Frankston South climate — normals and trends
Frankston South (Australia) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 14.4 °C and it receives 705 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 (19.6 °C on average) and the coldest is July (9.5 °C). Rainfall peaks in September.
Frankston South averages 0 frost days, 22 hot days (≥ 30 °C) and 127 rainy days per year.
Frankston South has warmed by +1.2 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.
The hottest day of the period reached 46.3 °C (on 7 February 2009) and the coldest -0.7 °C (on 22 July 1982).
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
Frankston SouthVictoria
- coords
- -38.17°, 145.14°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.4°C
Average daily high
18.9°C
Average daily low
10.5°C
Annual rainfall
705mm
Sunshine / day
10.1h
Mean relative humidity
72%
Average peak wind
19.9km/h
Seasonal range
10.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
22 d/yr
Rainy days (≥ 1 mm)
127 d/yr
Annual snowfall
0.0 cm
Average feels-like high
17.2 °C
Average feels-like low
8.1 °C
Average peak gust
43.8 km/h
Tropical nights (≥ 20 °C)
3 d/yr
Solar radiation
16.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.2 °C per decade · r² = 0.48 · 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
46.3 °C
7 February 2009
Coldest day
-0.7 °C
22 July 1982
Wettest day
90 mm
5 February 1973
Windiest day
48.8 km/h
21 November 1992
Strongest gust
110.2 km/h
26 September 2013
Hottest feels-like
44.3 °C
25 January 2019
Coldest feels-like
-4.1 °C
22 July 1982
Sunniest day
14.7 h
25 December 1940
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 27.2 °C | +2.0 °C | 25 mm | -17 mm |
| Feb | 27.2 °C | +1.9 °C | 26 mm | -11 mm |
| Mar | 25.9 °C | +2.7 °C | 29 mm | -11 mm |
| Apr | 22.5 °C | +3.0 °C | 26 mm | -27 mm |
| May | 18.2 °C | +2.2 °C | 16 mm | -51 mm |
| Jun | 13.9 °C | +0.5 °C | 55 mm | -4 mm |
| Jul | 13.8 °C | +1.1 °C | 68 mm | +2 mm |
| Aug | 15.2 °C | +1.4 °C | 48 mm | -26 mm |
| Sep | 16.8 °C | +0.9 °C | 72 mm | -4 mm |
| Oct | 18.6 °C | +0.4 °C | 85 mm | +12 mm |
| Nov | 18.7 °C | -1.9 °C | 122 mm | +59 mm |
| Dec | 22.5 °C | -0.5 °C | 39 mm | -18 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 Frankston South?
Frankston South has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 14.4 °C and it receives 705 mm of precipitation per year.
What is the hottest day ever recorded in Frankston South?
The hottest day measured in Frankston South between 1940 and 2025 was 7 February 2009, reaching 46.3 °C.
What is the coldest day in Frankston South?
The coldest day measured in Frankston South between 1940 and 2025 was 22 July 1982, at -0.7 °C.
Does it snow in Frankston South?
Almost never: Frankston South sees virtually no snow, with about 0 frost days per year.
Has the climate of Frankston South warmed?
Yes: Frankston South warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Frankston South?
The wettest day measured in Frankston South between 1940 and 2025 was 5 February 1973, with 90 mm of rain in 24 hours.
What was the windiest day in Frankston South?
The windiest day measured in Frankston South between 1940 and 2025 was 21 November 1992, with winds reaching 48.8 km/h.
What is the warmest month in Frankston South?
The warmest month in Frankston South is February (19.6 °C on average); the coldest is July (9.5 °C).
How much does it rain in Frankston South?
Frankston South receives on average 705 mm of precipitation per year, spread over about 127 rainy days.
Is it sunny in Frankston South?
Frankston South gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.
Are there tropical nights in Frankston South?
Yes: Frankston South has on average 3 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Frankston South?
In Frankston South, between 1940 and 2025, the highest apparent temperature reached 44.3 °C on 25 January 2019, and the lowest was -4.1 °C on 22 July 1982.
Compare Frankston South with another city
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Nearby cities
The climate around Frankston South