Okinawa in June: weather, what to wear and what's on

Okinawa weather in June

Averages for 1991–2020 at the JMA's Naha station (28 m above sea level).

High

29.8°C (86°F)

Low

25.2°C (77°F)

Precipitation

284.4 mm

Wet days

11.3 days

Sunshine

160 hours

Highs rise 2.8°C from May and climb another 2.1°C into July.

That is 3.8°C above Naha's yearly average high of 26.0°C.

Of our 14 places with temperature records, Naha is the warmest in June, 1.7°C warmer than Kyoto.

Of our 15 places, Naha has the 2nd highest precipitation in June: 136.0 mm less than Hakone and 34.8 mm more than Fukuoka.

Rain of 1 mm or more falls on 11.3 days, and 10 mm or more on 6.3 days.

Rain of 30 mm or more in one day falls on 3.1 days, and 50 mm or more on 1.5 days.

16.0 days reach 30°C or more.

On 16.8 nights the low stays at 25°C or above.

The sun is out for 40% or more of the possible hours on 15.2 days, and 3.5 days have under 0.1 hours of sunshine.

By the JMA's cloud records, 0.2 days are clear and 17.0 are overcast.

On 15 June 2027 the sun rises at 5:37 and sets at 19:23 in Naha, giving 13 hours 46 minutes of daylight (NAOJ).

Average temperature

27.2°C (81°F)

Humidity

83%

Days of 25°C or more

29.6 days

Early, mid and late June

By the last ten days of June the average high in Naha is 2.6°C higher than in the first ten.

By ten-day totals, 11–20 June is the wettest (137.6 mm) and 21–30 June the driest (45.7 mm).

What to wear in Okinawa in June

Warm: highs around 29.8°C

This is for Naha (28 m above sea level).

• Short sleeves or thin long sleeves, with a light layer for air-conditioning and evenings.
• Heat: 16.0 days reach 30°C or more. A hat, water and sunscreen.
• Warm nights: on 16.8 nights the temperature stays at 25°C or above.
• Humidity averages 83%: quick-dry fabrics are more comfortable.
• An umbrella: rain falls on 11.3 days.

Pack

• Umbrella
• Hat, sunscreen and a water bottle
• Quick-dry clothes
• A light layer for air-conditioning

• Our clothing rules

Rainy season and typhoons

In an average year (1991–2020) the JMA says the rainy season in Okinawa starts around 10 May and ends around 21 June. In 2026 it started around 4 May and ended around 29 June.

In an average June, 0.6 typhoons come within 300 km of the Okinawa region; across Japan, 0.8 come within 300 km and 0.2 make landfall (JMA, 1991–2020).

June records in Okinawa

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

Hottest June day

34.3°C (94°F) on 27 June 1919 (records since 1891)

Coldest June night

14.8°C (59°F) on 3 June 1926 (records since 1891)

Wettest June day

214.5 mm on 9 June 2004 (records since 1891)

Holidays and crowds in June

There are no national holidays in June 2027.

In June 2025, hotels and inns across Okinawa Prefecture were 58.8% full on average (9th busiest of 12 months). Foreign guests spent 824,410 nights there that month (Japan Tourism Agency). That compares with 56.2% in May and 64.4% in July.

• Japan in June: visitor numbers and busy travel days
• Holidays in June

What's on in Okinawa in June

Okinawa before and after June

• Okinawa in May
• Okinawa in July
• All 12 months in Okinawa

Other places in June

• All 15 places in June

Related items

• Okinawa by month
• Japan in June
• Okinawa in May
• Okinawa in July