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Okayama weather in April 2026
Expect daytime maximum temperatures of 19°C in Okayama, Japan in April based on long-term weather averages. There are 6 hours of sunshine per day on average with 15 days with some rainfall and typically 110 mm of rainfall in the month.
- 19°C max day temperature
19 - 6 hours of sunshine per day
- 15 days with some rainfall
15 - 9°C min night temperature
9 - 13 hours of daylight per day
13 - No heat & humidity
0 - 110 mm of monthly rainfall
110 - 8 (Very High) UV index
8
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Recommended for Japan
The April weather guide for Japan (Okayama) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about Japan
How hot is it in Okayama in April?
Daytime temperatures usually reach 19°C in Okayama in April, falling to 9°C at night.
How sunny is it in Okayama in April?
There are normally 5 hours of bright sunshine each day in Okayama in April - that's 41% of daylight hours.
How warm is the sea around Okayama in April?
The average sea temperature around Okayama in April is 16°C.
Does it rain in Okayama in April?
There are usually 16 days with some rain in Okayama in April and the average monthly rainfall is 119mm.
Okayama April sunrise & sunset times
Browse the sunrise and sunset times for Okayama in April 2026. Select a month to view Okayama sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Wednesday, 1st April 2026 | 05:52 | 18:25 |
| Wednesday, 15th April 2026 | 05:33 | 18:36 |
| Thursday, 30th April 2026 | 05:16 | 18:48 |
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