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:
25°C
77.0°F
°C °F

Condition: Partly Cloudy

Pressure: 1,007 hPa

Feel like: 28 °C

Temperature: 25°C

Cloud: 71%

Humidity: 71%

Wind: N - 7 km/h

Visibility: 7.5 km

Weather forecast

Sun
21 Jun
18°C / 23°C
Slight Thunderstorm
Mon
22 Jun
18°C / 22°C
Moderate Drizzle
Tue
23 Jun
15°C / 22°C
Overcast
Wed
24 Jun
19°C / 25°C
Moderate Drizzle
Thu
25 Jun
21°C / 24°C
Moderate Rain Showers
Hourly forecast today:
03:00 AM
20° / 25°
20° / 25°
Partly Cloudy
71% 27 km/h
04:00 AM
20° / 25°
20° / 25°
Partly Cloudy
73% 27 km/h
05:00 AM
20° / 25°
20° / 25°
Overcast
73% 29 km/h
06:00 AM
20° / 25°
20° / 25°
Overcast
73% 29 km/h
07:00 AM
20° / 26°
20° / 26°
Partly Cloudy
71% 35 km/h
08:00 AM
20° / 25°
20° / 25°
Overcast
72% 39 km/h
09:00 AM
19° / 25°
19° / 25°
Overcast
72% 38 km/h
10:00 AM
19° / 23°
19° / 23°
Overcast
77% 35 km/h
11:00 AM
19° / 23°
19° / 23°
Overcast
77% 35 km/h
12:00 PM
19° / 23°
19° / 23°
Overcast
78% 41 km/h
13:00 PM
19° / 22°
19° / 22°
Partly Cloudy
79% 43 km/h

30 Day Averages and Extremes

  • Average high 23.33°C
  • Average low 17.23°C
  • Hottest day 29°C (17 June 2026)
  • Coldest day 0°C (03 July 2026)
  • Average humidity 76.9%
  • Days with precipitation 27 days
  • Highest precipitation 91 mm (20 June 2026)

Yesterday's Data

  • Max: 26°C
  • Min: 19°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:
- Light, breathable socks
- Sunglasses
- Cotton or linen fabrics
- Sun hat or cap

Temperature

Early
20°C / 25°C
Morning
19°C / 25°C
Afternoon
18°C / 22°C
Evening
17°C / 19°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 447
  • CO 137
  • NH3 0
  • NO2 2
  • O3 118
  • PM10 5
  • PM25 5
  • SO2 3
  • CH4 1,394

Sunrise / Sunset

19:21
10:09