This information may change. Always check the official source.Last verified: August 2026 by

Best time to visit Argentina

In Buenos Aires: September to December — the months averaging 18–27 °C by day. 7 of the twelve months clear that band in Buenos Aires, so this is the driest run of 4 in a row.

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

Buenos Aires

  1. January: 28 °C by day, 21 °C at night, 84 mm of rain
  2. February: 27 °C by day, 20 °C at night, 103 mm of rain
  3. March: 25 °C by day, 18 °C at night, 119 mm of rain
  4. April: 21 °C by day, 15 °C at night, 100 mm of rain
  5. May: 17 °C by day, 11 °C at night, 73 mm of rain
  6. June: 14 °C by day, 9 °C at night, 57 mm of rain
  7. July: 14 °C by day, 8 °C at night, 73 mm of rain
  8. August: 16 °C by day, 9 °C at night, 70 mm of rain
  9. September: 18 °C by day, 11 °C at night, 76 mm of rain, recommended
  10. October: 21 °C by day, 14 °C at night, 107 mm of rain, recommended
  11. November: 24 °C by day, 16 °C at night, 95 mm of rain, recommended
  12. December: 27 °C by day, 19 °C at night, 86 mm of rain, recommended
Warmest
January, 28 °C
Coolest
June, 14 °C
Driest
June, 57 mm
Wettest
March, 119 mm

Mendoza

March to April and September to November — 18–27 °C by day. No other month of the twelve falls inside that band in Mendoza.

  1. January: 30 °C by day, 19 °C at night, 44 mm of rain
  2. February: 28 °C by day, 18 °C at night, 43 mm of rain
  3. March: 25 °C by day, 15 °C at night, 54 mm of rain, recommended
  4. April: 21 °C by day, 11 °C at night, 36 mm of rain, recommended
  5. May: 16 °C by day, 7 °C at night, 28 mm of rain
  6. June: 13 °C by day, 4 °C at night, 20 mm of rain
  7. July: 13 °C by day, 3 °C at night, 16 mm of rain
  8. August: 16 °C by day, 5 °C at night, 24 mm of rain
  9. September: 19 °C by day, 7 °C at night, 24 mm of rain, recommended
  10. October: 23 °C by day, 11 °C at night, 40 mm of rain, recommended
  11. November: 27 °C by day, 15 °C at night, 38 mm of rain, recommended
  12. December: 29 °C by day, 17 °C at night, 36 mm of rain
Warmest
January, 30 °C
Coolest
June, 13 °C
Driest
July, 16 mm
Wettest
March, 54 mm

Bariloche

December to March — 18–27 °C by day. No other month of the twelve falls inside that band in Bariloche.

  1. January: 21 °C by day, 10 °C at night, 33 mm of rain, recommended
  2. February: 21 °C by day, 10 °C at night, 35 mm of rain, recommended
  3. March: 18 °C by day, 9 °C at night, 42 mm of rain, recommended
  4. April: 13 °C by day, 6 °C at night, 82 mm of rain
  5. May: 9 °C by day, 3 °C at night, 117 mm of rain
  6. June: 5 °C by day, 1 °C at night, 186 mm of rain
  7. July: 4 °C by day, 0 °C at night, 151 mm of rain
  8. August: 6 °C by day, 1 °C at night, 141 mm of rain
  9. September: 8 °C by day, 1 °C at night, 74 mm of rain
  10. October: 11 °C by day, 3 °C at night, 67 mm of rain
  11. November: 15 °C by day, 5 °C at night, 54 mm of rain
  12. December: 19 °C by day, 8 °C at night, 40 mm of rain, recommended
Warmest
January, 21 °C
Coolest
July, 4 °C
Driest
January, 33 mm
Wettest
June, 186 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.

Buenos Aires

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

DayNight
51015202530°C0200mmJanFebMarAprMayJunJulAugSepOctNovDecJanuary: Day 28 °C, Night 21 °C, Rain 84 mm. February: Day 27 °C, Night 20 °C, Rain 103 mm. March: Day 25 °C, Night 18 °C, Rain 119 mm. April: Day 21 °C, Night 15 °C, Rain 100 mm. May: Day 17 °C, Night 11 °C, Rain 73 mm. June: Day 14 °C, Night 9 °C, Rain 57 mm. July: Day 14 °C, Night 8 °C, Rain 73 mm. August: Day 16 °C, Night 9 °C, Rain 70 mm. September: Day 18 °C, Night 11 °C, Rain 76 mm. October: Day 21 °C, Night 14 °C, Rain 107 mm. November: Day 24 °C, Night 16 °C, Rain 95 mm. December: Day 27 °C, Night 19 °C, Rain 86 mm
Show the monthly table
Buenos Aires
MonthDay (°C)Night (°C)Rain (mm)
January282184
February2720103
March2518119
April2115100
May171173
June14957
July14873
August16970
September181176
October2114107
November241695
December271986

Mendoza

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

DayNight
051015202530°C0100mmJanFebMarAprMayJunJulAugSepOctNovDecJanuary: Day 30 °C, Night 19 °C, Rain 44 mm. February: Day 28 °C, Night 18 °C, Rain 43 mm. March: Day 25 °C, Night 15 °C, Rain 54 mm. April: Day 21 °C, Night 11 °C, Rain 36 mm. May: Day 16 °C, Night 7 °C, Rain 28 mm. June: Day 13 °C, Night 4 °C, Rain 20 mm. July: Day 13 °C, Night 3 °C, Rain 16 mm. August: Day 16 °C, Night 5 °C, Rain 24 mm. September: Day 19 °C, Night 7 °C, Rain 24 mm. October: Day 23 °C, Night 11 °C, Rain 40 mm. November: Day 27 °C, Night 15 °C, Rain 38 mm. December: Day 29 °C, Night 17 °C, Rain 36 mm
Show the monthly table
Mendoza
MonthDay (°C)Night (°C)Rain (mm)
January301944
February281843
March251554
April211136
May16728
June13420
July13316
August16524
September19724
October231140
November271538
December291736

Bariloche

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

DayNight
0510152025°C0200mmJanFebMarAprMayJunJulAugSepOctNovDecJanuary: Day 21 °C, Night 10 °C, Rain 33 mm. February: Day 21 °C, Night 10 °C, Rain 35 mm. March: Day 18 °C, Night 9 °C, Rain 42 mm. April: Day 13 °C, Night 6 °C, Rain 82 mm. May: Day 9 °C, Night 3 °C, Rain 117 mm. June: Day 5 °C, Night 1 °C, Rain 186 mm. July: Day 4 °C, Night 0 °C, Rain 151 mm. August: Day 6 °C, Night 1 °C, Rain 141 mm. September: Day 8 °C, Night 1 °C, Rain 74 mm. October: Day 11 °C, Night 3 °C, Rain 67 mm. November: Day 15 °C, Night 5 °C, Rain 54 mm. December: Day 19 °C, Night 8 °C, Rain 40 mm
Show the monthly table
Bariloche
MonthDay (°C)Night (°C)Rain (mm)
January211033
February211035
March18942
April13682
May93117
June51186
July40151
August61141
September8174
October11367
November15554
December19840

Comments

No comments yet. Share the first one.

Sources (1)

What this guide was checked against. Rules and prices change — follow the official link before you rely on a detail.