Temperature
Pleasant by day, mild at night.
75°Ftypical Aug high
Zao Onsen
Japan · Asia
Zao Onsen is most comfortable in May and October. Summers are warm and winters are cold. Rain is frequent in most months. Humidity is usually low.
Best time to go
12 mo · Typical year
Temperature range
17°F to 75°F
Rain
14 days/mo
Sunshine
8.1 h/day
Humidity feel
Generally dry
When to visit
Month-by-month fit
Precipitation
One of the wettest months.
52%wet-day frequency
Precip amountWet-day chanceSnowfall
Sunshine
Cloudier spells limit sunshine.
8.4 hAug sunshine
Heat & humidity by month
The air feels slightly humid this month.
Slightly humidAug heat feel
Easy airWarm airHot airHumid air
Hourly comfort pattern
In August, afternoons feel about 76° and nights feel near 66°.
FrigidFreezingVery coldColdCoolComfortableWarmNight shading
More detailIncludes sky, daypart comfort, and wind
Cloud cover
Mostly cloudy skies.
25%Aug clear sky
ClearCloud cover
Typical August day
August late afternoons are around 73°F, easing to about 68°F in early evening.
Avg temp Typical range
Morning71°F
Feels 73°F
Rain32%
Cloud73%
Humid airModerate
Sun intensityModerate
Midday75°F
Feels 76°F
Rain40%
Cloud74%
Humid airModerate
Sun intensityModerate
Late afternoon73°F
Feels 75°F
Rain35%
Cloud73%
Humid airModerate
Sun intensityLow
evening68°F
Feels 71°F
Rain16%
Cloud70%
Humid airModerate
Sun intensityMinimal
Best windowWind pattern
Calm winds are typical in August.
3 mphAug Calm
Typical wind speed (mph)
Similar
Similar things to doNikkoJapanSimilar things to doNiagara FallsCanadaSimilar things to doBarilocheArgentinaSimilar things to doDunedinNew Zealand
Want a side-by-side climate view? Compare Zao Onsen with Nikko.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jul 31, 2026
Data & methodology