Tsukawaki weather in May

In May, Tsukawaki sees average daytime highs of 23°C and overnight lows near 13°C, with 151 mm of rain across 12.1 wet days and about 13.7 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 24°C by the end. The sky is clear or mostly clear about 26% 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 hours by month's end. Set against the rest of the year, May is Tsukawaki's 10th-clearest and 6th-windiest month. For the whole year in context, see Tsukawaki's year-round climate.

Daytime high
23°
5th warmest
Overnight low
13°
8th coldest
Rainfall
151 mm
12.1 wet days
Daylight
13 h 42 min
5:20 AM – 7:03 PM
Cloud cover
67%
10th clearest
Wind
8 km/h
6th windiest
Solar energy
5.3 kWh/m²
Travel score
6.3
out of 10

Tsukawaki is settlement in Japan.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 21°C in the first days to 24°C by the end.

A typical May day in Tsukawaki reaches about 23°C in the afternoon and slips back to 13°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 26°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)
12111
22111
32111
42112
52212
62212
72212
82212
92212
102212
112213
122213
132213
142213
152313
162313
172313
182313
192313
202314
212314
222314
232314
242314
252314
262314
272415
282415
292415
302415
312415

How May really feels in Tsukawaki

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.

Tsukawaki 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
Jan / -0°688.53101.2
Feb / 809.42.410.81.8
Mar13° / 12312.71.211.73.5
Apr18° / 13411.70.112.85.6
May23° / 13°15112.1013.76.3
Jun25° / 18°31717.4014.25.3
Jul29° / 22°23117.60144.4
Aug30° / 22°16716013.24.3
Sep26° / 19°19714.6012.25.8
Oct21° / 12°1259011.26.7
Nov16° / 818.40.110.35.0
Dec10° / 668.31.39.82.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 11% of May, with mostly cloudy or overcast conditions the remaining 63%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24159
34159
44060
54060
63862
73862
83862
93862
103763
113664
123664
133763
143763
153862
163763
173763
183763
193862
203763
213664
223763
233664
243664
253565
263565
273466
283466
293367
303169
313169

Chance of precipitation in May

Any precipitation

Tsukawaki gets around 151 mm of rain over 12.1 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 38% and peaks near 42% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
337
437
537
638
738
838
938
1038
1138
1238
1338
1438
1538
1638
1738
1838
1938
2038
2138
2239
2339
2439
2539
2640
2740
2840
2941
3041
3142

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 61% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1751681
2731791
3731791
47118101
57118101
67018102
76819112
86819112
96819112
106819112
116819112
126520123
136520123
146520123
156421123
166421123
176322123
186223123
196223123
206024133
215925133
225826133
235627143
245428153
255329153
265030164
274831174
284632184
294333205
304133215
313834226

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

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

Days grow by about 42 minutes over May. Sunrise moves from 5:33 AM to 5:12 AM, and sunset from 6:52 PM to 7:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:336:52
213.35:326:52
313.45:316:53
413.45:306:54
513.45:296:55
613.45:296:55
713.55:286:56
813.55:276:57
913.55:266:58
1013.65:256:59
1113.65:246:59
1213.65:237:00
1313.65:227:01
1413.75:227:02
1513.75:217:02
1613.75:207:03
1713.75:207:04
1813.85:197:04
1913.85:187:05
2013.85:187:06
2113.85:177:07
2213.95:167:07
2313.95:167:08
2413.95:157:09
2513.95:157:09
2613.95:147:10
2714.05:147:11
2814.05:137:11
2914.05:137:12
3014.05:137:13
3114.05:127:13

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.3 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.34 kWh/m² to a high of 5.3 kWh/m² in May across the year — May's 5.3 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.2Bright
295.2Bright
305.2Bright
315.1Bright
Planning a trip in May

Hazard calendar for Tsukawaki

In seasonPeak

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

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

Tsukawaki'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 May a good time to visit Tsukawaki?

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

6.3
Sightseeing
2nd-best month of the year
4.7
Beach & pool
5th-best month of the year

May is a reasonable time to visit Tsukawaki for sightseeing.

What to pack for Tsukawaki in May

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

In May, Tsukawaki sees daytime highs around 23°C and nights near 13°C. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

Sea temperature near Tsukawaki 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 39 km away) is warmest in August at about 27°C and coldest in February near 12°C.

It's comfortable for a long swim from Jun 6 to Nov 9 — about 5.2 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb12Bracing
Mar12Bracing
Apr14Bracing
May18Cool
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov19Cool
Dec16Cool

UV index in Tsukawaki in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tsukawaki peaks around June 21 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 highExtremeVery highModerateJun 21UV 10Dec 20UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr8Very high
May8Very high
Jun10Extreme
Jul10Very high
Aug10Very high
Sep10Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Tsukawaki 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 Tsukawaki is worst in March — around 30 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (September, 14 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1829 µg/m³Sep 2214 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar30Moderate
Apr24Moderate
May22Moderate
Jun19Moderate
Jul14Moderate
Aug15Moderate
Sep14Moderate
Oct14Moderate
Nov15Moderate
Dec14Moderate
Location & terrain

Where is Tsukawaki?

Tsukawaki sits at 33.3°N, 131.2°E, 336 m above sea level, in Japan. The nearest listed city is Hita, 21 km away.

Topography around Tsukawaki

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

Within 3 km, the terrain around Tsukawaki has significant variations in elevation — a maximum elevation change of 495 m around an average of 408 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,384 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,799 m.

The land around Tsukawaki is covered by trees (54%) and cropland (24%) within 3 km, trees (86%) within 16 km, and trees (58%) and water (23%) within 80 km.

3 km
495 m
16 km
1,384 m
80 km
1,799 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Hita 21 km · Yufu 23 km · Beppu 32 km · Yokkaichi 33 km · Nakatsu 36 km · Hiji 36 km · Buzen 37 km · Aso 38 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 Tsukawaki (33.2767°, 131.1563°, elevation 336 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).