Nagano Prefecture

Nagano Prefecture Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in Nagano Prefecture, Japan in May.

Planning a getaway to Nagano Prefecture, Japan this May and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Nagano Prefecture in May

Nagano Prefecture, Japan is a region in Japan. May in Nagano Prefecture generally has temperatures that range from mild to pleasant, with precipitation levels ranging from high to heavy.

Temperatures

During the day temperatures vary from mild in Omachi at 18°C (64°F) to pleasant in Ueda at 21°C (70°F). At night it cools down to 10°C (50°F) in Ueda and 7°C (45°F) in Omachi.

For a closer look at conditions across Nagano Prefecture, Japan, refer to the map below.

Precipitation

In May, precipitation varies across different areas. From high rainfall in Tateshina with an average of 119 mm (4.7 in) to heavy rainfall in Omachi with 221 mm (8.7 in).

Average sunshine

Sunshine amounts are decent in most places. Hakuba gets approximately 177 hours of sunlight in May, offering a reasonable amount of both bright and cloudy periods. Curious about sunnier destinations? Our weather planner makes it easy to find places worldwide with pleasant weather.

Explore Nagano Prefecture by month

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

Best Places to Visit in Nagano Prefecture in May

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

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

Temperature range in Nagano Prefecture (May)

Precipitation variation in Nagano Prefecture (May)

Hakuba

In May Hakuba generally has pleasant temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 8°C (46°F) and heavy monthly rainfall. So on average the conditions are poor that month.

May
April
May
June
Max temperature
11°C (52°F)
18°C (64°F)
22°C (72°F)
Min temperature
1°C (34°F)
8°C (46°F)
13°C (55°F)
Monthly sun hours
177 hours
177 hours
135 hours
Monthly rainfall
187 mm (7.4 in)
214 mm (8.4 in)
320 mm (13 in)
Monthly rainy days
17 days
17 days
20 days
Weather conditions

Yamanouchi

In May Yamanouchi generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 9°C (48°F) and high monthly rainfall. So on average the conditions are pleasant that month.

May
April
May
June
Max temperature
13°C (55°F)
20°C (68°F)
23°C (73°F)
Min temperature
2°C (36°F)
9°C (48°F)
14°C (57°F)
Monthly sun hours
198 hours
209 hours
165 hours
Monthly rainfall
116 mm (4.6 in)
139 mm (5.5 in)
193 mm (7.6 in)
Monthly rainy days
17 days
17 days
21 days
Weather conditions

Matsumoto

In May Matsumoto generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 9°C (48°F) and heavy monthly rainfall. So on average the conditions are pleasant that month.

May
April
May
June
Max temperature
14°C (57°F)
20°C (68°F)
23°C (73°F)
Min temperature
2°C (36°F)
9°C (48°F)
13°C (55°F)
Monthly sun hours
198 hours
209 hours
165 hours
Monthly rainfall
152 mm (6 in)
166 mm (6.5 in)
248 mm (9.8 in)
Monthly rainy days
16 days
16 days
20 days
Weather conditions

Nozawa Onsen

In May Nozawa Onsen generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 10°C (50°F) and high monthly rainfall. So on average the conditions are pleasant that month.

May
April
May
June
Max temperature
14°C (57°F)
21°C (70°F)
24°C (75°F)
Min temperature
3°C (37°F)
10°C (50°F)
15°C (59°F)
Monthly sun hours
182 hours
198 hours
151 hours
Monthly rainfall
128 mm (5 in)
145 mm (5.7 in)
194 mm (7.6 in)
Monthly rainy days
17 days
17 days
20 days
Weather conditions

Karuizawa

In May Karuizawa generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 10°C (50°F) and high monthly rainfall. So on average the conditions are pleasant that month.

May
April
May
June
Max temperature
15°C (59°F)
20°C (68°F)
23°C (73°F)
Min temperature
4°C (39°F)
10°C (50°F)
14°C (57°F)
Monthly sun hours
198 hours
209 hours
165 hours
Monthly rainfall
122 mm (4.8 in)
154 mm (6.1 in)
236 mm (9.3 in)
Monthly rainy days
16 days
16 days
21 days
Weather conditions

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

Popular cities in May

Day & night temperatures, rainfall and average weather in Nagano Prefecture in May.

City Weather Day temp Night temp Rainfall
Hakuba 18°C (64°F) 8°C (46°F) 214 mm (8.4 in)
Yamanouchi 20°C (68°F) 9°C (48°F) 139 mm (5.5 in)
Matsumoto 20°C (68°F) 9°C (48°F) 166 mm (6.5 in)
Nozawa Onsen 21°C (70°F) 10°C (50°F) 145 mm (5.7 in)
Karuizawa 20°C (68°F) 10°C (50°F) 154 mm (6.1 in)
Otari 19°C (66°F) 9°C (48°F) 203 mm (8 in)

Nagano Prefecture weather in May: frequently asked questions

What is the weather like in Nagano Prefecture, Japan in May?

Nagano Prefecture, Japan typically experiences poor weather in May, part of the season. Daytime highs in Hakuba average around 18°C (64°F), and temperatures drop to about 8°C (46°F) at night.

What is the average temperature in Nagano Prefecture, Japan in May?

In Hakuba, the average daytime high in May is 18°C (64°F), while nighttime temperatures drop to around 8°C (46°F).

Does Nagano Prefecture, Japan get a lot of rain in May?

Expect plenty of rainfall. Hakuba records an average of 214 mm (8.4 in) in May, putting it among the wetter months for Nagano Prefecture, Japan.

Is May a Good Time to Visit Nagano Prefecture, Japan?

In our opinion, May may not be the ideal time to visit Nagano Prefecture, Japan due to the typically poor weather in Hakuba.

Generally speaking, the best visiting conditions can be found in offering mostly poor weather in Hakuba.

Interested in more climate information?

We have much more information about the climate in Nagano 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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