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Climate · Otaru

Otaru in August

Warm and wet, as the days shorten.

Typical weather, averaged over 30 years

August in Otaru is warm: highs near 80°F, lows near 67°F. Rain falls on about four days a week, and the days shorten by 1 hour 15 minutes from the first week to the last.August in Otaru is warm: highs near 27°C, lows near 19°C. Rain falls on about four days a week, and the days shorten by 1 hour 15 minutes from the first week to the last.

High
80°F27°Caverage
Low
67°F19°Caverage
Wet days
4a week · 52% of days
Daylight
13h 53mon average

Is August a good time to visit Otaru?

Yes. August is one of Otaru's best months (June to September).

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 August sits in the year

week by week

Temperature

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

Chance of a wet day

52% of days in August, against 40% to 81% through the year.

Cloud cover

54% cover in August, against 43% to 75% through the year.

Daylight

13h 53m in August, against 9h 02m to 15h 19m through the year.

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

Either side

  1. July77°25°low 62°low 17°3 wet days a weekRain on about three days a week.
  2. August80°27°low 67°low 19°4 wet days a weekRain on about four days a week.
  3. September74°23°low 60°low 16°4 wet days a weekRain on about four days a week.

Where Otaru sits, in August

Asia/Tokyo
this place
typical high in August 40°F4°C95°F35°C
Sunrise, mid-August
4:41 AMsets 6:41 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 August, 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 August

high · low · wet days
See August 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.