends
Otahuhu (New Zealand) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 15.2 °C and it receives 1,189 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 (19.8 °C on average) and the coldest is July (11.1 °C). Rainfall peaks in August.
Otahuhu averages 0 frost days, 0 hot days (≥ 30 °C) and 151 rainy days per year.
Otahuhu has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The hottest day of the period reached 28.6 °C (on 3 February 1998) and the coldest 1.1 °C (on 2 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
OtahuhuAuckland
- coords
- -36.94°, 174.84°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.2°C
Average daily high
17.7°C
Average daily low
12.8°C
Annual rainfall
1,189mm
Sunshine / day
9.9h
Mean relative humidity
80%
Average peak wind
22.8km/h
Seasonal range
8.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
151 d/yr
Annual snowfall
0.0 cm
Average feels-like high
16.5 °C
Average feels-like low
11.1 °C
Average peak gust
42.4 km/h
Tropical nights (≥ 20 °C)
3 d/yr
Solar radiation
15.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.57 · 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
28.6 °C
3 February 1998
Coldest day
1.1 °C
2 July 1951
Wettest day
104 mm
29 January 2011
Windiest day
63.2 km/h
23 March 1944
Strongest gust
121.3 km/h
6 March 1954
Hottest feels-like
33.1 °C
29 January 2019
Coldest feels-like
-3.4 °C
28 June 1951
Sunniest day
14.5 h
29 December 2024
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 | 22.1 °C | +0.1 °C | 80 mm | +1 mm |
| Feb | 24.0 °C | +1.5 °C | 25 mm | -52 mm |
| Mar | 22.4 °C | +1.2 °C | 32 mm | -50 mm |
| Apr | 20.8 °C | +1.9 °C | 173 mm | +80 mm |
| May | 18.0 °C | +1.6 °C | 113 mm | +13 mm |
| Jun | 16.1 °C | +1.7 °C | 115 mm | +5 mm |
| Jul | 15.2 °C | +1.6 °C | 173 mm | +53 mm |
| Aug | 14.2 °C | +0.3 °C | 101 mm | -19 mm |
| Sep | 16.3 °C | +1.3 °C | 114 mm | +10 mm |
| Oct | 18.1 °C | +1.7 °C | 109 mm | +7 mm |
| Nov | 21.6 °C | +3.4 °C | 168 mm | +73 mm |
| Dec | 22.4 °C | +2.1 °C | 104 mm | +0 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 Otahuhu?
Otahuhu has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 15.2 °C and it receives 1,189 mm of precipitation per year.
What is the hottest day ever recorded in Otahuhu?
The hottest day measured in Otahuhu between 1940 and 2025 was 3 February 1998, reaching 28.6 °C.
What is the coldest day in Otahuhu?
The coldest day measured in Otahuhu between 1940 and 2025 was 2 July 1951, at 1.1 °C.
Does it snow in Otahuhu?
Almost never: Otahuhu sees virtually no snow, with about 0 frost days per year.
Has the climate of Otahuhu warmed?
Yes: Otahuhu warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Otahuhu?
The wettest day measured in Otahuhu between 1940 and 2025 was 29 January 2011, with 104 mm of rain in 24 hours.
What was the windiest day in Otahuhu?
The windiest day measured in Otahuhu between 1940 and 2025 was 23 March 1944, with winds reaching 63.2 km/h.
What is the warmest month in Otahuhu?
The warmest month in Otahuhu is February (19.8 °C on average); the coldest is July (11.1 °C).
How much does it rain in Otahuhu?
Otahuhu receives on average 1,189 mm of precipitation per year, spread over about 151 rainy days.
Is it sunny in Otahuhu?
Otahuhu gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.
Are there tropical nights in Otahuhu?
Yes: Otahuhu has on average 3 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Otahuhu?
In Otahuhu, between 1940 and 2025, the highest apparent temperature reached 33.1 °C on 29 January 2019, and the lowest was -3.4 °C on 28 June 1951.
Compare Otahuhu with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Otahuhu