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Red vertical louvered facade of the Nebuta no ie Wa-Rasse museum lit up at dusk in Aomori

Photo: Nebuta house Wa-Ratsuse , ねぶたの家 ワ・ラッセ - panoramio.jpg by z tanuki (CC BY 3.0, cropped), via Wikimedia Commons.

Aomori in April: weather, what to wear and what's on

In April, Aomori averages a high of 13.7°C (57°F) and a low of 4.1°C (39°F), with 68.7 mm of rain or snow on about 10.6 days (JMA, 1991–2020). It is Aomori's driest month.

Aomori weather in April

Averages for 1991–2020 at the JMA's Aomori station (3 m above sea level).

High
13.7°C (57°F)
Low
4.1°C (39°F)
Precipitation
68.7 mm
Wet days
10.6 days
Sunshine
179 hours
Snow on ground
2.0 days
  • Highs rise 6.9°C from March and climb another 5.1°C into May.
  • That is 1.2°C below Aomori's yearly average high of 14.9°C.
  • Of our 34 places with temperature records, Aomori is the 5th coldest in April: 0.6°C cooler than Karuizawa and 0.7°C warmer than Nasu.
  • Of our 35 places, Aomori has the 3rd lowest precipitation in April: 3.2 mm less than Hakodate and 11.8 mm more than Nagano.
  • Rain or snow of 1 mm or more falls on 10.6 days, and 10 mm or more on 2.2 days.
  • The temperature drops below 0°C on 2.0 nights.
  • 4 cm of snow falls in an average April; snow lies on the ground on 2.0 days.
  • The sun is out for 40% or more of the possible hours on 16.8 days, and 3.1 days have under 0.1 hours of sunshine.
  • On 15 April 2027 the sun rises at 4:59 and sets at 18:16 in Aomori, giving 13 hours 17 minutes of daylight (NAOJ).
Average temperature
8.5°C (47°F)
Humidity
65%
Days of 25°C or more
0.5 days
Deepest snow (average of each year's deepest)
9 cm

Early, mid and late April

Aomori in April by ten-day period: averages for 1991–2020 (JMA)
DaysHighLowPrecipitation
1–10 April11.4°C2.2°C22.3 mm
11–20 April13.7°C4.0°C22.1 mm
21–30 April15.9°C6.0°C24.3 mm

By the last ten days of April the average high in Aomori is 4.5°C higher than in the first ten.

What to wear in Aomori in April

Chilly: highs around 13.7°C

  • A warm jacket or light coat over a sweater.
  • Gloves and a hat for mornings and nights: the temperature drops below 0°C on 2.0 nights.
  • Layers you can take off: afternoons are 9.6°C warmer than early mornings on average.
  • An umbrella: rain or snow falls on 10.6 days.

Shoes

  • Shoes with good grip: snow or sleet falls on 5.7 days.

Pack

  • Umbrella
  • Gloves and a warm hat

Flowers and autumn colour in Aomori in April

Plum blossom

The JMA's sample plum tree in Aomori opens around 19 April in an average year (1991–2020). In 2026: 9 April.

Cherry blossom

The JMA's sample cherry tree in Aomori opens around 22 April and is in full bloom around 26 April in an average year (1991–2020). In 2026 it opened on 13 April and was in full bloom on 16 April.

Dates are for one sample tree at or near the JMA observatory, not for every park in the city.

Holidays and crowds in April

National holidays in April 2027:

  • Thu 29 April — Showa Day

In April 2025, hotels and inns across Aomori Prefecture were 56.4% full on average (8th busiest of 12 months). Foreign guests spent 56,130 nights there that month (Japan Tourism Agency). That compares with 49.2% in March and 62.1% in May.

Frequently asked questions

What is the weather like in Aomori in April?

The average high is 13.7°C (57°F) and the average low 4.1°C (39°F). 68.7 mm of rain or snow falls on about 10.6 days (JMA, 1991–2020).

What should I wear in Aomori in April?

A warm jacket or light coat over a sweater. Gloves and a hat for mornings and nights: the temperature drops below 0°C on 2.0 nights. Layers you can take off: afternoons are 9.6°C warmer than early mornings on average. An umbrella: rain or snow falls on 10.6 days.

Does it snow in Aomori in April?

Yes. 4 cm of snow falls in an average April, and snow lies on the ground on 2.0 days (JMA, 1991–2020).

Is Aomori busy in April?

