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Iwanai Weather in October

October in Iwanai typically sees daytime highs of 15°C (59°F) and nighttime lows of 8°C (46°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Iwanai in October

On average, there are about 20 days with rain during this month, averaging 125 mm (4.9 in). This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Iwanai in October

October in Iwanai sees highs of 15°C (59°F) and lows of 8°C (46°F) overnight. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to 8°C (46°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Iwanai in October

The month brings about 153 hours of sunlight, offering a comfortable mix of sun and overcast.

For Iwanai itself, June, July, August and September generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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Check the conditions for any month of the year.

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

Iwanai Temperature in October

Min TemperatureMin Temperature 8°C (46°F)  
Max TemperatureMax Temperature 15°C (59°F)  
Chance of RainChance of Rain 67%  
PrecipitationPrecipitation 125 mm (4.9 in)  
Rainy daysRainy days 20 days  
HumidityHumidity 68% *  
SunshineSunshine 153 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Sapporo, Japan (69 KM, 43 Miles).

Best Places in Japan in October

Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in October →

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Iwanai in October

Pack for changing conditions in Iwanai in October. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Iwanai in October

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

Swimming
5/10
Cycling
5/10
Walking
5/10
Camping
3/10
Outdoor sports
9/10

Select a Month

Check the conditions for any month of the year.

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

More climate data for Iwanai