jp Flag

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

Today - 21st November 2025

Sunrise 06:31

Sunrise

Sunset 16:01

Sunset
12:00
Moderate or heavy snow showers
2°C (35°F)
13:00
Moderate snow
2°C (35°F)
14:00
Moderate or heavy snow showers
1°C (33°F)
15:00
Heavy snow
-0°C (32°F)
16:00
Heavy snow
-1°C (30°F)
17:00
Heavy snow
-1°C (30°F)
18:00
Heavy snow
-1°C (29°F)
19:00
Heavy snow
-1°C (29°F)
20:00
Heavy snow
-1°C (29°F)
21:00
Heavy snow
-2°C (28°F)
22:00
Heavy snow
-2°C (28°F)
23:00
Heavy snow
-2°C (28°F)

Tomorrow - 22nd November 2025

Sunrise 06:31

Sunrise

Sunset 16:01

Sunset
0:00
Heavy snow
-2°C (27°F)
1:00
Heavy snow
-2°C (27°F)
2:00
Heavy snow
-2°C (27°F)
3:00
Heavy snow
-3°C (27°F)
4:00
Heavy snow
-3°C (26°F)
5:00
Patchy heavy snow
-3°C (26°F)
6:00
Moderate or heavy snow showers
-3°C (26°F)
7:00
Light snow showers
-3°C (25°F)
8:00
Light snow showers
-2°C (27°F)
9:00
Light snow showers
-1°C (29°F)
10:00
Moderate or heavy snow showers
-0°C (31°F)
11:00
Moderate or heavy snow showers
1°C (33°F)