NOAA GHCND · LIVE

Weather on May 15 in Sydney

Historical weather data for May 15 in Sydney, Australia

Avg High20°C (68°F)
Avg Low12°C (54°F)
Warmest202222°C
Coldest197113°C

Based on 56 years of data from SYDNEY (OBSERVATORY HILL)

About This Date

May 15th in Sydney, Australia typically brings mild spring weather, with average highs around 20°C and lows near 12°C. Over 56 years of records, the warmest May 15th was in 2022 (22°C average), while the coldest was 1971 (13°C) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 39% of May 15th dates historically, with the wettest May 15th recording 5.74" of rain. The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.

Planning for May 15th in Sydney? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecip (mm)
2026--16°C (60°F)--
202520°C (68°F)17°C (63°F)--
202421°C (70°F)16°C (60°F)--
202321°C (70°F)13°C (56°F)--
202225°C (77°F)19°C (66°F)--
202117°C (62°F)12°C (54°F)--
202016°C (60°F)10°C (50°F)7 mm
201923°C (73°F)12°C (53°F)0 mm
201821°C (69°F)11°C (51°F)1 mm
201721°C (69°F)13°C (56°F)13 mm
201624°C (76°F)13°C (56°F)0 mm
201520°C (68°F)10°C (50°F)1 mm
201423°C (73°F)12°C (53°F)0 mm
201321°C (69°F)9°C (49°F)1 mm
201220°C (68°F)8°C (47°F)0 mm
201119°C (67°F)7°C (45°F)0 mm
201022°C (71°F)11°C (51°F)0 mm
200922°C (71°F)12°C (54°F)0 mm
200822°C (71°F)12°C (54°F)1 mm
200722°C (72°F)14°C (58°F)0 mm
200618°C (64°F)12°C (54°F)66 mm
200519°C (66°F)13°C (55°F)0 mm
200423°C (73°F)9°C (49°F)0 mm
200318°C (65°F)16°C (60°F)112 mm
200217°C (63°F)12°C (54°F)45 mm
200122°C (72°F)13°C (55°F)0 mm
200020°C (68°F)12°C (53°F)0 mm
199923°C (74°F)14°C (58°F)0 mm
199819°C (66°F)16°C (61°F)1 mm
199719°C (67°F)12°C (53°F)0 mm
199621°C (70°F)11°C (52°F)42 mm
199522°C (71°F)12°C (53°F)0 mm
199421°C (69°F)11°C (51°F)0 mm
199315°C (59°F)11°C (51°F)11 mm
199219°C (67°F)12°C (54°F)0 mm
199116°C (61°F)12°C (54°F)27 mm
199018°C (64°F)12°C (54°F)0 mm
198919°C (67°F)13°C (56°F)1 mm
198821°C (70°F)12°C (54°F)0 mm
198723°C (73°F)13°C (56°F)8 mm
198620°C (68°F)14°C (58°F)1 mm
198520°C (68°F)11°C (52°F)0 mm
198421°C (69°F)11°C (51°F)0 mm
198321°C (69°F)15°C (59°F)0 mm
198221°C (70°F)9°C (49°F)0 mm
198122°C (71°F)11°C (52°F)0 mm
198020°C (68°F)13°C (56°F)7 mm
197917°C (63°F)10°C (50°F)0 mm
197819°C (66°F)9°C (49°F)4 mm
197718°C (64°F)16°C (60°F)146 mm
197621°C (70°F)11°C (52°F)6 mm
197521°C (69°F)11°C (51°F)0 mm
197424°C (76°F)17°C (63°F)0 mm
197318°C (64°F)13°C (55°F)0 mm
197218°C (65°F)10°C (50°F)13 mm
197116°C (60°F)11°C (51°F)9 mm

Popular Dates in Sydney

May 15 in Other Australia Cities

Browse by Country

Explore More Dates

See historical weather for other dates in Sydney

Back to Sydney
📬 Free weekly newsletter

This week in weather history.

Five notable weather anniversaries from the week ahead — deadliest tornadoes, record temps, historic storms — every Sunday. No spam, unsubscribe anytime.

4,200+ readers · Sunday delivery