Weather on June 21 in Sydney

Historical weather data for June 21 in Sydney, Australia

Avg High18°C (64°F)
Avg Low10°C (50°F)
Warmest198717°C
Coldest19959°C

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

About This Date

June 21st 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 June 21st was in 1987 (17°C average), while the coldest was 1995 (9°C) — a 15°F range across recorded history. Rain or other precipitation has occurred on about 44% of June 21st dates historically, with the wettest June 21st recording 10.6" 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 June 21st in Sydney? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecip
202519°C (67°F)9°C (48°F)--
202417°C (62°F)9°C (48°F)--
202318°C (64°F)7°C (45°F)--
202221°C (70°F)11°C (52°F)--
202116°C (60°F)12°C (53°F)--
202019°C (67°F)9°C (49°F)0.44"
201916°C (61°F)8°C (46°F)0"
201816°C (61°F)10°C (50°F)0.6"
201719°C (67°F)8°C (47°F)0"
201618°C (65°F)15°C (59°F)0"
201514°C (57°F)8°C (47°F)0.12"
201422°C (71°F)11°C (51°F)0"
201317°C (63°F)8°C (46°F)0"
201219°C (66°F)8°C (47°F)0"
201121°C (69°F)12°C (53°F)0"
201016°C (61°F)10°C (50°F)0.82"
200919°C (66°F)12°C (53°F)3.18"
200818°C (65°F)12°C (53°F)0.22"
200716°C (61°F)8°C (46°F)0"
200614°C (58°F)11°C (51°F)0.28"
200518°C (64°F)12°C (53°F)0"
200421°C (69°F)9°C (48°F)0"
200317°C (63°F)11°C (52°F)0.36"
200217°C (62°F)8°C (47°F)0"
200119°C (66°F)9°C (49°F)0"
200022°C (72°F)11°C (51°F)0.02"
199918°C (65°F)7°C (45°F)0"
199818°C (65°F)10°C (50°F)0"
199718°C (65°F)8°C (47°F)0.06"
199619°C (67°F)10°C (50°F)0"
199511°C (51°F)7°C (45°F)0"
199417°C (63°F)8°C (47°F)0"
199320°C (68°F)11°C (51°F)0"
199218°C (64°F)9°C (49°F)0.34"
199121°C (69°F)13°C (55°F)0"
199018°C (65°F)7°C (44°F)0"
198916°C (61°F)13°C (55°F)2.6"
198819°C (66°F)10°C (50°F)0"
198721°C (69°F)13°C (56°F)0.06"
198614°C (58°F)5°C (41°F)0"
198512°C (53°F)9°C (48°F)1.24"
198418°C (64°F)10°C (50°F)2.88"
198317°C (63°F)11°C (52°F)0.42"
198214°C (58°F)6°C (43°F)0.08"
198116°C (61°F)11°C (51°F)1.74"
198018°C (64°F)8°C (47°F)0"
197917°C (63°F)16°C (60°F)1.96"
197816°C (61°F)9°C (49°F)1.48"
197717°C (62°F)11°C (51°F)0.64"
197617°C (63°F)12°C (54°F)1.3"
197514°C (57°F)11°C (52°F)10.6"
197417°C (62°F)9°C (48°F)0"
197320°C (68°F)12°C (53°F)0.03"
197216°C (61°F)9°C (48°F)0"
197118°C (65°F)6°C (43°F)0"

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