Tohoku Weather Guide

Lake Towada & Oirase Weather & What to Wear

Oirase Stream, Lake Towada, Yasumiya, Yakeyama

The area around Oirase Stream, with clear water flowing for about 14 km, and Lake Towada, a lake high in the mountains. Thanks to the high elevation, it stays cool even in summer with highs of around 25°C, and the annual average temperature is 8.0°C. In winter, even the highs fall below freezing (temperatures are for Yasumiya on the shore of Lake Towada).

January low
−6.7℃
August high
25.1℃
Max snow depth
—
Search by dates and destination
Forecast

Forecast: Today & the Next 7 Days

JMA forecast issued Oct 22, 11 AM

Every 3 Hours: Today & Tomorrow

  1. Today
    3 PM
    Sunny
    ☂ 20%
    10–14m/s
  2. 6 PM
    Sunny
    ☂ 0%
    10–14m/s
  3. 9 PM
    Sunny
    ☂ 0%
    6–9m/s
  4. Tomorrow
    12 AM
    Sunny
    ☂ 0%
    6–9m/s
  5. 3 AM
    Sunny
    ☂ 0%
    6–9m/s
  6. 6 AM
    Sunny
    ☂ 0%
    6–9m/s
  7. 9 AM
    Sunny
    ☂ 0%
    6–9m/s
  8. 12 PM
    Sunny
    ☂ 0%
    3–5m/s
  9. 3 PM
    Sunny
    ☂ 0%
    3–5m/s
  10. 6 PM
    Sunny
    ☂ 0%
    3–5m/s
  11. 9 PM
    Sunny
    ☂ 0%
    3–5m/s

Weather and wind are for the wider area; temperature is for the main forecast point. Chance of rain is for the 6-hour period. There is no 3-hourly temperature forecast for this area, so temperatures are not shown.

  1. Today
    10/22(Thu)
    Cloudy, then sunny
    ☂ 20%
  2. Tomorrow
    10/23(Fri)
    Sunny
    ☂ 0%
  3.  
    10/24(Sat)
    Cloudy, sunny at times
    ☂ 30%
  4.  
    10/25(Sun)
    Cloudy
    ☂ 40%
    Reliability C
  5.  
    10/26(Mon)
    Cloudy, brief rain
    ☂ 50%
    Reliability C
  6.  
    10/27(Tue)
    Cloudy, brief rain
    ☂ 60%
    Reliability B
  7.  
    10/28(Wed)
    Cloudy
    ☂ 40%
    Reliability C
  • ☂ Chance of rain
  • From day 3, the weekly forecast covers a wider prefecture-level area.
  • Reliability of the weekly forecast (A: high, B: fairly high, C: fairly low)
  • There is no temperature forecast point for this area, so temperatures are not shown.
  • Source: Japan Meteorological Agency (weather forecast)
Best Season

Best Time to Visit Lake Towada & Oirase

For fresh greenery

The best season is the fresh greenery of mid-May to mid-June, a lovely time to walk the trails along the stream.

For autumn leaves

The colors peak from mid to late October. The stream and lake turn red and yellow, drawing large numbers of visitors.

To escape the summer heat

Even in August, highs are around 25°C and mornings around 18°C. July and August are rainy, so bring rain gear.

Climate

Lake Towada & Oirase Temperature & Snow Through the Year

Monthly high / low temperature (°C)

HighLow
-10-5051015202530JanFebMarAprMayJunJulAugSepOctNovDec25.1℃−6.7℃Jan High −1.2℃ / Low −6.7℃Feb High −0.4℃ / Low −6.6℃Mar High 3.2℃ / Low −3.9℃Apr High 10.0℃ / Low 0.9℃May High 16.6℃ / Low 6.4℃Jun High 20.3℃ / Low 11.4℃Jul High 23.6℃ / Low 16.5℃Aug High 25.1℃ / Low 17.6℃Sep High 21.3℃ / Low 13.1℃Oct High 15.1℃ / Low 6.5℃Nov High 8.2℃ / Low 0.9℃Dec High 1.5℃ / Low −4.2℃
Month by Month

Month-by-Month Weather & What to Wear

MonthHighLowPrecip.Max snow depthWhat to wear
Jan−1.2℃−6.7℃66.1mm—Full winter gearDown coat, thermal layers, gloves, hat
Feb−0.4℃−6.6℃68.8mm—Full winter gearDown coat, thermal layers, gloves, hat
Mar3.2℃−3.9℃92.7mm—Winter coatDown or heavy coat, gloves
Apr10.0℃0.9℃108.1mm—Warm jacketLight down or winter coat, sweater
May16.6℃6.4℃118.1mm—Long sleeves + jacketLong sleeves with a light jacket or hoodie
Jun20.3℃11.4℃121.5mm—T-shirt + layerT-shirt, plus light long sleeves for mornings and evenings
Jul23.6℃16.5℃211.7mm—T-shirt + layerT-shirt, plus light long sleeves for mornings and evenings
Aug25.1℃17.6℃220.2mm—T-shirtT-shirt, with a light layer for evenings and air conditioning
Sep21.3℃13.1℃177.7mm—T-shirt + layerT-shirt, plus light long sleeves for mornings and evenings
Oct15.1℃6.5℃152.5mm—Long sleeves + jacketLong sleeves with a light jacket or hoodie
Nov8.2℃0.9℃127.5mm—Winter coatDown or heavy coat, gloves
Dec1.5℃−4.2℃94.8mm—Full winter gearDown coat, thermal layers, gloves, hat

Clothing tips are based on the normal high temperature and snow depth. Bring an extra layer for mornings and evenings.

Seasons

Lake Towada & Oirase Through the Seasons

🌸

Spring

Mar–May

Even in April, highs are around 10°C and mornings around 1°C. Fresh greenery arrives from mid-May, and you'll still need a winter jacket.

☀️

Summer

Jun–Aug

A cool summer retreat with highs of 24–25°C. July and August are the rainiest time of the year.

🍁

Autumn

Sep–Nov

Autumn leaves from mid to late October. October mornings are chilly at 6.5°C, so bring a thick jacket.

❄️

Winter

Dec–Feb

Even the January high is -1.2°C, with mornings around -7°C. Take great care with snow and icy roads.

Cherry Blossoms

Cherry Blossoms in Lake Towada & Oirase

Winter Scenery

Winter Scenery in Lake Towada & Oirase

Frozen waterfall & icicles

Oirase Gorge Ice Falls

Tohoku ・ Lake Towada & Oirase

❄ Best season: Late Jan – Late Feb

✦ Illumination
Autumn Leaves

Autumn Leaves in Lake Towada & Oirase

Gorge🍁 Typical peak

Oirase Gorge

Tohoku ・ Lake Towada & Oirase

🍁 Typical peak: Mid Oct – Late Oct

Travel Passes

Travel passes you can use in Lake Towada & Oirase

🚄 JR

Japan Rail Pass

Nationwide ・ Three types: 7, 14 or 21 days. The period of use cannot be extended or changed

From ¥50,000

Plan Your Trip

Plan Your Lake Towada & Oirase TripPR

Other Areas

Weather in Other Areas

Back to the Tohoku Weather Guide (all months & areas) →

Source: Japan Meteorological Agency (climate normals 1991-2020). Compiled by tripuuu.log. Temperature and snow figures are normals from the Yasumiya station; actual weather varies from year to year.