(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 1988-2017)
| Month | Weather Conditions | Temps (deg C) | Rainfall (mm) | Cumulative Rainfall | Comments |
| JAN | 6th hottest Jan since 1902. Hottest since 1981. Top temp 44.3° on 4th, lowest minimum 8.9° on 10th. No strong wind gusts >60 km/h. | Av max 28.1. Jan av max. is 25.3. Av min 15.3. Mean is 13.9 | Breakwater 2.0 mm. Urban area averaged 4.0 mm. January 30-yr normal is 40.4 mm. | Breakwater 2.0 mm. Urban area 4.0 mm. Normal Geelong cumulative total (1 month) is 40.4 mm. | Extremely dry and below av across whole region. Urban area ranged from 1.6 mm at Corio & Moolap to 10.0 mm at Armstrong Ck. 2 thunder days. Catchments now 48% of capacity. |
| FEB | Warmer than normal by 0.6° C. 7 days >30°, highest max 39.9° on 28th, lowest min 9.7° on 13th. 2 strong gusts (63 km/h on 9th, & 61 km/h on 12th). | Av max 26.2. Feb av max. is 25.2. Av min 14.4. Mean is 14.3. | Breakwater 6.4 mm. Urban area averaged 9.0 mm. February normal is 37.1 mm. | Breakwater 8.4 mm. Urban area 13.0 mm. Normal Geelong cumulative total (2 months) is 76.7 mm. | Continued extremely dry except in western Otways. 1 thunder day, no severe storms. 1 smoky day from fires. Catchments now 44% of capacity. |
| MAR | Warmer than normal by 1.4°C. 5 days >30°, incl 39.3° on 1st. Coldest day 16.8° on 30th. Low min 6.9° on 14th, high min 21.6° on 2nd. | Av max 25.1. Mar av max. is 23.5. Av min 13.6 . Mean is 12.5. | Breakwater 8.6 mm. Urban area averaged 12.0 mm. March normal is 28.0 mm. | Breakwater 17.0 mm. Urban area 25 mm. Normal Geelong cumulative total (3 months) is 104.7 mm. | Very dry across whole region. 1 thunder day, no severe storms, several willy-willies, 2 hail days, several overcast & smoke- hazy days, 3 windy days >60 km/h. Catchments 38%. |
| APR | Warmer than normal by 1.1° C. 3 days >30° incl 33.3° on 16th. High min 20.8° on 17th, 2nd highest for April. Lowest min 3.5 on 30th. 9 days >30°. | Av max 22.1. Apr av max. is 20.4. Av min 10.4. Av is 10.0. | Breakwater 4.0 mm. Urban area averaged 5.0 mm. April normal is 43.3 mm. | Breakwater 21.0 mm. Urban area 30.0 mm. Normal Geelong cumulative total (4 months) is 148.0 mm. | Record lowest rainfall in 1st 4 months. 5th driest April on record. No severe storms, no strong wind gusts. 1 thunder day. Catchments 34%. |
| MAY | Warmer than normal by 0.6°C. Highest max 24.2° on 1st; coldest day 9.6° on 29th. Lowest min 4.3° on 17th, highest 14.7° on 2nd. 4 strong wind days. | Av max 17.8 May av max is 17.1. Av min 8.7. Av is 8.3. | Breakwater 98.2 mm. Urban area averaged 98.0 mm. May normal is 38.8. | Breakwater 119.2 mm. Urban area 128.0 mm. Normal Geelong cumulative total (5 months) is 186.8 mm. | Much wetter month than normal; best rain since 1997. 1 severe storm at L. Purrumbete (Susp. Tornado on 1st) Wettest day 30.4 mm on 10th. 3 thunder days. AUTUMN was wetter than average overall. Catchments 33% |
| JUNE | Slightly (by 0.4°) warmer than normal. High max 19.1° on 9th. Low max 10.5° on 24th. 3 frost days (consecutive – lowest 0.3° on 24th). 2 windy days incl 70 km/h on 3rd. | Av max 14.0. June av max. is 14.5. Av min 6.7. Av is 6.4. | Breakwater 92.0 mm. Urban area averaged 100.0 mm. June normal is 47.3. | Breakwater 211.2 mm. Urban area 228.0 mm. Normal Geelong cumulative total (6 months) is 234.1 mm. | Much wetter month than normal over whole region. 21 rain days. Wettest day 3rd (32.8 mm at Bkwtr) but >40 at Marshall. Several fogs and 3 frosts. Catchments 38%. |
| JULY | Warmer by 1.2°. High temp 18.0° on 6th; lowest 11.5° on 30th. Several fogs. 5 very windy days incl 76 km/h at Breakwater on 10th (Some damage). | Av max 14.6 *** July av max. is 14.0 Av min 7.3. Av is 5.8. | Breakwater 33.8 mm. Urban area averaged 34.0 mm. July normal is 45.0. | Breakwater 245.0 mm. Urban area 262.0 mm. Normal Geelong cumulative total (7 months) is 274.1 mm. | Drier than normal over most of the region. 18 rain days. No frosts, no severe storms, Catchments now 51% of capacity. |
