Weather on August 18 in Sydney

Historical weather data for August 18 in Sydney, Australia

Avg High18°C (65°F)
Avg Low10°C (50°F)
Warmest198821°C
Coldest197311°C

Based on 55 years of data from SYDNEY (OBSERVATORY HILL)

About This Date

August 18th in Sydney, Australia typically brings mild summer weather, with average highs around 18°C and lows near 10°C. Over 55 years of records, the warmest August 18th was in 1988 (21°C average), while the coldest was 1973 (11°C) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 27% of August 18th dates historically, with the wettest August 18th recording 10.54" of rain. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.

Planning for August 18th in Sydney? Great weather for outdoor activities.

Year by Year History

YearHighLowPrecip
202514°C (57°F)8°C (47°F)--
202416°C (61°F)13°C (56°F)--
202318°C (64°F)12°C (54°F)--
202221°C (69°F)11°C (51°F)--
202118°C (64°F)10°C (50°F)--
202022°C (71°F)11°C (52°F)0"
201920°C (68°F)9°C (49°F)0"
201823°C (73°F)9°C (48°F)0"
201717°C (62°F)12°C (53°F)0"
201623°C (73°F)12°C (53°F)0"
201516°C (61°F)11°C (52°F)0"
201416°C (60°F)11°C (52°F)2.18"
201323°C (74°F)11°C (52°F)0"
201218°C (65°F)9°C (49°F)0"
201119°C (66°F)11°C (52°F)0.56"
201020°C (68°F)7°C (44°F)0"
200919°C (66°F)9°C (48°F)0"
200816°C (60°F)6°C (42°F)0"
200718°C (65°F)9°C (48°F)0"
200623°C (73°F)13°C (55°F)0"
200521°C (69°F)8°C (46°F)0"
200412°C (54°F)9°C (49°F)10.54"
200319°C (67°F)11°C (51°F)0"
200216°C (61°F)9°C (49°F)0.14"
200117°C (63°F)9°C (49°F)0"
200017°C (62°F)9°C (49°F)0"
199921°C (69°F)8°C (47°F)0"
199818°C (65°F)13°C (55°F)3.96"
199719°C (67°F)11°C (51°F)0"
199619°C (67°F)8°C (46°F)0"
199526°C (78°F)14°C (57°F)0"
199415°C (59°F)9°C (48°F)0.66"
199321°C (70°F)9°C (49°F)0"
199216°C (61°F)12°C (53°F)0"
199116°C (60°F)6°C (43°F)0"
199016°C (61°F)7°C (45°F)0"
198918°C (65°F)11°C (52°F)1.44"
198824°C (76°F)18°C (65°F)0.02"
198717°C (63°F)14°C (57°F)3.1"
198618°C (65°F)9°C (48°F)0"
198517°C (63°F)9°C (49°F)0"
198420°C (68°F)11°C (51°F)0"
198316°C (61°F)8°C (47°F)0.14"
198218°C (64°F)9°C (48°F)0.02"
198118°C (65°F)12°C (54°F)0"
198019°C (66°F)10°C (50°F)0.06"
197917°C (63°F)11°C (51°F)0.02"
197813°C (56°F)9°C (49°F)0"
197719°C (66°F)8°C (46°F)0"
197618°C (65°F)11°C (52°F)0"
197521°C (69°F)7°C (44°F)0"
197418°C (65°F)8°C (46°F)0"
197314°C (58°F)7°C (45°F)0.03"
197216°C (61°F)7°C (45°F)0.25"
197119°C (67°F)8°C (47°F)0"

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