+35.8903° · +139.7892° · ELEV 0m
Koshigaya
Japan · Saitama
Monthly weather averages for Koshigaya, Japan — temperature highs and lows, rainfall, sunshine hours by month, and the best time to visit.
№ 01
August → JanuaryClimate Overview
Koshigaya has a temperate climate. The warmest month is August (31°C average high) and the coolest is January (9°C).
№ 02
1530 mm / yearRainfall by Month
Koshigaya sees 1530 mm of rain a year. The wettest month is September (208 mm); the driest is January (53 mm).
№ 03
JuneBest Time to Visit
June
18°C – 26°C · 8.0h sun
The best time to visit Koshigaya is June, when temperatures average 18°C–26°C with 8.0 sunshine hours per day.
Some visitors prefer March–May for cooler, drier conditions.
№ 04
12 months · °C · mm · hoursMonthly Breakdown
| January | 8.9°C | -0.7°C | 53 mm | 8.1 h | 06:50 | 16:49 |
|---|---|---|---|---|---|---|
| February | 10.0°C | 0.1°C | 64 mm | 8.2 h | 06:28 | 17:21 |
| March | 14.5°C | 4.3°C | 126 mm | 8.3 h | 05:52 | 17:47 |
| April | 18.8°C | 8.7°C | 120 mm | 8.9 h | 05:08 | 18:13 |
| May | 23.8°C | 13.9°C | 116 mm | 9.1 h | 04:35 | 18:38 |
| June | 26.2°C | 18.2°C | 177 mm | 8.0 h | 04:23 | 18:58 |
| July | 29.7°C | 22.4°C | 189 mm | 8.5 h | 04:35 | 18:57 |
| August | 31.0°C | 23.7°C | 132 mm | 9.5 h | 04:58 | 18:32 |
| September | 26.9°C | 20.0°C | 208 mm | 7.5 h | 05:22 | 17:49 |
| October | 21.3°C | 13.8°C | 200 mm | 7.1 h | 05:46 | 17:06 |
| November | 16.6°C | 7.9°C | 86 mm | 7.2 h | 06:16 | 16:34 |
| December | 11.2°C | 1.8°C | 59 mm | 7.5 h | 06:43 | 16:28 |
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View monthly climate averages for nearby cities or compare them with Koshigaya.
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Temperature, rainfall and sunshine, month by month.