Climate averages 1991–2020
Amakusa 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 Amakusa: daytime highs average 29.3°C and nights cool to about 24.0°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 366 mm of rain on roughly 19 days, which makes July a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 04 min on an average July day.
The nearest other city in this atlas is Honmachi (38 km away). In July its highs average 29.5°C, about as warm as Amakusa, with 347 mm of rain.
Among the 303 cities listed in Japan, Amakusa ranks joint 45th of 303 for the warmest July highs and 300th of 303 for the driest July (rainfall, lowest first). The mean July high of those 303 cities is 27.9°C; Amakusa is 1.4°C warmer than that mean.
From July to August, average highs rise by 1.5°C to 30.8°C, and monthly rainfall falls from 366 mm to 183 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
Amakusa climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 10.3°C5.4°C | 5.4°C | 68 | 8.5 | 10.310 h |
| February | 11.5°C5.6°C | 5.6°C | 89 | 9.2 | 11.011 h |
| March | 14.7°C8.1°C | 8.1°C | 131 | 11.5 | 12.012 h |
| April | 19.2°C12.0°C | 12.0°C | 152 | 11.0 | 13.013 h |
| May | 23.3°C16.1°C | 16.1°C | 181 | 11.1 | 13.814 h |
| June | 25.8°C20.1°C | 20.1°C | 445 | 17.4 | 14.214 h |
| July, selected | 29.3°C24.0°C | 24.0°C | 366 | 19.1 | 14.114 h |
| August | 30.8°C25.0°C | 25.0°C | 183 | 15.4 | 13.313 h |
| September | 28.1°C22.1°C | 22.1°C | 197 | 12.7 | 12.412 h |
| October | 23.3°C17.3°C | 17.3°C | 104 | 8.1 | 11.411 h |
| November | 17.8°C12.3°C | 12.3°C | 101 | 8.4 | 10.511 h |
| December | 12.5°C7.5°C | 7.5°C | 81 | 7.4 | 10.110 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
- Honmachi in JulyJapan · 38 kmHigh 29.5°C · Low 23.9°C · 347 mm rain
- Nagasaki in JulyJapan · 43 kmHigh 27.4°C · Low 24.3°C · 346 mm rain
- Isahaya in JulyJapan · 45 kmHigh 27.5°C · Low 23.6°C · 346 mm rain
- Ōmura in JulyJapan · 56 kmHigh 28.4°C · Low 24.4°C · 309 mm rain
- Kumamoto in JulyJapan · 61 kmHigh 29.0°C · Low 23.2°C · 301 mm rain
- Ōmuta in JulyJapan · 68 kmHigh 28.8°C · Low 23.3°C · 330 mm rain
- Sendai, Japan in JulyJapan · 72 kmHigh 29.1°C · Low 24.6°C · 324 mm rain
- Aira in JulyJapan · 85 kmHigh 29.4°C · Low 23.6°C · 336 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 Amakusa) is explained once on the Amakusa year overview and on the Sources, method and limits page.