yearsofweather

Otaru in October:
crisp and chilly, rain on many days

Otaru, Japan · Records from 2006 to 2025. Not a forecast.

Mean high16°Hottest day 26° (2022)
Mean low8°Coldest night 0° (2006)
Rain days14 days6-18 by year
Rainfall143mmDaylight 11.8 → 10.4 h
Otaru's 12 months iBest: June, July and September
Trip types Sightseeing on foot Finemild and frequent rain
Humidity73%0 muggy days
Clear days5 days7 overcast days
Mean wind16 km/h1 windy day
Sunrise / sunset (15th)05:49 / 16:54Daylight 11.8 → 10.4 h

Otaru in October

Autumn colour arrives and wet days climb clearly above September's. The coast is windy and can feel colder than the temperature suggests. A hooded jacket is easier than an umbrella.

October in Otaru was brisk: 16°C by day, 8°C at night. Standing in the shade felt chilly. There were 14 rain days on average, roughly every other day. The average is 14, but individual years ran from 6 (2019) to 18 (2020).

About 6 nights a month dipped under 5°C, cold enough to want a jacket for the walk back. Cold snaps happened: the record low for October was 0°C, set in 2006.

Typhoons i

1 of the last 20 years had a tropical storm pass within 300 km this month.

  • Kong-Rey (2018), 267 km away tropical storm
1 2 3 4 5 6 7 38 39 110 11 12

Date by date i

‹ September October 2026 November ›
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
1-3rain on 47% of days20° 12°
4-10rain on 39% of days18° 10°
11-17rain on 49% of days16° 8°
18-24rain on 41% of days15° 6°
25-31rain on 48% of days13° 5°

0-5/206-8/209-11/2012-20/20

1-3rain on 47% of days20° 12°
4-10rain on 39% of days18° 10°
11-17rain on 49% of days16° 8°
18-24rain on 41% of days15° 6°
25-31rain on 48% of days13° 5°
Tap another date to change

2006none
20071mm
20088mm
2009none
20101mm
2011none
201213mm
2013none
201420mm
201513mm
20164mm
2017none
20182mm
2019none
20201mm
202116mm
20221mm
20231mm
20245mm
202522mm
Holidays in October (2026)
  • October 12 Sports Day
  • October 12 Columbus Day

1 Local public holiday or break (busier, pricier)1 US holidays (flights fill up)

Day by day temperature i

4°12°19°27° 1815222931

Mean high Mean low Coldest to warmest high in 20 years

Your trip dates, the past 20 years

Trip dates ~

You can also click two dates on the axis. Hover a cell to see that day's rain.
Trip rain days Month rain days
2006
3 d 13 d
2007
2 d 10 d
2008
2 d 12 d
2009
4 d 15 d
2010
3 d 11 d
2011
3 d 14 d
2012
0 d 17 d
2013
2 d 13 d
2014
2 d 11 d
2015
2 d 16 d
2016
5 d 17 d
2017
3 d 14 d
2018
3 d 17 d
2019
3 d 6 d
2020
4 d 18 d
2021
3 d 16 d
2022
2 d 10 d
2023
3 d 16 d
2024
4 d 14 d
2025
2 d 16 d
Years with rain
Tap a date to start, tap another to end. Each cell is that date in one year.
'06'07'08'09'10'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25
of 20
8
9
11
11
7
5
9
8
6
9
13
11
6
6
11
10
11
6
7
12
8
8
10
7
7
8
10
14
12
8
8
Rain days on trip
32243302225333432342

No rain1-9 mm10 mm or more Dates outside your trip are dimmed.

One row per year, one cell per day. 2019 had 6 rain days, 2020 had 18.

Otaru through the year

MonthHighLowRain daysRainfall
January −1°−6°23 days148mm
February 0°−6°19 days109mm
March 5°−2°15 days83mm
April 11°3°9 days58mm
May 18°8°9 days56mm
JuneGood 21°13°8 days65mm
JulyGood 25°18°8 days98mm
August 27°19°11 days151mm
SeptemberGood 23°15°10 days123mm
October 16°8°14 days143mm
November 8°2°18 days160mm
December 1°−4°22 days157mm

Common questions

Does it rain a lot in Otaru in October?

Over the past 20 years October averaged 14 rain days (1 mm or more) out of 31. Individual years ran from 6 in the driest to 18 in the wettest.

What should I wear in Otaru in October?

Days averaged 16°C and nights 8°C. Pack an umbrella, a waterproof jacket, and a sweater plus a light jacket.

Is October a good time to visit Otaru?

On warmth and rain days alone, Otaru's easiest months were June, July and September. October ranked 6 of 12.

How many clear days does Otaru get in October?

About 5 clear days (under 30% cloud on average) and 7 overcast days (80% or more).