Weather on May 21 in Sydney

Historical weather data for May 21 in Sydney, Australia

Avg High20°C (68°F)
Avg Low12°C (54°F)
Warmest201920°C
Coldest197213°C

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

About This Date

May 21st in Sydney, Australia typically brings mild spring weather, with average highs around 20°C and lows near 12°C. Over 55 years of records, the warmest May 21st was in 2019 (20°C average), while the coldest was 1972 (13°C) — a 13°F range across recorded history. Rain or other precipitation has occurred on about 40% of May 21st dates historically, with the wettest May 21st recording 5.26" of rain. The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.

Planning for May 21st in Sydney? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecip
202521°C (70°F)17°C (63°F)--
202418°C (64°F)13°C (55°F)--
202318°C (65°F)12°C (53°F)--
202219°C (67°F)12°C (53°F)--
202118°C (64°F)12°C (54°F)--
202018°C (65°F)15°C (59°F)0.02"
201927°C (81°F)13°C (55°F)0"
201822°C (72°F)12°C (53°F)0"
201723°C (74°F)14°C (57°F)0"
201622°C (71°F)13°C (56°F)0"
201522°C (71°F)14°C (58°F)0.02"
201423°C (74°F)15°C (59°F)0"
201323°C (73°F)10°C (50°F)0"
201221°C (70°F)12°C (54°F)0.04"
201123°C (74°F)12°C (54°F)0"
201019°C (67°F)12°C (53°F)0"
200919°C (67°F)15°C (59°F)2.72"
200819°C (66°F)11°C (52°F)0"
200722°C (71°F)15°C (59°F)0"
200619°C (67°F)11°C (52°F)0"
200522°C (71°F)11°C (51°F)0.04"
200423°C (74°F)12°C (53°F)0"
200322°C (71°F)13°C (56°F)0"
200219°C (66°F)11°C (52°F)0.26"
200120°C (68°F)11°C (51°F)0"
200018°C (65°F)11°C (52°F)0.66"
199919°C (66°F)12°C (54°F)0"
199820°C (68°F)13°C (55°F)0.02"
199719°C (67°F)13°C (56°F)0.68"
199619°C (66°F)10°C (50°F)0.02"
199518°C (65°F)12°C (53°F)0"
199418°C (64°F)9°C (48°F)0"
199321°C (70°F)10°C (50°F)0"
199218°C (65°F)12°C (53°F)1.78"
199119°C (67°F)17°C (62°F)0.14"
199018°C (65°F)8°C (46°F)1.56"
198919°C (66°F)13°C (55°F)0.26"
198819°C (66°F)11°C (52°F)0"
198718°C (65°F)12°C (54°F)0.92"
198621°C (69°F)11°C (51°F)0"
198516°C (60°F)13°C (55°F)0.8"
198419°C (66°F)13°C (56°F)0.34"
198317°C (63°F)13°C (56°F)5.26"
198219°C (67°F)11°C (52°F)0"
198118°C (65°F)12°C (53°F)0"
198018°C (64°F)8°C (47°F)0"
197919°C (67°F)12°C (54°F)1.1"
197819°C (67°F)13°C (55°F)4.28"
197720°C (68°F)15°C (59°F)0"
197622°C (72°F)11°C (51°F)0"
197527°C (80°F)12°C (54°F)0"
197421°C (69°F)10°C (50°F)0"
197319°C (66°F)11°C (52°F)0"
197216°C (61°F)10°C (50°F)1.52"
197118°C (64°F)13°C (56°F)0.58"

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