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:
19°C
66.2°F
°C °F

Condition: Partly Cloudy

Pressure: 1,018 hPa

Feel like: 18 °C

Temperature: 19°C

Cloud: 66%

Humidity: 77%

Wind: N - 14 km/h

Visibility: 33.08 km

Weather forecast

Mon
26 Oct
14°C / 19°C
Moderate Rain
Tue
27 Oct
10°C / 14°C
Drizzle
Wed
28 Oct
9°C / 16°C
Overcast
Thu
29 Oct
13°C / 20°C
Moderate Drizzle
Fri
30 Oct
11°C / 17°C
Slight Thunderstorm
Hourly forecast today:
11:00 AM
15° / 19°
15° / 19°
Partly Cloudy
77% 37 km/h
12:00 PM
14° / 19°
14° / 19°
Partly Cloudy
74% 36 km/h
13:00 PM
14° / 18°
14° / 18°
Partly Cloudy
73% 35 km/h
14:00 PM
13° / 18°
13° / 18°
Mainly Clear
71% 40 km/h
15:00 PM
13° / 18°
13° / 18°
Partly Cloudy
72% 41 km/h
16:00 PM
12° / 17°
12° / 17°
Partly Cloudy
71% 37 km/h
17:00 PM
11° / 17°
11° / 17°
Overcast
68% 30 km/h
18:00 PM
10° / 17°
10° / 17°
Partly Cloudy
66% 34 km/h
19:00 PM
10° / 16°
10° / 16°
Mainly Clear
68% 39 km/h
20:00 PM
11° / 16°
11° / 16°
Partly Cloudy
72% 43 km/h
21:00 PM
10° / 15°
10° / 15°
Partly Cloudy
73% 44 km/h

30 Day Averages and Extremes

  • Average high 17.47°C
  • Average low 12.2°C
  • Hottest day 26°C (12 October 2026)
  • Coldest day 0°C (08 November 2026)
  • Average humidity 69.83%
  • Days with precipitation 23 days
  • Highest precipitation 92 mm (20 October 2026)

Yesterday's Data

  • Max: 20°C
  • Min: 17°C
  • Total Precipitation: 27 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 mild weather in Niigata, with temperatures between 15ºC to 18ºC (59.0ºF to 64.4ºF), consider wearing:
- Casual sneakers or loafers
- Long-sleeve shirt or blouse
- Comfortable jeans or slacks
- Sun hat (if spending time outdoors)

Temperature

Early
18°C / 20°C
Morning
16°C / 19°C
Afternoon
13°C / 18°C
Evening
10°C / 15°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 443
  • CO 124
  • NH3 0
  • NO2 2
  • O3 76
  • PM10 16
  • PM25 11
  • SO2 1
  • CH4 1,375

Sunrise / Sunset

21:02
07:52