Niigata, Japan Weather

  1. Niigata, Japan Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Niigata over the next 12 hours
  7. Temperature and possibility of rain in Niigata in the coming days
  8. Rainfall in Niigata in the coming days
  9. Niigata Weather Summary
  10. Weather averages by month
  11. Niigata's weather
  12. Frequently asked questions
  13. Comments
Niigata, Weather
(Photo by Sora Sagano on Unsplash)

Current conditions

Updated:
20°C
68.0°F
°C °F

Condition: Clear Sky

Pressure: 1,020 hPa

Feel like: 21 °C

Temperature: 20°C

Cloud: 0%

Humidity: 78%

Wind: NE - 4 km/h

Visibility: 31.2 km

Weather forecast

Sun
11 Oct
15°C / 22°C
Overcast
Mon
12 Oct
16°C / 24°C
Overcast
Tue
13 Oct
17°C / 21°C
Slight Rain Showers
Wed
14 Oct
13°C / 19°C
Overcast
Thu
15 Oct
12°C / 20°C
Drizzle
Hourly forecast today:
11:00 AM
16° / 20°
16° / 20°
Clear Sky
78% 5 km/h
12:00 PM
16° / 19°
16° / 19°
Clear Sky
83% 11 km/h
13:00 PM
15° / 18°
15° / 18°
Clear Sky
87% 11 km/h
14:00 PM
15° / 17°
15° / 17°
Clear Sky
88% 6 km/h
15:00 PM
15° / 17°
15° / 17°
Clear Sky
91% 3 km/h
16:00 PM
15° / 16°
15° / 16°
Clear Sky
91% 5 km/h
17:00 PM
15° / 17°
15° / 17°
Clear Sky
90% 6 km/h
18:00 PM
15° / 16°
15° / 16°
Clear Sky
90% 6 km/h
19:00 PM
14° / 16°
14° / 16°
Clear Sky
91% 9 km/h
20:00 PM
14° / 15°
14° / 15°
Mainly Clear
90% 14 km/h
21:00 PM
14° / 15°
14° / 15°
Mainly Clear
89% 15 km/h

30 Day Averages and Extremes

  • Average high 21.47°C
  • Average low 15.53°C
  • Hottest day 25°C (26 September 2026)
  • Coldest day 12°C (15 October 2026)
  • Average humidity 70.1%
  • Days with precipitation 20 days
  • Highest precipitation 64 mm (27 September 2026)

Yesterday's Data

  • Max: 24°C
  • Min: 15°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Niigata over the next 12 hours

Temperature and possibility of rain in Niigata in the coming days

Rainfall in Niigata in the coming days

Niigata Climate Summary

Niigata features a Humid subtropical, no dry season (Köppen classification: Cfa), with an average annual temperature of 14.15ºC (57.47ºF), which is about -1.04% lower than the national average for Japan. Annually, the city experiences approximately 98.67 millimeters (3.88 inches) of rainfall, spread across 183.98 rainy days, accounting for 50.41% of the year.

Longitude 37.9161244
Latitude 139.0363708
Yearly high temperature 15.71ºC (60.28ºF)
Yearly low temperature 11.34ºC (52.41ºF)
Hottest month August 28.52ºC (83.34ºF)
Coldest month February 1.23ºC (34.21ºF)
Yearly precip 98.67mm (3.88in)
Days with rainfall 183.98 days (50.41%)
Driest month May (74.15%)
Wettest month December (74.85%)

Weather averages by month

Month High / Low (°C) Rain
January 4.25° / 1.4° 24.82 days
February 4.48° / 1.23° 17.36 days
March 7.96° / 3.94° 16.45 days
April 12.72° / 7.72° 11.36 days
May 18.25° / 12.74° 10.18 days
June 22.18° / 16.77° 9.45 days
July 26.27° / 21.55° 14.27 days
August 28.52° / 23.49° 12.27 days
September 24.76° / 19.87° 11.91 days
October 18.81° / 14.31° 13.09 days
November 12.92° / 9.07° 18.0 days
December 7.36° / 4.01° 24.82 days

Niigata's weather

Frequently asked questions

1. What is the hottest month in Niigata?

August has the highest average monthly temperature (daily mean of 28.52ºC) and February are the coolest (daily mean of 1.23ºC).

2. What should I wear in Niigata today?

For today's warm weather in Niigata, with temperatures between 19ºC to 22ºC (66.2ºF to 71.6ºF), you might consider wearing:
- Sunglasses
- Cotton or linen fabrics
- Light, breathable socks
- T-shirt or short-sleeve blouse

Temperature

Early
14°C / 24°C
Morning
16°C / 20°C
Afternoon
15°C / 17°C
Evening
14°C / 15°C

Air quality

Unhealthy for Sensitive Groups

Unhealthy for Sensitive Groups air quality, health effects possible for sensitive people, general public usually unaffected

  • CO2 462
  • CO 268
  • NH3 0
  • NO2 8
  • O3 131
  • PM10 15
  • PM25 14
  • SO2 4
  • CH4 1,420

Sunrise / Sunset

20:47
08:12