Nagano Prefecture

Nagano Prefecture Weather in April

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

Planning a getaway to Nagano Prefecture, Japan this April 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 April

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

Temperatures

During the day temperatures vary from cold in Omachi at 11°C (52°F) to mild in Ueda at 16°C (61°F). At night it cools down to 3°C (37°F) in Ueda and 1°C (34°F) in Omachi.

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

Precipitation

In April, precipitation varies across different areas. From high rainfall in Komoro with an average of 110 mm (4.3 in) to heavy rainfall in Omachi with 191 mm (7.5 in). Going by our weather data, this month in Hakuba usually has the least rain, making it the driest month of the year.

Average sunshine

Sunshine is moderately available across various locations. In Hakuba, you can expect around 177 hours of sunlight in April, which gives a pleasant combination of sun and shade. For those who want maximum sunshine, our weather planner can point you toward the sunniest places on Earth.

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 April

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 April for some of the most popular destinations in Nagano Prefecture, Japan?

Temperature range in Nagano Prefecture (April)

Precipitation variation in Nagano Prefecture (April)

Hakuba

In April Hakuba generally has low temperatures with maximum daytime temperatures around 11°C (52°F), minimum nighttime temperatures around 1°C (34°F) and heavy monthly rainfall. So on average the conditions are poor that month.

March
April
May
Max temperature
5°C (41°F)
11°C (52°F)
18°C (64°F)
Min temperature
-4°C (25°F)
1°C (34°F)
8°C (46°F)
Monthly sun hours
145 hours
177 hours
177 hours
Monthly rainfall
209 mm (8.2 in)
187 mm (7.4 in)
214 mm (8.4 in)
Monthly rainy days
22 days
17 days
17 days
Weather conditions

Yamanouchi

In April Yamanouchi generally has moderate temperatures with maximum daytime temperatures around 13°C (55°F), minimum nighttime temperatures around 2°C (36°F) and high monthly rainfall. So on average the conditions are poor that month.

March
April
May
Max temperature
7°C (45°F)
13°C (55°F)
20°C (68°F)
Min temperature
-3°C (27°F)
2°C (36°F)
9°C (48°F)
Monthly sun hours
170 hours
198 hours
209 hours
Monthly rainfall
131 mm (5.2 in)
116 mm (4.6 in)
139 mm (5.5 in)
Monthly rainy days
22 days
17 days
17 days
Weather conditions

Matsumoto

In April Matsumoto generally has moderate temperatures with maximum daytime temperatures around 14°C (57°F), minimum nighttime temperatures around 2°C (36°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

March
April
May
Max temperature
8°C (46°F)
14°C (57°F)
20°C (68°F)
Min temperature
-3°C (27°F)
2°C (36°F)
9°C (48°F)
Monthly sun hours
170 hours
198 hours
209 hours
Monthly rainfall
161 mm (6.3 in)
152 mm (6 in)
166 mm (6.5 in)
Monthly rainy days
18 days
16 days
16 days
Weather conditions

Nozawa Onsen

In April Nozawa Onsen generally has moderate temperatures with maximum daytime temperatures around 14°C (57°F), minimum nighttime temperatures around 3°C (37°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

March
April
May
Max temperature
7°C (45°F)
14°C (57°F)
21°C (70°F)
Min temperature
-2°C (28°F)
3°C (37°F)
10°C (50°F)
Monthly sun hours
124 hours
182 hours
198 hours
Monthly rainfall
156 mm (6.1 in)
128 mm (5 in)
145 mm (5.7 in)
Monthly rainy days
22 days
17 days
17 days
Weather conditions

Karuizawa

In April Karuizawa generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 4°C (39°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

March
April
May
Max temperature
9°C (48°F)
15°C (59°F)
20°C (68°F)
Min temperature
-2°C (28°F)
4°C (39°F)
10°C (50°F)
Monthly sun hours
170 hours
198 hours
209 hours
Monthly rainfall
111 mm (4.4 in)
122 mm (4.8 in)
154 mm (6.1 in)
Monthly rainy days
18 days
16 days
16 days
Weather conditions

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

Popular cities in April

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

City Weather Day temp Night temp Rainfall
Hakuba 11°C (52°F) 1°C (34°F) 187 mm (7.4 in)
Yamanouchi 13°C (55°F) 2°C (36°F) 116 mm (4.6 in)
Matsumoto 14°C (57°F) 2°C (36°F) 152 mm (6 in)
Nozawa Onsen 14°C (57°F) 3°C (37°F) 128 mm (5 in)
Karuizawa 15°C (59°F) 4°C (39°F) 122 mm (4.8 in)
Otari 12°C (54°F) 2°C (36°F) 178 mm (7 in)

Nagano Prefecture weather in April: frequently asked questions

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

Nagano Prefecture, Japan typically experiences poor weather in April, part of the season. Daytime highs in Hakuba average around 11°C (52°F), and temperatures drop to about 1°C (34°F) at night.

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

Average temperatures in Nagano Prefecture, Japan during April range from a nighttime low near 1°C (34°F) to a daytime high around 11°C (52°F) in Hakuba.

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

Rainfall in Nagano Prefecture, Japan peaks during April. Hakuba averages roughly 187 mm (7.4 in), so frequent and sometimes heavy showers are the norm.

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

In our opinion, April 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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