Wakkanai weather by month & the best time to visit
🇯🇵 Japan · seaside town · continental climate
The best time to visit Wakkanai is August — its sunniest month (Sunshine Score 63/100), with July and September close behind. Wakkanai averages about 1,513 hours of sunshine a year. Daytime highs around 21°C / 70°F and roughly 131 mm of rain in August.
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- Sun hours / year
- 1,513
- Sunniest month
- August
- Peak score
- 63/100
- Rain / year
- 1,152 mm
- Snow / year
- ≈2.7 m
- Midday UV at peak
- 5 (moderate)
- Sea at warmest
- 21°C / 70°F
- Population
- 34k
- Elevation
- 6 m
When is the best time to visit Wakkanai?
For sunshine, the best time to visit Wakkanai is August, then July and September. The dullest month is January (0/100, 89 mm of rain). The full month-by-month picture is in the table below.
How sunny is Wakkanai?
Wakkanai isn't a sunny place by world standards: about 1,513 hours of sunshine a year. 63 Sunshine Score points separate August (63) from January (0), so the month you pick matters. It ranks #71 of 79 destinations in Japan for annual sunshine, below the national median of 1,773 hours. The year's 1,152 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° / 27°F | -6° / 21°F | 89 mm | 0 | 3° / 37°F |
| February | 0 | -3° / 27°F | -6° / 21°F | 75 mm | 1 | 1° / 34°F |
| March | 0 | 1° / 34°F | -2° / 28°F | 69 mm | 2 | 3° / 37°F |
| April | 0 | 6° / 43°F | 2° / 36°F | 60 mm | 3 | 6° / 43°F |
| May | 12 | 10° / 50°F | 6° / 43°F | 76 mm | 4 | 9° / 48°F |
| June | 36 | 14° / 57°F | 10° / 50°F | 80 mm | 5 | 14° / 57°F |
| July | 62 | 19° / 66°F | 15° / 59°F | 104 mm | 5 | 20° / 68°F |
| August | 63 | 21° / 70°F | 18° / 64°F | 131 mm | 5 | 21° / 70°F |
| September | 59 | 19° / 66°F | 16° / 61°F | 122 mm | 4 | 21° / 70°F |
| October | 28 | 13° / 55°F | 10° / 50°F | 113 mm | 2 | 16° / 61°F |
| November | 0 | 6° / 43°F | 3° / 37°F | 114 mm | 1 | 10° / 50°F |
| December | 0 | 0° / 32°F | -3° / 27°F | 119 mm | 0 | 4° / 39°F |
Sea temperature in Wakkanai by month
The sea off Wakkanai is warmest in August at around 21°C / 70°F, and coolest in February at 1°C / 34°F. The water sits at a comfortable 21°C or warmer roughly 2 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
See Wakkanai on the interactive sunshine globe →
Nearby places for sunshine
- Yuzhno-Sakhalinsk Russia · 179 km · best in Jul · 1,599 h sun/yr
- Asahikawa Japan · 199 km · best in Jun · 1,633 h sun/yr
- Kitami Japan · 252 km · best in Jul · 1,825 h sun/yr
- Sapporo Japan · 293 km · best in Jun · 1,696 h sun/yr
- Obihiro Japan · 318 km · best in Jul · 1,878 h sun/yr
- Kushiro Japan · 325 km · best in Jul · 1,827 h sun/yr
Nearest destinations
- Rishiri Japan · 51 km · 1,513 h sun/yr · best in Sep
- Monbetsu Japan · 176 km · 1,598 h sun/yr · best in Sep
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