Summary of Geelong Weather, 2021
(Current figures are from the Bureau of Meteorology station at Breakwater “Geelong Racecourse AWS”, with all temperature and rainfall averages from several official Geelong BoM sites from 30-year averages 1990-2019).
| Month | Weather Conditions | Temps (deg C) | Rainfall (mm) | Cumulative Rainfall | Comments |
| JAN | Cooler than average by 0.6°. 3 days >30° (max 37.1° on 11th). Coldest night 10.0° on 15th. Coldest day 18.9° on 19th. Warmest night 19.7° on 25th. | Av max 24.1°. Jan av max. is 25.4°. Av min 14.0° Jan av min is 13.9°. | Breakwater 85.0 mm. Urban area averaged 90.0 mm. January 30-yr normal is 38.1 mm. | Breakwater 85.0mm. Urban area 90.0mm. Normal Geelong cumulative total (1 month) is 38.1 mm. | Much wetter across whole region. Wettest days 20.2 mm on 29th & 19 mm on 3rd. 2 thunder days on 2nd & 23rd. 1 strong wind day (65 km/h on 27th).9 rain days. Catchments storage 76%. |
| FEB | Cooler than average by 1.1°. 5 days >30°; max 34.8° 19th; min 8.0° on 25th. Coldest day 18.5° on 8th; warmest night 18.0° on 20th. | Av max 24.0°. Feb av max. is 25.3. Av min 13.4° Feb av min is 14.3°. | Breakwater 6.0 mm. Urban area averaged 6.0 mm. February normal is 36.4 mm. | Breakwater 91.0 mm. Urban area 96.0mm. Normal Geelong cumulative total (2 months) is 74.5 mm. | Much drier than average across whole of western Vic. 1 thunder day; no storms, no strong wind days. Six rain days, many overcast days. Catchments storage 73%. |
| MAR | Cooler than average by 0.4°. Zero days >30°. Max 29.7° on 12th; min 6.9° on 30th. Coldest day 17.9° on 2nd; warmest night 18.8° on 21st. | Av max 22.4°. Mar av max. is 23.5. Av min 12.7°. Mar av min is 12.5° | Breakwater 28.6 mm. Urban area averaged 34.0 mm. March normal is 26.5 mm. | Breakwater 119.6 mm. Urban area 130.0 mm. Normal Geelong cumulative total (3 months) is 101.0 mm. | Just above average rain, the whole region saw the end of La Nina. No thunder days, no storms, no strong wind days. 11 rain days. Catchments storage 69%. |
| APR | Warmer than average by 0.3°. 4 days >30°. Max 33.5° on 3rd, min 4.4° on 29th. Coldest day 15.5° on 21st; warmest night 15.1° on 5th and 6th. | Av max 20.5°. Apr av max. is 20.5. Av min 10.4° ***. Av is 9.9. | Breakwater 15.8 mm. Urban area averaged 18.0 mm. April normal is 41.1 mm. | Breakwater 135.4 mm. Urban area 148.0 mm. Normal Geelong cumulative total (4 months) is 142.1 mm. | Very much drier than average, across most of western Victoria. No thunder days, no storms but three days of strong winds. 11 rain days. Catchments storage 66%. |
| MAY | Cooler than average by 0.3°. Max temp 27.8° on 2nd, min 0.3° on 31st. Coldest day 12.9° on 29th, warmest night 14.3° on 2nd. One frost. Autumn generally cooler. | Av max 17.4°. May av max is 17.2. Av min 7.5°. Av is 8.3. | Breakwater 56.2 mm. Urban area averaged 62.0 mm. May normal is 40.2. | Breakwater 191.6 mm. Urban area 210.0 mm. Normal Geelong cumulative total (5 months) is 182.3 mm. | Well above average rain across sthn Vic. Heavy rain (no storms) on 4th, 2 thunder days, 2 very strong wind days, max 78 km/h on 26th.12 rain days. Wet Autumn. Catchments storage 69%. |
| JUNE | Warmer than average by 0.5°. Max temp 19.5° on 2nd, min 0.3° on 29th. Coldest day 12.1° on 17th, warmest night 11.2° on 10th. 3 frosts on 22nd, 28th & 29th. | Av max 15.2. June av max. is 14.5. Av min 6.6. Av is 6.4. | Breakwater 48.6 mm. Urban area averaged 55.0mm. June normal is 47.9. | Breakwater 240.2 mm. Urban area 265.0 mm. Normal Geelong cumulative total (6 months) is 230.2 mm. | Above average rain across whole region. No storms. Two very strong wind days on 9th & 10th, max 76 km/h on 10th. 14 rain days. Catchments storage 77%. Earthquake off Cape Otway on 23rd, felt Colac & Geelong. |
| JULY | Slightly warmer by 0.5°. Max temp 19.6° on 31st, min 0.4° on 8th. Coldest day 10.8° on 3rd, warmest night 11.3° on 28th. 3 frosts on 8th, 9th & 10th. | Av max 14.6. July av max. is 14.1 Av min 6.4 . Av is 5.9. | Breakwater 36.6 mm. Urban area averaged 38.0 mm. July normal is 44.6. | Breakwater 276.8 mm. Urban area 303.0 mm. Normal Geelong cumulative total (7 months) is 274.8 mm. | Generally below av rain across local region (higher in Otways). No storms; 4 very strong wind gusts (74 km/h on 4th, 85 at Avalon on 28th). 14 rain days, snow (Lorne) on 25th. Catchments 85%. |
