Shonai weather by month & the best time to visit
🇯🇵 Japan · beach resort · humid subtropical climate
The best time to visit Shonai is June — its sunniest month (Sunshine Score 65/100), with May and September close behind. Shonai averages about 1,396 hours of sunshine a year. Daytime highs around 24°C / 75°F and roughly 116 mm of rain in June.
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- Sun hours / year
- 1,396
- Sunniest month
- June
- Peak score
- 65/100
- Rain / year
- 1,767 mm
- Snow / year
- ≈3.3 m
- Midday UV at peak
- 7 (high)
- Sea at warmest
- 29°C / 84°F
- Population
- 21k
- Elevation
- 21 m
When is the best time to visit Shonai?
For sunshine, the best time to visit Shonai is June, then May and September. The dullest month is January (0/100, 159 mm of rain). The full month-by-month picture is in the table below.
How sunny is Shonai?
Shonai isn't a sunny place by world standards: about 1,396 hours of sunshine a year. 65 Sunshine Score points separate June (65) from January (0), so the month you pick matters. It ranks #78 of 79 destinations in Japan for annual sunshine, below the national median of 1,773 hours. The year's 1,767 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 0 | 3° / 37°F | -1° / 30°F | 159 mm | 1 | 11° / 52°F |
| February | 0 | 3° / 37°F | -2° / 28°F | 105 mm | 2 | 10° / 50°F |
| March | 0 | 7° / 45°F | 1° / 34°F | 107 mm | 3 | 9° / 48°F |
| April | 28 | 13° / 55°F | 5° / 41°F | 100 mm | 4 | 12° / 54°F |
| May | 62 | 19° / 66°F | 11° / 52°F | 103 mm | 5 | 16° / 61°F |
| June | 65 | 24° / 75°F | 16° / 61°F | 116 mm | 6 | 22° / 72°F |
| July | 59 | 27° / 81°F | 20° / 68°F | 211 mm | 6 | 25° / 77°F |
| August | 59 | 29° / 84°F | 21° / 70°F | 186 mm | 7 | 29° / 84°F |
| September | 60 | 25° / 77°F | 18° / 64°F | 145 mm | 5 | 27° / 81°F |
| October | 49 | 18° / 64°F | 11° / 52°F | 165 mm | 3 | 23° / 73°F |
| November | 20 | 12° / 54°F | 6° / 43°F | 173 mm | 2 | 18° / 64°F |
| December | 0 | 6° / 43°F | 1° / 34°F | 197 mm | 1 | 13° / 55°F |
Sea temperature in Shonai by month
The sea off Shonai is warmest in August at around 29°C / 84°F, and coolest in March at 9°C / 48°F. The water sits at a comfortable 21°C or warmer roughly 5 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
See Shonai on the interactive sunshine globe →
Nearby places for sunshine
- Yamagata Japan · 67 km · best in May · 1,521 h sun/yr
- Akita Japan · 97 km · best in Jun · 1,394 h sun/yr
- Niigata Japan · 112 km · best in May · 1,480 h sun/yr
- Sendai Japan · 124 km · best in May · 1,521 h sun/yr
- Hanamaki Japan · 135 km · best in May · 1,695 h sun/yr
- Aomori Japan · 227 km · best in Jun · 1,430 h sun/yr
Nearest destinations
- Sado Japan · 146 km · 1,580 h sun/yr · best in Jun
Head-to-head
How Shonai compares month by month: Shonai vs Sendai · Shonai vs Niigata · Shonai vs Akita · Shonai vs Yamagata · all comparisons
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