Osaka in June: weather, what to wear and events

Osaka weather in June

Averages for 1991–2020 at the JMA's Osaka station (23 m above sea level).

High: 28.0°C (82°F)
Low: 20.3°C (69°F)
Precipitation: 185.1 mm
Wet days: 11.3 days
Sunshine: 154 hours

Highs rise 3.1°C from May and climb another 3.8°C into July.

That is 6.7°C above Osaka's yearly average high of 21.3°C.

Of our 14 places with temperature records, Osaka is the 4th warmest in June: 0.1°C cooler than Nara and 0.4°C warmer than Nagoya.

Of our 15 places, Osaka has the 7th lowest precipitation in June: 1.4 mm less than Nagoya and 1.0 mm more than Nara.

Rain of 1 mm or more falls on 11.3 days, and 10 mm or more on 5.6 days.

Rain of 30 mm or more in one day falls on 1.9 days, and 50 mm or more on 0.8 days.

7.9 days reach 30°C or more.

On 1.0 nights the low stays at 25°C or above.

The sun is out for 40% or more of the possible hours on 13.1 days, and 5.1 days have under 0.1 hours of sunshine.

By the JMA's cloud records, 0.4 days are clear and 18.9 are overcast.

On 15 June 2027 the sun rises at 4:44 and sets at 19:13 in Osaka, giving 14 hours 29 minutes of daylight (NAOJ).

Average temperature: 23.6°C (74°F)
Humidity: 68%
Days of 25°C or more: 25.3 days

Early, mid and late June

Osaka in June by ten-day period: averages for 1991–2020 (JMA)
Days	High	Low	Precipitation
1–10 June	27.2°C	18.8°C	34.0 mm
11–20 June	27.9°C	20.3°C	69.3 mm
21–30 June	28.7°C	21.7°C	81.8 mm

By the last ten days of June the average high in Osaka is 1.5°C higher than in the first ten.

By ten-day totals, 21–30 June is the wettest (81.8 mm) and 1–10 June the driest (34.0 mm).

What to wear in Osaka in June

Warm: highs around 28.0°C

Short sleeves or thin long sleeves, with a light layer for air-conditioning and evenings.
An umbrella: rain falls on 11.3 days.

Pack

Umbrella
A light layer for air-conditioning

Our clothing rules

Flowers and autumn colour in Osaka in June

Hydrangea

The JMA's sample hydrangea in Osaka flowers around 7 June in an average year (1991–2020). In 2026: 1 June.

Dates are for one sample tree at or near the JMA observatory, not for every park in the city.

Rainy season and typhoons

In an average year (1991–2020) the JMA says the rainy season in Kinki starts around 6 June and ends around 19 July. In 2026 it started around 4 June and ended around 8 July.

In an average June, 0.3 typhoons come within 300 km of the Kinki region; across Japan, 0.8 come within 300 km and 0.2 make landfall (JMA, 1991–2020).

June records in Osaka

The extremes the JMA has measured in June at its Osaka station.

Hottest June day: 36.1°C (97°F) on 13 June 2013 (records since 1883)
Coldest June night: 8.9°C (48°F) on 8 June 1891 (records since 1883)
Wettest June day: 250.7 mm on 26 June 1957 (records since 1883)

Holidays and crowds in June

There are no national holidays in June 2027.

In June 2025, hotels and inns across Osaka Prefecture were 79.4% full on average (6th busiest of 12 months). Foreign guests spent 2.05 million nights there that month (Japan Tourism Agency). That compares with 82.0% in May and 74.9% in July.

What's on in Osaka in June

Events in Osaka in June: dates from each organizer's official page
Event	When	Where and what
Aizen Matsuri愛染まつり（愛染堂勝鬘院）	Late June to early July: 30 June to 2 July in 2026	Aizendo Shomanin temple, Tennoji area, Osaka (nearest station: Shitennoji-mae Yuhigaoka). One of Osaka's three great summer festivals. The temple's hidden main image, Aizen Myoo, is shown in a special opening on all three days. On the first day a Hoekago (palanquin) parade runs from Tennoji to the temple, and priests of Shitenno-ji hold a Nagoshi-no-harae purification service. The festival ends and the lights go out at 21:00. There is no car or bicycle parking. Official page

Osaka before and after June

Osaka: May, June and July (JMA, 1991–2020)
Month	High	Low	Precipitation	Wet days
May	24.9°C (−3.1°C)	16.0°C (−4.3°C)	136.5 mm (−48.6 mm)	9.5 days (−1.8 days)
June	28.0°C	20.3°C	185.1 mm	11.3 days
July	31.8°C (+3.8°C)	24.6°C (+4.3°C)	174.4 mm (−10.7 mm)	10.0 days (−1.3 days)

Other places in June

June: Osaka against five other places (JMA, 1991–2020)
Place	High	Against Osaka	Wet days	Against Osaka
Tokyo	26.1°C	−1.9°C	11.6 days	+0.3 days
Kyoto	28.1°C	+0.1°C	11.5 days	+0.2 days
Sapporo	21.8°C	−6.2°C	7.5 days	−3.8 days
OkinawaNaha	29.8°C	+1.8°C	11.3 days	same
Fukuoka	27.2°C	−0.8°C	11.6 days	+0.3 days

All 15 places in June

Frequently asked questions

What is the weather like in Osaka in June?

The average high is 28.0°C (82°F) and the average low 20.3°C (69°F). 185.1 mm of rain falls on about 11.3 days (JMA, 1991–2020).

What should I wear in Osaka in June?

Short sleeves or thin long sleeves, with a light layer for air-conditioning and evenings. An umbrella: rain falls on 11.3 days.

Is Osaka busy in June?

In June 2025, hotels and inns across Osaka Prefecture were 79.4% full on average (6th busiest of 12 months). Foreign guests spent 2.05 million nights there that month (Japan Tourism Agency).

What are the record temperatures for June in Osaka?

The highest temperature the JMA has recorded in Osaka in June is 36.1°C (97°F), on 13 June 2013. The lowest is 8.9°C (48°F), on 8 June 1891.

What events are on in Osaka in June?

Aizen Matsuri: Late June to early July: 30 June to 2 July in 2026.

When do hydrangeas flower in Osaka?