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Aomori climate data

Aomori, at the northern tip of Honshu, features a humid continental climate with cold, snowy winters and warm, rainy summers. The city is famous for its heavy snowfall, vibrant cherry blossoms in spring, and lively summer festivals. Seasonal contrasts, lush landscapes, and abundant precipitation make Aomori a dynamic year-round destination.

Best times to travel

The best times to travel section shows how the months compare for a visit, so you can find the time of year that fits what you want to do.

Background colors of the months:
The color shows the typical temperature: yellow (hot), green (mild) and blue (cold). How strong the color is shows the travel season: full color means high season, soft color means shoulder season and soft-striped means off season.

Weather symbols:
Each month has one symbol showing what the weather is typically like, such as hot and sunny, freezing or a rainy or snowy season. Use them to quickly spot months that match the weather you want, or to avoid the ones that don't.

Crowdedness:
The people icon shows how busy the place usually is. The more people, the more crowded it gets.

Additional notes:
The gray info boxes point out special things worth knowing, like recurring weather issues or seasonal events.

for Aomori, Japan
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High season: Aug., Oct.
Shoulder season: Jan. - Feb., April - July, Sep.
Crowdedness: 4 (Moderate tourist numbers)
Tap on a month for more info Hover over a month for more info
Nebuta Festival August 2 to 7, hotels book out months ahead
Hakkoda snow monsters best late January to February; some mountain roads close in winter

The climate of Aomori

Aomori’s climate is shaped by its northern location and proximity to both the Sea of Japan and Pacific Ocean. Winters (December–March) are long, cold, and snowy, with average highs around 0–3°C and lows near -4°C. Snowfall is exceptionally heavy – over 500 cm per year – making Aomori one of the snowiest lowland cities in the world. January and February are the coldest and snowiest months, with frequent subzero temperatures and thick snow cover, ideal for winter sports and magical landscapes. Despite the snow, daytime temperatures often rise above freezing, and rain can mix with snow during milder spells.

Summers (June–September) are warm, humid, and rainy, with average highs of 22–27°C and lows of 16–21°C. July and August are the warmest and wettest months, with frequent rain showers and occasional typhoons, though these are less intense than in southern Japan. The Yamase wind can sometimes bring cool, foggy weather in summer, especially to the Pacific side. Spring (April–May) and autumn (September–November) are transitional, with mild to warm temperatures (10–18°C), moderate rainfall, and stunning seasonal colors – cherry blossoms in late April to early May and vibrant foliage in October. Annual precipitation is high (1,300–1,400 mm), and sunshine is most abundant in spring and early summer, with daylight lasting up to 15 hours in June.

Average climate data for Aomori, Japan
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Average maximum temperature (°F) 32 34 41 53 64 70 77 80 72 61 50 38 80
Average minimum temperature (°F) 21 21 26 36 45 53 63 66 55 45 34 27 21
Average precipitation (inch) 6 4 3 3 3 4 5 6 6 4 5 6 54
Average rainfall days (days) 30 26 25 17 18 17 18 18 19 20 24 29 261
Average water temperature (°F) 50 47 46 49 53 61 69 75 73 66 60 54 59
Average daily daylight hours (h) 9 10 11 13 14 15 14 13 12 11 9 9 12
Average daily sunshine hours (h) 2 3 5 6 7 6 5 6 5 5 3 2 5
Average UV index 1 2 4 6 7 8 9 8 7 4 2 1 5

Travel info

  • Spring (April–May): Mild, with highs from 10°C to 18°C. Cherry blossoms bloom late April to early May. Pack layers and a rain jacket for cool mornings and occasional showers.
  • Summer (June–August): Warm, humid, and rainy, with highs of 22–27°C. July and August are wettest, with chance of typhoons. Bring light clothing, sun protection, and an umbrella.
  • Autumn (September–November): Mild to cool, with highs from 22°C in September to 10°C in November. Rain and wind increase; pack layers and rain gear. October is ideal for fall foliage.
  • Winter (December–March): Cold and snowy, with highs of 0–3°C and lows near -4°C. Snow is frequent and heavy. Bring insulated, waterproof clothing and winter accessories.
  • Rain falls year-round, with July–September being wettest and March driest.
  • Sunshine peaks in April–June (up to 6–7 hours/day); winter is much cloudier with only 2–3 hours/day.
  • Daylight ranges from 9 hours in winter to 15 hours in summer.
  • Winds are moderate, with the Yamase bringing cool, foggy weather in summer.
  • Sea temperatures are warmest in August (up to 22°C), but swimming is limited by cool air and frequent rain.

