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Best time to visit Australia

In Sydney: September to January — the months averaging 18–27 °C by day. 9 of the twelve months clear that band in Sydney, so this is the driest run of 5 in a row.

Australia is not one climate. Each reference city below is answered on its own numbers.

Sydney

  1. January: 26 °C by day, 19 °C at night, 76 mm of rain, recommended
  2. February: 25 °C by day, 19 °C at night, 88 mm of rain
  3. March: 24 °C by day, 18 °C at night, 91 mm of rain
  4. April: 22 °C by day, 15 °C at night, 64 mm of rain
  5. May: 19 °C by day, 12 °C at night, 54 mm of rain
  6. June: 16 °C by day, 10 °C at night, 65 mm of rain
  7. July: 16 °C by day, 9 °C at night, 42 mm of rain
  8. August: 17 °C by day, 9 °C at night, 43 mm of rain
  9. September: 20 °C by day, 11 °C at night, 44 mm of rain, recommended
  10. October: 21 °C by day, 13 °C at night, 58 mm of rain, recommended
  11. November: 23 °C by day, 16 °C at night, 77 mm of rain, recommended
  12. December: 24 °C by day, 18 °C at night, 57 mm of rain, recommended
Warmest
January, 26 °C
Coolest
June, 16 °C
Driest
July, 42 mm
Wettest
March, 91 mm

Melbourne

December to April — 18–27 °C by day. 7 of the twelve months clear that band in Melbourne, so this is the driest run of 5 in a row.

  1. January: 26 °C by day, 15 °C at night, 54 mm of rain, recommended
  2. February: 26 °C by day, 15 °C at night, 41 mm of rain, recommended
  3. March: 23 °C by day, 14 °C at night, 37 mm of rain, recommended
  4. April: 20 °C by day, 11 °C at night, 54 mm of rain, recommended
  5. May: 16 °C by day, 9 °C at night, 48 mm of rain
  6. June: 14 °C by day, 7 °C at night, 51 mm of rain
  7. July: 13 °C by day, 7 °C at night, 48 mm of rain
  8. August: 14 °C by day, 7 °C at night, 53 mm of rain
  9. September: 17 °C by day, 8 °C at night, 59 mm of rain
  10. October: 19 °C by day, 9 °C at night, 67 mm of rain
  11. November: 21 °C by day, 11 °C at night, 70 mm of rain
  12. December: 24 °C by day, 13 °C at night, 57 mm of rain, recommended
Warmest
January, 26 °C
Coolest
July, 13 °C
Driest
March, 37 mm
Wettest
November, 70 mm

Cairns

June to October — 18–27 °C by day. 7 of the twelve months clear that band in Cairns, so this is the driest run of 5 in a row.

  1. January: 29 °C by day, 25 °C at night, 281 mm of rain
  2. February: 29 °C by day, 25 °C at night, 273 mm of rain
  3. March: 28 °C by day, 24 °C at night, 250 mm of rain
  4. April: 27 °C by day, 23 °C at night, 149 mm of rain
  5. May: 25 °C by day, 21 °C at night, 56 mm of rain
  6. June: 24 °C by day, 20 °C at night, 34 mm of rain, recommended
  7. July: 23 °C by day, 19 °C at night, 38 mm of rain, recommended
  8. August: 24 °C by day, 19 °C at night, 31 mm of rain, recommended
  9. September: 26 °C by day, 20 °C at night, 23 mm of rain, recommended
  10. October: 27 °C by day, 22 °C at night, 40 mm of rain, recommended
  11. November: 28 °C by day, 23 °C at night, 66 mm of rain
  12. December: 29 °C by day, 24 °C at night, 187 mm of rain
Warmest
January, 29 °C
Coolest
July, 23 °C
Driest
September, 23 mm
Wettest
January, 281 mm

How this is worked out: a month qualifies when its mean daytime high falls between 18 °C and 27 °C. Where more than five qualify, the answer is the driest run of consecutive qualifying months; where none do, it is the driest three months in a row if the year is hot throughout, or the warmest three if it never gets there. The figures are the thirty-year monthly averages charted below, and they are averages, not a forecast — any single year can miss them by a wide margin.

