Okayama weather in May
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Okayama May weather at a glance
In May, Okayama averages 18.3°C, with typical highs of 23.7°C and lows of 12.9°C. The historical average is 10 wet days and 70% humidity.
Okayama May temperature & humidity
Okayama May rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Okayama in May
T-shirts or long sleeves with one light outer layer should be comfortable. The typical day-to-night swing is about 11°C, so bring an extra layer. Showers are possible, so a compact umbrella is useful.
- DaytimeLong sleeves and a light jacket · average high 23.7°C
- Morning & eveningLong sleeves with a jacket or cardigan · average low 12.9°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
Coupang affiliate links · We earn a commission on purchases. Products are sold on the Korean Coupang store.
Okayama May sunrise & sunset times
2026 May · Local time (Asia/Tokyo)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-05-01 | 05:15 | 18:49 | 13h 34m |
| 2026-05-15 | 05:02 | 19:00 | 13h 58m |
| 2026-05-31 | 04:53 | 19:11 | 14h 18m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
Okayama travel updates
Watch live CCTV
- Okayama prefecture rivers / select areaOkayama Prefecture · Camera directory
Check the camera timestamp at the source.
Today’s weather and forecast
Check temperature, rain and wind in Windy.
Forecast · Windy. Monthly averages are in the Temperature section.
Okayama news search
Search for recent news and check publication dates before you travel.
Okayama city map
This map shows the city area, not a specific meeting point.
Okayama travel essentials
Popular MyRealTrip products · city search, sorted by sales · Product names are in Korean.
- Travel SIM card
일본유심 공항수령 5G 데이터무제한 오사카 도쿄 후쿠오카 소프트뱅크 로컬망 도시락USIMBook now ↗ - [🟢쿠폰증정] JR서일본 오카야마&히로시마&야마구치 패스 5일권(미야지마 페리 포함)Book now ↗
- [🟣쿠폰증정] JR 서일본 세토우치 패스 7일권(오사카·고베·나라·야마구치·후쿠오카)Book now ↗
- [즉시확정] 산요신칸센 구라시키/오카야마/히로시마/신야마구치/고쿠라/하카타 → 오사카 티켓Book now ↗
- [즉시확정] 산요신칸센 오사카 → 구라시키/오카야마/히로시마/신야마구치/고쿠라/하카타 티켓Book now ↗
Explore with Klook
Klook.comAffiliate widget · We may earn a commission on bookings.
Okayama hotel search · Trip.com
Search hotels by destination, dates and number of guests. The Trip.com widget is in Korean.
Affiliate widget · A qualifying booking may earn us a commission. Trip.com may use cookies in this search widget.
Best months to visit Okayama
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
May weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Okayama weather like in May?
In May, Okayama averages 18.3°C, with typical highs of 23.7°C and lows of 12.9°C. The historical average is 10 wet days and 70% humidity. Our weather-comfort rating for this month is good.
Does it rain a lot in Okayama in May?
There are about 10 wet days in May. A compact umbrella is still useful.
What should I wear in Okayama in May?
T-shirts or long sleeves with one light outer layer should be comfortable. The typical day-to-night swing is about 11°C, so bring an extra layer. Showers are possible, so a compact umbrella is useful.
What are the best months to visit Okayama?
Recent weather data rates January, April, May, October among the more comfortable months.
Where can I check Okayama weather in May in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Okayama in May?
On 2026-05-15, calculated sunrise is 05:02 and sunset is 19:00 in local time (Asia/Tokyo). Times vary by date and terrain.
Okayama weather by month
More Japan destinations in May
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations