Climate averages 1991–2020
Ōmuta weather
in July.
A hot, very wet month: the 2nd warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a hot month in Ōmuta: daytime highs average 28.8°C and nights cool to about 23.3°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 330 mm of rain on roughly 17 days, which makes July a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 06 min on an average July day.
The nearest other city in this atlas is Saga (26 km away). In July its highs average 29.0°C, about as warm as Ōmuta, with 309 mm of rain.
Among the 303 cities listed in Japan, Ōmuta ranks joint 92nd of 303 for the warmest July highs and 291st of 303 for the driest July (rainfall, lowest first). The mean July high of those 303 cities is 27.9°C; Ōmuta is 0.9°C warmer than that mean.
From July to August, average highs rise by 1.4°C to 30.2°C, and monthly rainfall falls from 330 mm to 159 mm.
The annual picture
July in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Ōmuta climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.2°C3.6°C | 3.6°C | 62 | 8.1 | 10.210 h |
| February | 10.6°C3.8°C | 3.8°C | 85 | 9.0 | 11.011 h |
| March | 13.9°C6.4°C | 6.4°C | 128 | 11.7 | 12.012 h |
| April | 18.7°C10.4°C | 10.4°C | 145 | 10.9 | 13.013 h |
| May | 23.0°C15.0°C | 15.0°C | 172 | 11.1 | 13.814 h |
| June | 25.6°C19.3°C | 19.3°C | 393 | 16.7 | 14.314 h |
| July, selected | 28.8°C23.3°C | 23.3°C | 330 | 16.7 | 14.114 h |
| August | 30.2°C24.2°C | 24.2°C | 159 | 12.7 | 13.413 h |
| September | 27.3°C21.0°C | 21.0°C | 165 | 10.7 | 12.412 h |
| October | 22.4°C15.5°C | 15.5°C | 101 | 7.4 | 11.411 h |
| November | 16.9°C10.3°C | 10.3°C | 90 | 7.8 | 10.510 h |
| December | 11.5°C5.6°C | 5.6°C | 72 | 7.7 | 10.010 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
July in nearby cities
- Saga in JulyJapan · 26 kmHigh 29.0°C · Low 23.0°C · 309 mm rain
- Kurume in JulyJapan · 32 kmHigh 29.4°C · Low 22.7°C · 334 mm rain
- Kumamoto in JulyJapan · 34 kmHigh 29.0°C · Low 23.2°C · 301 mm rain
- Tosu in JulyJapan · 38 kmHigh 29.5°C · Low 23.0°C · 334 mm rain
- Isahaya in JulyJapan · 44 kmHigh 27.5°C · Low 23.6°C · 346 mm rain
- Ōmura in JulyJapan · 48 kmHigh 28.4°C · Low 24.4°C · 309 mm rain
- Kasuga in JulyJapan · 55 kmHigh 29.7°C · Low 23.2°C · 286 mm rain
- Honmachi in JulyJapan · 60 kmHigh 29.5°C · Low 23.9°C · 347 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Ōmuta) is explained once on the Ōmuta year overview and on the Sources, method and limits page.