Sydney

Long-term averages for Sydney: the mean daily high, the mean overnight low and the mean monthly rainfall across 30 years of ERA5 reanalysis data (1995–2024).

DayNight
51015202530°C0100mmJanFebMarAprMayJunJulAugSepOctNovDecJanuary: Day 26 °C, Night 19 °C, Rain 76 mm. February: Day 25 °C, Night 19 °C, Rain 88 mm. March: Day 24 °C, Night 18 °C, Rain 91 mm. April: Day 22 °C, Night 15 °C, Rain 64 mm. May: Day 19 °C, Night 12 °C, Rain 54 mm. June: Day 16 °C, Night 10 °C, Rain 65 mm. July: Day 16 °C, Night 9 °C, Rain 42 mm. August: Day 17 °C, Night 9 °C, Rain 43 mm. September: Day 20 °C, Night 11 °C, Rain 44 mm. October: Day 21 °C, Night 13 °C, Rain 58 mm. November: Day 23 °C, Night 16 °C, Rain 77 mm. December: Day 24 °C, Night 18 °C, Rain 57 mm
Show the monthly table
Sydney
MonthDay (°C)Night (°C)Rain (mm)
January261976
February251988
March241891
April221564
May191254
June161065
July16942
August17943
September201144
October211358
November231677
December241857

Melbourne

Long-term averages for Melbourne: the mean daily high, the mean overnight low and the mean monthly rainfall across 30 years of ERA5 reanalysis data (1995–2024).

DayNight
51015202530°C0100mmJanFebMarAprMayJunJulAugSepOctNovDecJanuary: Day 26 °C, Night 15 °C, Rain 54 mm. February: Day 26 °C, Night 15 °C, Rain 41 mm. March: Day 23 °C, Night 14 °C, Rain 37 mm. April: Day 20 °C, Night 11 °C, Rain 54 mm. May: Day 16 °C, Night 9 °C, Rain 48 mm. June: Day 14 °C, Night 7 °C, Rain 51 mm. July: Day 13 °C, Night 7 °C, Rain 48 mm. August: Day 14 °C, Night 7 °C, Rain 53 mm. September: Day 17 °C, Night 8 °C, Rain 59 mm. October: Day 19 °C, Night 9 °C, Rain 67 mm. November: Day 21 °C, Night 11 °C, Rain 70 mm. December: Day 24 °C, Night 13 °C, Rain 57 mm
Show the monthly table
Melbourne
MonthDay (°C)Night (°C)Rain (mm)
January261554
February261541
March231437
April201154
May16948
June14751
July13748
August14753
September17859
October19967
November211170
December241357

Cairns

Long-term averages for Cairns: the mean daily high, the mean overnight low and the mean monthly rainfall across 30 years of ERA5 reanalysis data (1995–2024).

DayNight
15202530°C0500mmJanFebMarAprMayJunJulAugSepOctNovDecJanuary: Day 29 °C, Night 25 °C, Rain 281 mm. February: Day 29 °C, Night 25 °C, Rain 273 mm. March: Day 28 °C, Night 24 °C, Rain 250 mm. April: Day 27 °C, Night 23 °C, Rain 149 mm. May: Day 25 °C, Night 21 °C, Rain 56 mm. June: Day 24 °C, Night 20 °C, Rain 34 mm. July: Day 23 °C, Night 19 °C, Rain 38 mm. August: Day 24 °C, Night 19 °C, Rain 31 mm. September: Day 26 °C, Night 20 °C, Rain 23 mm. October: Day 27 °C, Night 22 °C, Rain 40 mm. November: Day 28 °C, Night 23 °C, Rain 66 mm. December: Day 29 °C, Night 24 °C, Rain 187 mm
Show the monthly table
Cairns
MonthDay (°C)Night (°C)Rain (mm)
January2925281
February2925273
March2824250
April2723149
May252156
June242034
July231938
August241931
September262023
October272240
November282366
December2924187

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