Naha weather in June

In June, Naha sees average daytime highs of 27°C and overnight lows near 26°C, with 218 mm of rain across 15.8 wet days and about 13.6 hours of daylight. It is the 4th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 26°C in the first days to 28°C by the end. The sky is clear or mostly clear about 17% of the time in June, and the air most often feels miserable.

Daylight stretches from about 13 h 30 min at the start of June to 13 h 36 min by month's end. Set against the rest of the year, June is Naha's 12th-clearest and 10th-windiest month. For the whole year in context, see Naha's year-round climate.

Daytime high
27°
4th warmest
Overnight low
26°
9th coldest
Rainfall
218 mm
15.8 wet days
Daylight
13 h 36 min
5:41 AM – 7:18 PM
Cloud cover
76%
12th clearest
Wind
23 km/h
10th windiest
Solar energy
5.58 kWh/m²
Travel score
5.4
out of 10

Naha is capital city of Okinawa prefecture, Japan.

Density
7,945/km²
people per km²
Founded
1921

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 26°C in the first days to 28°C by the end.

A typical June day in Naha reaches about 27°C in the afternoon and slips back to 26°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 28°C. Set against its neighbours, June runs about 2°C warmer than May and about 2°C cooler than July.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12624
22624
32625
42625
52625
62625
72625
82625
92625
102625
112625
122725
132726
142726
152726
162726
172726
182726
192726
202726
212726
222726
232827
242827
252827
262827
272827
282827
292827
302827

How June really feels in Naha

Once humidity and wind are folded in, June averages 9 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
9
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in June is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Naha weather by month

How June compares with the rest of the year at a glance. June is the 4th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 17°10311.710.55.7
Feb19° / 17°9611.411.15.6
Mar20° / 18°12812.711.85.9
Apr22° / 20°15012.712.66.1
May24° / 23°20713.813.36.1
Jun27° / 26°21815.813.65.4
Jul29° / 27°12611.413.55.5
Aug29° / 27°17814.812.95.1
Sep28° / 27°19914.212.25.7
Oct26° / 25°14111.611.46.5
Nov24° / 22°10110.610.76.7
Dec21° / 19°11311.210.46.1

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in June, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 10% of June, with mostly cloudy or overcast conditions the remaining 74%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12773
22773
32773
42575
52476
62476
72377
82377
92179
102179
112179
122179
132080
142080
152080
162179
172179
182377
192476
202575
212674
222872
233070
243169
253367
263367
273565
283664
293862
303961

Chance of precipitation in June

Any precipitation

Naha gets around 218 mm of rain over 15.8 wet days in June, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 51% and peaks near 58% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
152
253
354
454
555
656
757
857
958
1058
1158
1258
1357
1457
1556
1655
1754
1853
1952
2051
2150
2248
2347
2445
2544
2642
2741
2840
2940
3039

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

Most of June feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, June lands in the miserable band about 67% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
128174529
217164431
316154433
415154336
514144238
614134141
703134044
802123847
902123749
1001113553
1101113355
1201103158
130092863
140082666
150082369
160072172
170071974
180061678
190051481
200051283
210041185
22003988
23002890
24002791
25001693
26001594
27001495
28000496
29000496
30000397

Wind in June

Winds average 23 km/h in June.

Across June, daily wind ranges from about 21 km/h on the calmest days to 24 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202530
Wind speed (km/h)Feels
121breezy
221breezy
321breezy
421breezy
521breezy
621breezy
722breezy
822breezy
922breezy
1022breezy
1122breezy
1223breezy
1323breezy
1423breezy
1523breezy
1623breezy
1723breezy
1824breezy
1924breezy
2024breezy
2124breezy
2224breezy
2324breezy
2424breezy
2524breezy
2624breezy
2724breezy
2824breezy
2924breezy
3024breezy

Sunrise & sunset in June

DaylightNight

Daylight runs from about 13 h 30 min at the start of June to 13 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over June. Sunrise moves from 5:41 AM to 5:44 AM, and sunset from 7:12 PM to 7:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:417:12
213.55:417:13
313.55:417:13
413.65:417:14
513.65:417:14
613.65:417:15
713.65:407:15
813.65:407:16
913.65:407:16
1013.65:407:16
1113.65:407:17
1213.65:407:17
1313.65:407:17
1413.65:407:18
1513.65:407:18
1613.65:417:18
1713.65:417:19
1813.65:417:19
1913.65:417:19
2013.65:417:20
2113.65:417:20
2213.65:417:20
2313.65:427:20
2413.65:427:20
2513.65:427:21
2613.65:427:21
2713.65:437:21
2813.65:437:21
2913.65:437:21
3013.65:447:21

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.58 kWh/m².

