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When to go · Bolu

Bolu, month by month

The best months for Bolu: May, Jun, Sep, Oct. Months to avoid: Jan, Feb, Jul, Aug, Dec.

Month by month

  1. JanuaryAvoidListed as a month to avoid: Jul–Aug (hot and dry), Dec–Feb (cold, snow on the passes).5 °C / -2 °C, 12 rain daysCrowds: Low
  2. FebruaryAvoidListed as a month to avoid: Jul–Aug (hot and dry), Dec–Feb (cold, snow on the passes).7 °C / -2 °C, 11 rain daysCrowds: Low
  3. MarchMixedOutside the best window (May–Jun, Sep–Oct). Across Türkiye (Turkey): Warming but changeable; Ramazan Bayramı 9–11 Mar 2027 fills transport — check dates.11 °C / 1 °C, 11 rain daysCrowds: Medium · 1 festival or holiday
  4. AprilGoodOutside the best window (May–Jun, Sep–Oct). Across Türkiye (Turkey): Tulips in Istanbul, green Cappadocia, empty ruins; Easter and the 23 April holiday add crowds.16 °C / 5 °C, 11 rain daysCrowds: Medium
  5. MayGreatInside Bolu's best window: May–Jun, Sep–Oct.21 °C / 9 °C, 11 rain daysCrowds: High · 1 festival or holiday
  6. JuneGreatInside Bolu's best window: May–Jun, Sep–Oct.25 °C / 12 °C, 9 rain daysCrowds: High
  7. JulyAvoidListed as a month to avoid: Jul–Aug (hot and dry), Dec–Feb (cold, snow on the passes).28 °C / 14 °C, 6 rain daysCrowds: High
  8. AugustAvoidListed as a month to avoid: Jul–Aug (hot and dry), Dec–Feb (cold, snow on the passes).28 °C / 14 °C, 5 rain daysCrowds: High
  9. SeptemberGreatInside Bolu's best window: May–Jun, Sep–Oct.24 °C / 11 °C, 6 rain daysCrowds: Medium
  10. OctoberGreatInside Bolu's best window: May–Jun, Sep–Oct.19 °C / 7 °C, 9 rain daysCrowds: Medium
  11. NovemberMixedOutside the best window (May–Jun, Sep–Oct). Across Türkiye (Turkey): Rain begins; Istanbul and Cappadocia fine, coastal resorts close.12 °C / 3 °C, 10 rain daysCrowds: Low
  12. DecemberAvoidListed as a month to avoid: Jul–Aug (hot and dry), Dec–Feb (cold, snow on the passes).7 °C / 0 °C, 12 rain daysCrowds: Low