Karuizawa weather in May 2025

The temperatures in Karuizawa in May are quite cold with temperatures between 7°C and 18°C, warm clothes are a must.

You can expect about 3 to 8 days of rain in Karuizawa during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Our weather forecast can give you a great sense of what weather to expect in Karuizawa in May 2025.

If you’re planning to visit Karuizawa in the near future, we highly recommend that you review the 14 day weather forecast for Karuizawa before you arrive.

Temperatures

18° / 7°

Rainy Days

Snowy Days

Dry Days

Rainfall

138

Sun Hours

6.1

Hrs

Sun	Mon	Tue	Wed	Thu	Fri	Sat
				1 15° /6°	2 16° /7°	3 18° /6°
4 23° /8°	5 25° /10°	6 20° /13°	7 20° /12°	8 13° /7°	9 17° /6°	10 20° /4°
11 23° /10°	12 21° /9°	13 22° /12°	14 17° /9°	15 17° /9°	16 22° /10°	17 23° /10°
18 26° /8°	19 21° /9°	20 22° /11°	21 20° /9°	22 20° /9°	23 20° /10°	24 21° /8°
25 22° /7°	26 23° /8°	27 21° /12°	28 16° /11°	29 19° /11°	30 22° /9°	31 18° /8°

Explore the weather in Karuizawa in other months

Karuizawa annual weather

Month	Temperatures	Rainy Days	Dry Days	Snowy Days	Rainfall	Weather	More details
January	-3° / -9°	10	1	27	126 mm	Awful	Karuizawa in January
February	-1° / -9°	10	1	22	106 mm	Awful	Karuizawa in February
March	3° / -4°	12	5	15	161 mm	Awful	Karuizawa in March
April	11° / 1°	9	19	3	153 mm	Awful	Karuizawa in April
May	18° / 7°	7	24	0	138 mm	Ok	Karuizawa in May
June	22° / 11°	8	22	0	166 mm	Ok	Karuizawa in June
July	26° / 16°	12	19	0	263 mm	Good	Karuizawa in July
August	26° / 16°	10	21	0	241 mm	Good	Karuizawa in August
September	21° / 12°	7	23	0	181 mm	Ok	Karuizawa in September
October	14° / 6°	6	25	0	200 mm	Good	Karuizawa in October
November	8° / 1°	8	17	5	120 mm	Awful	Karuizawa in November
December	0° / -5°	11	2	20	145 mm	Awful	Karuizawa in December

Temperatures in Karuizawa in May

Rain in Karuizawa in May

Weather in Karuizawa in May - FAQ

What is the average temperature in Karuizawa in May?

The average temperature in Karuizawa in May is 7/18° C.

What is the chance of rain in Karuizawa in May?

On average, there are 7 rainy days in Karuizawa during May.

Weather wise, is May a good time to visit Karuizawa?

The weather in Karuizawa in May is ok.

Can it snow in Karuizawa in May?

On average, there are 0 snowy days in Karuizawa in May.

More about the weather in Karuizawa