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Best time to visit Romania

In Bucharest: May to June and September — the months averaging 18–27 °C by day. No other month of the twelve falls inside that band in Bucharest.

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

Bucharest

  1. January: 3 °C by day, -4 °C at night, 46 mm of rain
  2. February: 7 °C by day, -2 °C at night, 32 mm of rain
  3. March: 11 °C by day, 1 °C at night, 48 mm of rain
  4. April: 17 °C by day, 6 °C at night, 59 mm of rain
  5. May: 23 °C by day, 12 °C at night, 65 mm of rain, recommended
  6. June: 27 °C by day, 16 °C at night, 82 mm of rain, recommended
  7. July: 29 °C by day, 19 °C at night, 68 mm of rain
  8. August: 29 °C by day, 19 °C at night, 50 mm of rain
  9. September: 24 °C by day, 14 °C at night, 62 mm of rain, recommended
  10. October: 17 °C by day, 8 °C at night, 49 mm of rain
  11. November: 11 °C by day, 3 °C at night, 49 mm of rain
  12. December: 5 °C by day, -2 °C at night, 48 mm of rain
Warmest
July, 29 °C
Coolest
January, 3 °C
Driest
February, 32 mm
Wettest
June, 82 mm

Constanta

May to September — 18–27 °C by day. No other month of the twelve falls inside that band in Constanta.

  1. January: 5 °C by day, 0 °C at night, 47 mm of rain
  2. February: 7 °C by day, 1 °C at night, 34 mm of rain
  3. March: 10 °C by day, 3 °C at night, 42 mm of rain
  4. April: 14 °C by day, 7 °C at night, 44 mm of rain
  5. May: 20 °C by day, 13 °C at night, 46 mm of rain, recommended
  6. June: 25 °C by day, 18 °C at night, 56 mm of rain, recommended
  7. July: 27 °C by day, 20 °C at night, 39 mm of rain, recommended
  8. August: 27 °C by day, 20 °C at night, 36 mm of rain, recommended
  9. September: 23 °C by day, 16 °C at night, 54 mm of rain, recommended
  10. October: 17 °C by day, 11 °C at night, 45 mm of rain
  11. November: 12 °C by day, 6 °C at night, 47 mm of rain
  12. December: 7 °C by day, 2 °C at night, 48 mm of rain
Warmest
July, 27 °C
Coolest
January, 5 °C
Driest
February, 34 mm
Wettest
June, 56 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.

Bucharest

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

DayNight
-551525°C0100mmJanFebMarAprMayJunJulAugSepOctNovDecJanuary: Day 3 °C, Night -4 °C, Rain 46 mm. February: Day 7 °C, Night -2 °C, Rain 32 mm. March: Day 11 °C, Night 1 °C, Rain 48 mm. April: Day 17 °C, Night 6 °C, Rain 59 mm. May: Day 23 °C, Night 12 °C, Rain 65 mm. June: Day 27 °C, Night 16 °C, Rain 82 mm. July: Day 29 °C, Night 19 °C, Rain 68 mm. August: Day 29 °C, Night 19 °C, Rain 50 mm. September: Day 24 °C, Night 14 °C, Rain 62 mm. October: Day 17 °C, Night 8 °C, Rain 49 mm. November: Day 11 °C, Night 3 °C, Rain 49 mm. December: Day 5 °C, Night -2 °C, Rain 48 mm
Show the monthly table
Bucharest
MonthDay (°C)Night (°C)Rain (mm)
January3-446
February7-232
March11148
April17659
May231265
June271682
July291968
August291950
September241462
October17849
November11349
December5-248

Constanta

Long-term averages for Constanta: 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 5 °C, Night 0 °C, Rain 47 mm. February: Day 7 °C, Night 1 °C, Rain 34 mm. March: Day 10 °C, Night 3 °C, Rain 42 mm. April: Day 14 °C, Night 7 °C, Rain 44 mm. May: Day 20 °C, Night 13 °C, Rain 46 mm. June: Day 25 °C, Night 18 °C, Rain 56 mm. July: Day 27 °C, Night 20 °C, Rain 39 mm. August: Day 27 °C, Night 20 °C, Rain 36 mm. September: Day 23 °C, Night 16 °C, Rain 54 mm. October: Day 17 °C, Night 11 °C, Rain 45 mm. November: Day 12 °C, Night 6 °C, Rain 47 mm. December: Day 7 °C, Night 2 °C, Rain 48 mm
Show the monthly table
Constanta
MonthDay (°C)Night (°C)Rain (mm)
January5047
February7134
March10342
April14744
May201346
June251856
July272039
August272036
September231654
October171145
November12647
December7248

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Sources (1)

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