Monbetsu weather by month & the best time to visit
Japan · seaside town · continental climate
The best time to visit Monbetsu is September — its sunniest month (Sunshine Score 68/100), with July and August close behind. Monbetsu averages about 1,598 hours of sunshine a year. Daytime highs around 20°C / 68°F and roughly 106 mm of rain in September.
When is the best time to visit Monbetsu?
For sunshine, the best time to visit Monbetsu is September, then July and August. The dullest month is January (0/100, 57 mm of rain). The full month-by-month picture is in the table below.
How sunny is Monbetsu?
Monbetsu isn't a sunny place by world standards: about 1,598 hours of sunshine a year. 68 Sunshine Score points separate September (68) from January (0), so the month you pick matters. It ranks #59 of 79 destinations in Japan for annual sunshine, below the national median of 1,773 hours. The year's 968 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 | -8° / 18°F | 57 mm | 1 | 1° / 34°F |
| February | 0 | -4° / 25°F | -9° / 16°F | 47 mm | 1 | -1° / 30°F |
| March | 0 | 0° / 32°F | -5° / 23°F | 50 mm | 2 | 0° / 32°F |
| April | 0 | 7° / 45°F | 1° / 34°F | 47 mm | 3 | 4° / 39°F |
| May | 31 | 13° / 55°F | 6° / 43°F | 68 mm | 5 | 6° / 43°F |
| June | 55 | 17° / 63°F | 11° / 52°F | 81 mm | 5 | 13° / 55°F |
| July | 67 | 21° / 70°F | 15° / 59°F | 115 mm | 6 | 18° / 64°F |
| August | 62 | 23° / 73°F | 17° / 63°F | 138 mm | 5 | 20° / 68°F |
| September | 68 | 20° / 68°F | 14° / 57°F | 106 mm | 4 | 21° / 70°F |
| October | 29 | 13° / 55°F | 8° / 46°F | 96 mm | 2 | 16° / 61°F |
| November | 0 | 6° / 43°F | 1° / 34°F | 84 mm | 1 | 8° / 46°F |
| December | 0 | -1° / 30°F | -5° / 23°F | 79 mm | 0 | 3° / 37°F |
Sea temperature in Monbetsu by month
The sea off Monbetsu is warmest in September at around 21°C / 70°F, and coolest in February at -1°C / 30°F. The water sits at a comfortable 21°C or warmer roughly 1 month a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
Monbetsu: questions and answers
What kind of destination is Monbetsu?
Monbetsu is a seaside town in Japan with a continental climate — the sea reaches 21°C at its warmest and is swimmable (21°C+) about 1 months a year.
How many hours of sunshine does Monbetsu get a year?
Monbetsu gets about 1,598 hours of sunshine a year, at its best around September.
When is the best time to visit Monbetsu?
The sunniest time to visit Monbetsu is September, when the Sunshine Score peaks at 68/100 (with July and August close behind). Expect daytime highs around 20°C / 68°F.
What is the least sunny month in Monbetsu?
January is the least sunny month in Monbetsu, scoring 0/100 with about 57 mm of rain.
What is the sea temperature in Monbetsu?
The sea in Monbetsu ranges from about -1°C (February) to 21°C (September). Month-by-month sea temperatures are on this page.
How strong is the sun in Monbetsu?
The typical midday UV index in Monbetsu peaks around 6 (high) in July, easing to about 0 (low) in December. Month-by-month midday UV values are in the UV column of the table on this page.
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