January −1° · ☂ 23 February 0° · ☂ 19 March 5° · ☂ 15 April 11° · ☂ 9 May 18° · ☂ 9 ★ June21° · ☂ 8 ★ July25° · ☂ 8 August 27° · ☂ 11 ★ September23° · ☂ 10 October 16° · ☂ 14 November 8° · ☂ 18 December 1° · ☂ 22 Otaru in March:properly cold, rain on every second day Otaru, Japan · Records from 2006 to 2025. Not a forecast.
Mean high 5° Hottest day 15° (2021)
Mean low −2° Coldest night −9.9° (2012)
Rain days 15 days 9-21 by year
Rainfall 83mm Daylight 11.2 → 12.7 h
Otaru's 12 months i Best: June, July and September
1 2 3 4 5 6 7 8 9 10 11 12
Trip types Sightseeing on foot Poorcold and frequent rain
Humidity 73% 0 muggy days
Clear days 3 days 9 overcast days
Mean wind 15 km/h 1 windy day
Sunrise / sunset (15th) 05:49 / 17:42 Daylight 11.2 → 12.7 h
Otaru in March A melting month. Snow thins out on the canal and lanes get slushy, so waterproof shoes help. Snow still falls on some days but far less than midwinter. You get winter scenery with a hint of spring.
Daytime in Otaru hovered around 5°C in March, cold enough to need a heavy coat. There were 15 rain days on average, roughly every other day. Year to year it swung widely, from 9 rain days in 2008 to 21 in 2025.
24 nights a month dropped below freezing on average. Gloves earned their place for early starts. March 2023 averaged 7.8°C by day, 3.1°C above the 20-year mean. The lowest night on record was −9.9°C in 2012. Mostly fine, light rain: about 6 mm per wet day, more mist than downpour.
Typhoons i Typhoons: August to October
Date by date i Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
March 1 Monday 1 rain in 15 of 20 yrs 15/20 3° −3° March 2 Tuesday 2 rain in 11 of 20 yrs 11/20 2° −3° March 3 Wednesday 3 rain in 11 of 20 yrs 11/20 2° −4° March 4 Thursday 4 rain in 9 of 20 yrs 9/20 2° −4° March 5 Friday 5 rain in 10 of 20 yrs 10/20 4° −3° March 6 Saturday 6 rain in 12 of 20 yrs 12/20 4° −3° 1-6 rain on 57% of days 3° −3°
March 7 Sunday 7 rain in 8 of 20 yrs 8/20 3° −3° March 8 Monday 8 rain in 9 of 20 yrs 9/20 4° −3° March 9 Tuesday 9 rain in 9 of 20 yrs 9/20 4° −4° March 10 Wednesday 10 rain in 10 of 20 yrs 10/20 4° −3° March 11 Thursday 11 rain in 14 of 20 yrs 14/20 4° −3° March 12 Friday 12 rain in 8 of 20 yrs 8/20 4° −2° March 13 Saturday 13 rain in 11 of 20 yrs 11/20 4° −2° 7-13 rain on 49% of days 4° −3°
March 14 Sunday 14 rain in 10 of 20 yrs 10/20 4° −2° March 15 Monday 15 rain in 12 of 20 yrs 12/20 4° −2° March 16 Tuesday 16 rain in 9 of 20 yrs 9/20 5° −2° March 17 Wednesday 17 rain in 9 of 20 yrs 9/20 5° −1° March 18 Thursday 18 rain in 5 of 20 yrs 5/20 5° −1° March 19 Friday 19 rain in 7 of 20 yrs 7/20 6° −1° March 20 Saturday 20 rain in 10 of 20 yrs 10/20 5° −1° 14-20 rain on 44% of days 5° −1°
March 21 Sunday 21 rain in 11 of 20 yrs 11/20 5° −1° March 22 Monday 22 rain in 9 of 20 yrs 9/20 6° −1° March 23 Tuesday 23 rain in 6 of 20 yrs 6/20 5° −2° March 24 Wednesday 24 rain in 10 of 20 yrs 10/20 5° −2° March 25 Thursday 25 rain in 8 of 20 yrs 8/20 7° 0° March 26 Friday 26 rain in 10 of 20 yrs 10/20 6° 0° March 27 Saturday 27 rain in 11 of 20 yrs 11/20 6° −1° 21-27 rain on 46% of days 6° −1°
March 28 Sunday 28 rain in 10 of 20 yrs 10/20 7° 0° March 29 Monday 29 rain in 5 of 20 yrs 5/20 8° 0° March 30 Tuesday 30 rain in 7 of 20 yrs 7/20 8° 0° March 31 Wednesday 31 rain in 6 of 20 yrs 6/20 7° 0°
28-31 rain on 35% of days 7° 0°
1-6 rain on 57% of days 3° −3° 7-13 rain on 49% of days 4° −3° 14-20 rain on 44% of days 5° −1° 21-27 rain on 46% of days 6° −1° 28-31 rain on 35% of days 7° 0°
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
March 1 Wednesday 1 rain in 15 of 20 yrs 15/20 3° −3° March 2 Thursday 2 rain in 11 of 20 yrs 11/20 2° −3° March 3 Friday 3 rain in 11 of 20 yrs 11/20 2° −4° March 4 Saturday 4 rain in 9 of 20 yrs 9/20 2° −4° 1-4 rain on 58% of days 2° −4°
