Geraldton climate — normals and trends
Geraldton (Australia) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 19.9 °C and it receives 317 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 (24.3 °C on average) and the coldest is July (16.1 °C). Rainfall peaks in June.
Geraldton averages 0 frost days, 22 hot days (≥ 30 °C) and 51 rainy days per year.
Geraldton has warmed by +0.8 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.
The hottest day of the period reached 40.7 °C (on 18 February 2024) and the coldest 8.1 °C (on 23 July 1940).
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
GeraldtonWestern Australia
- coords
- -28.78°, 114.61°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
19.9°C
Average daily high
22.5°C
Average daily low
17.6°C
Annual rainfall
317mm
Sunshine / day
11.2h
Mean relative humidity
69%
Average peak wind
29.1km/h
Seasonal range
8.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
22 d/yr
Rainy days (≥ 1 mm)
51 d/yr
Annual snowfall
0.0 cm
Average feels-like high
22.0 °C
Average feels-like low
15.4 °C
Average peak gust
43.7 km/h
Tropical nights (≥ 20 °C)
99 d/yr
Solar radiation
20.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.8 °C
since 1940
+0.1 °C per decade · r² = 0.25 · 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
40.7 °C
18 February 2024
Coldest day
8.1 °C
23 July 1940
Wettest day
85 mm
4 February 1945
Windiest day
72.8 km/h
4 March 1956
Strongest gust
112.3 km/h
4 March 1956
Hottest feels-like
44.0 °C
21 February 1955
Coldest feels-like
3.0 °C
11 August 1960
Sunniest day
13.7 h
29 November 1940
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 | 28.0 °C | +1.8 °C | 1 mm | -5 mm |
| Feb | 27.2 °C | 0.0 °C | 0 mm | -14 mm |
| Mar | 28.3 °C | +1.9 °C | 3 mm | -10 mm |
| Apr | 26.0 °C | +1.7 °C | 8 mm | -10 mm |
| May | 24.4 °C | +2.3 °C | 17 mm | -28 mm |
| Jun | 21.0 °C | +1.3 °C | 66 mm | -9 mm |
| Jul | 17.8 °C | -0.7 °C | 90 mm | +26 mm |
| Aug | 18.9 °C | +0.3 °C | 83 mm | +41 mm |
| Sep | 20.0 °C | +0.5 °C | 26 mm | +6 mm |
| Oct | 20.5 °C | -0.3 °C | 13 mm | +2 mm |
| Nov | 23.9 °C | +1.3 °C | 11 mm | +4 mm |
| Dec | 25.9 °C | +1.4 °C | 1 mm | -3 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 Geraldton?
Geraldton has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 19.9 °C and it receives 317 mm of precipitation per year.
What is the hottest day ever recorded in Geraldton?
The hottest day measured in Geraldton between 1940 and 2025 was 18 February 2024, reaching 40.7 °C.
What is the coldest day in Geraldton?
The coldest day measured in Geraldton between 1940 and 2025 was 23 July 1940, at 8.1 °C.
Does it snow in Geraldton?
Almost never: Geraldton sees virtually no snow, with about 0 frost days per year.
Has the climate of Geraldton warmed?
Yes: Geraldton warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Geraldton?
The wettest day measured in Geraldton between 1940 and 2025 was 4 February 1945, with 85 mm of rain in 24 hours.
What was the windiest day in Geraldton?
The windiest day measured in Geraldton between 1940 and 2025 was 4 March 1956, with winds reaching 72.8 km/h.
What is the warmest month in Geraldton?
The warmest month in Geraldton is February (24.3 °C on average); the coldest is July (16.1 °C).
How much does it rain in Geraldton?
Geraldton receives on average 317 mm of precipitation per year, spread over about 51 rainy days.
Is it sunny in Geraldton?
Geraldton gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.
Are there tropical nights in Geraldton?
Yes: Geraldton has on average 99 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Geraldton?
In Geraldton, between 1940 and 2025, the highest apparent temperature reached 44.0 °C on 21 February 1955, and the lowest was 3.0 °C on 11 August 1960.
Compare Geraldton with another city
Pick a second city: its normals will be set against these, indicator by indicator.