Climate averages 1991–2020
Iga 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 Iga: daytime highs average 17.8°C and nights cool to about 7.8°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 134 mm of rain on roughly 11 days, which makes April a wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 02 min on an average April day.
The nearest other city in this atlas is Nabari (16 km away). In April its highs average 17.9°C, about as warm as Iga, with 139 mm of rain.
Among the 303 cities listed in Japan, Iga ranks joint 94th of 303 for the warmest April highs and joint 199th of 303 for the driest April (rainfall, lowest first). The mean April high of those 303 cities is 16.7°C; Iga is 1.1°C warmer than that mean.
From April to May, average highs rise by 4.8°C to 22.5°C, and monthly rainfall rises from 134 mm to 158 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
Iga climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.3°C0.1°C | 0.1°C | 63 | 6.5 | 10.110 h |
| February | 8.4°C0.3°C | 0.3°C | 70 | 8.0 | 10.911 h |
| March | 12.4°C2.8°C | 2.8°C | 119 | 12.0 | 11.912 h |
| April, selected | 17.8°C7.8°C | 7.8°C | 134 | 10.9 | 13.013 h |
| May | 22.5°C13.1°C | 13.1°C | 158 | 11.8 | 14.014 h |
| June | 25.8°C17.8°C | 17.8°C | 220 | 15.0 | 14.414 h |
| July | 29.4°C22.2°C | 22.2°C | 222 | 18.5 | 14.214 h |
| August | 30.8°C23.2°C | 23.2°C | 174 | 15.6 | 13.513 h |
| September | 26.8°C19.6°C | 19.6°C | 223 | 14.6 | 12.412 h |
| October | 21.0°C13.5°C | 13.5°C | 202 | 10.9 | 11.311 h |
| November | 15.5°C7.4°C | 7.4°C | 93 | 7.9 | 10.410 h |
| December | 9.9°C2.3°C | 2.3°C | 62 | 6.7 | 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
April in nearby cities
- Nabari in AprilJapan · 16 kmHigh 17.9°C · Low 7.7°C · 139 mm rain
- Kōka in AprilJapan · 25 kmHigh 17.3°C · Low 7.4°C · 133 mm rain
- Nara-shi in AprilJapan · 31 kmHigh 18.0°C · Low 7.8°C · 112 mm rain
- Jōyō in AprilJapan · 32 kmHigh 17.6°C · Low 7.5°C · 112 mm rain
- Kusatsu in AprilJapan · 33 kmHigh 17.6°C · Low 7.6°C · 119 mm rain
- Uji in AprilJapan · 34 kmHigh 17.9°C · Low 7.8°C · 133 mm rain
- Tsu in AprilJapan · 35 kmHigh 18.0°C · Low 9.2°C · 146 mm rain
- Ōtsu in AprilJapan · 36 kmHigh 17.3°C · Low 7.3°C · 133 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 Iga) is explained once on the Iga year overview and on the Sources, method and limits page.