| AUG | Cooler by 0.1°. Highest max 19.6° on 31st; lowest max 9.8° on 9th. Lowest min 0.8° on 30th; highest min 10.9° on 21st. BoM outlook wrong. | Av max 14.4. Aug av max. is 15.0. Av min 6.3. Av is 6.0. | Breakwater 56.4 mm. Urban area averaged 50.0 mm. August normal 46.8. | Breakwater 301.4 mm. Urban area 312.0 mm. Normal Geelong cumulative total (8 months) is 320.9 mm. | Wetter than average right across region except for western Otways. 18 rain days. 2 frosts on 30th and 31st. No storms; 3 very windy days. Catchments have increased to 69%. |
| SEPT | Warmer by 0.2°. High max 23.8° on 19th; lowest max 13.0° on 17th. Lowest min 2.0°; high min 14.2° on 20th. | Av max 17.2. Sept av max. is 17.1. Av min 7.5. Av is 7.2. | Breakwater 39.2 mm. Urban area averaged 35.0 mm. September normal is 51.1. | Breakwater 340.6 mm. Urban area 347 mm. Normal Geelong cumulative total (9 months) is 372.0 mm. | Drier than average across whole region. 21 rain days; 1 frost and 3 hail days. 1 thunder day (1st) and 1 very windy day (63 km/h on 21st). Catchments now 71%. |
| OCT | Warmer by 1.1°. 3 days >30°, incl 34.4° on 24th. Lowest max 14.1° on 8th, lowest min 2.2° on 1st, highest min 14.9° on 25th. | Av max 21.1. Oct av max. is 9.4. Av min 8.8. Av is 8.4. | Breakwater 24.2 mm. Urban area averaged 24.0 mm. October normal is 50.8. | Breakwater 364.8 mm. Urban area 371.0 mm. Normal Geelong cumulative total (10 months) is 422.8 mm. | Very dry in whole region (Positive IOD). 14 rain days. 1 thunder day, no storms. 5 days of very strong wind gusts >60 km/h, incl 76 km/h on 6th. Catchments 70%. |
| NOV | Cooler by 0.35°. 3 days >30°. Hottest max 39.2° on 21st. Lowest max 14.3° on 8th. Highest min 15.6° on 21st. Lowest min 4.9°*** on 5th. | Av max 21.4*** Nov av max is 21.4. Av min 9.7. Av is 10.4. | Breakwater 53.4 mm. Urban area averaged 50.0 mm. November normal is 52.2. | Breakwater 418.2 mm. Urban area 421.0 mm. Normal Geelong cumulative total (11 months) is 475.0 mm. | Average to above average rain across most of region. 1 thunder day (21st). 1 severe wind storm incl 96 km/h on 21st, incl widespread damage. 5 strong wind days. Catchments 71%. |
| DEC | Warmer by xx°. Highest max 45.1° on 20th. Lowest max 15.7° on 1st. Highest min xx° on st. Lowest min 8.2° on 2nd. 4 days >30° incl 3 >40° (Dec record). | Av max ° *** Dec av max. is 23.6. Av min °. Av is 11.9. | Breakwater mm. Urban area averaged mm. December normal is 38.7. | Breakwater mm. Urban area mm. Normal Geelong cumulative total (12 months) is 513.7 mm. | Very dry again across the region. 4 very strong wind gusts (top 70 km/h on 3rd, plus 2 days of 59 km/h gusts. Extremely violent hot winds on 20th. Smoke haze on 25th. Catchments 66 %. |
*** Indicates a patched figure has been assigned by GWS owing to a malfunction of the BoM station or its transmission.
SUMMARY: New major records and extremes set: 3.(See red bold print above); Year warmer by ° C, Mean daily temp ° (1988-2017 mean 14.5°C); Total annual urban area rainfall: xx mm. Tornadoes: 1 (Suspected) Lake Purrumbete on 1 May; Hottest Day: 45.1° on 20 Dec; Warmest Night: 21.6° on 2 May; Coldest Day: 9.6° on 29 May; Coldest Night: 0.8° on 30 August; Wettest Day: 32.8 mm on 3 June; Wettest Month: June (100.0 mm); Driest Month: Jan (4 mm); No of Days above 30°C: 34 (average 21); Number of “Thunder Days” in Urban area: 11 (21 in 2018); Number of severe storms: 2 ; Weather-related fatalities: nil; Strongest Wind Gust: 96 km/h at Breakwater on 21 Nov; Number of frosts:6 (av = 15); Number of windy days (gusts >60 km/h): 34 (28 in 2018).
© Copyright Geelong Weather Services, 2019.