Climate averages 1991–2020
Iida weather
in April.
A mild, wet month: the 7th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a mild month in Iida: daytime highs average 16.3°C and nights cool to about 5.9°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 174 mm of rain on roughly 13 days, which makes April a wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 04 min on an average April day.
The nearest other city in this atlas is Nakatsugawa (29 km away). In April its highs average 17.1°C, 0.8°C warmer than Iida, with 187 mm of rain.
Among the 303 cities listed in Japan, Iida ranks joint 217th of 303 for the warmest April highs and 282nd of 303 for the driest April (rainfall, lowest first). The mean April high of those 303 cities is 16.7°C; Iida is 0.4°C cooler than that mean.
From April to May, average highs rise by 4.9°C to 21.2°C, and monthly rainfall rises from 174 mm to 191 mm.
The annual picture
April 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, selected | 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 | 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
April in nearby cities
- Nakatsugawa in AprilJapan · 29 kmHigh 17.1°C · Low 5.5°C · 187 mm rain
- Minami-Alps in AprilJapan · 59 kmHigh 17.5°C · Low 7.1°C · 168 mm rain
- Kai in AprilJapan · 65 kmHigh 17.4°C · Low 7.0°C · 120 mm rain
- Tajimi in AprilJapan · 66 kmHigh 17.6°C · Low 6.6°C · 152 mm rain
- Kofu in AprilJapan · 69 kmHigh 17.9°C · Low 7.0°C · 120 mm rain
- Kani in AprilJapan · 70 kmHigh 17.5°C · Low 6.2°C · 157 mm rain
- Seto in AprilJapan · 73 kmHigh 18.0°C · Low 7.1°C · 123 mm rain
- Toyota in AprilJapan · 78 kmHigh 18.2°C · Low 7.3°C · 151 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.