Sunshine Map

Sendai weather by month & the best time to visit

🇯🇵 Japan · major coastal city · humid subtropical climate

The best time to visit Sendai is May — its sunniest month (Sunshine Score 72/100), with June and September close behind. Sendai averages about 1,521 hours of sunshine a year. Daytime highs around 21°C / 70°F and roughly 86 mm of rain in May.

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Sun hours / year
1,521
Sunniest month
May
Peak score
72/100
Rain / year
1,361 mm
Snow / year
≈90 cm
Midday UV at peak
6 (high)
Sea at warmest
27°C / 81°F
Population
2.3M
Elevation
Sea level
Sendai, Japan
Sendai — photo via Wikimedia Commons

When is the best time to visit Sendai?

For sunshine, the best time to visit Sendai is May, then June and September. The dullest month is January (0/100, 97 mm of rain). The full month-by-month picture is in the table below.

How sunny is Sendai?

Sendai isn't a sunny place by world standards: about 1,521 hours of sunshine a year. 72 Sunshine Score points separate May (72) from January (0), so the month you pick matters. It ranks #68 of 79 destinations in Japan for annual sunshine, below the national median of 1,773 hours. The year's 1,361 mm of rain spreads fairly evenly across the months, with no pronounced dry season.

Sunshine Score by month

January: 0February: 0March: 6April: 48May: 7272June: 67July: 60August: 60September: 62October: 61November: 29December: 0JFMAMJJASOND
MonthScoreDay highNight lowRainUVSea
January0 3° / 37°F-4° / 25°F 97 mm110° / 50°F
February0 4° / 39°F-3° / 27°F 62 mm212° / 54°F
March6 9° / 48°F0° / 32°F 82 mm311° / 52°F
April48 16° / 61°F5° / 41°F 84 mm414° / 57°F
May72 21° / 70°F11° / 52°F 86 mm517° / 63°F
June67 25° / 77°F16° / 61°F 113 mm520° / 68°F
July60 29° / 84°F20° / 68°F 202 mm524° / 75°F
August60 30° / 86°F21° / 70°F 149 mm627° / 81°F
September62 26° / 79°F17° / 63°F 138 mm525° / 77°F
October61 20° / 68°F11° / 52°F 143 mm322° / 72°F
November29 13° / 55°F4° / 39°F 94 mm218° / 64°F
December0 6° / 43°F-1° / 30°F 111 mm115° / 59°F

Sea temperature in Sendai by month

The sea off Sendai is warmest in August at around 27°C / 81°F, and coolest in January at 10°C / 50°F. The water sits at a comfortable 21°C or warmer roughly 4 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.

See Sendai on the interactive sunshine globe →

Nearby places for sunshine

Nearest destinations

Head-to-head

How Sendai compares month by month: Sendai vs Niigata · Sendai vs Ibaraki · Sendai vs Yamagata · Sendai vs Hanamaki · all comparisons

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