Koshigaya weather
At 10:00 AM local time it was clear and 17°C (63°F). Little to no rain in the next 24 hours. Best months for weather: Apr–Aug, Nov. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Koshigaya, Saitama, Japan.
Current conditions
- Clouds
- 8%
- Chance of rain
- 0%
- Rain
- 0.0 mm/h
Hourly Forecast
Little to no rain in the next 24 hours
Daily Forecast
Best Time to Visit
Peak season Apr–Aug, NovOff season Jan–Feb
About Koshigaya weather
Is it raining in Koshigaya right now?
No. It’s clear and 17° right now. Little to no rain in the next 24 hours.
What’s the weather like in Koshigaya this week?
Over the next 7 days, expect highs of 16–23° and lows of 9–12°. Rain is likely on 3 of 7 days (Monday, Wednesday, Thursday). The driest day looks like Sunday.
Has it been raining in Koshigaya lately?
In the past 7 days, Koshigaya had 3 rainy days and 37.6 mm of rain in total.
What should I pack for Koshigaya?
For the coming week, bring an umbrella or rain jacket and a warm layer for the evenings.
Koshigaya weather by month
When is the best time to visit Koshigaya?
Based on weather alone, the best time to visit Koshigaya is Apr–Aug, Nov, according to NASA's 2001–2025 climate averages. Jan–Feb tends to be the least pleasant. Average highs run from 8°C (46°F) in January to 32°C (89°F) in August.
What is the rainiest month in Koshigaya?
October is the wettest month, with about 219 mm (8.6 in) of rain on average. February is the driest, with about 58 mm (2.3 in).
What is the hottest month in Koshigaya?
August is the warmest, with average highs of 32°C (89°F) and lows of 22°C (72°F). January is the coolest, with highs of 8°C (46°F) and lows of -2°C (28°F).
Does Koshigaya have a rainy season?
Yes. Jun–Jul, Sep–Oct is the rainy season (150 mm or more a month), while Feb is usually dry (under 60 mm).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months