Get Exclusive App Deals
  1. Home
  2. Japan
  3. Koshinetsu
  4. Nagano
  5. Asama

Asama

Travel Info

Top 10 Must-Do Experiences and Attractions in Asama

Latest launches and promotions in Asama

More destinations

Reviews of Asama activities

Asama Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Asama year round climate

  • Spring (March–May): Average 10.1–18.1°C, mild climate with gradually increasing rainfall. March sees cherry blossoms in full bloom, making it an ideal time for viewing them. Common activities: Cherry blossom viewing, hiking, mountain climbing. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
  • Summer (June–August): Average 22.0–27.5°C, hot and humid, with the most rainfall in June; be prepared for rain. Common activities: Visiting summer resorts, outdoor swimming. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
  • Autumn (September–November): Average 13.3–25.0°C, comfortable and pleasant climate, with more rainfall in September. Common activities: Maple leaf viewing, hiking, onsen trips. Recommended clothing: Comfortable long-sleeved shirts, light jackets, warm clothing.
  • Winter (December–February): Average 4.3–6.7°C, cold and dry with less rainfall. Common activities: Skiing, onsen bathing. Recommended clothing: Warm jacket, beanie, scarf, gloves.

Asama climatological average

Annual average temperature: approx. 16°C / Annual rainfall: approx. 1457 mm / Summer humidity: 70%–80% / Rainiest month: June

Asama monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
4.3°C
42.9
February
5.6°C
71.6
March
10.1°C
119.9
April
15.2°C
142.7
May
18.1°C
183.8
June
22°C
216.1
July
27°C
108.4
August
27.5°C
98.8
September
25°C
204.1
October
18.2°C
131.2
November
13.3°C
93.1
December
6.7°C
45.2

Asama weather for the next seven days

8/1
Saturday
Sunny
35.6°C/25.2°C
8/2
Sunday
Patchy rain nearby
29.3°C/23.3°C
8/3
Monday
Patchy rain nearby
27.4°C/22.2°C
8/4
Tuesday
Partly Cloudy
28.3°C/21.7°C
8/5
Wednesday
Overcast
31.4°C/22.6°C
8/6
Thursday
Partly Cloudy
33.4°C/23.3°C
8/7
Friday
Sunny
32.9°C/25.3°C

Asama Frequently Asked Questions and Useful Information for Travel

What does Asama mean?

"Asama" is a word with multiple meanings depending on its origin, but it most famously refers to Mount Asama, an active volcano in Japan, and can also mean "unequal" or "matchless" in Sanskrit and Pali. It also serves as the name for the Asama Shinkansen train service, a type of Shinto shrine, and can be a given name or surname.

How do you pronounce Asama?

The pronunciation of Asama is 'Ah-sah-mah'. The same name may exist in other languages with different pronunciations. Check other possible pronunciations or similar names for free at voxifire.com.

When was the last time Mount Asama erupted?

Mount Asama last erupted in 2019, with minor ash plumes. It is considered one of Japan's most active volcanoes.

What are the main attractions around Asama?

The primary attraction around Asama is Mount Asama itself, offering hiking opportunities and stunning volcanic landscapes. Nearby, you can find charming hot spring towns and traditional Japanese villages.

What is the origin of the name Asama?

The origin of the name Asama is believed to derive from the prefix 'a-' (not) and 'sama' (equal or same), meaning unequal or incomparable. This is often associated with the powerful and unique nature of Mount Asama.