Sanjō weather
At 10:45 AM local time it was mostly clear and 15°C (59°F). Light rain for 3 of the next 24 hours (under 1 mm/h, 0.7 mm total) — cloudy, but fine to be out. Best months for weather: Apr–Jun, Aug–Oct. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Sanjō, Niigata, Japan.
Current conditions
- Clouds
- 39%
- Chance of rain
- 0%
- Rain
- 0.0 mm/h
Hourly Forecast
Light rain for 3 of the next 24 hours (under 1 mm/h, 0.7 mm total) — cloudy, but fine to be out
Daily Forecast
Best Time to Visit
Peak season Apr–Jun, Aug–OctOff season Dec–Feb
About Sanjō weather
Is it raining in Sanjō right now?
No. It’s mostly clear and 15° right now. Light rain for 3 of the next 24 hours (under 1 mm/h, 0.7 mm total) — cloudy, but fine to be out.
What’s the weather like in Sanjō this week?
Over the next 7 days, expect highs of 13–20° and lows of 7–11°. Rain is likely on 6 of 7 days (Sunday, Monday, Tuesday, Thursday, Friday, Saturday). The driest day looks like Wednesday.
Has it been raining in Sanjō lately?
In the past 7 days, Sanjō had 6 rainy days and 68.2 mm of rain in total.
What should I pack for Sanjō?
For the coming week, bring an umbrella or rain jacket and a warm layer for the evenings.
Sanjō weather by month
When is the best time to visit Sanjō?
Based on weather alone, the best time to visit Sanjō is Apr–Jun, Aug–Oct, according to NASA's 2001–2025 climate averages. Dec–Feb tends to be the least pleasant. Average highs run from 4°C (39°F) in January to 29°C (84°F) in August.
What is the rainiest month in Sanjō?
December is the wettest month, with about 248 mm (9.8 in) of rain on average. May is the driest, with about 92 mm (3.6 in).
What is the hottest month in Sanjō?
August is the warmest, with average highs of 29°C (84°F) and lows of 22°C (72°F). January is the coolest, with highs of 4°C (39°F) and lows of 1°C (33°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