The best time to visit Aomori

The best time to visit Aomori is from late April to June and September to October, when temperatures are mild (15–22°C), rainfall is moderate, and the city is alive with cherry blossoms or autumn foliage. These periods offer comfortable weather for sightseeing, hiking, and enjoying local festivals with fewer crowds than peak summer.

The worst time to visit Aomori

The least favorable time is from December to February, when days are short, temperatures are cold (0 to -4°C), and snow is frequent and heavy. While winter is magical for snow lovers and winter sports, travel can be disrupted and outdoor sightseeing is limited by cold and snowstorms.

Frequently asked questions

What is the average temperature in Aomori throughout the year?

Aomori’s annual average temperature is about 10–11°C. January is the coldest month (highs 0°C, lows -4°C), while August is the warmest (highs 27°C, lows 21°C).

How much snow does Aomori get?

Aomori is one of the snowiest cities in the world, with over 500 cm of snow annually. Snow typically falls from November to March, peaking in January and February.

When is the cherry blossom season in Aomori?

Cherry blossoms in Aomori usually bloom from late April to early May. Hirosaki Park is especially famous for its spectacular cherry blossom displays during this period.

Does Aomori get a lot of rain?

Aomori receives 1,300–1,400 mm of precipitation per year, with July to September being the wettest months. Rain falls year-round, but March is typically the driest month.

When is the best time for outdoor activities in Aomori?

Late spring (May–June) and early autumn (September–October) are best for outdoor activities, with mild temperatures, moderate rainfall, and beautiful landscapes. Summer is lively but wetter and more humid.

Is Aomori suitable for winter sports?

Yes, Aomori is ideal for winter sports like skiing and snowshoeing from December to March, thanks to its heavy snowfall and reliable snow cover.

What should I pack for a trip to Aomori?

Pack layers for spring and autumn, light clothing and rain gear for summer, and insulated, waterproof clothing for winter. Winter boots and accessories are essential from December to March.

Minimum and maximum temperatures in Aomori

The warmest month, with the highest average maximum temperature, is August (80.5 °F). The month with the lowest average maximum temperature is January (31.8 °F). Overall, the average maximum temperature over the whole year is 56 °F.

The month with the highest average minimum temperature is August (66.2 °F). The coldest month, with the lowest average minimum temperature, is February (21 °F). Overall, the average minimum temperature over the whole year is 41 °F.

Water temperature in Aomori

The month with the highest average water temperature is August (74.6 °F). The month with the lowest average water temperature is March (46.4 °F). Overall, the average water temperature over the whole year is 58.6 °F.

Rainfall amount in Aomori

The wettest month, with the highest amount of precipitation, is August (5.9 inch). The driest month, with the least amount of precipitation, is April (3.1 inch). Over the whole year there are 54.2 inch of rainfall on average.

Rainfall days in Aomori

The month with the most days of rain is January (30 days). The month with the fewest days of rain is April (17 days). Over the whole year there are 260.7 days of rain on average.

Daylight hours and sunshine hours in Aomori

The month with the longest days, so the most daylight, is June (Average daylight: 15 h). The month with the shortest days, so the least daylight, is December (Average daylight: 9 h). Over the whole year there are 11.7 h of daylight per day on average.

The month with the most sunshine per day is May (Average sunshine: 7 h). The month with the least sunshine per day is December (Average sunshine: 2 h). Over the whole year there are 4.6 h of sunlight per day on average.

UV index in Aomori

The month with the highest average UV index is July (UV index: 9). The months with the lowest average UV index are January and December (UV index: 1). Over the whole year the average UV index is 4.9.

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