Niigata, Japan Weather

Niigata,  Weather
(Photo by Sora Sagano on Unsplash)

Current conditions

Updated:
3°C
37.4°F
°C °F

Condition: Overcast

Pressure: 1,022 hPa

Feel like: 0 °C

Temperature: 3°C

Cloud: 82%

Humidity: 57%

Wind: N - 1 km/h

Visibility: 24.14 km

Weather forecast

Tue
17 Feb
4°C / 7°C
Slight Rain Showers
Wed
18 Feb
3°C / 5°C
Overcast
Thu
19 Feb
2°C / 6°C
Moderate Drizzle
Fri
20 Feb
0°C / 7°C
Overcast
Sat
21 Feb
4°C / 9°C
Drizzle
Hourly forecast today:
20:00 PM
-4° /
-4° /
Overcast
57% 4 km/h
21:00 PM
-4° /
-4° /
Overcast
57% 3 km/h
22:00 PM
-4° /
-4° /
Overcast
58% 5 km/h
23:00 PM
-3° /
-3° /
Overcast
60% 9 km/h
00:00 AM
-3° /
-3° /
Overcast
61% 12 km/h
01:00 AM
-3° /
-3° /
Overcast
60% 12 km/h
02:00 AM
-3° /
-3° /
Overcast
57% 10 km/h
03:00 AM
-3° /
-3° /
Overcast
55% 9 km/h
04:00 AM
-3° /
-3° /
Overcast
54% 10 km/h
05:00 AM
-3° /
-3° /
Overcast
53% 10 km/h
06:00 AM
-3° /
-3° /
Overcast
53% 11 km/h

30 Day Averages and Extremes

  • Average high 6.1°C
  • Average low 2.1°C
  • Hottest day 13°C (13 February 2026)
  • Coldest day -1°C (28 January 2026)
  • Average humidity 69.0%
  • Days with precipitation 29 days
  • Highest precipitation 93 mm (30 January 2026)

Yesterday's Data

  • Max: 8°C
  • Min: 4°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

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 cold weather in Niigata, with temperatures ranging from 2ºC to 5ºC (35.6ºF to 41.0ºF), you should wear:
- Warm jacket or medium-weight coat
- Hat and gloves, particularly for early mornings or evenings
- Long pants (jeans or other thick materials)
- Wool or thermal socks

Temperature

Early
0°C / 5°C
Morning
-1°C / 5°C
Afternoon
-2°C / 4°C
Evening
-4°C / 3°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 0
  • CO 0
  • NH3 0
  • NO2 0
  • O3 0
  • PM10 0
  • PM25 0
  • SO2 0
  • CH4 0

Sunrise / Sunset

21:31
08:23