Dunedin climate — normals and trends
Dunedin (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 22.3 °C and it receives 956 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 August (27.6 °C on average) and the coldest is January (15.9 °C). Rainfall peaks in August.
Dunedin averages 0 frost days, 15 hot days (≥ 30 °C) and 120 rainy days per year.
Dunedin has warmed by +0.6 °C between 1940 and 2025, or +0.07 °C per decade. This trend is statistically significant.
The hottest day of the period reached 32.5 °C (on 6 August 1980) and the coldest -0.9 °C (on 13 December 1962).
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
DunedinFlorida
- coords
- 28.02°, -82.77°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
22.3°C
Average daily high
24.1°C
Average daily low
20.6°C
Annual rainfall
956mm
Sunshine / day
10.4h
Mean relative humidity
77%
Average peak wind
24.0km/h
Seasonal range
11.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
15 d/yr
Rainy days (≥ 1 mm)
120 d/yr
Annual snowfall
0.0 cm
Average feels-like high
26.2 °C
Average feels-like low
20.9 °C
Average peak gust
35.2 km/h
Tropical nights (≥ 20 °C)
213 d/yr
Solar radiation
18.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.6 °C
since 1940
+0.1 °C per decade · r² = 0.13 · 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
32.5 °C
6 August 1980
Coldest day
-0.9 °C
13 December 1962
Wettest day
231 mm
5 September 1950
Windiest day
115.5 km/h
19 October 1944
Strongest gust
184.3 km/h
19 October 1944
Hottest feels-like
39.9 °C
28 July 2025
Coldest feels-like
-8.3 °C
13 December 1962
Snowiest day
0.4 cm
24 December 1989
Sunniest day
13.1 h
5 July 1946
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 | 15.4 °C | -2.7 °C | 48 mm | -13 mm |
| Feb | 19.8 °C | +1.3 °C | 140 mm | +79 mm |
| Mar | 21.0 °C | +0.5 °C | 41 mm | -31 mm |
| Apr | 24.8 °C | +1.5 °C | 10 mm | -37 mm |
| May | 27.4 °C | +1.2 °C | 80 mm | +30 mm |
| Jun | 28.9 °C | +0.7 °C | 95 mm | -18 mm |
| Jul | 29.7 °C | +0.8 °C | 133 mm | +2 mm |
| Aug | 29.6 °C | +0.5 °C | 208 mm | +65 mm |
| Sep | 28.5 °C | 0.0 °C | 94 mm | -39 mm |
| Oct | 26.1 °C | +0.1 °C | 19 mm | -37 mm |
| Nov | 21.7 °C | -0.7 °C | 7 mm | -32 mm |
| Dec | 20.2 °C | +0.5 °C | 21 mm | -31 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 Dunedin?
Dunedin has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 22.3 °C and it receives 956 mm of precipitation per year.
What is the hottest day ever recorded in Dunedin?
The hottest day measured in Dunedin between 1940 and 2025 was 6 August 1980, reaching 32.5 °C.
What is the coldest day in Dunedin?
The coldest day measured in Dunedin between 1940 and 2025 was 13 December 1962, at -0.9 °C.
Does it snow in Dunedin?
Almost never: Dunedin sees virtually no snow, with about 0 frost days per year.
Has the climate of Dunedin warmed?
Yes: Dunedin warmed by +0.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Dunedin?
The wettest day measured in Dunedin between 1940 and 2025 was 5 September 1950, with 231 mm of rain in 24 hours.
What was the windiest day in Dunedin?
The windiest day measured in Dunedin between 1940 and 2025 was 19 October 1944, with winds reaching 115.5 km/h.
What is the warmest month in Dunedin?
The warmest month in Dunedin is August (27.6 °C on average); the coldest is January (15.9 °C).
How much does it rain in Dunedin?
Dunedin receives on average 956 mm of precipitation per year, spread over about 120 rainy days.
Is it sunny in Dunedin?
Dunedin gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
What is the biggest single-day snowfall in Dunedin?
The heaviest 24-hour snowfall measured in Dunedin between 1940 and 2025 was 24 December 1989, with 0.4 cm.
Are there tropical nights in Dunedin?
Yes: Dunedin has on average 213 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Dunedin?
In Dunedin, between 1940 and 2025, the highest apparent temperature reached 39.9 °C on 28 July 2025, and the lowest was -8.3 °C on 13 December 1962.
Compare Dunedin with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Dunedin