For context, solar energy here swings from a low near 2.39 kWh/m² to a high of 6.42 kWh/m² in July across the year — June's 5.58 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.3Bright
135.3Bright
145.4Bright
155.4Bright
165.5Bright
175.5Bright
185.6Bright
195.7Bright
205.8Bright
215.8Bright
225.9Bright
236.0Bright
246.1Intense
256.1Intense
266.2Intense
276.2Intense
286.3Intense
296.3Intense
306.3Intense
Planning a trip in June

Hazard calendar for Naha

In seasonPeak

In June, Naha sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Naha sits in the Pacific typhoon belt; the season peaks July–October.

Pacific typhoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is June a good time to visit Naha?

Our two travel scores rate June for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.4
Sightseeing
11th-best month of the year
5.5
Beach & pool
5th-best month of the year

June is a reasonable time to visit Naha for sightseeing.

What to pack for Naha in June

From June's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In June, Naha sees daytime highs around 27°C and nights near 26°C. Pack rain gear. Worth having: light clothes, sun protection and a windbreaker. About 16 days see rain.

rain gearlight clothessun protectiona windbreaker

Sea temperature near Naha in June

The nearest coast averages about 27°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 29°C and coldest in February near 22°C.

The water stays above 20°C all year — warm enough for a swim any month.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan23Refreshing
Feb22Refreshing
Mar22Refreshing
Apr23Refreshing
May25Warm
Jun27Warm
Jul29Tropical
Aug29Tropical
Sep28Tropical
Oct27Warm
Nov25Warm
Dec24Refreshing

UV index in Naha in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Naha peaks around July 11 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 5 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJul 11UV 11Dec 23UV 5
UV index (midday)Level
Jan5High
Feb7Very high
Mar9Very high
Apr8Very high
May10Very high
Jun11Extreme
Jul12Extreme
Aug11Extreme
Sep11Extreme
Oct8Very high
Nov7High
Dec5Moderate

Air quality in Naha in June

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where June falls, not just the annual average.

Air quality in Naha is worst in March — around 17 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (July, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMar 2017 µg/m³Jul 128 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb14Moderate
Mar17Moderate
Apr16Moderate
May13Moderate
Jun9Good
Jul8Good
Aug10Good
Sep9Good
Oct9Good
Nov10Good
Dec10Good
Location & terrain

Where is Naha?

Naha sits at 26.2°N, 127.7°E, 1 m above sea level, in Japan. The nearest listed city is Tomigusuku, 3.0 km away.

Topography around Naha

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Naha.

Within 3 km, the terrain around Naha has only modest variations in elevation — a maximum elevation change of 92 m around an average of 17 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 191 m; within 80 km, significant variations in elevation — a maximum elevation change of 492 m.

The land around Naha is covered by artificial surfaces (69%) and water (21%) within 3 km, water (65%) within 16 km, and water (92%) within 80 km.

3 km
92 m
16 km
191 m
80 km
492 m
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Tomigusuku 3.0 km · Kanegusuku 5.0 km · Urasoe 7.0 km · Yonabaru 7.0 km · Nishihara 8.0 km · Itoman 10 km · Ginowan 10 km · Nakagusuku 11 km

Japan travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
100 V · 50 / 60 Hz
Prices
≈ 65% of US
price level, 2025
GDP per capita
$35,951
2025
Happiness
6.1 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.2
per 100k, 2023
Road deaths
3.6
per 100k/yr, 2019
Income group
High
World Bank
English
Very low
EF EPI 446
Religion
Shintoism 49%Buddhism 46%other 4%Christianity 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Naha (26.213°, 127.6785°, elevation 1 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).