Gunma Weather in May

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

Thinking about venturing to Gunma, Japan this May and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Gunma in May

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

Temperatures

Based on our climate data spanning from 1990-2020, the average maximum temperature is pleasant in Katashina at 18°C (64°F) to warm in Ota at 24°C (75°F). Nighttime temperatures generally drop to 14°C (57°F) in Ota and 8°C (46°F) in Katashina.

To explore the conditions in Gunma, Japan in more detail, check the map below.

Precipitation

In May, precipitation varies across different areas. From high rainfall in Tsumagoi with an average of 133 mm (5.2 in) to heavy rainfall in Takasaki with 173 mm (6.8 in).

Average sunshine

Plenty of sunshine can be expected in numerous places in May. Minakami typically receives 196 hours of sunlight, making it ideal for those seeking sunny weather.

Explore Gunma by month

Best Places to Visit in Gunma in May

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

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 Gunma

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

Temperature range in Gunma (May)

Precipitation variation in Gunma (May)

Minakami

In May Minakami 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
14°C (57°F)
20°C (68°F)
22°C (72°F)
Min temperature
4°C (39°F)
10°C (50°F)
14°C (57°F)
Monthly sun hours
199 hours
196 hours
133 hours
Monthly rainfall
128 mm (5 in)
139 mm (5.5 in)
178 mm (7 in)
Monthly rainy days
17 days
17 days
21 days
Weather conditions

Kusatsu

In May Kusatsu 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
14°C (57°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
117 mm (4.6 in)
143 mm (5.6 in)
203 mm (8 in)
Monthly rainy days
17 days
17 days
21 days
Weather conditions

Shibukawa

In May Shibukawa generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 12°C (54°F) and high monthly rainfall. So on average the conditions are pleasant that month.

May
April
May
June
Max temperature
17°C (63°F)
21°C (70°F)
24°C (75°F)
Min temperature
6°C (43°F)
12°C (54°F)
16°C (61°F)
Monthly sun hours
199 hours
196 hours
133 hours
Monthly rainfall
133 mm (5.2 in)
146 mm (5.7 in)
192 mm (7.6 in)
Monthly rainy days
16 days
16 days
21 days
Weather conditions

Takasaki

In May Takasaki generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 13°C (55°F) and heavy monthly rainfall. So on average the conditions are pleasant that month.

May
April
May
June
Max temperature
18°C (64°F)
23°C (73°F)
25°C (77°F)
Min temperature
7°C (45°F)
13°C (55°F)
17°C (63°F)
Monthly sun hours
199 hours
196 hours
133 hours
Monthly rainfall
151 mm (5.9 in)
173 mm (6.8 in)
239 mm (9.4 in)
Monthly rainy days
16 days
16 days
21 days
Weather conditions

Tsumagoi

In May Tsumagoi 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
14°C (57°F)
20°C (68°F)
23°C (73°F)
Min temperature
3°C (37°F)
9°C (48°F)
14°C (57°F)
Monthly sun hours
198 hours
209 hours
165 hours
Monthly rainfall
110 mm (4.3 in)
133 mm (5.2 in)
188 mm (7.4 in)
Monthly rainy days
17 days
17 days
21 days
Weather conditions

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

Popular cities in May

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

City Weather Day temp Night temp Rainfall
Minakami 20°C (68°F) 10°C (50°F) 139 mm (5.5 in)
Kusatsu 20°C (68°F) 9°C (48°F) 143 mm (5.6 in)
Shibukawa 21°C (70°F) 12°C (54°F) 146 mm (5.7 in)
Takasaki 23°C (73°F) 13°C (55°F) 173 mm (6.8 in)
Tsumagoi 20°C (68°F) 9°C (48°F) 133 mm (5.2 in)
Nakanojo 20°C (68°F) 10°C (50°F) 156 mm (6.1 in)

Gunma weather in May: frequently asked questions

What is the weather like in Gunma, Japan in May?

In May, Gunma, Japan generally has pleasant weather conditions. Minakami sees daytime temperatures near 20°C (68°F), with nights cooling to roughly 10°C (50°F).

What is the average temperature in Gunma, Japan in May?

In Minakami, the average daytime high in May is 20°C (68°F), while nighttime temperatures drop to around 10°C (50°F).

Does Gunma, Japan get a lot of rain in May?

Minakami typically receives notable rainfall in May, about 139 mm (5.5 in) on average across Gunma, Japan.

Is May a Good Time to Visit Gunma, Japan?

We consider May to be one of the best times to travel to Gunma, Japan. Typically, the climate in Minakami is pleasant. However, the weather conditions may vary depending on your destination.

Generally speaking, the best visiting conditions can be found in May, June and August offering mostly pleasant weather in Minakami. The weather in January, February, March and December, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Gunma.

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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