Wadomari weather by month & the best time to visit
Japan · beach resort · humid subtropical climate

The best time to visit Wadomari is December — its sunniest month (Sunshine Score 74/100), with November and February close behind. Wadomari averages about 1,810 hours of sunshine a year. Daytime highs around 20°C / 68°F and roughly 85 mm of rain in December.
When is the best time to visit Wadomari?
For sunshine, the best time to visit Wadomari is December, then November and February. The dullest month is April (62/100, 173 mm of rain). The full month-by-month picture is in the table below.
How sunny is Wadomari?
Wadomari gets a moderate 1,810 hours of sunshine a year. Conditions barely change through the year — only 12 Sunshine Score points separate December from April. It ranks #34 of 79 destinations in Japan for annual sunshine, above the national median of 1,773 hours. Rain has a clear season: the wettest stretch, around May, carries about 42% of the annual 1,884 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 63 | 18° / 64°F | 17° / 63°F | 77 mm | 4 | 23° / 73°F |
| February | 70 | 19° / 66°F | 17° / 63°F | 71 mm | 5 | 22° / 72°F |
| March | 68 | 20° / 68°F | 18° / 64°F | 114 mm | 6 | 21° / 70°F |
| April | 62 | 21° / 70°F | 20° / 68°F | 173 mm | 7 | 23° / 73°F |
| May | 62 | 24° / 75°F | 22° / 72°F | 257 mm | 7 | 25° / 77°F |
| June | 62 | 26° / 79°F | 25° / 77°F | 358 mm | 8 | 26° / 79°F |
| July | 62 | 29° / 84°F | 28° / 82°F | 161 mm | 10 | 30° / 86°F |
| August | 62 | 29° / 84°F | 28° / 82°F | 171 mm | 10 | 31° / 88°F |
| September | 62 | 28° / 82°F | 27° / 81°F | 187 mm | 8 | 30° / 86°F |
| October | 64 | 26° / 79°F | 25° / 77°F | 139 mm | 7 | 29° / 84°F |
| November | 72 | 23° / 73°F | 22° / 72°F | 91 mm | 5 | 27° / 81°F |
| December | 74 | 20° / 68°F | 18° / 64°F | 85 mm | 3 | 24° / 75°F |
Sea temperature in Wadomari by month
The sea off Wadomari is warmest in August at around 31°C / 88°F, and coolest in March at 21°C / 70°F. The water sits at a comfortable 21°C or warmer roughly all year round. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
Wadomari: questions and answers
What kind of destination is Wadomari?
Wadomari is a beach resort in Japan with a humid subtropical climate — the sea reaches 31°C at its warmest and is swimmable (21°C+) year-round.
How many hours of sunshine does Wadomari get a year?
Wadomari gets about 1,810 hours of sunshine a year, at its best around December.
When is the best time to visit Wadomari?
The sunniest time to visit Wadomari is December, when the Sunshine Score peaks at 74/100 (with November and February close behind). Expect daytime highs around 20°C / 68°F.
What is the least sunny month in Wadomari?
April is the least sunny month in Wadomari, scoring 62/100 with about 173 mm of rain.
What is the sea temperature in Wadomari?
The sea in Wadomari ranges from about 21°C (March) to 31°C (August). Month-by-month sea temperatures are on this page.
How strong is the sun in Wadomari?
The typical midday UV index in Wadomari peaks around 10 (very high) in July, easing to about 3 (moderate) in December. Month-by-month midday UV values are in the UV column of the table on this page.
Put the Wadomari sunshine badge on your site
A compact badge showing Wadomari's sunshine at a glance — free to embed under CC BY 4.0. Paste this wherever you'd like it to appear:
Live preview — this is exactly what your readers see: