Saku weather
At 8:15 AM local time it was partly cloudy and 9°C (49°F). Little to no rain in the next 24 hours. Best months for weather: May–Jun, Aug. Saku sits 686 m (2,251 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 Saku, Nagano, Japan.
Current conditions
- Clouds
- 67%
- 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 May–Jun, AugOff season Dec–Mar
About Saku weather
Is it raining in Saku right now?
No. It’s partly cloudy and 9° right now. Little to no rain in the next 24 hours.
What’s the weather like in Saku this week?
Over the next 7 days, expect highs of 9–21° and lows of 0–10°. Rain is likely on 3 of 7 days (Monday, Thursday, Saturday). The driest day looks like Sunday.
Has it been raining in Saku lately?
In the past 7 days, Saku had 2 rainy days and 29.1 mm of rain in total.
What should I pack for Saku?
For the coming week, bring an umbrella or rain jacket and a warm winter coat.
Saku weather by month
When is the best time to visit Saku?
Based on weather alone, the best time to visit Saku is May–Jun, Aug, according to NASA's 2001–2025 climate averages. Dec–Mar tends to be the least pleasant. Average highs run from 2°C (35°F) in January to 27°C (81°F) in August.
What is the rainiest month in Saku?
July is the wettest month, with about 194 mm (7.6 in) of rain on average. February is the driest, with about 53 mm (2.1 in).
What is the hottest month in Saku?
August is the warmest, with average highs of 27°C (81°F) and lows of 18°C (65°F). January is the coolest, with highs of 2°C (35°F) and lows of -7°C (19°F).
Does Saku have a rainy season?
Yes. Jul–Oct is the rainy season (150 mm or more a month), while Dec–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