Jōetsu in October

6.4out of 10

Possible, with caveats

Mild: highs around 20°C. Very wet: about 15 rainy days.

20°CAvg high
14°CAvg low
15Rainy days (163 mm)
11:01 hDaylight
06:02Sunrise · 17:03 Sunset

Why this score

  • Mild: highs around 20°C
  • Very wet: about 15 rainy days

What to wear and pack

  • Layers you can add or remove
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rainfall in October is fairly consistent from year to year (2.2 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

5° 1° J 6° 1° F 9° 3° M 15° 8° A 21° 14° M 24° 18° J 28° 22° J 30° 24° A 26° 20° S 20° 14° O 14° 9° N 8° 4° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 5°C1°C254 mm 26– – 3.3
February 6°C1°C179 mm 21– – 3.4
March 9°C3°C143 mm 18– – 4.3
April 15°C8°C98 mm 13– – 6.2
May 21°C14°C91 mm 11– – 7.4
June 24°C18°C118 mm 12– – 7.3
July 28°C22°C189 mm 14– – 6.7
August 30°C24°C124 mm 12– – 7.0
September 26°C20°C162 mm 14– – 6.8
October 20°C14°C163 mm 15– – 6.4
November 14°C9°C179 mm 19– – 4.9
December 8°C4°C249 mm 24– – 3.9

Frequently asked questions

How hot is Jōetsu in October?

Daytime highs average 20°C and nights about 14°C.

When is the best time to visit Jōetsu?

The best months are May, June, August.