In April 2025, hotels and inns across Aomori Prefecture were 56.4% full on average (8th busiest of 12 months). Foreign guests spent 56,130 nights there that month (Japan Tourism Agency).

What are the record temperatures for April in Aomori?

The highest temperature the JMA has recorded in Aomori in April is 28.3°C (83°F), on 21 April 1998. The lowest is −12.2°C (10°F), on 1 April 1934.

What events are on in Aomori in April?

Yunoshima Katakuri Festival: Late March to mid-April. Aomori Spring Festival: Mid to late April (2026: 18 to 29 April).

When do plum trees bloom in Aomori?

The JMA's sample plum tree in Aomori opens around 19 April in an average year (1991–2020). In 2026: 9 April.

April records in Aomori

The extremes the JMA has measured in April at its Aomori station.

Hottest April day
28.3°C (83°F) on 21 April 1998 (records since 1882)
Coldest April night
−12.2°C (10°F) on 1 April 1934 (records since 1882)
Wettest April day
82.4 mm on 5 April 1911 (records since 1882)
Deepest April snow
113 cm on 1 April 1984 (records since 1894)
Most snow in one April day
13 cm on 12 April 1996 (records since 1953); also on 20 April 1968

What's on in Aomori in April

Events in Aomori in April: dates from each organizer's official page
EventWhenWhere and what
Yunoshima Katakuri Festival湯の島かたくり祭りLate March to mid-April. 28 March – 12 April 2026.Asamushi Onsen, Aomori City. Festival for the katakuri (dogtooth violet) flowers at Asamushi Onsen. Official page
Aomori Spring Festival青森春まつりMid to late April (2026: 18 to 29 April)Gappo Park and Nogiwa Park, Aomori City. Cherry blossom lantern lighting (15-29 April, 18:00-21:30 at Gappo Park) and food stalls. Official page

Aomori before and after April

Aomori: March, April and May (JMA, 1991–2020)
MonthHighLowPrecipitationWet days
March6.8°C (−6.9°C)−0.8°C (−4.9°C)75.2 mm (+6.5 mm)14.1 days (+3.5 days)
April13.7°C4.1°C68.7 mm10.6 days
May18.8°C (+5.1°C)9.4°C (+5.3°C)76.7 mm (+8.0 mm)9.6 days (−1.0 days)

Other places in April

April: Aomori against five other places (JMA, 1991–2020)
PlaceHighAgainst AomoriWet daysAgainst Aomori
Hakodate12.0°C−1.7°C9.5 days−1.1 days
Sapporo11.7°C−2.0°C9.6 days−1.0 days
Sendai15.5°C+1.8°C7.7 days−2.9 days
Niigata16.1°C+2.4°C11.5 days+0.9 days
NasuNasu Kogen13.0°C−0.7°C11.3 days+0.7 days

Read more

Sources for this page

Show all 13
  1. Normals for 1991–2020: Aomori (青森), month by month (平年値 年・月ごとの値)Japan Meteorological Agency (JMA)
  2. Normals for 1991–2020: Aomori (青森), rain days, temperature days and snow (詳細)Japan Meteorological Agency (JMA)
  3. Ten-day normals for 1991–2020: Aomori (青森) (平年値 旬ごとの値)Japan Meteorological Agency (JMA)
  4. Records for April: Aomori (青森) (観測史上1〜10位の値)Japan Meteorological Agency (JMA)
  5. Sunrise and sunset by prefectural capital (各地のこよみ)National Astronomical Observatory of Japan (NAOJ)
  6. Plum blossom opening dates, 2025–2026 (うめの開花日)Japan Meteorological Agency (JMA)
  7. Yearly records of flowering and leaf colour since 1953 (生物季節観測累年値)Japan Meteorological Agency (JMA)
  8. Cherry blossom opening dates, 2021–2026 (さくらの開花日)Japan Meteorological Agency (JMA)
  9. Cherry blossom full-bloom dates, 2021–2026 (さくらの満開日)Japan Meteorological Agency (JMA)
  10. National holidays (国民の祝日について)Cabinet Office
  11. Overnight Travel Statistics Survey, 2025 final figures (宿泊旅行統計調査 2025年 年の確定値)Japan Tourism Agency
  12. Yunoshima Katakuri Festival (湯の島かたくり祭り)Aomori City
  13. Aomori Spring Festival (青森春まつり)Aomori City