Geelong weather in October

In October, Geelong has daytime highs averaging 18 °C, nights around 10 °C, with 9.3 wet days, and a sea temperature of 14 °C. Figures are 1991–2020 climate normals.

  1. Jan 19°
  2. Feb 19°
  3. Mar 18°
  4. Apr 15°
  5. May 13°
  6. Jun 10°
  7. Jul 10°
  8. Aug 10°
  9. Sep 12°
  10. Oct 14°
  11. Nov 16°
  12. Dec 17°

Daily temperatures through October

15° 22° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 19.5 °C and lows bottom out at 9.0 °C.

How October develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

Days Avg high Avg low Chance of rain
1–10 October 17.4 °C 9.6 °C 30 %
11–20 October 18.4 °C 10.0 °C 32 %
21–31 October 18.2 °C 10.4 °C 28 %
0% 50% 100% 1 5 10 15 20 25 30
Chance of a wet day (over 1 mm) by date in October. Wettest date over the 30 years: October 19, at 47 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical October Share of the month
Days above 25 °C 2.9 of 31 9 %
Days above 30 °C 0.3 of 31 1 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 9.3 of 31 30 %

Conditions in October

MeasureAverage
Mean temperature 14 °C
Record high (1991–2020) 33 °C
Record low (1991–2020) 3.5 °C
Relative humidity 70 %
Wind speed 23 km/h
Cloud cover 61 %

October compared with the months around it

Month Avg high Rainfall Cloud
August 13.8 °C 42 mm 59 %
September 15.7 °C 50 mm 61 %
October 18.1 °C 51 mm 61 %
November 20.2 °C 55 mm 62 %
December 22.2 °C 43 mm 59 %

See all twelve months for Geelong

QuestionsOctober in Geelong, answered

How warm is Geelong in October?

Daily highs average 18 °C and nights fall to about 10 °C, a spread of 8.0 °C between afternoon and dawn. That makes October the 7th warmest month of the year here.

Does it rain much in Geelong in October?

October averages 51 mm of rain, spread over about 9 of the 31 days — 30 % of the month. Cloud cover averages 61 % of the sky.

Is the sea warm enough to swim in October?

The sea averages 14 °C off Geelong in October. Most people find water below 20 °C bracing and above 25 °C comfortable for a long swim; this figure is a monthly surface average, so a sheltered bay on a still afternoon can be warmer.

How long are the days in October?

Geelong averages 13 hours between sunrise and sunset in October. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.