Weather on December 20 in Sydney

Historical weather data for December 20 in Sydney, Australia

Avg High26°C (78°F)
Avg Low18°C (65°F)
Warmest201732°C
Coldest202217°C

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

About This Date

December 20th 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 20th was in 2017 (32°C average), while the coldest was 2022 (17°C) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 29% of December 20th dates historically, with the wettest December 20th recording 1.86" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.

Planning for December 20th in Sydney? Great weather for outdoor activities.

Year by Year History

YearHighLowPrecip
202527°C (81°F)23°C (74°F)--
202422°C (72°F)18°C (65°F)--
202319°C (67°F)19°C (66°F)--
202219°C (67°F)14°C (58°F)--
202126°C (79°F)21°C (70°F)--
202023°C (73°F)18°C (65°F)--
201926°C (79°F)19°C (67°F)0"
201828°C (82°F)20°C (68°F)1.38"
201738°C (101°F)25°C (77°F)0"
201627°C (81°F)17°C (62°F)0"
201531°C (87°F)20°C (68°F)0"
201423°C (74°F)18°C (64°F)0"
201333°C (92°F)21°C (69°F)0"
201233°C (91°F)22°C (72°F)0"
201124°C (76°F)18°C (65°F)1.48"
201022°C (71°F)13°C (56°F)0.48"
200923°C (73°F)19°C (67°F)0"
200821°C (69°F)16°C (60°F)0"
200724°C (76°F)20°C (68°F)0.02"
200623°C (73°F)19°C (66°F)1.22"
200527°C (80°F)16°C (60°F)0"
200423°C (74°F)18°C (64°F)0.08"
200324°C (75°F)20°C (68°F)0"
200227°C (80°F)19°C (66°F)0"
200127°C (81°F)18°C (65°F)0"
200031°C (87°F)20°C (68°F)0"
199921°C (69°F)14°C (57°F)0.46"
199829°C (85°F)19°C (66°F)0"
199726°C (78°F)19°C (67°F)1.24"
199622°C (71°F)16°C (61°F)0"
199523°C (73°F)17°C (62°F)0"
199429°C (85°F)21°C (70°F)0"
199325°C (77°F)20°C (68°F)0"
199226°C (78°F)18°C (65°F)0"
199124°C (76°F)14°C (58°F)0"
199028°C (83°F)21°C (69°F)0.08"
198928°C (83°F)19°C (67°F)0"
198827°C (81°F)22°C (71°F)0.02"
198725°C (77°F)17°C (63°F)0"
198624°C (75°F)17°C (63°F)0"
198539°C (102°F)23°C (74°F)0"
198429°C (85°F)18°C (64°F)0"
198327°C (80°F)18°C (65°F)0"
198223°C (73°F)17°C (63°F)0.04"
198122°C (71°F)19°C (66°F)0.18"
198028°C (82°F)17°C (62°F)0"
197924°C (75°F)19°C (67°F)0"
197821°C (70°F)14°C (58°F)0.52"
197723°C (73°F)19°C (66°F)0.08"
197624°C (76°F)17°C (63°F)0"
197523°C (74°F)16°C (61°F)1.86"
197423°C (73°F)17°C (62°F)0"
197324°C (76°F)20°C (68°F)0"
197229°C (85°F)19°C (67°F)0"
197122°C (72°F)17°C (63°F)0.03"

Popular Dates in Sydney

December 20 in Other Australia Cities

Browse by Country

Explore More Dates

See historical weather for other dates in Sydney

Back to Sydney