Ōmachi weather
At 11:45 AM local time it was mostly clear and 13°C (55°F). Light rain for 2 of the next 24 hours (under 1 mm/h, 0.6 mm total) — cloudy, but fine to be out. Best months for weather: May–Jun, Aug–Sep. Ōmachi sits 714 m (2,343 ft) above sea level, which keeps it cooler than the coast. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Ōmachi, Nagano, Japan.
Current conditions
- Clouds
- 29%
- Chance of rain
- 0%
- Rain
- 0.0 mm/h
Hourly Forecast
Light rain for 2 of the next 24 hours (under 1 mm/h, 0.6 mm total) — cloudy, but fine to be out
Daily Forecast
Best Time to Visit
Peak season May–Jun, Aug–SepOff season Dec–Mar
About Ōmachi weather
Is it raining in Ōmachi right now?
No. It’s mostly clear and 13° right now. Light rain for 2 of the next 24 hours (under 1 mm/h, 0.6 mm total) — cloudy, but fine to be out.
What’s the weather like in Ōmachi this week?
Over the next 7 days, expect highs of 12–20° and lows of 4–11°. Rain is likely on 4 of 7 days (Monday, Thursday, Friday, Saturday). The driest day looks like Wednesday.
Has it been raining in Ōmachi lately?
In the past 7 days, Ōmachi had 3 rainy days and 37.9 mm of rain in total.
What should I pack for Ōmachi?
For the coming week, bring an umbrella or rain jacket and a warm layer for the evenings.
Ōmachi weather by month
When is the best time to visit Ōmachi?
Based on weather alone, the best time to visit Ōmachi is May–Jun, Aug–Sep, according to NASA's 2001–2025 climate averages. Dec–Mar tends to be the least pleasant. Average highs run from 0°C (32°F) in January to 27°C (81°F) in August.
What is the rainiest month in Ōmachi?
July is the wettest month, with about 199 mm (7.8 in) of rain on average. February is the driest, with about 69 mm (2.7 in).
What is the hottest month in Ōmachi?
August is the warmest, with average highs of 27°C (81°F) and lows of 18°C (64°F). January is the coolest, with highs of 0°C (32°F) and lows of -9°C (16°F).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months