Okayama Weather in June
Okayama in June sees high daytime temperatures of 27°C (81°F) and nighttime lows of 20°C (68°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.
Rainfall in Okayama in June
In this month, the heaviest downpours of the year are not uncommon. Carrying a poncho might be your best bet to stay dry. Historically, June sees about 17 days of rain, with a monthly average of 187 mm (7.4 in). Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Okayama in June
Okayama in June gets highs of 27°C (81°F) during the day and drops to 20°C (68°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 20°C (68°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Okayama in June
The area enjoys a moderate level of sunlight, with around 155 hours. It's a good balance between sunny and cloudy days.Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, September, October and November typically offer the best weather 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 June
Min Temperature
20°C (68°F)
Max Temperature
27°C (81°F)
Chance of Rain
55%
Precipitation
187 mm (7.4 in)
Rainy days
17 days
Humidity
71%
Sunshine
155 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Okayama typically stay consistent throughout June, with daily highs averaging around 27°C (81°F). Nights are pleasant, with lows typically ranging from 16°C (61°F) to 22°C (72°F).
Average temperatures in June
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 June
Historical weather for Okayama in June
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 June
Based on weather observations in Okayama between 1976 and 2025, these are the recorded extremes during June.
- Okayama recorded its highest June temperature of 36°C (97°F) on June 29, 2022.
- On June 5, 2015, Okayama saw its coldest June day with temperatures maxing out at 17°C (63°F).
- The lowest overnight temperature recorded in June was 11°C (52°F) (June 3, 1981).
Best Places in Japan in June
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in June →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Okayama in June
Warm weather calls for comfortable, breathable clothing in June. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Okayama in June
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.
