When to go · Koshu
Koshu, month by month
The best months for Koshu: Apr, May, Jun, Jul, Aug, Sep, Oct. Months to avoid: Jan, Feb.
Month by month
- JanuaryAvoidListed as a month to avoid: Jan–Feb (cold, snow in highlands).8 °C (46 °F) / 0 °C (32 °F), 2 rain days46 °F (8 °C) / 32 °F (0 °C), 2 rain daysCrowds: Low · 1 festival or holiday
- FebruaryAvoidListed as a month to avoid: Jan–Feb (cold, snow in highlands).9 °C (48 °F) / 1 °C (34 °F), 3 rain days48 °F (9 °C) / 34 °F (1 °C), 3 rain daysCrowds: Low
- MarchGoodOutside the best window (Apr–Oct (wine festivals, fruit harvest, mild weather)). Across Japan: Blossom arrives late in the month: prices jump, book early.13 °C (55 °F) / 3 °C (37 °F), 5 rain days55 °F (13 °C) / 37 °F (3 °C), 5 rain daysCrowds: High · 1 festival or holiday
- AprilGreatInside Koshu's best window: Apr–Oct (wine festivals, fruit harvest, mild weather).18 °C (64 °F) / 7 °C (45 °F), 6 rain days64 °F (18 °C) / 45 °F (7 °C), 6 rain daysCrowds: High · 2 festivals or holidays
- MayGreatInside Koshu's best window: Apr–Oct (wine festivals, fruit harvest, mild weather).22 °C (72 °F) / 12 °C (54 °F), 7 rain days72 °F (22 °C) / 54 °F (12 °C), 7 rain daysCrowds: Medium · 1 festival or holiday
- JuneGreatInside Koshu's best window: Apr–Oct (wine festivals, fruit harvest, mild weather).25 °C (77 °F) / 15 °C (59 °F), 8 rain days77 °F (25 °C) / 59 °F (15 °C), 8 rain daysCrowds: Low
- JulyGreatInside Koshu's best window: Apr–Oct (wine festivals, fruit harvest, mild weather).28 °C (82 °F) / 18 °C (64 °F), 9 rain days82 °F (28 °C) / 64 °F (18 °C), 9 rain daysCrowds: Medium
- AugustGreatInside Koshu's best window: Apr–Oct (wine festivals, fruit harvest, mild weather).28 °C (82 °F) / 18 °C (64 °F), 9 rain days82 °F (28 °C) / 64 °F (18 °C), 9 rain daysCrowds: High · 1 festival or holiday
- SeptemberGreatInside Koshu's best window: Apr–Oct (wine festivals, fruit harvest, mild weather).24 °C (75 °F) / 13 °C (55 °F), 7 rain days75 °F (24 °C) / 55 °F (13 °C), 7 rain daysCrowds: Medium
- OctoberGreatInside Koshu's best window: Apr–Oct (wine festivals, fruit harvest, mild weather).18 °C (64 °F) / 8 °C (46 °F), 6 rain days64 °F (18 °C) / 46 °F (8 °C), 6 rain daysCrowds: Medium
- NovemberGoodOutside the best window (Apr–Oct (wine festivals, fruit harvest, mild weather)). Across Japan: Autumn leaves in Kyoto and Tokyo: excellent weather, peak hotel prices mid-to-late month.13 °C (55 °F) / 4 °C (39 °F), 4 rain days55 °F (13 °C) / 39 °F (4 °C), 4 rain daysCrowds: High
- DecemberGoodOutside the best window (Apr–Oct (wine festivals, fruit harvest, mild weather)). Across Japan: Cold and clear until the New Year shutdown from 29 Dec.9 °C (48 °F) / 1 °C (34 °F), 3 rain days48 °F (9 °C) / 34 °F (1 °C), 3 rain daysCrowds: Medium · 1 festival or holiday
Compare two months
Weather, crowds and prices for any two months in Koshu, side by side.
Verdict
Apr: Great
May: Great
Daytime high
Apr: 18 °C (64 °F)64 °F (18 °C)
May: 22 °C (72 °F)72 °F (22 °C)
Night low
Apr: 7 °C (45 °F)45 °F (7 °C)
May: 12 °C (54 °F)54 °F (12 °C)
Rain days
Apr: 6 (better)
May: 7
Crowds
Apr: High
May: Medium
Prices
Apr: High
May: Medium
Festivals listed
Apr: 2
May: 1
April: Inside Koshu's best window: Apr–Oct (wine festivals, fruit harvest, mild weather).
May: Inside Koshu's best window: Apr–Oct (wine festivals, fruit harvest, mild weather).
Koshu: figures are long-term averages from this guide, not a forecast.