Climate averages 1991–2020
Shūnan weather
in July.
A warm, 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 warm month in Shūnan: daytime highs average 27.1°C and nights cool to about 21.5°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 259 mm of rain on roughly 15 days, which makes July a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 11 min on an average July day.
The nearest other city in this atlas is Hōfu (24 km away). In July its highs average 29.0°C, 2.0°C warmer than Shūnan, with 252 mm of rain.
Among the 303 cities listed in Japan, Shūnan ranks joint 233rd of 303 for the warmest July highs and joint 238th of 303 for the driest July (rainfall, lowest first). The mean July high of those 303 cities is 27.9°C; Shūnan is 0.8°C cooler than that mean.
From July to August, average highs rise by 1.2°C to 28.3°C, and monthly rainfall falls from 259 mm to 147 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
Shūnan climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 6.6°C0.8°C | 0.8°C | 61 | 9.3 | 10.210 h |
| February | 7.8°C0.8°C | 0.8°C | 78 | 9.7 | 10.911 h |
| March | 11.3°C3.4°C | 3.4°C | 124 | 10.7 | 12.012 h |
| April | 16.2°C7.9°C | 7.9°C | 147 | 10.2 | 13.013 h |
| May | 20.5°C12.8°C | 12.8°C | 169 | 10.1 | 13.914 h |
| June | 23.6°C17.2°C | 17.2°C | 264 | 14.3 | 14.414 h |
| July, selected | 27.1°C21.5°C | 21.5°C | 259 | 14.6 | 14.214 h |
| August | 28.3°C22.6°C | 22.6°C | 147 | 12.7 | 13.413 h |
| September | 25.1°C19.0°C | 19.0°C | 169 | 11.5 | 12.412 h |
| October | 20.1°C13.4°C | 13.4°C | 113 | 7.7 | 11.411 h |
| November | 14.5°C8.0°C | 8.0°C | 78 | 8.1 | 10.410 h |
| December | 8.9°C3.0°C | 3.0°C | 69 | 9.8 | 9.910 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
- Hōfu in JulyJapan · 24 kmHigh 29.0°C · Low 23.1°C · 252 mm rain
- Yamaguchi in JulyJapan · 35 kmHigh 28.8°C · Low 22.3°C · 283 mm rain
- Iwakuni in JulyJapan · 37 kmHigh 28.7°C · Low 23.4°C · 255 mm rain
- Ube in JulyJapan · 55 kmHigh 28.3°C · Low 23.5°C · 256 mm rain
- Hatsukaichi in JulyJapan · 55 kmHigh 29.7°C · Low 23.4°C · 255 mm rain
- Hiroshima in JulyJapan · 67 kmHigh 29.1°C · Low 22.8°C · 251 mm rain
- Kure in JulyJapan · 70 kmHigh 26.8°C · Low 22.8°C · 220 mm rain
- Nakatsu in JulyJapan · 80 kmHigh 30.0°C · Low 23.8°C · 221 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 Shūnan) is explained once on the Shūnan year overview and on the Sources, method and limits page.