Saiki weather in June

In June, Saiki sees average daytime highs of 25°C and overnight lows near 21°C, with 297 mm of rain across 15.5 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 23°C in the first days to 26°C by the end. The sky is clear or mostly clear about 13% 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 Saiki's 12th-clearest and 12th-windiest month. For the whole year in context, see Saiki's year-round climate.

Daytime high
25°
4th warmest
Overnight low
21°
9th coldest
Rainfall
297 mm
15.5 wet days
Daylight
14 h 12 min
5:08 AM – 7:17 PM
Cloud cover
79%
12th clearest
Wind
12 km/h
12th windiest
Solar energy
4.76 kWh/m²
Travel score
5.6
out of 10

Saiki is city in Ōita Prefecture, Japan.

Density
74/km²
people per km²
Founded
2005

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 23°C in the first days to 26°C by the end.

A typical June day in Saiki 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
122421
132421
142421
152521
162521
172521
182521
192521
202522
212522
222522
232622
242622
252622
262622
272623
282623
292623
302723

How June really feels in Saiki

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.

Saiki 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
Jan11° / 626.710.12.8
Feb11° / 717.910.83.0
Mar14° / 11010.611.74.2
Apr18° / 13°12910.312.85.9
May22° / 17°15110.413.76.5
Jun25° / 21°29715.514.15.6
Jul28° / 25°19814.1145.2
Aug29° / 26°16614.713.24.8
Sep27° / 23°21513.612.26.0
Oct22° / 18°161911.27.1
Nov18° / 13°907.710.36.1
Dec13° / 6879.94.0

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% 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 76%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13367
23268
33169
43169
53070
62971
72773
82773
92773
102575
112575
122674
132476
142476
152476
162377
172278
182179
192179
202179
212080
221981
231882
241882
251882
261981
271882
281882
291882
301981

Chance of precipitation in June

Any precipitation

Saiki gets around 297 mm of rain over 15.5 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 52% and peaks near 62% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
137
238
339
439
540
641
742
843
944
1045
1146
1248
1349
1451
1552
1653
1755
1856
1957
2058
2159
2260
2361
2461
2562
2662
2762
2862
2962
3061

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 71% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1619423120
2518413330
3416413530
4315403840
5313394050
6212384260
7210374370
819354590
9183447100
10173249120
11163050130
12052852150
13042653170
14042453190
15032353210
16032153230
17021953260
18021852280
19021650311
20011549341
21011348361
22011246392
23011144422
2401942453
2501840474
2600738495
2700636526
2800533548
2900531559
30004285711

Wind in June

Winds average 12 km/h in June, the calmest month.

Across June, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze

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 5:10 AM to 5:11 AM, and sunset from 7:10 PM to 7:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:107:10
214.05:097:11
314.05:097:11
414.15:097:12
514.15:097:12
614.15:087:13
714.15:087:14
814.15:087:14
914.15:087:15
1014.15:087:15
1114.15:087:15
1214.15:087:16
1314.15:087:16
1414.15:087:17
1514.25:087:17
1614.25:087:17
1714.25:087:18
1814.25:087:18
1914.25:087:18
2014.25:087:19
2114.25:087:19
2214.25:097:19
2314.25:097:19
2414.25:097:20
2514.25:097:20
2614.25:107:20
2714.25:107:20
2814.25:107:20
2914.25:117:20
3014.25:117:20

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.76 kWh/m².

For context, solar energy here swings from a low near 2.52 kWh/m² to a high of 5.54 kWh/m² in May across the year — June's 4.76 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.2Bright
55.2Bright
65.1Bright
75.1Bright
85.0Bright
95.0Bright
105.0Bright
114.9Bright
124.9Bright
134.8Bright
144.8Bright
154.8Bright
164.7Bright
174.7Bright
184.7Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
Planning a trip in June

Hazard calendar for Saiki

In seasonPeak

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

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

Saiki's rainy season runs May–October, 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 Saiki?

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

5.6
Sightseeing
6th-best month of the year
5.0
Beach & pool
5th-best month of the year

June is a reasonable time to visit Saiki for sightseeing.

What to pack for Saiki in June

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

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

rain gearlight clothessun protection

Sea temperature near Saiki in June

The nearest coast averages about 23°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 23 km away) is warmest in August at about 27°C and coldest in February near 17°C.

It's comfortable for a long swim from May 11 to Dec 14 — about 7.2 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan18Cool
Feb17Cool
Mar17Cool
Apr18Cool
May20Refreshing
Jun23Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct24Warm
Nov22Refreshing
Dec20Cool

UV index in Saiki 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 Saiki peaks around June 22 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJun 22UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr8Very high
May8Very high
Jun11Extreme
Jul10Extreme
Aug10Very high
Sep10Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Saiki 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 Saiki is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodGoodApr 1523 µg/m³Oct 1611 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb17Moderate
Mar22Moderate
Apr23Moderate
May22Moderate
Jun19Moderate
Jul16Moderate
Aug16Moderate
Sep12Moderate
Oct11Good
Nov12Moderate
Dec12Good
Location & terrain

Where is Saiki?

Saiki sits at 33.0°N, 131.9°E, 3 m above sea level, in Japan. The nearest listed city is Tsukumiura, 14 km away.

Topography around Saiki

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

Within 3 km, the terrain around Saiki has significant variations in elevation — a maximum elevation change of 300 m around an average of 44 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 716 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,758 m.

The land around Saiki is covered by trees (47%) and artificial surfaces (27%) within 3 km, trees (64%) and water (30%) within 16 km, and water (50%) and trees (45%) within 80 km.

3 km
300 m
16 km
716 m
80 km
1,758 m
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Tsukumiura 14 km · Usuki 21 km · Mie 30 km · Tsurusaki 38 km · Ōita 42 km · Nobeoka 46 km · Takedamachi 47 km · Beppu 52 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 Saiki (32.95°, 131.9°, elevation 3 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).