Mitsukaidō weather in May

In May, Mitsukaidō sees average daytime highs of 23°C and overnight lows near 15°C, with 131 mm of rain across 12.4 wet days and about 13.9 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 24% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 24 min at the start of May to 14 h 12 min by month's end. Set against the rest of the year, May is Mitsukaidō's 10th-clearest and 3rd-windiest month. For the whole year in context, see Mitsukaidō's year-round climate.

Daytime high
23°
5th warmest
Overnight low
15°
8th coldest
Rainfall
131 mm
12.4 wet days
Daylight
13 h 54 min
4:39 AM – 6:33 PM
Cloud cover
68%
10th clearest
Wind
11 km/h
3rd windiest
Solar energy
5.12 kWh/m²
Travel score
6.3
out of 10

Mitsukaidō is city in Ibaraki Prefecture, Japan.

Density
333/km²
people per km²
Founded
1954

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 Mitsukaidō 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 18°C and 27°C. Set against its neighbours, May runs about 5°C warmer than April and about 3°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12112
22113
32113
42113
52213
62213
72213
82214
92214
102214
112214
122214
132214
142314
152315
162315
172315
182315
192315
202315
212315
222415
232416
242416
252416
262416
272416
282416
292416
302417
312417

How May really feels in Mitsukaidō

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.

Mitsukaidō 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 / 606.51.29.82.0
Feb10° / 587.21.710.62.3
Mar13° / 10611.60.911.73.7
Apr18° / 10°10611.30.112.95.6
May23° / 15°13112.4013.96.3
Jun26° / 19°15414.9014.45.5
Jul29° / 23°16315.4014.24.5
Aug31° / 24°12313.6013.44.2
Sep27° / 20°16713.9012.25.5
Oct21° / 14°18612.5011.16.2
Nov16° / 859.1010.15.3
Dec11° / 566.80.19.63.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% 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 (%)
14456
24456
34357
44258
54159
64159
74060
83961
93763
103862
113763
123664
133664
143664
153763
163664
173565
183664
193763
203664
213664
223664
233763
243664
253664
263664
273565
283466
293466
303367
313367

Chance of precipitation in May

Any precipitation

Mitsukaidō gets around 131 mm of rain over 12.4 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 39% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
236
336
436
536
637
737
837
938
1038
1138
1239
1339
1439
1540
1640
1740
1840
1940
2041
2141
2241
2341
2441
2541
2641
2740
2840
2940
3040
3140

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 44% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1692371
2682471
3662581
4652681
5632791
66028102
75929102
85730112
95531122
105432122
115333122
125034133
134935133
144836143
154637143
164438153
174239163
184139173
193940183
203740203
213541213
223441224
233241244
243040254
252940274
262740285
272639305
282439316
292338336
302138347
312037358

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
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 24 min at the start of May to 14 h 12 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 4:54 AM to 4:30 AM, and sunset from 6:21 PM to 6:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.44:546:21
213.54:536:21
313.54:526:22
413.54:516:23
513.64:506:24
613.64:486:25
713.64:476:26
813.74:466:27
913.74:456:27
1013.74:456:28
1113.84:446:29
1213.84:436:30
1313.84:426:31
1413.84:416:32
1513.94:406:33
1613.94:396:33
1713.94:386:34
1814.04:386:35
1914.04:376:36
2014.04:366:37
2114.04:366:37
2214.14:356:38
2314.14:346:39
2414.14:346:40
2514.14:336:40
2614.14:336:41
2714.24:326:42
2814.24:326:43
2914.24:316:43
3014.24:316:44
3114.24:306:45

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.12 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.36 kWh/m² to a high of 5.12 kWh/m² in May across the year — May's 5.12 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.1Bright
315.1Bright
Planning a trip in May

Hazard calendar for Mitsukaidō

In seasonPeak

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

Mitsukaidō 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 May a good time to visit Mitsukaidō?

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

6.3
Sightseeing
1st-best month of the year
4.7
Beach & pool
5th-best month of the year

May is a reasonable time to visit Mitsukaidō for sightseeing.

What to pack for Mitsukaidō in May

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

In May, Mitsukaidō sees daytime highs around 23°C and nights near 15°C. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

Sea temperature near Mitsukaidō 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 45 km away) is warmest in August at about 26°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 7 to Nov 3 — about 4.9 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr15Cool
May18Cool
Jun21Refreshing
Jul23Refreshing
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Mitsukaidō 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 Mitsukaidō peaks around July 21 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJul 21UV 10Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul10Very high
Aug10Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Mitsukaidō 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 Mitsukaidō is worst in March — around 25 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2425 µg/m³Dec 1914 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb18Moderate
Mar25Moderate
Apr25Moderate
May24Moderate
Jun19Moderate
Jul16Moderate
Aug15Moderate
Sep15Moderate
Oct16Moderate
Nov16Moderate
Dec14Moderate
Location & terrain

Where is Mitsukaidō?

Mitsukaidō sits at 36.0°N, 140.0°E, 23 m above sea level, in Japan. The nearest listed city is Jōsō, 3.0 km away.

Topography around Mitsukaidō

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

Within 3 km, the terrain around Mitsukaidō has only modest variations in elevation — a maximum elevation change of 33 m around an average of 14 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 50 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,387 m.

The land around Mitsukaidō is covered by cropland (48%) and artificial surfaces (27%) within 3 km, cropland (35%), artificial surfaces (32%) and trees (22%) within 16 km, and trees (33%), artificial surfaces (28%) and cropland (21%) within 80 km.

3 km
33 m
16 km
50 m
80 km
1,387 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Jōsō 3.0 km · Tsukubamirai 4.0 km · Iwai 8.0 km · Moriya 9.0 km · Ishige 11 km · Bandō 12 km · Noda 13 km · Tsukuba 14 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 Mitsukaidō (36.0167°, 139.9833°, elevation 23 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).