Mine weather in May

In May, Mine sees average daytime highs of 23°C and overnight lows near 15°C, with 140 mm of rain across 10.3 wet days and about 13.8 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 22°C in the first days to 25°C by the end. The sky is clear or mostly clear about 32% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 18 min at the start of May to 14 h 06 min by month's end. Set against the rest of the year, May is Mine's 5th-clearest and 6th-windiest month. For the whole year in context, see Mine's year-round climate.

Daytime high
23°
5th warmest
Overnight low
15°
7th coldest
Rainfall
140 mm
10.3 wet days
Daylight
13 h 48 min
5:18 AM – 7:05 PM
Cloud cover
61%
5th clearest
Wind
11 km/h
6th windiest
Solar energy
5.65 kWh/m²
Travel score
6.8
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 22°C in the first days to 25°C by the end.

A typical May day in Mine reaches about 23°C in the afternoon and slips back to 15°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 27°C. Set against its neighbours, May runs about 4°C warmer than April and about 3°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12213
22213
32213
42214
52214
62214
72214
82214
92314
102314
112314
122314
132315
142315
152315
162315
172315
182415
192415
202415
212415
222416
232416
242416
252416
262416
272416
282516
292517
302517
312517

How May really feels in Mine

Once humidity and wind are folded in, May 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

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

Mine weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan10° / 6810.71.6102.0
Feb11° / 7010.31.310.72.4
Mar14° / 11611.80.311.74.0
Apr19° / 11°12310.3012.86.0
May23° / 15°14010.3013.86.8
Jun26° / 19°23513.8014.25.7
Jul30° / 24°27115.30144.2
Aug32° / 25°16812.7013.33.9
Sep28° / 21°17411.8012.25.7
Oct23° / 15°927.9011.17.2
Nov17° / 10°848.5010.25.7
Dec12° / 7010.50.59.83.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 57%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24753
34753
44753
54555
64555
74456
84456
94357
104357
114258
124258
134258
144258
154357
164258
174258
184258
194357
204357
214357
224258
234357
244357
254357
264258
274258
284258
294159
304060
313961

Chance of precipitation in May

Any precipitation

Mine gets around 140 mm of rain over 10.3 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 33% and peaks near 33% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
133
233
333
433
533
633
733
833
933
1033
1133
1233
1333
1433
1532
1632
1732
1832
1932
2032
2132
2232
2333
2433
2533
2632
2732
2833
2933
3033
3133

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 48% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
16623920
26524920
36524920
463251020
562261020
661261030
760271030
859271130
958281130
1057281140
1156291140
1255301140
1355301140
1454311140
1552321240
1651331240
1749341340
1847351440
1946351540
2044361640
2142361750
2240361950
2339362050
2437372150
2535372350
2633372560
2731362660
2829362870
2927362980
3025353190
31233532101

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 18 min at the start of May to 14 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over May. Sunrise moves from 5:32 AM to 5:10 AM, and sunset from 6:53 PM to 7:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:326:53
213.45:316:54
313.45:306:54
413.45:296:55
513.55:286:56
613.55:276:57
713.55:266:58
813.65:256:58
913.65:246:59
1013.65:237:00
1113.65:227:01
1213.75:217:02
1313.75:207:02
1413.75:207:03
1513.75:197:04
1613.85:187:05
1713.85:177:05
1813.85:177:06
1913.85:167:07
2013.95:157:08
2113.95:157:08
2213.95:147:09
2313.95:147:10
2414.05:137:11
2514.05:127:11
2614.05:127:12
2714.05:117:13
2814.05:117:13
2914.15:117:14
3014.15:107:15
3114.15:107:15

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.65 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.12 kWh/m² to a high of 5.65 kWh/m² in May across the year — May's 5.65 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.8Bright
235.8Bright
245.8Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in May

Hazard calendar for Mine

In seasonPeak

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

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

Mine's rainy season runs April–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 May a good time to visit Mine?

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

6.8
Sightseeing
2nd-best month of the year
5.3
Beach & pool
6th-best month of the year

May is a reasonable time to visit Mine for sightseeing.

What to pack for Mine in May

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

In May, Mine sees daytime highs around 23°C and nights near 15°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Mine in May

The nearest coast averages about 18°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 32 km away) is warmest in August at about 27°C and coldest in February near 14°C.

It's comfortable for a long swim from Jun 7 to Nov 20 — about 5.5 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb14Bracing
Mar14Bracing
Apr15Cool
May18Cool
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov20Refreshing
Dec18Cool

UV index in Mine in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mine peaks around June 20 at about 10 (very high) — 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 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJun 20UV 10Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr8Very high
May8Very high
Jun10Very high
Jul9Very high
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Mine in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Mine is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateApr 1023 µg/m³Oct 1111 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb19Moderate
Mar23Moderate
Apr23Moderate
May20Moderate
Jun16Moderate
Jul13Moderate
Aug15Moderate
Sep11Good
Oct11Good
Nov13Moderate
Dec12Moderate
Location & terrain

Where is Mine?

Mine sits at 34.2°N, 131.2°E, 123 m above sea level, in Japan. The nearest listed city is Sanyōonoda, 18 km away.

Topography around Mine

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

Within 3 km, the terrain around Mine has significant variations in elevation — a maximum elevation change of 374 m around an average of 153 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 680 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,286 m.

The land around Mine is covered by trees (65%) within 3 km, trees (87%) within 16 km, and water (54%) and trees (38%) within 80 km.

3 km
374 m
16 km
680 m
80 km
1,286 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Sanyōonoda 18 km · Ogōri-shimogō 19 km · Onoda 21 km · Nagato 22 km · Yamaguchi 23 km · Ube 27 km · Hagi 30 km · Hōfu 36 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 Mine (34.1868°, 131.2162°, elevation 123 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).