Sendai in August

6.4out of 10

Possible, with caveats

Warm and comfortable: highs around 27°C. Very wet: about 17 rainy days.

27°CAvg high
21°CAvg low
17Rainy days (170 mm)
13:29 hDaylight
04:56Sunrise · 18:25 Sunset

Why this score

  • Warm and comfortable: highs around 27°C
  • Very wet: about 17 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 (±3.2 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

4° -3° J 4° -3° F 8° 0° M 14° 6° A 19° 11° M 22° 16° J 26° 20° J 27° 21° A 24° 17° S 18° 11° O 12° 5° N 6° 0° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 4°C-3°C64 mm 10– – 4.4
February 4°C-3°C50 mm 9– – 4.7
March 8°C0°C86 mm 11– – 5.2
April 14°C6°C95 mm 11– – 6.3
May 19°C11°C102 mm 12– – 7.0
June 22°C16°C132 mm 14– – 7.0
July 26°C20°C184 mm 18– – 6.3
August 27°C21°C170 mm 17– – 6.4
September 24°C17°C169 mm 14– – 6.8
October 18°C11°C139 mm 11– – 6.8
November 12°C5°C62 mm 9– – 6.3
December 6°C0°C58 mm 11– – 4.9

Frequently asked questions

How hot is Sendai in August?

Daytime highs average 27°C and nights about 21°C.

When is the best time to visit Sendai?

The best months are May, June, September, October.