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Climate · Otaru

Otaru in April

Chilly and damp, as the days lengthen.

Typical weather, averaged over 30 years

April in Otaru is chilly: highs near 48°F, lows near 34°F. Rain falls on about three days a week, and the days lengthen by 1 hour 1 minute from the first week to the last.April in Otaru is chilly: highs near 9°C, lows near 1°C. Rain falls on about three days a week, and the days lengthen by 1 hour 1 minute from the first week to the last.

High
48°F9°Caverage
Low
34°F1°Caverage
Wet days
3a week · 41% of days
Daylight
13h 22mon average

Is April a good time to visit Otaru?

April sits outside Otaru's best months, which run from June to September. Expect chilly days and rain on about three days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How April sits in the year

week by week

Temperature

Highs near 48°F in April, against 32°F to 80°F through the year.Highs near 9°C in April, against 0°C to 27°C through the year.

Chance of a wet day

41% of days in April, against 40% to 81% through the year.

Cloud cover

53% cover in April, against 43% to 75% through the year.

Daylight

13h 22m in April, against 9h 02m to 15h 19m through the year.

Week by week, lightly smoothed, with April shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. March38°3°low 26°low -3°4 wet days a weekRain on about four days a week.
  2. April48°9°low 34°low 1°3 wet days a weekRain on about three days a week.
  3. May62°17°low 45°low 7°3 wet days a weekRain on about three days a week.

Where Otaru sits, in April

Asia/Tokyo
this place
typical high in April 40°F4°C95°F35°C
Sunrise, mid-April
4:55 AMsets 6:17 PM
Above the sea
0 mlow-lying
Latitude
43.2°Nnorthern hemisphere
Nearest of ours
Kiroro13 km south

The land around Otaru, shaded by its typical high in April, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Japan in April

high · low · wet days
See April on the planning mapThe whole year in Otaru

Typical weather, averaged over 30 years (1995–2024), read 8 km west of Otaru. Its own grid square is mostly sea and holds only a daily average, so the page reads the nearest square with a true high and low near the town's height. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (0 m) against the climate model's (144 m).Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (0 m) against the climate model's (144 m). Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.