Itoigawa in August

6.1out of 10

Possible, with caveats

Warm and comfortable: highs around 27°C. Very wet: about 18 rainy days.

27°CAvg high
23°CAvg low
18Rainy days (197 mm)
13:25 hDaylight
05:10Sunrise · 18:35 Sunset

Why this score

  • Warm and comfortable: highs around 27°C
  • Very wet: about 18 rainy days

What to wear and pack

  • T-shirts and light layers
  • Shorts or a light skirt
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rain in August varies a lot between years (±3.9 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

3° -1° J 3° -1° F 6° 2° M 12° 6° A 17° 12° M 21° 17° J 25° 22° J 27° 23° A 23° 20° S 18° 14° O 12° 8° N 6° 2° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 3°C-1°C289 mm 26– – 2.9
February 3°C-1°C223 mm 22– – 2.9
March 6°C2°C197 mm 20– – 3.5
April 12°C6°C143 mm 15– – 5.2
May 17°C12°C139 mm 13– – 6.3
June 21°C17°C178 mm 15– – 6.5
July 25°C22°C252 mm 19– – 6.1
August 27°C23°C197 mm 18– – 6.1
September 23°C20°C236 mm 19– – 6.1
October 18°C14°C215 mm 17– – 5.6
November 12°C8°C212 mm 20– – 4.5
December 6°C2°C276 mm 25– – 3.5

Frequently asked questions

How hot is Itoigawa in August?

Daytime highs average 27°C and nights about 23°C.

When is the best time to visit Itoigawa?

The best months are June, May, July, August.