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Best time to visit Bulgaria

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

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

Sofia

  1. January: 4 °C by day, -4 °C at night, 48 mm of rain
  2. February: 7 °C by day, -3 °C at night, 38 mm of rain
  3. March: 10 °C by day, 0 °C at night, 57 mm of rain
  4. April: 16 °C by day, 5 °C at night, 59 mm of rain
  5. May: 20 °C by day, 10 °C at night, 71 mm of rain, recommended
  6. June: 24 °C by day, 14 °C at night, 63 mm of rain, recommended
  7. July: 27 °C by day, 16 °C at night, 46 mm of rain, recommended
  8. August: 27 °C by day, 17 °C at night, 38 mm of rain, recommended
  9. September: 22 °C by day, 12 °C at night, 39 mm of rain, recommended
  10. October: 17 °C by day, 7 °C at night, 52 mm of rain
  11. November: 11 °C by day, 2 °C at night, 43 mm of rain
  12. December: 5 °C by day, -2 °C at night, 53 mm of rain
Warmest
July, 27 °C
Coolest
January, 4 °C
Driest
February, 38 mm
Wettest
May, 71 mm

Varna

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

  1. January: 6 °C by day, 0 °C at night, 52 mm of rain
  2. February: 8 °C by day, 1 °C at night, 39 mm of rain
  3. March: 11 °C by day, 3 °C at night, 49 mm of rain
  4. April: 15 °C by day, 7 °C at night, 49 mm of rain
  5. May: 20 °C by day, 13 °C at night, 60 mm of rain, recommended
  6. June: 25 °C by day, 17 °C at night, 65 mm of rain, recommended
  7. July: 28 °C by day, 20 °C at night, 47 mm of rain
  8. August: 28 °C by day, 20 °C at night, 40 mm of rain
  9. September: 23 °C by day, 16 °C at night, 55 mm of rain, recommended
  10. October: 18 °C by day, 11 °C at night, 50 mm of rain, recommended
  11. November: 13 °C by day, 7 °C at night, 50 mm of rain
  12. December: 8 °C by day, 2 °C at night, 55 mm of rain
Warmest
July, 28 °C
Coolest
January, 6 °C
Driest
February, 39 mm
Wettest
June, 65 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.

Sofia

Long-term averages for Sofia: 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 4 °C, Night -4 °C, Rain 48 mm. February: Day 7 °C, Night -3 °C, Rain 38 mm. March: Day 10 °C, Night 0 °C, Rain 57 mm. April: Day 16 °C, Night 5 °C, Rain 59 mm. May: Day 20 °C, Night 10 °C, Rain 71 mm. June: Day 24 °C, Night 14 °C, Rain 63 mm. July: Day 27 °C, Night 16 °C, Rain 46 mm. August: Day 27 °C, Night 17 °C, Rain 38 mm. September: Day 22 °C, Night 12 °C, Rain 39 mm. October: Day 17 °C, Night 7 °C, Rain 52 mm. November: Day 11 °C, Night 2 °C, Rain 43 mm. December: Day 5 °C, Night -2 °C, Rain 53 mm
Show the monthly table
Sofia
MonthDay (°C)Night (°C)Rain (mm)
January4-448
February7-338
March10057
April16559
May201071
June241463
July271646
August271738
September221239
October17752
November11243
December5-253

Varna

Long-term averages for Varna: 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 6 °C, Night 0 °C, Rain 52 mm. February: Day 8 °C, Night 1 °C, Rain 39 mm. March: Day 11 °C, Night 3 °C, Rain 49 mm. April: Day 15 °C, Night 7 °C, Rain 49 mm. May: Day 20 °C, Night 13 °C, Rain 60 mm. June: Day 25 °C, Night 17 °C, Rain 65 mm. July: Day 28 °C, Night 20 °C, Rain 47 mm. August: Day 28 °C, Night 20 °C, Rain 40 mm. September: Day 23 °C, Night 16 °C, Rain 55 mm. October: Day 18 °C, Night 11 °C, Rain 50 mm. November: Day 13 °C, Night 7 °C, Rain 50 mm. December: Day 8 °C, Night 2 °C, Rain 55 mm
Show the monthly table
Varna
MonthDay (°C)Night (°C)Rain (mm)
January6052
February8139
March11349
April15749
May201360
June251765
July282047
August282040
September231655
October181150
November13750
December8255

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Sources (1)

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