Zao Onsen Weather in August

August in Zao Onsen typically sees daytime highs of 28°C (82°F) and nighttime lows of 20°C (68°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Zao Onsen in August

Historically, August sees about 20 days of rain, with a monthly average of 162 mm (6.4 in). This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Zao Onsen in August

If you're visiting Zao Onsen in August, expect highs of 28°C (82°F) and overnight lows around 20°C (68°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights remain mild at 20°C (68°F), making evenings a pleasant time to be outdoors. On average, this month sees the highest temperatures of the year. Worth packing a few lighter outfits.

Sunshine in Zao Onsen in August

The month brings about 148 hours of sunlight, offering a comfortable mix of sun and overcast.

For Zao Onsen itself, May generally stands 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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For a detailed overview over the year and the best time to visit Japan, check out our Zao Onsen's climate page.

Zao Onsen Temperature in August

Min Temperature 20°C (68°F)  

Max Temperature 28°C (82°F)  

Chance of Rain 66%  

Precipitation 162 mm (6.4 in)  

Rainy days 20 days  

Humidity 81% *  

Sunshine 148 hours *  

Percentage Sunshine 37% *  

* Data from: Sendai, Japan (45 KM, 28 Miles).

What to Wear in Zao Onsen in August

Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Zao Onsen in August

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

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

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 Zao Onsen's climate page.

More climate data for Zao Onsen

Temperature Rainfall Sunshine Humidity

See the full Zao Onsen climate overview or explore weather in Japan.