Otaru Weather in May

May in Otaru typically sees daytime highs of 14°C (57°F) and nighttime lows of 7°C (45°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Otaru in May

Records from the past 30 years suggest around 18 days of rain, with 93 mm (3.7 in) average for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Otaru in May

If you're visiting Otaru in May, expect highs of 14°C (57°F) and overnight lows around 7°C (45°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 7°C (45°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Otaru in May

With approximately 199 hours of sunshine, the days are filled with clear skies. Despite it being a cool month, it makes for pleasant days outside.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Otaru.

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Check the conditions for any month of the year.

• January
• February
• March
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• May
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• September
• October
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• December

For a detailed overview over the year and the best time to visit Japan, check out our Otaru's climate page.

Otaru Temperature in May

Min Temperature 7°C (45°F)  

Max Temperature 14°C (57°F)  

Chance of Rain 60%  

Precipitation 93 mm (3.7 in)  

Rainy days 18 days  

Humidity 66% *  

Sunshine 199 hours *  

Percentage Sunshine *  

* Data from: Sapporo, Japan (28 KM, 17 Miles).

What to Wear in Otaru in May

The weather can swing between comfortable and chilly in May, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Otaru in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Japan, check out our Otaru's climate page.

More climate data for Otaru

Temperature Rainfall Sunshine Humidity

See the full Otaru climate overview or explore weather in Japan.