Climate averages 1991–2020
Iida weather
in July.
A warm, very wet month: the 2nd warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a warm month in Iida: daytime highs average 27.5°C and nights cool to about 20.1°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 308 mm of rain on roughly 20 days, which makes July a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 14 h 18 min on an average July day.
The nearest other city in this atlas is Nakatsugawa (29 km away). In July its highs average 28.1°C, 0.6°C warmer than Iida, with 335 mm of rain.
Among the 303 cities listed in Japan, Iida ranks joint 203rd of 303 for the warmest July highs and 286th of 303 for the driest July (rainfall, lowest first). The mean July high of those 303 cities is 27.9°C; Iida is 0.4°C cooler than that mean.
From July to August, average highs rise by 1.3°C to 28.8°C, and monthly rainfall falls from 308 mm to 184 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
Iida climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 4.0°C-4.5°C | -4.5°C | 99 | 11.8 | 10.010 h |
| February | 5.3°C-3.9°C | -3.9°C | 109 | 10.4 | 10.911 h |
| March | 9.7°C0.4°C | 0.4°C | 171 | 13.1 | 11.912 h |
| April | 16.3°C5.9°C | 5.9°C | 174 | 12.8 | 13.113 h |
| May | 21.2°C11.3°C | 11.3°C | 191 | 13.7 | 14.014 h |
| June | 24.2°C16.0°C | 16.0°C | 263 | 18.0 | 14.515 h |
| July, selected | 27.5°C20.1°C | 20.1°C | 308 | 20.3 | 14.314 h |
| August | 28.8°C20.9°C | 20.9°C | 184 | 18.5 | 13.513 h |
| September | 25.3°C17.4°C | 17.4°C | 228 | 15.5 | 12.412 h |
| October | 19.8°C11.3°C | 11.3°C | 210 | 12.9 | 11.311 h |
| November | 13.8°C5.0°C | 5.0°C | 126 | 10.4 | 10.310 h |
| December | 7.3°C-0.7°C | -0.7°C | 100 | 12.0 | 9.810 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
- Nakatsugawa in JulyJapan · 29 kmHigh 28.1°C · Low 20.5°C · 335 mm rain
- Minami-Alps in JulyJapan · 59 kmHigh 28.3°C · Low 20.6°C · 269 mm rain
- Kai in JulyJapan · 65 kmHigh 28.3°C · Low 20.6°C · 199 mm rain
- Tajimi in JulyJapan · 66 kmHigh 28.6°C · Low 21.4°C · 268 mm rain
- Kofu in JulyJapan · 69 kmHigh 28.8°C · Low 20.9°C · 199 mm rain
- Kani in JulyJapan · 70 kmHigh 28.5°C · Low 21.1°C · 271 mm rain
- Seto in JulyJapan · 73 kmHigh 28.9°C · Low 21.8°C · 190 mm rain
- Toyota in JulyJapan · 78 kmHigh 28.9°C · Low 22.0°C · 278 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 Iida) is explained once on the Iida year overview and on the Sources, method and limits page.