Irohazaka Climb – Weather Forecast
Category 2Nikko, Tochigi, JP
This page shows a route-based weather forecast for the Irohazaka Climb cycling climb in Nikko, Tochigi, JP. Unlike a simple location forecast, conditions are calculated at every point along the climb — from the base to the summit — using the actual route profile and elevation data.
You'll see hour-by-hour temperature, wind speed and direction, precipitation probability, and cloud cover adjusted for altitude. Choose your planned departure time to align the forecast with your ride.
Irohazaka Climb
Plan Your Ride
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Calculating weather along route...
Trip Summary
Forecast A
Trip Summary A
Forecast B
Trip Summary B
Weather Display Options
Forecast A - Route Map
Forecast B - Route Map
Compare Reversed Route
Same departure time & speed — opposite direction
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← Reversed Direction
Creates a new saved route in the reversed direction
Route Map
Elevation Profile
Temperature Along Route
Precipitation & Precipitation Probability Along Route
Wind Along Route
Humidity Along Route
Pollen Along Route
UV Index Along Route
Start place details
Weather Forecast
Hourly around Thu 16 Jul 10:36
Climate Overview
| Month |
Temp Day
|
Temp Night
|
Sunny Days
|
Sun Hours
|
Rain Days
|
Precipitation
|
Humidity
|
UV Index
|
Day Length
|
|---|---|---|---|---|---|---|---|---|---|
| Jan | 3°C | -6°C | 29 | 8.9h | 18 | 36 mm | 75 % | 2 | 9h 58m |
| Feb | 2°C | -8°C | 25 | 9.1h | 11 | 21 mm | 73 % | 3 | 10h 51m |
| Mar | 9°C | -3°C | 22 | 8.0h | 19 | 152 mm | 70 % | 4 | 11h 58m |
| Apr | 13°C | 3°C | 21 | 8.6h | 23 | 216 mm | 68 % | 5 | 13h 8m |
| May | 17°C | 8°C | 17 | 7.3h | 24 | 338 mm | 65 % | 6 | 14h 7m |
| Jun | 22°C | 14°C | 23 | 8.9h | 25 | 227 mm | 67 % | 7 | 14h 37m |
| Jul | 26°C | 18°C | 29 | 10.6h | 27 | 348 mm | 66 % | 8 | 14h 23m |
| Aug | 27°C | 19°C | 28 | 11.0h | 30 | 152 mm | 68 % | 7 | 13h 31m |
| Sep | 23°C | 16°C | 24 | 8.5h | 28 | 269 mm | 70 % | 5 | 12h 24m |
| Oct | 16°C | 10°C | 20 | 6.7h | 23 | 188 mm | 72 % | 4 | 11h 14m |
| Nov | 11°C | 2°C | 28 | 8.5h | 7 | 28 mm | 76 % | 2 | 10h 13m |
| Dec | 6°C | -2°C | 24 | 7.6h | 12 | 49 mm | 77 % | 2 | 9h 41m |