Niigata Prefecture Weather in August

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

Are you planning a trip a to Niigata Prefecture, Japan in August and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Niigata Prefecture in August

Niigata Prefecture, Japan is a region in Japan. August in Niigata Prefecture generally has temperatures that range from warm to very warm, with precipitation levels ranging from high to heavy. It's the height of summer.

Temperatures

The average maximum daytime temperatures vary from warm in Yuzawa at 27°C (81°F) to very warm in Nagaoka at 32°C (90°F). Nighttime temperatures generally drop to 22°C (72°F) in Nagaoka and 19°C (66°F) in Yuzawa. In Niigata Prefecture, Japan, August typically stands out as the hottest month of the year. If you're planning a visit during this time, it would be wise to come prepared. Packing light and breathable summer cloths will ensure you stay comfortable throughout your stay.

To learn more about the conditions in specific areas of Niigata Prefecture, Japan, check out the map below.

Precipitation

In August, precipitation varies across different areas. From high rainfall in Sado with an average of 151 mm (5.9 in) to heavy rainfall in Itoigawa with 233 mm (9.2 in).

Average sunshine

Many locations offer abundant sunshine during this month. For instance, Myoko enjoys approximately 206 hours of sunlight, ideal for those seeking sunny weather.

Explore Niigata Prefecture by month

Best Places to Visit in Niigata Prefecture in August

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 August for some of the most popular destinations in Niigata Prefecture, Japan?

Temperature range in Niigata Prefecture (August)

Precipitation variation in Niigata Prefecture (August)

Myoko

In August Myoko generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 20°C (68°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

July
August
September
Max temperature
27°C (81°F)
29°C (84°F)
25°C (77°F)
Min temperature
19°C (66°F)
20°C (68°F)
16°C (61°F)
Monthly sun hours
170 hours
206 hours
142 hours
Monthly rainfall
284 mm (11 in)
218 mm (8.6 in)
237 mm (9.3 in)
Monthly rainy days
21 days
19 days
20 days
Weather conditions

Niigata

In August Niigata generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

July
August
September
Max temperature
28°C (82°F)
30°C (86°F)
27°C (81°F)
Min temperature
23°C (73°F)
24°C (75°F)
20°C (68°F)
Monthly sun hours
165 hours
209 hours
155 hours
Monthly rainfall
234 mm (9.2 in)
168 mm (6.6 in)
157 mm (6.2 in)
Monthly rainy days
18 days
16 days
19 days
Weather conditions

Shinano

In August Shinano generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 20°C (68°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

July
August
September
Max temperature
27°C (81°F)
29°C (84°F)
24°C (75°F)
Min temperature
19°C (66°F)
20°C (68°F)
16°C (61°F)
Monthly sun hours
170 hours
206 hours
142 hours
Monthly rainfall
286 mm (11 in)
213 mm (8.4 in)
232 mm (9.1 in)
Monthly rainy days
21 days
19 days
20 days
Weather conditions

Sado

In August Sado generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 24°C (75°F) and high monthly rainfall. So on average the conditions are tolerable that month.

July
August
September
Max temperature
28°C (82°F)
30°C (86°F)
26°C (79°F)
Min temperature
22°C (72°F)
24°C (75°F)
21°C (70°F)
Monthly sun hours
165 hours
209 hours
155 hours
Monthly rainfall
207 mm (8.1 in)
151 mm (5.9 in)
153 mm (6 in)
Monthly rainy days
18 days
16 days
19 days
Weather conditions

Yuzawa

In August Yuzawa 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 unpleasant that month.

July
August
September
Max temperature
26°C (79°F)
27°C (81°F)
23°C (73°F)
Min temperature
18°C (64°F)
19°C (66°F)
15°C (59°F)
Monthly sun hours
175 hours
207 hours
163 hours
Monthly rainfall
277 mm (11 in)
210 mm (8.3 in)
218 mm (8.6 in)
Monthly rainy days
23 days
21 days
21 days
Weather conditions

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

Popular cities in August

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

City Weather Day temp Night temp Rainfall
Myoko 29°C (84°F) 20°C (68°F) 218 mm (8.6 in)
Niigata 30°C (86°F) 24°C (75°F) 168 mm (6.6 in)
Shinano 29°C (84°F) 20°C (68°F) 213 mm (8.4 in)
Sado 30°C (86°F) 24°C (75°F) 151 mm (5.9 in)
Yuzawa 27°C (81°F) 19°C (66°F) 210 mm (8.3 in)
Minami Uonuma 29°C (84°F) 20°C (68°F) 189 mm (7.4 in)

Niigata Prefecture weather in August: frequently asked questions

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

Expect unpleasant weather across Niigata Prefecture, Japan in August. The popular destination of Myoko averages 29°C (84°F) by day and 20°C (68°F) at night during this summer month.

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

Average temperatures in Niigata Prefecture, Japan during August range from a nighttime low near 20°C (68°F) to a daytime high around 29°C (84°F) in Myoko.

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

Expect plenty of rainfall. Myoko records an average of 218 mm (8.6 in) in August, putting it among the wetter months for Niigata Prefecture, Japan.

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

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

Generally speaking, the best visiting conditions can be found in May offering mostly pleasant weather in Myoko. In contrast, January, February, March, July, November and December tend to have poor weather conditions.

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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