Ōmura weather in June

In June, Ōmura sees average daytime highs of 25°C and overnight lows near 21°C, with 381 mm of rain across 16 wet days and about 14.1 hours of daylight. It is the 4th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 26°C by the end. The sky is clear or mostly clear about 14% of the time in June, and the air most often feels muggy.

Daylight stretches from about 14 hours at the start of June to 14 h 12 min by month's end. Set against the rest of the year, June is Ōmura's 12th-clearest and 12th-windiest month. For the whole year in context, see Ōmura's year-round climate.

Daytime high
25°
4th warmest
Overnight low
21°
9th coldest
Rainfall
381 mm
16 wet days
Daylight
14 h 12 min
5:16 AM – 7:25 PM
Cloud cover
78%
12th clearest
Wind
10 km/h
12th windiest
Solar energy
4.42 kWh/m²
Travel score
5.6
out of 10

Ōmura is city in Nagasaki Prefecture, Japan.

Density
753/km²
people per km²
Founded
1942

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 24°C in the first days to 26°C by the end.

A typical June day in Ōmura reaches about 25°C in the afternoon and slips back to 21°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 27°C. Set against its neighbours, June runs about 3°C warmer than May and about 4°C cooler than July.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12319
22319
32419
42419
52420
62420
72420
82420
92420
102420
112420
122420
132421
142421
152421
162421
172521
182521
192521
202521
212522
222522
232522
242522
252522
262522
272522
282622
292623
302623

How June really feels in Ōmura

Once humidity and wind are folded in, June averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

June sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Ōmura 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 daysSnow daysDaylight (hours)Travel score
Jan / 657.90.510.12.1
Feb10° / 838.40.310.82.4
Mar13° / 13111011.73.7
Apr18° / 13°15010.8012.85.5
May22° / 17°17310.6013.76.4
Jun25° / 21°38116014.15.6
Jul28° / 25°309170144.9
Aug30° / 26°17915013.24.7
Sep27° / 23°18811.5012.26.3
Oct22° / 18°1107011.27.3
Nov17° / 13°947.7010.35.8
Dec12° / 767.709.93.3

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% 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 75%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13763
23763
33664
43565
53466
63367
73367
83070
93070
102872
112872
122674
132575
142575
152377
162278
172278
182179
192080
201981
211981
221882
231882
241783
251684
261684
271684
281783
291783
301882

Chance of precipitation in June

Any precipitation

Ōmura gets around 381 mm of rain over 16 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 53% and peaks near 71% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
136
236
337
438
538
639
740
841
942
1044
1145
1246
1348
1450
1552
1653
1755
1857
1959
2061
2162
2264
2366
2467
2568
2669
2770
2871
2971
3071

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the muggy band about 43% of days. Sticky, muggy-or-worse air turns up on roughly 70% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1420472720
2318462930
3316453230
4215443540
5213433750
6112413960
7110394270
819384480
9183646100
10063448110
11053251120
12042952141
13042752161
14032553181
15032353201
16022154221
17021953251
18021753271
19021551302
20021450322
21011249353
22011147383
2301945404
2401843435
2501741456
2601638478
2701536499
28014335111
29014315113
30013285315

Wind in June

Winds average 10 km/h in June, the calmest month.

Across June, daily wind ranges from about 9 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2812calm
2912calm
3012calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 hours at the start of June to 14 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over June. Sunrise moves from 5:18 AM to 5:19 AM, and sunset from 7:18 PM to 7:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:187:18
214.05:177:19
314.05:177:19
414.05:177:20
514.15:167:20
614.15:167:21
714.15:167:21
814.15:167:22
914.15:167:22
1014.15:167:23
1114.15:167:23
1214.15:167:24
1314.15:167:24
1414.15:167:24
1514.25:167:25
1614.25:167:25
1714.25:167:26
1814.25:167:26
1914.25:167:26
2014.25:167:26
2114.25:167:27
2214.25:167:27
2314.25:177:27
2414.25:177:27
2514.25:177:27
2614.25:177:28
2714.25:187:28
2814.25:187:28
2914.25:187:28
3014.25:197:28

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.42 kWh/m².

For context, solar energy here swings from a low near 2.15 kWh/m² to a high of 5.31 kWh/m² in May across the year — June's 4.42 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.1Bright
45.1Bright
55.0Bright
65.0Bright
75.0Bright
84.9Bright
94.8Bright
104.8Bright
114.7Bright
124.7Bright
134.6Bright
144.5Bright
154.5Bright
164.4Bright
174.3Bright
184.3Bright
194.2Bright
204.2Bright
214.1Bright
224.1Bright
234.0Bright
244.0Moderate
254.0Moderate
263.9Moderate
273.9Moderate
283.9Moderate
293.9Moderate
303.9Moderate
Planning a trip in June

Hazard calendar for Ōmura

In seasonPeak

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

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

Ōmura's rainy season runs May–September, when most of the year's rain falls.

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

Is June a good time to visit Ōmura?

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

5.6
Sightseeing
5th-best month of the year
4.9
Beach & pool
5th-best month of the year

June is a reasonable time to visit Ōmura for sightseeing.

What to pack for Ōmura in June

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

In June, Ōmura sees daytime highs around 25°C and nights near 21°C. Pack rain gear. Worth having: light clothes. About 16 days see rain.

rain gearlight clothes

Sea temperature near Ōmura in June

The nearest coast averages about 22°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 31 km away) is warmest in August at about 27°C and coldest in February near 15°C.

It's comfortable for a long swim from May 27 to Nov 29 — about 6.1 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar16Cool
Apr17Cool
May19Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct24Refreshing
Nov21Refreshing
Dec19Cool

UV index in Ōmura in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ōmura peaks around July 16 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highModerateJul 16UV 10Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr8Very high
May8Very high
Jun9Very high
Jul10Extreme
Aug9Very high
Sep9Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Ōmura 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 Ōmura is worst in April — around 24 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateGoodModerateApr 1324 µg/m³Oct 1212 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb19Moderate
Mar23Moderate
Apr24Moderate
May21Moderate
Jun17Moderate
Jul12Good
Aug12Moderate
Sep12Good
Oct11Good
Nov14Moderate
Dec13Moderate
Location & terrain

Where is Ōmura?

Ōmura sits at 32.9°N, 130.0°E, 17 m above sea level, in Japan. The nearest listed city is Isahaya, 12 km away.

Topography around Ōmura

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

Within 3 km, the terrain around Ōmura has only modest variations in elevation — a maximum elevation change of 229 m around an average of 33 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,058 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,406 m.

The land around Ōmura is covered by artificial surfaces (48%) and water (24%) within 3 km, trees (52%) and water (32%) within 16 km, and water (55%) and trees (32%) within 80 km.

3 km
229 m
16 km
1,058 m
80 km
1,406 m
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Isahaya 12 km · Obita 13 km · Togitsu 14 km · Nagasaki 20 km · Ureshinomachi-shimojuku 22 km · Kashima 24 km · Saikai 26 km · Arita 30 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 Ōmura (32.9214°, 129.9539°, elevation 17 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).