| AUG | Warmer by 1.1°. Max temp 21.9° on 31st, min 2.8° on the 19th. Coldest day 12.2° on 26th, Warmest night 11.0° on 31st. No frosts. Winter warmer & drier overall. | Av max 16.3. Aug av max. is 15.0. Av min 6.9°. Av is 6.0. | Breakwater 23.4 mm. Urban area averaged 26.0 mm. August normal is 46.2. | Breakwater 300.2 mm. Urban area 329.0 mm. Normal Geelong cumulative total (8 months) is 321.0 mm. | Well below average rain across whole region. No storms,1 very strong wind gust (63 km/h on 15th and 4 others over 56 km/h). 16 rain days. Catchment average 92% of capacity despite low rain. |
| SEPT | Warmer by 0.6°. Max temp 26.7° on 2nd, min 1.8° on 27th. Coldest day 12.3° on 25th. Warmest night 14.5° on 3rd. 1 frost on 27th. | Av max 17.8 Sept av max. is 17.0. Av min 7.5. Av is 7.2. | Breakwater 52.8 mm. Urban area averaged 50.0 mm. September normal is 49.7 | Breakwater 353.0 mm Urban area 379.0 mm Normal Geelong cumulative total (9 months) is 370.7 mm. | Above av rain generally. No storms, 6 v strong wind gusts >60 kmh. Max 76 km/h on 9th. Wettest day (23.2 mm on 4th). Catchments storage 93%. Snow on Mt Buninyong on 20th. Earthquake at Mt Buller 5.9 Richter scale on 22nd. |
| OCT | Cooler by 0.3°. Max temp 27.8° on 27th, min 3.5° on 12th. Coldest day 14.9° on 15 & 25. Warmest night 13.7° on 21st. Strong winds (max 85 km/h) on 29th and 4th. | Av max 18.7. Oct av max. is 19.4. Av min 8.6 Av is 8.5. | Breakwater 113.6 mm. Urban area averaged 115.0 mm. October normal is 49.0. | Breakwater 466.6 mm Urban area 494.0 mm Normal Geelong cumulative total (10 months) is 419.7 mm. | Well above av rain. Geelong above average by >100%. 2 severe storms on 14th & 28th. Wettest day 26.8 mm on 23rd. Catchments 97%, highest since 2012. |
| NOV | Cooler by 0.9°. Max temp 31.7° on 30th, min 5.1° on 14th. Coldest day 13.8° on 12th; warmest night 14.7° on 24th. Strong winds 67 km/h on 18th & 63 km/h on 14th. | Av max 19.9. Nov av max is 21.4. Av min 10.1. Av is 10.3. | Breakwater 74.0 mm. Urban area averaged 75.0 mm. November normal is 49.5. | Breakwater 540.6 mm. Urban area 569.0 mm. Normal Geelong cumulative total (11 months) is 469.2 mm. | Above av rain esp Geelong area, lower in Otways area. Wettest days 25.6 mm on 13th, 15.6 mm on 4th. 2 Th/L days on 6th & 14th. 14 rain days Catchments storage 97% for whole month. West Barwon Res 100%. |
| DEC | Cooler by 0.05°. Max temp 39.4° on 31st incl 4 days >30°. Min 7.4° on 8th. Coldest day 15.9° on 7th; warmest night 15.7° on 18th. | Av max 23.5 Dec av max. is 23.6. Av min 11.8. Av is 11.8. | Breakwater 31.4 mm. Urban area averaged 32.0 mm. December normal is 37.6. | Breakwater 572 mm. Urban area 601 mm. Normal Geelong cumulative total (12 months) is 506.8 mm. | Below av rain across region. 4 Th/L days. Wettest day 20.4 mm on 9th; 7 rain days. Strong winds on 2 days, incl 80 km/h on 19th Catchments storage 93%. |
*** Indicates a patched figure has been assigned by GWS owing to a malfunction of the BoM station or its transmission.
© Copyright Geelong Weather Services, 2021.
SUMMARY:
New major records and extremes set: (See red bold print above)
Mean daily annual temp: 14.6° (1990-2019 mean 14.7°C)
Total annual urban area rainfall: 601.0 mm. (Geelong average 506.8)
Tornadoes: nil.
Hottest Day: 39.4° on 31st December.
Warmest Night: 19.7° on 25th January.
Coldest Day: 10.8° on 3rd July.
Coldest Night: 0.3° on 29th June.
Wettest Day: 26.8 mm on 23rd October.
Wettest Month: October (115 mm).
Driest Month: February (6 mm); No of Days above 30°C: 17 (average 21)
Number of “Thunder Days” in Urban area: 16 (12 in 2020)
Number of severe storms: 2 in October.
Weather-related fatalities: nil.
Strongest Wind Gust: 82 km/h at Breakwater on 4th and 29th October.
Number of frosts: 8 days (av = 15).
Number of windy days (gusts >60 km/h): 25 (25 in 2020).
© Copyright Geelong Weather Services, 2021.