Okayama Weather in April
April in Okayama brings pleasant temperatures, with daytime highs of 20°C (68°F) and nights around 10°C (50°F). Quite a bit of rainfall is expected, around 117 mm (4.6 in), so pack an umbrella.
Rainfall in Okayama in April
Analyzing past climate data, one can expect approximately 15 days of rain, averaging 117 mm (4.6 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Okayama in April
In April, Okayama gets pleasant temperatures, with highs of 20°C (68°F). Nights cool to around 10°C (50°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights cool down to 10°C (50°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Okayama in April
With approximately 193 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.If your ideal day consists of dry skies and pleasant temperatures, April, May, September, October and November typically offer the best circumstances for Okayama.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Okayama's climate page.
Okayama Temperature in April
Min Temperature
10°C (50°F)
Max Temperature
20°C (68°F)
Chance of Rain
49%
Precipitation
117 mm (4.6 in)
Rainy days
15 days
Humidity
60%
Sunshine
193 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Okayama typically rise from around 17°C (63°F) at the start of April to approximately 22°C (72°F) by the end. Nights are cool, with lows typically ranging from 6°C (43°F) to 12°C (54°F).
Average temperatures in April
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in April
Historical weather for Okayama in April
Browse day-by-day weather records for Okayama spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Okayama historical weather extremes in April
Our historical data for Okayama spans 1976 to 2026, revealing these weather extremes.
- The warmest day in April was on April 22, 2004, with a maximum of 29°C (84°F).
- On April 1, 1987, Okayama saw its coldest April day with temperatures maxing out at 7°C (45°F).
- Okayama registered its coldest April night on April 2, 1991, with temperatures dropping to -1°C (30°F).
- The wettest day in April Okayama was on April 13, 2020 with 55 mm (2.2 in) of precipitation.
Best Places in Japan in April
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in April →
perfect weather
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tolerable
unpleasant
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What to Wear in Okayama in April
Comfortable temperatures call for an easy wardrobe in April. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Okayama in April
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Okayama's climate page.
Temperature Rainfall Sunshine Humidity
See the full Okayama climate overview or explore weather in Japan.
