Zao Onsen
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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.

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).

Zao Onsen Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Zao Onsen - and find the best time to visit.

Best Places in Japan in August

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

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 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

Zao Onsen 3-Day Forecast

More climate data for Zao Onsen

Popular in August

Where to go in August - average daytime high across popular destinations.

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