Niigata Prefecture Weather in July

Average temperatures, rainfall, sunshine and the best places to visit in Niigata Prefecture, Japan in July.

Considering a trip to Niigata Prefecture, Japan this July and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Niigata Prefecture in July

Niigata Prefecture, Japan is a region in Japan. July in Niigata Prefecture generally has temperatures that range from warm to very warm, with heavy precipitation. During July, summer is in full swing.

Temperatures

Based on our climate data spanning from 1990-2020, the average maximum temperature is warm in Yuzawa at 26°C (79°F) to very warm in Nagaoka at 30°C (86°F). Nighttime temperatures generally drop to 21°C (70°F) in Nagaoka and 18°C (64°F) in Yuzawa.

For specific regional insights in Niigata Prefecture, Japan, refer to the map provided below.

Precipitation

In July, precipitation varies across different areas. From heavy rainfall in Sado with an average of 207 mm (8.1 in) to heavy rainfall in Agano with 300 mm (12 in). Based on climate data from the last 30 years, Myoko receives the most rainfall during this month of the year.

Average sunshine

Sunshine levels are moderate in most locations. Myoko typically sees 170 hours of sunlight, creating comfortable conditions that aren't too bright or too dim. Looking for something sunnier? Our weather planner helps you discover destinations with more reliable sunshine.

Explore Niigata Prefecture by month

Pick a month to see the average temperature, rainfall and sunshine in Niigata Prefecture — and find the best time to visit. (based on Myoko)

Best Places to Visit in Niigata Prefecture in July

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Niigata Prefecture.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Niigata Prefecture

What is the weather like in July for some of the most popular destinations in Niigata Prefecture, Japan?

Temperature range in Niigata Prefecture (July)

Precipitation variation in Niigata Prefecture (July)

Myoko

In July Myoko generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 19°C (66°F) and heavy monthly rainfall. So on average the conditions are poor that month.

June
July
August
Max temperature
24°C (75°F)
27°C (81°F)
29°C (84°F)
Min temperature
15°C (59°F)
19°C (66°F)
20°C (68°F)
Monthly sun hours
165 hours
170 hours
206 hours
Monthly rainfall
208 mm (8.2 in)
284 mm (11 in)
218 mm (8.6 in)
Monthly rainy days
20 days
21 days
19 days
Weather conditions

Niigata

In July Niigata generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 23°C (73°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

June
July
August
Max temperature
24°C (75°F)
28°C (82°F)
30°C (86°F)
Min temperature
18°C (64°F)
23°C (73°F)
24°C (75°F)
Monthly sun hours
181 hours
165 hours
209 hours
Monthly rainfall
140 mm (5.5 in)
234 mm (9.2 in)
168 mm (6.6 in)
Monthly rainy days
17 days
18 days
16 days
Weather conditions

Shinano

In July Shinano generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 19°C (66°F) and heavy monthly rainfall. So on average the conditions are poor that month.

June
July
August
Max temperature
24°C (75°F)
27°C (81°F)
29°C (84°F)
Min temperature
14°C (57°F)
19°C (66°F)
20°C (68°F)
Monthly sun hours
165 hours
170 hours
206 hours
Monthly rainfall
218 mm (8.6 in)
286 mm (11 in)
213 mm (8.4 in)
Monthly rainy days
20 days
21 days
19 days
Weather conditions

Sado

In July Sado generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 22°C (72°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

June
July
August
Max temperature
24°C (75°F)
28°C (82°F)
30°C (86°F)
Min temperature
18°C (64°F)
22°C (72°F)
24°C (75°F)
Monthly sun hours
181 hours
165 hours
209 hours
Monthly rainfall
134 mm (5.3 in)
207 mm (8.1 in)
151 mm (5.9 in)
Monthly rainy days
17 days
18 days
16 days
Weather conditions

Yuzawa

In July Yuzawa generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 18°C (64°F) and heavy monthly rainfall. So on average the conditions are poor that month.

June
July
August
Max temperature
22°C (72°F)
26°C (79°F)
27°C (81°F)
Min temperature
14°C (57°F)
18°C (64°F)
19°C (66°F)
Monthly sun hours
133 hours
175 hours
207 hours
Monthly rainfall
209 mm (8.2 in)
277 mm (11 in)
210 mm (8.3 in)
Monthly rainy days
21 days
23 days
21 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Niigata Prefecture, in Japan.

In our records: Japan July extremes

Notable July records observed across cities in Japan in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest July day in Japan reached 42°C (108°F) in Okayama on July 15, 1988.
  • From our sources, the wettest July day in Japan brought 312 mm (12 in) in Wakayama on July 6, 2018.

Popular cities in July

Day & night temperatures, rainfall and average weather in Niigata Prefecture in July.

City Weather Day temp Night temp Rainfall
Myoko 27°C (81°F) 19°C (66°F) 284 mm (11 in)
Niigata 28°C (82°F) 23°C (73°F) 234 mm (9.2 in)
Shinano 27°C (81°F) 19°C (66°F) 286 mm (11 in)
Sado 28°C (82°F) 22°C (72°F) 207 mm (8.1 in)
Yuzawa 26°C (79°F) 18°C (64°F) 277 mm (11 in)
Minami Uonuma 28°C (82°F) 19°C (66°F) 262 mm (10 in)

Niigata Prefecture weather in July: frequently asked questions

What is the weather like in Niigata Prefecture, Japan in July?

In July, Niigata Prefecture, Japan generally has poor weather conditions. Myoko sees daytime temperatures near 27°C (81°F), with nights cooling to roughly 19°C (66°F).

What is the average temperature in Niigata Prefecture, Japan in July?

Daytime temperatures in Myoko peak at roughly 27°C (81°F) in July, dropping to about 19°C (66°F) overnight.

Does Niigata Prefecture, Japan get a lot of rain in July?

Expect plenty of rainfall. Myoko records an average of 284 mm (11 in) in July, putting it among the wetter months for Niigata Prefecture, Japan.

Is July a Good Time to Visit Niigata Prefecture, Japan?

In our view, July might not be the best time to travel to Niigata Prefecture, Japan with often poor weather in Myoko.

Generally speaking, May provides pleasant weather in Myoko. On the other hand, the weather in January, February, March, July, November and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in Niigata Prefecture.

Weather and climate has detailed information for every country in the world. Are you going to Japan? Get detailed historical weather averages for many cities in Japan.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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