January in Biei — the hardest end of the year
Hardest · 4.6/10January averages -8°C (18°F) — deep-winter cold that dictates the whole trip: short outdoor stints, indoor plans on standby, and no expectation of long walking days.
Rainfall runs 71 mm, so plan one flexible day in three; you still get about 16 sunny days and 9.4 hours of daylight.
It scores 4.6/10 here, 11th of 12 months, against 8.6/10 in the destination's best month.
Expect mid-season pricing, and crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer, footwear you can get muddy.
If your dates are flexible, May is materially better in Biei — 4 points higher on the same scale.
February in Biei — the hardest end of the year
Hardest · 4.9/10February averages -6°C (21°F) — deep-winter cold that dictates the whole trip: short outdoor stints, indoor plans on standby, and no expectation of long walking days.
Rainfall runs 76 mm, so plan one flexible day in three; you still get about 17 sunny days and 10.5 hours of daylight.
It scores 4.9/10 here, 10th of 12 months, against 8.6/10 in the destination's best month.
Expect mid-season pricing, and crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer, footwear you can get muddy.
If your dates are flexible, May is materially better in Biei — 3.7 points higher on the same scale.
March in Biei — workable with trade-offs
Trade-offs · 6.3/10March averages -1°C (30°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
Rainfall runs 81 mm, so plan one flexible day in three; you still get about 22 sunny days and 12 hours of daylight.
It scores 6.3/10 here, 8th of 12 months, against 8.6/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer, footwear you can get muddy.
If your dates are flexible, May is materially better in Biei — 2.3 points higher on the same scale.
April in Biei — reliably good (4th best month)
Good · 7.9/10April averages 6°C (44°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 99 mm, so plan one flexible day in three; you still get about 23 sunny days and 13.5 hours of daylight.
It scores 7.9/10 here, 4th of 12 months, against 8.6/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer, footwear you can get muddy.
May in Biei — the year's strongest window
Best window · 8.6/10May averages 12°C (54°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
At 112 mm this is a genuinely wet month: about 23 sunny days in total, and outdoor plans need an indoor fallback.
On our climate-comfort scale this is the top-ranked month of the year for Biei at 8.6/10 — the reference point every other month on this page is measured against.
Expect mid-season pricing, and crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella, footwear you can get muddy.
June in Biei — reliably good (2nd best month)
Good · 8/10June averages 17°C (63°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
At 145 mm this is a genuinely wet month: about 26 sunny days in total, and outdoor plans need an indoor fallback.
It scores 8/10 here, 2nd of 12 months, against 8.6/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella, footwear you can get muddy.
July in Biei — reliably good (3rd best month)
Good · 8/10July averages 22°C (72°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
At 132 mm this is a genuinely wet month: about 26 sunny days in total, and outdoor plans need an indoor fallback.
It scores 8/10 here, 3rd of 12 months, against 8.6/10 in the destination's best month.
Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
August in Biei — reliably good (6th best month)
Good · 7.6/10August averages 22°C (71°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
219 mm of rain puts this in monsoon territory — about 25 sunny days across the whole month, and multi-day washouts are normal.
It scores 7.6/10 here, 6th of 12 months, against 8.6/10 in the destination's best month.
Expect peak pricing, and this is one of the busiest months here.
Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
September in Biei — reliably good (5th best month)
Good · 7.9/10September averages 17°C (62°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
At 148 mm this is a genuinely wet month: about 25 sunny days in total, and outdoor plans need an indoor fallback.
It scores 7.9/10 here, 5th of 12 months, against 8.6/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella, footwear you can get muddy.
October in Biei — reliably good (7th best month)
Good · 7.2/10October averages 9°C (49°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 142 mm this is a genuinely wet month: about 24 sunny days in total, and outdoor plans need an indoor fallback.
It scores 7.2/10 here, 7th of 12 months, against 8.6/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.
November in Biei — workable with trade-offs
Trade-offs · 5.1/10November averages 3°C (37°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
At 151 mm this is a genuinely wet month: about 17 sunny days in total, and outdoor plans need an indoor fallback.
It scores 5.1/10 here, 9th of 12 months, against 8.6/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, May is materially better in Biei — 3.5 points higher on the same scale.
December in Biei — the hardest end of the year
Hardest · 3.2/10December averages -5°C (23°F) — deep-winter cold that dictates the whole trip: short outdoor stints, indoor plans on standby, and no expectation of long walking days.
At 118 mm this is a genuinely wet month: about 10 sunny days in total, and outdoor plans need an indoor fallback.
It scores 3.2/10 here, 12th of 12 months, against 8.6/10 in the destination's best month.
Expect mid-season pricing, and crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, May is materially better in Biei — 5.4 points higher on the same scale.
