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

Averages for 1991–2020 at the JMA's Sendai station (39 m above sea level).

High

15.5°C (60°F)

Low

6.3°C (43°F)

Precipitation

90.2 mm

Wet days

7.7 days

Sunshine

194 hours

• Highs rise 5.5°C from March and climb another 4.7°C into May.
• That is 1.4°C below Sendai's yearly average high of 16.9°C.
• Of our 34 places with temperature records, Sendai is the 7th coldest in April: 0.1°C cooler than Shirakawa-go and 1.2°C warmer than Karuizawa.
• April is Sendai's 6th driest month (90.2 mm).
• Of our 35 places, Sendai has the 6th lowest precipitation in April: 7.0 mm less than Niigata and 9.2 mm more than Karuizawa.
• Rain or snow of 1 mm or more falls on 7.7 days, and 10 mm or more on 3.2 days.
• Rain or snow of 30 mm or more in one day falls on 0.6 days.
• 1 cm of snow falls in an average April.
• Snow or sleet falls on 2.7 days.
• The sun is out for 40% or more of the possible hours on 18.4 days, and 3.9 days have under 0.1 hours of sunshine.
• By the JMA's cloud records, 2.7 days are clear and 9.7 are overcast.
• On 15 April 2027 the sun rises at 5:02 and sets at 18:12 in Sendai, giving 13 hours 10 minutes of daylight (NAOJ).

Average temperature

10.7°C (51°F)

Humidity

63%

Days of 25°C or more

0.5 days

Deepest snow (average of each year's deepest)

1 cm

Early, mid and late April

By the last ten days of April the average high in Sendai is 4.0°C higher than in the first ten.

By ten-day totals, 21–30 April is the wettest (33.6 mm) and 1–10 April the driest (26.3 mm).

Cool: highs around 15.5°C

• Long sleeves with a light jacket or sweater.
• Layers you can take off: afternoons are 9.2°C warmer than early mornings on average.
• A folding umbrella: rain or snow falls on 7.7 days.

Pack

• Folding umbrella

• Our clothing rules

Cherry blossom

The JMA's sample cherry tree in Sendai opens around 8 April and is in full bloom around 13 April in an average year (1991–2020). In 2026 it opened on 31 March and was in full bloom on 4 April.

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

National holidays in April 2027:

• Thu 29 April — Showa Day

In April 2025, hotels and inns across Miyagi Prefecture were 57.5% full on average (8th busiest of 12 months). Foreign guests spent 102,230 nights there that month (Japan Tourism Agency). That compares with 57.5% in March and 57.7% in May.

• Japan in April: visitor numbers and busy travel days
• Holidays in April
• Golden Week