Weather on December 17 in Sydney

Historical weather data for December 17 in Sydney, Australia

Avg High26°C (78°F)
Avg Low18°C (65°F)
Warmest200927°C
Coldest202216°C

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

About This Date

December 17th in Sydney, Australia typically brings pleasant winter weather, with average highs around 26°C and lows near 18°C. Over 55 years of records, the warmest December 17th was in 2009 (27°C average), while the coldest was 2022 (16°C) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 40% of December 17th dates historically, with the wettest December 17th recording 1.38" of rain. Temperatures on this date have remained relatively stable over the past several decades.

Temperatures on this date have remained relatively stable over the past several decades.

Planning for December 17th in Sydney? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecip
202522°C (72°F)19°C (67°F)--
202427°C (80°F)23°C (73°F)--
202323°C (74°F)21°C (70°F)--
202218°C (65°F)14°C (58°F)--
202123°C (73°F)19°C (66°F)--
202027°C (80°F)22°C (71°F)--
201924°C (75°F)17°C (62°F)0"
201831°C (87°F)21°C (70°F)0.02"
201727°C (80°F)22°C (71°F)0.06"
201634°C (93°F)18°C (65°F)1.04"
201526°C (79°F)17°C (62°F)0.98"
201424°C (75°F)19°C (67°F)0"
201326°C (79°F)19°C (66°F)0.02"
201223°C (73°F)19°C (66°F)0.04"
201122°C (71°F)17°C (63°F)0"
201027°C (80°F)18°C (64°F)0.76"
200932°C (90°F)22°C (71°F)0"
200826°C (79°F)18°C (64°F)0"
200724°C (75°F)18°C (64°F)1.38"
200622°C (72°F)14°C (58°F)0"
200532°C (89°F)19°C (67°F)0.42"
200426°C (78°F)19°C (66°F)0"
200327°C (80°F)19°C (67°F)0"
200226°C (79°F)21°C (70°F)0"
200124°C (76°F)19°C (66°F)0"
200028°C (82°F)18°C (65°F)0"
199922°C (71°F)19°C (67°F)0.18"
199826°C (78°F)19°C (66°F)0.1"
199733°C (91°F)18°C (65°F)0"
199619°C (66°F)17°C (63°F)0.94"
199523°C (74°F)16°C (61°F)0.08"
199429°C (85°F)20°C (68°F)0"
199323°C (73°F)18°C (65°F)0"
199222°C (71°F)17°C (62°F)0.7"
199125°C (77°F)17°C (63°F)0"
199028°C (83°F)21°C (70°F)0"
198923°C (73°F)16°C (61°F)0"
198826°C (78°F)20°C (68°F)0.46"
198726°C (78°F)21°C (70°F)0"
198629°C (85°F)19°C (66°F)0.19"
198527°C (80°F)19°C (67°F)0.62"
198427°C (81°F)22°C (71°F)0"
198323°C (74°F)19°C (67°F)0"
198226°C (78°F)19°C (66°F)0"
198123°C (74°F)17°C (62°F)0"
198026°C (78°F)16°C (60°F)0.04"
197928°C (82°F)18°C (64°F)0"
197823°C (74°F)15°C (59°F)0"
197728°C (82°F)19°C (67°F)0"
197624°C (76°F)17°C (62°F)0"
197532°C (90°F)21°C (69°F)0.04"
197427°C (80°F)20°C (68°F)0"
197324°C (76°F)19°C (66°F)0.23"
197223°C (74°F)17°C (63°F)0.15"
197120°C (68°F)14°C (57°F)0.1"

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