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:
28°C
82.4°F
°C °F

Condition: Clear Sky

Pressure: 1,007 hPa

Feel like: 34 °C

Temperature: 28°C

Cloud: 15%

Humidity: 75%

Wind: NE - 4 km/h

Visibility: 26.66 km

Weather forecast

Fri
07 Aug
26°C / 31°C
Drizzle
Sat
08 Aug
24°C / 27°C
Slight Thunderstorm
Sun
09 Aug
21°C / 26°C
Moderate Drizzle
Mon
10 Aug
20°C / 25°C
Drizzle
Tue
11 Aug
22°C / 26°C
Mainly Clear
Hourly forecast today:
10:00 AM
23° / 28°
23° / 28°
Clear Sky
75% 17 km/h
11:00 AM
23° / 28°
23° / 28°
Clear Sky
78% 15 km/h
12:00 PM
24° / 27°
24° / 27°
Clear Sky
80% 12 km/h
13:00 PM
24° / 27°
24° / 27°
Mainly Clear
81% 11 km/h
14:00 PM
23° / 27°
23° / 27°
Clear Sky
78% 10 km/h
15:00 PM
23° / 27°
23° / 27°
Clear Sky
76% 9 km/h
16:00 PM
22° / 27°
22° / 27°
Clear Sky
74% 7 km/h
17:00 PM
23° / 27°
23° / 27°
Clear Sky
76% 11 km/h
18:00 PM
23° / 27°
23° / 27°
Clear Sky
77% 12 km/h
19:00 PM
23° / 27°
23° / 27°
Mainly Clear
78% 13 km/h
20:00 PM
23° / 26°
23° / 26°
Mainly Clear
79% 14 km/h

30 Day Averages and Extremes

  • Average high 28.37°C
  • Average low 23.2°C
  • Hottest day 34°C (05 August 2026)
  • Coldest day 20°C (10 August 2026)
  • Average humidity 77.37%
  • Days with precipitation 27 days
  • Highest precipitation 95 mm (29 July 2026)

Yesterday's Data

  • Max: 34°C
  • Min: 25°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 very hot weather in Niigata, with the high temperatures above 33ºC (91.4ºF), consider wearing:
- Airy sandals or flip-flops
- UV-blocking sunglasses
- Light, natural fabrics (like cotton or linen)
- Ultra-thin, breathable socks

Temperature

Early
25°C / 32°C
Morning
23°C / 29°C
Afternoon
23°C / 27°C
Evening
23°C / 27°C

Air quality

Moderate

Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals

  • CO2 439
  • CO 124
  • NH3 0
  • NO2 6
  • O3 81
  • PM10 9
  • PM25 7
  • SO2 1
  • CH4 1,385

Sunrise / Sunset

19:51
09:47