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
- JanuaryAvoidListed as a month to avoid: Jul–Aug (hot and dry), Dec–Feb (cold, snow on the passes).5 °C (41 °F) / -2 °C (28 °F), 12 rain days41 °F (5 °C) / 28 °F (-2 °C), 12 rain daysCrowds: Low
- FebruaryAvoidListed as a month to avoid: Jul–Aug (hot and dry), Dec–Feb (cold, snow on the passes).7 °C (45 °F) / -2 °C (28 °F), 11 rain days45 °F (7 °C) / 28 °F (-2 °C), 11 rain daysCrowds: Low
- 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 (52 °F) / 1 °C (34 °F), 11 rain days52 °F (11 °C) / 34 °F (1 °C), 11 rain daysCrowds: Medium · 1 festival or holiday
- 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 (61 °F) / 5 °C (41 °F), 11 rain days61 °F (16 °C) / 41 °F (5 °C), 11 rain daysCrowds: Medium
- MayGreatInside Bolu's best window: May–Jun, Sep–Oct.21 °C (70 °F) / 9 °C (48 °F), 11 rain days70 °F (21 °C) / 48 °F (9 °C), 11 rain daysCrowds: High · 1 festival or holiday
- JuneGreatInside Bolu's best window: May–Jun, Sep–Oct.25 °C (77 °F) / 12 °C (54 °F), 9 rain days77 °F (25 °C) / 54 °F (12 °C), 9 rain daysCrowds: High
- JulyAvoidListed as a month to avoid: Jul–Aug (hot and dry), Dec–Feb (cold, snow on the passes).28 °C (82 °F) / 14 °C (57 °F), 6 rain days82 °F (28 °C) / 57 °F (14 °C), 6 rain daysCrowds: High
- AugustAvoidListed as a month to avoid: Jul–Aug (hot and dry), Dec–Feb (cold, snow on the passes).28 °C (82 °F) / 14 °C (57 °F), 5 rain days82 °F (28 °C) / 57 °F (14 °C), 5 rain daysCrowds: High
- SeptemberGreatInside Bolu's best window: May–Jun, Sep–Oct.24 °C (75 °F) / 11 °C (52 °F), 6 rain days75 °F (24 °C) / 52 °F (11 °C), 6 rain daysCrowds: Medium
- OctoberGreatInside Bolu's best window: May–Jun, Sep–Oct.19 °C (66 °F) / 7 °C (45 °F), 9 rain days66 °F (19 °C) / 45 °F (7 °C), 9 rain daysCrowds: Medium
- NovemberMixedOutside the best window (May–Jun, Sep–Oct). Across Türkiye (Turkey): Rain begins; Istanbul and Cappadocia fine, coastal resorts close.12 °C (54 °F) / 3 °C (37 °F), 10 rain days54 °F (12 °C) / 37 °F (3 °C), 10 rain daysCrowds: Low
- DecemberAvoidListed as a month to avoid: Jul–Aug (hot and dry), Dec–Feb (cold, snow on the passes).7 °C (45 °F) / 0 °C (32 °F), 12 rain days45 °F (7 °C) / 32 °F (0 °C), 12 rain daysCrowds: Low
Compare two months
Weather, crowds and prices for any two months in Bolu, side by side.
Verdict
May: Great
Jun: Great
Daytime high
May: 21 °C (70 °F)70 °F (21 °C)
Jun: 25 °C (77 °F)77 °F (25 °C)
Night low
May: 9 °C (48 °F)48 °F (9 °C)
Jun: 12 °C (54 °F)54 °F (12 °C)
Rain days
May: 11
Jun: 9 (better)
Crowds
May: High
Jun: High
Prices
May: Medium
Jun: High
Festivals listed
May: 1
Jun: 0
May: Inside Bolu's best window: May–Jun, Sep–Oct.
June: Inside Bolu's best window: May–Jun, Sep–Oct.
Bolu: figures are long-term averages from this guide, not a forecast.