March 5 Sunday 5 rain in 10 of 20 yrs 10/20 4° −3° March 6 Monday 6 rain in 12 of 20 yrs 12/20 4° −3° March 7 Tuesday 7 rain in 8 of 20 yrs 8/20 3° −3° March 8 Wednesday 8 rain in 9 of 20 yrs 9/20 4° −3° March 9 Thursday 9 rain in 9 of 20 yrs 9/20 4° −4° March 10 Friday 10 rain in 10 of 20 yrs 10/20 4° −3° March 11 Saturday 11 rain in 14 of 20 yrs 14/20 4° −3° 5-11 rain on 51% of days 4° −3°
March 12 Sunday 12 rain in 8 of 20 yrs 8/20 4° −2° March 13 Monday 13 rain in 11 of 20 yrs 11/20 4° −2° March 14 Tuesday 14 rain in 10 of 20 yrs 10/20 4° −2° March 15 Wednesday 15 rain in 12 of 20 yrs 12/20 4° −2° March 16 Thursday 16 rain in 9 of 20 yrs 9/20 5° −2° March 17 Friday 17 rain in 9 of 20 yrs 9/20 5° −1° March 18 Saturday 18 rain in 5 of 20 yrs 5/20 5° −1° 12-18 rain on 46% of days 5° −2°
March 19 Sunday 19 rain in 7 of 20 yrs 7/20 6° −1° March 20 Monday 20 rain in 10 of 20 yrs 10/20 5° −1° March 21 Tuesday 21 rain in 11 of 20 yrs 11/20 5° −1° March 22 Wednesday 22 rain in 9 of 20 yrs 9/20 6° −1° March 23 Thursday 23 rain in 6 of 20 yrs 6/20 5° −2° March 24 Friday 24 rain in 10 of 20 yrs 10/20 5° −2° March 25 Saturday 25 rain in 8 of 20 yrs 8/20 7° 0° 19-25 rain on 44% of days 6° −1°
March 26 Sunday 26 rain in 10 of 20 yrs 10/20 6° 0° March 27 Monday 27 rain in 11 of 20 yrs 11/20 6° −1° March 28 Tuesday 28 rain in 10 of 20 yrs 10/20 7° 0° March 29 Wednesday 29 rain in 5 of 20 yrs 5/20 8° 0° March 30 Thursday 30 rain in 7 of 20 yrs 7/20 8° 0° March 31 Friday 31 rain in 6 of 20 yrs 6/20 7° 0°
26-31 rain on 41% of days 7° 0°
1-4 rain on 58% of days 2° −4° 5-11 rain on 51% of days 4° −3° 12-18 rain on 46% of days 5° −2° 19-25 rain on 44% of days 6° −1° 26-31 rain on 41% of days 7° 0°
Tap another date to change
2006 12mm
2007 none
2008 8mm
2009 1mm
2010 1mm
2011 3mm
2012 none
2013 6mm
2014 none
2015 8mm
2016 9mm
2017 3mm
2018 23mm
2019 none
2020 7mm
2021 8mm
2022 10mm
2023 1mm
2024 7mm
2025 none
Holidays in March (2027) March 20 to March 22 Vernal Equinox long weekendMarch 22 Substitute holiday (for Vernal Equinox Day) 1 Local public holiday or break (busier, pricier)
Day by day temperature i −5° 2° 9° 16° 1 8 15 22 29 31
Your trip dates, the past 20 years Trip dates March 1 (Mon) 2 (Tue) 3 (Wed) 4 (Thu) 5 (Fri) 6 (Sat) 7 (Sun) 8 (Mon) 9 (Tue) 10 (Wed) 11 (Thu) 12 (Fri) 13 (Sat) 14 (Sun) 15 (Mon) 16 (Tue) 17 (Wed) 18 (Thu) 19 (Fri) 20 (Sat) 21 (Sun) 22 (Mon) 23 (Tue) 24 (Wed) 25 (Thu) 26 (Fri) 27 (Sat) 28 (Sun) 29 (Mon) 30 (Tue) 31 (Wed) ~ March 1 (Mon) 2 (Tue) 3 (Wed) 4 (Thu) 5 (Fri) 6 (Sat) 7 (Sun) 8 (Mon) 9 (Tue) 10 (Wed) 11 (Thu) 12 (Fri) 13 (Sat) 14 (Sun) 15 (Mon) 16 (Tue) 17 (Wed) 18 (Thu) 19 (Fri) 20 (Sat) 21 (Sun) 22 (Mon) 23 (Tue) 24 (Wed) 25 (Thu) 26 (Fri) 27 (Sat) 28 (Sun) 29 (Mon) 30 (Tue) 31 (Wed) 1-7 8-14 15-21 22-end Whole month
You can also click two dates on the axis. Hover a cell to see that day's rain. By year Driest trips first
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Trip rain days Month rain days 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 Dates outside your trip are dimmed.
One row per year, one cell per day. 2008 had 9 rain days, 2025 had 21.
What to pack A wool coat or padded jacket, a scarf and closed shoes did the job. Dress for 5°C by day; after dark at −2°C the scarf earned its keep.
Averaging 15 rain days, keep a light waterproof or a compact umbrella in the bag. In windy spots umbrellas flip easily.
Common questions Does it rain a lot in Otaru in March? Over the past 20 years March averaged 15 rain days (1 mm or more) out of 31. Individual years ran from 9 in the driest to 21 in the wettest.
What should I wear in Otaru in March? Days averaged 5°C and nights −2°C. Pack an umbrella, a waterproof jacket, and a warm coat.
Is March a good time to visit Otaru? On warmth and rain days alone, Otaru's easiest months were June, July and September. March ranked 8 of 12.
How many clear days does Otaru get in March? About 3 clear days (under 30% cloud on average) and 9 overcast days (80% or more).
Previous month Otaru in February Next month Otaru in April Whole year Otaru weather by month Where to go March By country Japan: all cities this month