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Tomamu, Japan Weather Averages

August is the hottest month in Tomamu with an average temperature of 21°C (69°F) and the coldest is January at -6°C (20°F). The wettest month is September with an average of 157mm of rain..

Average Temperature Tomamu

What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month
What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

Average High Low Temperature Tomamu

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

Average Rainfall Tomamu

What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

Tomamu : Next 24-Hour Weather

Tomorrow - 7th October 2025

Sunrise 05:35

Sunrise

Sunset 17:01

Sunset
7:00
Clear
4°C (39°F)
8:00
Clear
8°C (46°F)
9:00
Clear
12°C (52°F)
10:00
Partly cloudy
14°C (56°F)
11:00
Partly cloudy
15°C (57°F)
12:00
Partly cloudy
15°C (58°F)
13:00
Partly cloudy
16°C (59°F)
14:00
Patchy rain possible
15°C (59°F)
15:00
Patchy rain possible
14°C (57°F)
16:00
Cloudy
13°C (54°F)
17:00
Cloudy
11°C (51°F)
18:00
Partly cloudy
10°C (50°F)
19:00
Partly cloudy
10°C (49°F)
20:00
Partly cloudy
9°C (47°F)
21:00
Partly cloudy
8°C (46°F)
22:00
Mist
7°C (44°F)
23:00
Partly cloudy
7°C (44°F)

Tomorrow - 8th October 2025

Sunrise 05:35

Sunrise

Sunset 17:01

Sunset
0:00
Partly cloudy
8°C (45°F)
1:00
Cloudy
8°C (46°F)
2:00
Patchy rain possible
8°C (46°F)
3:00
Patchy rain possible
9°C (47°F)
4:00
Patchy rain possible
10°C (49°F)
5:00
Light drizzle
10°C (49°F)
6:00
Light rain
10°C (49°F)
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