Ishii in December

6.4out of 10

Possible, with caveats

Cool: highs only around 11°C. Some rain: about 7 rainy days.

11°CAvg high
6°CAvg low
7Rainy days (80 mm)
9:44 hDaylight
07:06Sunrise · 16:51 Sunset

Why this score

  • Cool: highs only around 11°C
  • Some rain: about 7 rainy days

What to wear and pack

  • A warm jacket
  • Comfortable walking shoes

How reliable is the forecast?

Rainfall in December is fairly consistent from year to year (2.1 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

9° 4° J 10° 4° F 13° 6° M 17° 11° A 21° 15° M 24° 20° J 28° 24° J 29° 24° A 26° 21° S 21° 16° O 16° 11° N 11° 6° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 9°C4°C72 mm 8– – 6.0
February 10°C4°C82 mm 9– – 5.9
March 13°C6°C129 mm 12– – 5.8
April 17°C11°C151 mm 12– – 6.5
May 21°C15°C189 mm 13– – 6.7
June 24°C20°C281 mm 18– – 6.1
July 28°C24°C258 mm 18– – 6.1
August 29°C24°C205 mm 16– – 6.3
September 26°C21°C288 mm 15– – 6.1
October 21°C16°C230 mm 12– – 6.7
November 16°C11°C103 mm 9– – 6.9
December 11°C6°C80 mm 7– – 6.4

Frequently asked questions

How hot is Ishii in December?

Daytime highs average 11°C and nights about 6°C.

When is the best time to visit Ishii?

The best months are November, May, October, April.