Climate · Tomamu

Tomamu in August

Warm and wet, as the days shorten.

Typical weather, averaged over 30 years

August in Tomamu is warm: highs near 75°F, lows near 60°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 Tomamu is warm: highs near 24°C, lows near 16°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
75°F24°Caverage
Low
60°F16°Caverage
Wet days
4a week · 55% of days
Daylight
13h 52mon average

Is August a good time to visit Tomamu?


Yes. August is one of Tomamu's best months (July to August).

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 75°F in August, against 22°F to 75°F through the year.Highs near 24°C in August, against -6°C to 24°C through the year.

Chance of a wet day

55% of days in August, against 47% to 56% through the year.

Cloud cover

58% cover in August, against 49% to 72% through the year.

Daylight

13h 52m in August, against 9h 03m 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. July73°23°low 58°low 14°4 wet days a weekRain on about four days a week.
  2. August75°24°low 60°low 16°4 wet days a weekRain on about four days a week.
  3. September68°20°low 52°low 11°3 wet days a weekRain on about three days a week.

Where Tomamu sits, in August

Asia/Tokyo

this place
typical high in August 40°F4°C95°F35°C
Sunrise, mid-August
4:34 AMsets 6:34 PM
Above the sea
620 mupland
Latitude
43.1°Nnorthern hemisphere
Nearest of ours
Sapporo103 km west

The land around Tomamu, 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

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Tomamu. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. 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.