+35.8180° · +139.3680° · ELEV 0m
Iruma
Japan · Saitama
Monthly weather averages for Iruma, Japan — temperature highs and lows, rainfall, sunshine hours by month, and the best time to visit.
№ 01
August → JanuaryClimate Overview
Iruma has a temperate climate. The warmest month is August (30°C average high) and the coolest is January (8°C).
№ 02
1766 mm / yearRainfall by Month
Iruma sees 1766 mm of rain a year. The wettest month is September (238 mm); the driest is January (58 mm).
№ 03
March–MayBest Time to Visit
March–May
4°C – 23°C · 8.8h sun
The best time to visit Iruma is March–May, when temperatures average 4°C–23°C with 8.8 sunshine hours per day.
№ 04
12 months · °C · mm · hoursMonthly Breakdown
| January | 8.1°C | -1.1°C | 58 mm | 8.2 h | 06:52 | 16:50 |
|---|---|---|---|---|---|---|
| February | 9.2°C | -0.4°C | 69 mm | 8.4 h | 06:30 | 17:23 |
| March | 13.7°C | 3.8°C | 134 mm | 8.3 h | 05:54 | 17:49 |
| April | 18.1°C | 8.1°C | 132 mm | 8.9 h | 05:10 | 18:14 |
| May | 23.0°C | 13.4°C | 123 mm | 9.1 h | 04:37 | 18:40 |
| June | 25.3°C | 17.6°C | 217 mm | 8.0 h | 04:25 | 19:00 |
| July | 28.9°C | 21.8°C | 233 mm | 8.3 h | 04:37 | 18:59 |
| August | 30.1°C | 23.0°C | 192 mm | 9.4 h | 05:00 | 18:33 |
| September | 25.8°C | 19.4°C | 238 mm | 7.5 h | 05:24 | 17:51 |
| October | 20.4°C | 13.3°C | 227 mm | 7.2 h | 05:48 | 17:08 |
| November | 15.7°C | 7.8°C | 84 mm | 7.5 h | 06:18 | 16:36 |
| December | 10.5°C | 1.8°C | 59 mm | 7.7 h | 06:44 | 16:29 |