Mount Ōtaira

Volcano Forest-covered mountain near Tokyo with hiking routes

A mountain near Tokyo’s administrative area. Mount Ōtaira attracts walkers and local hikers seeking ridge trails, seasonal views and nearby rural temples and shrines.

Main image
Mount Ōtaira
33.1253, 139.6884

How to Get to Mount Ōtaira #

Accessible from Tokyo by regional rail to adjacent stations, followed by local bus or a short taxi to the trailhead. Check JR and local transit timetables for the best route to the nearest station and onward connections.

Tips for Visiting Mount Ōtaira #

  • For the best views, time the visit for clear autumn or winter days when Tokyo's air is crisper.
  • Combine the climb with a visit to nearby shrines and small rural towns to experience local hospitality.
  • Check trail signage-routes on Mount D4taira can split and weather changes quickly.

Best Time to Visit Mount Ōtaira #

Best in spring or autumn for comfortable conditions and clear vistas.

Spring
April-June · 12-22°C (54-72°F)
Comfortable hiking weather and seasonal green growth.
Autumn
September-November · 10-20°C (50-68°F)
Cooler, with crisp air and clearer views-excellent for trekking.
Winter
December-February · 0-10°C (32-50°F)
Cold with potential snow cover-attractive for experienced hikers.

Weather & Climate near Mount Ōtaira #

Climate

Subtropical climate with hot summers (peaking in August) and cool winters (coldest in February). Temperatures range from 9°C to 28°C. Heavy rainfall (2648 mm/year), wettest in October.

Best Time to Visit
AugustSeptemberJuly
Temperature & Rainfall
Temperature Range
30°
Warmest Month
Coldest Month
Monthly Conditions

January

January is cool with highs of 16°C and lows of 10°C. Significant rainfall (133 mm) and mostly overcast skies.

56 Acceptable

Comfort

13°
Feels Like Cool
13°C
Temperature
10° 16°
72%
Humidity
Very Humid

Weather

133 mm
Rainfall
5.4 m/s
Wind
Light Breeze
0.4
UV Index
Low
10.1h daylight

February

February is the coolest month with highs of 15°C and lows of 9°C. Significant rainfall (148 mm) and mostly overcast skies.

48 Poor

Comfort

12°
Feels Like Cool
12°C
Temperature
15°
73%
Humidity
Very Humid

Weather

148 mm
Rainfall
5.3 m/s
Wind
Light Breeze
0.7
UV Index
Moderate
10.9h daylight

March

March is cool with highs of 16°C and lows of 11°C. Heavy rain (203 mm) and mostly overcast skies.

52 Acceptable

Comfort

13°
Feels Like Cool
13°C
Temperature
11° 16°
73%
Humidity
Very Humid

Weather

203 mm
Rainfall
5.3 m/s
Wind
Light Breeze
1.0
UV Index
Moderate
11.9h daylight

April

April is cool with highs of 19°C and lows of 14°C. Heavy rain (215 mm) and mostly overcast skies.

56 Acceptable

Comfort

17°
Feels Like Cool
17°C
Temperature
14° 19°
75%
Humidity
Very Humid

Weather

215 mm
Rainfall
5.5 m/s
Wind
Light Breeze
1.3
UV Index
High
12.9h daylight

May

May is mild with highs of 22°C and lows of 17°C. Heavy rain (258 mm) and mostly overcast skies.

62 Good

Comfort

19°
Feels Like Mild
19°C
Temperature
17° 22°
80%
Humidity
Very Humid

Weather

258 mm
Rainfall
4.8 m/s
Wind
Light Breeze
1.6
UV Index
Very High
13.8h daylight

June

June is mild with highs of 24°C and lows of 20°C. Heavy rain (329 mm) and mostly overcast skies.

64 Good

Comfort

22°
Feels Like Mild
22°C
Temperature
20° 25°
88%
Humidity
Very Humid

Weather

329 mm
Rainfall
4.4 m/s
Wind
Light Breeze
1.6
UV Index
Very High
14.2h daylight

July

July is warm with stifling humidity (dew point 24°C). Significant rainfall (181 mm) and mostly overcast skies.

68 Good

Comfort

25°
Feels Like Warm
25°C
Temperature
23° 27°
88%
Humidity
Very Humid

Weather

181 mm
Rainfall
4.8 m/s
Wind
Light Breeze
2.0
UV Index
Extreme
14.0h daylight

August

August is the warmest month with stifling humidity (dew point 25°C). Heavy rain (210 mm) and partly cloudy skies.

74 Very Good

Comfort

26°
Feels Like Warm
26°C
Temperature
24° 28°
84%
Humidity
Very Humid

Weather

210 mm
Rainfall
5.2 m/s
Wind
Light Breeze
2.1
UV Index
Extreme
13.2h daylight

September

September is warm with muggy conditions (dew point 23°C). Heavy rain (286 mm) and partly cloudy skies.

70 Very Good

Comfort

25°
Feels Like Warm
25°C
Temperature
23° 27°
81%
Humidity
Very Humid

Weather

286 mm
Rainfall
5.0 m/s
Wind
Light Breeze
1.5
UV Index
Very High
12.3h daylight

October

October is mild with highs of 24°C and lows of 19°C. The wettest month with heavy rain (332 mm) and mostly overcast skies.

66 Good

Comfort

22°
Feels Like Mild
22°C
Temperature
19° 24°
76%
Humidity
Very Humid

Weather

332 mm
Rainfall
5.6 m/s
Wind
Light Breeze
1.0
UV Index
Moderate
11.2h daylight

November

November is mild with highs of 21°C and lows of 16°C. Heavy rain (220 mm) and mostly overcast skies.

56 Acceptable

Comfort

19°
Feels Like Mild
19°C
Temperature
16° 21°
72%
Humidity
Very Humid

Weather

220 mm
Rainfall
5.2 m/s
Wind
Light Breeze
0.6
UV Index
Moderate
10.3h daylight

December

December is cool with highs of 18°C and lows of 12°C. Significant rainfall (133 mm) and mostly overcast skies.

58 Acceptable

Comfort

15°
Feels Like Cool
15°C
Temperature
12° 18°
72%
Humidity
Very Humid

Weather

133 mm
Rainfall
5.1 m/s
Wind
Light Breeze
0.4
UV Index
Low
9.8h daylight

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