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:
26°C
78.8°F
°C °F

Condition: Mainly Clear

Pressure: 1,008 hPa

Feel like: 32 °C

Temperature: 26°C

Cloud: 35%

Humidity: 95%

Wind: S - 3 km/h

Visibility: 16.36 km

Weather forecast

Tue
21 Jul
25°C / 30°C
Moderate Drizzle
Wed
22 Jul
24°C / 30°C
Moderate Drizzle
Thu
23 Jul
24°C / 31°C
Moderate Drizzle
Fri
24 Jul
24°C / 29°C
Slight Thunderstorm
Sat
25 Jul
25°C / 30°C
Slight Rain Showers
Hourly forecast today:
21:00 PM
25° / 26°
25° / 26°
Mainly Clear
95% 17 km/h
22:00 PM
25° / 26°
25° / 26°
Mainly Clear
91% 21 km/h
23:00 PM
25° / 28°
25° / 28°
Mainly Clear
87% 30 km/h
00:00 AM
25° / 29°
25° / 29°
Mainly Clear
81% 35 km/h
01:00 AM
26° / 30°
26° / 30°
Drizzle
78% 36 km/h
02:00 AM
25° / 31°
25° / 31°
Mainly Clear
72% 35 km/h
03:00 AM
25° / 32°
25° / 32°
Mainly Clear
68% 33 km/h
04:00 AM
25° / 32°
25° / 32°
Mainly Clear
68% 30 km/h
05:00 AM
25° / 32°
25° / 32°
Mainly Clear
68% 34 km/h
06:00 AM
25° / 32°
25° / 32°
Mainly Clear
69% 36 km/h
07:00 AM
26° / 30°
26° / 30°
Mainly Clear
78% 27 km/h

30 Day Averages and Extremes

  • Average high 29.43°C
  • Average low 23.73°C
  • Hottest day 34°C (14 July 2026)
  • Coldest day 21°C (05 July 2026)
  • Average humidity 82.47%
  • Days with precipitation 30 days
  • Highest precipitation 84 mm (12 July 2026)

Yesterday's Data

  • Max: 32°C
  • Min: 24°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 32ºC (89.6ºF), consider wearing:
- High SPF sunscreen for outdoor activities
- Airy sandals or flip-flops
- Lightweight, loose-fitting shorts
- Sleeveless tops or vests

Temperature

Early
26°C / 32°C
Morning
25°C / 29°C
Afternoon
25°C / 26°C
Evening
25°C / 26°C

Air quality

Moderate

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

  • CO2 470
  • CO 163
  • NH3 0
  • NO2 8
  • O3 81
  • PM10 36
  • PM25 35
  • SO2 3
  • CH4 1,488

Sunrise / Sunset

19:37
10:02