Amagi Sanmyaku

Mountains Mountain range on Izu Peninsula with scenic forests

The Amagi mountain range on the Izu Peninsula offers forested ridges, waterfalls and coastal views. Hikers pass through hot-spring towns and come for autumn colour and seaside panoramas.

Main image
Mount Amagi forest (53209596505).jpg
Mount Amagi landscape (53209596535).jpg
Mount Amagi Relief Map, SRTM-1.jpg
Mount Amagi trail (53209464729).jpg
Mount Amagi trail (53209596475).jpg
Taro-sugi 20111002.jpg
Amagi Sanmyaku
34.8836, 139.0367

How to Get to Amagi Sanmyaku #

By rail: Take the JR Tokaido Line to Atami or the Izukyu Line to Shuzenji; from either station hire a car or take local buses toward Amagi Pass (look for signs to Amagi-tōge). By road: the Izu-Jūkan and local prefectural roads connect the peninsula-Route 11 and smaller mountain roads climb to the pass. Cycling is common on the established pass routes.

Tips for Visiting Amagi Sanmyaku #

  • Start early at the Amagi Pass to avoid weekend drivers and crowds from nearby Shimoda and Atami.
  • If driving, use Route 11 (Izu-Jūkan Road) on the Izu Peninsula and look for signs to Amagi-tōge (Amagi Pass).
  • Pack for sudden weather changes-Amagi's microclimate can drop temperature and fog in an hour.

Best Time to Visit Amagi Sanmyaku #

Amagi's passes and ridgelines are most congenial in spring and autumn; summer brings heat and mosquitos, winter can close higher routes.

Spring
March-May · 10-20°C
Cherry blossoms lower on the slopes in late March-April; mountain roads are cooler and pleasantly fragrant.
Autumn
September-November · 10-18°C
Clear days, good visibility and autumn color on the ridges-best for hiking and photography.

Weather & Climate near Amagi Sanmyaku #

Climate

Amagi Sanmyaku's climate is classified as Humid Subtropical - Humid Subtropical climate with warm summers (peaking in August) and cold winters (coldest in January). Temperatures range from -2°C to 26°C. Heavy rainfall (2060 mm/year), wettest in September.

Best Time to Visit
AugustSeptemberJuly
Temperature & Rainfall
Temperature Range
34°
Warmest Month
-2°
Coldest Month
Monthly Conditions

January

January is the coolest month with highs of 7°C and lows of -2°C. Moderate rainfall (65 mm), partly cloudy skies, and breezy conditions.

46 Poor

Comfort

Feels Like Cold
C
Temperature
-2°
70%
Humidity
Very Humid

Weather

65 mm
Rainfall
6.3 m/s
Wind
Breezy
0.4
UV Index
Low
10.0h daylight

February

February is the coolest month with highs of 7°C and lows of -2°C. Regular rainfall (85 mm), partly cloudy skies, and breezy conditions.

44 Poor

Comfort

Feels Like Cold
C
Temperature
-2°
71%
Humidity
Very Humid

Weather

85 mm
Rainfall
6.0 m/s
Wind
Breezy
0.6
UV Index
Moderate
10.8h daylight

March

March is cold with highs of 10°C and lows of 1°C. Significant rainfall (144 mm) and partly cloudy skies.

52 Acceptable

Comfort

Feels Like Cold
C
Temperature
10°
73%
Humidity
Very Humid

Weather

144 mm
Rainfall
5.9 m/s
Wind
Light Breeze
0.9
UV Index
Moderate
11.8h daylight

April

April is cool with highs of 15°C and lows of 6°C. Significant rainfall (168 mm) and partly cloudy skies.

52 Acceptable

Comfort

11°
Feels Like Cool
11°C
Temperature
15°
76%
Humidity
Very Humid

Weather

168 mm
Rainfall
5.9 m/s
Wind
Light Breeze
1.2
UV Index
High
12.9h daylight

May

May is cool with highs of 19°C and lows of 10°C. Significant rainfall (184 mm) and mostly overcast skies.

56 Acceptable

Comfort

15°
Feels Like Cool
15°C
Temperature
10° 19°
80%
Humidity
Very Humid

Weather

184 mm
Rainfall
5.2 m/s
Wind
Light Breeze
1.5
UV Index
High
13.8h daylight

June

June is cool with highs of 21°C and lows of 14°C. Heavy rain (261 mm) and mostly overcast skies.

54 Acceptable

Comfort

18°
Feels Like Cool
18°C
Temperature
14° 21°
85%
Humidity
Very Humid

Weather

261 mm
Rainfall
4.7 m/s
Wind
Light Breeze
1.5
UV Index
Very High
14.3h daylight

July

July is mild with muggy conditions (dew point 22°C). Heavy rain (204 mm) and mostly overcast skies.

66 Good

Comfort

21°
Feels Like Mild
21°C
Temperature
18° 25°
87%
Humidity
Very Humid

Weather

204 mm
Rainfall
4.7 m/s
Wind
Light Breeze
1.8
UV Index
Very High
14.1h daylight

August

August is the warmest month with muggy conditions (dew point 23°C). Heavy rain (275 mm) and partly cloudy skies.

74 Very Good

Comfort

23°
Feels Like Mild
23°C
Temperature
19° 26°
85%
Humidity
Very Humid

Weather

275 mm
Rainfall
4.8 m/s
Wind
Light Breeze
1.8
UV Index
Very High
13.3h daylight

September

September is mild with highs of 23°C and lows of 16°C. The wettest month with heavy rain (277 mm) and partly cloudy skies.

68 Good

Comfort

20°
Feels Like Mild
20°C
Temperature
16° 23°
83%
Humidity
Very Humid

Weather

277 mm
Rainfall
4.8 m/s
Wind
Light Breeze
1.4
UV Index
High
12.3h daylight

October

October is cool with highs of 18°C and lows of 11°C. Heavy rain (215 mm), partly cloudy skies, and breezy conditions.

56 Acceptable

Comfort

15°
Feels Like Cool
15°C
Temperature
11° 18°
80%
Humidity
Very Humid

Weather

215 mm
Rainfall
6.4 m/s
Wind
Breezy
0.9
UV Index
Moderate
11.2h daylight

November

November is cool with highs of 14°C and lows of 6°C. Significant rainfall (120 mm), partly cloudy skies, and breezy conditions.

54 Acceptable

Comfort

10°
Feels Like Cool
10°C
Temperature
14°
76%
Humidity
Very Humid

Weather

120 mm
Rainfall
6.0 m/s
Wind
Breezy
0.5
UV Index
Moderate
10.2h daylight

December

December is cold with highs of 10°C and lows of 1°C. Moderate rainfall (62 mm), partly cloudy skies, and breezy conditions.

56 Acceptable

Comfort

Feels Like Cold
C
Temperature
10°
72%
Humidity
Very Humid

Weather

62 mm
Rainfall
6.0 m/s
Wind
Breezy
0.4
UV Index
Low
9.7h daylight

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