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:
24°C
75.2°F
°C °F

Condition: Overcast

Pressure: 1,006 hPa

Feel like: 26 °C

Temperature: 24°C

Cloud: 96%

Humidity: 71%

Wind: SE - 9 km/h

Visibility: 29.88 km

Weather forecast

Sun
21 Jun
17°C / 19°C
Moderate Rain
Mon
22 Jun
17°C / 21°C
Slight Rain Showers
Tue
23 Jun
15°C / 21°C
Overcast
Wed
24 Jun
18°C / 27°C
Overcast
Thu
25 Jun
21°C / 24°C
Moderate Drizzle
Hourly forecast today:
08:00 AM
19° / 24°
19° / 24°
Overcast
71% 41 km/h
09:00 AM
18° / 24°
18° / 24°
Partly Cloudy
72% 36 km/h
10:00 AM
18° / 23°
18° / 23°
Overcast
73% 39 km/h
11:00 AM
19° / 22°
19° / 22°
Drizzle
83% 39 km/h
12:00 PM
18° / 21°
18° / 21°
Moderate Drizzle
85% 40 km/h
13:00 PM
18° / 21°
18° / 21°
Slight Rain
86% 40 km/h
14:00 PM
18° / 20°
18° / 20°
Slight Rain
86% 43 km/h
15:00 PM
18° / 20°
18° / 20°
Slight Rain
85% 46 km/h
16:00 PM
17° / 20°
17° / 20°
Drizzle Dense Intensity
85% 47 km/h
17:00 PM
17° / 20°
17° / 20°
Moderate Rain
87% 46 km/h
18:00 PM
17° / 20°
17° / 20°
Moderate Rain
86% 45 km/h

30 Day Averages and Extremes

  • Average high 23.83°C
  • Average low 17.77°C
  • Hottest day 29°C (17 June 2026)
  • Coldest day 14°C (10 June 2026)
  • Average humidity 80.57%
  • Days with precipitation 28 days
  • Highest precipitation 94 mm (20 June 2026)

Yesterday's Data

  • Max: 27°C
  • Min: 20°C
  • Total Precipitation: 4 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 18ºC to 21ºC (64.4ºF to 69.8ºF), you might consider wearing:
- Sun hat or cap
- Sunscreen (if spending time outdoors)
- Cotton or linen fabrics
- Sunglasses

Temperature

Early
19°C / 27°C
Morning
18°C / 24°C
Afternoon
18°C / 20°C
Evening
18°C / 20°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 439
  • CO 126
  • NH3 0
  • NO2 4
  • O3 81
  • PM10 4
  • PM25 4
  • SO2 2
  • CH4 1,388

Sunrise / Sunset

19:21
10:09