Sado weather by month & the best time to visit
🇯🇵 Japan · beach resort · humid subtropical climate
The best time to visit Sado is June — its sunniest month (Sunshine Score 67/100), with August and September close behind. Sado averages about 1,580 hours of sunshine a year. Daytime highs around 21°C / 70°F and roughly 114 mm of rain in June.
Jump to: month-by-month table · sea temperature · nearby alternatives · embed this data
- Sun hours / year
- 1,580
- Sunniest month
- June
- Peak score
- 67/100
- Rain / year
- 1,701 mm
- Midday UV at peak
- 7 (high)
- Sea at warmest
- 28°C / 82°F
- Population
- 51k
- Elevation
- 24 m

When is the best time to visit Sado?
For sunshine, the best time to visit Sado is June, then August and September. The dullest month is January (0/100, 165 mm of rain). The full month-by-month picture is in the table below.
How sunny is Sado?
Sado isn't a sunny place by world standards: about 1,580 hours of sunshine a year. 67 Sunshine Score points separate June (67) from January (0), so the month you pick matters. It ranks #62 of 79 destinations in Japan for annual sunshine, below the national median of 1,773 hours. The year's 1,701 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 | 6° / 43°F | 4° / 39°F | 165 mm | 1 | 13° / 55°F |
| February | 0 | 6° / 43°F | 3° / 37°F | 105 mm | 2 | 12° / 54°F |
| March | 0 | 8° / 46°F | 5° / 41°F | 107 mm | 3 | 10° / 50°F |
| April | 23 | 12° / 54°F | 9° / 48°F | 95 mm | 5 | 13° / 55°F |
| May | 54 | 17° / 63°F | 13° / 55°F | 86 mm | 6 | 16° / 61°F |
| June | 67 | 21° / 70°F | 18° / 64°F | 114 mm | 6 | 22° / 72°F |
| July | 60 | 25° / 77°F | 22° / 72°F | 211 mm | 6 | 25° / 77°F |
| August | 61 | 27° / 81°F | 25° / 77°F | 145 mm | 7 | 28° / 82°F |
| September | 61 | 24° / 75°F | 22° / 72°F | 146 mm | 6 | 28° / 82°F |
| October | 56 | 19° / 66°F | 17° / 63°F | 147 mm | 4 | 24° / 75°F |
| November | 30 | 14° / 57°F | 11° / 52°F | 166 mm | 2 | 19° / 66°F |
| December | 5 | 9° / 48°F | 6° / 43°F | 214 mm | 1 | 15° / 59°F |
Sea temperature in Sado by month
The sea off Sado is warmest in August at around 28°C / 82°F, and coolest in March at 10°C / 50°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 Sado on the interactive sunshine globe →
Nearby places for sunshine
- Niigata Japan · 62 km · best in May · 1,480 h sun/yr
- Shonai Japan · 146 km · best in Jun · 1,396 h sun/yr
- Yamagata Japan · 175 km · best in May · 1,521 h sun/yr
- Toyama Japan · 191 km · best in May · 1,590 h sun/yr
- Sendai Japan · 219 km · best in May · 1,521 h sun/yr
- Akita Japan · 233 km · best in Jun · 1,394 h sun/yr
Nearest destinations
- Wajima Japan · 154 km · 1,676 h sun/yr · best in Jun
- Fukushima Japan · 200 km · 1,749 h sun/yr · best in May
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