Hokuto weather in May

In May, Hokuto sees average daytime highs of 11°C and overnight lows near 8°C, with 119 mm of rain across 11.6 wet days and about 14.3 hours of daylight. It is the 6th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 9°C in the first days to 14°C by the end. The sky is clear or mostly clear about 30% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 48 min at the start of May to 14 h 48 min by month's end. Set against the rest of the year, May is Hokuto's 5th-clearest and 9th-windiest month. For the whole year in context, see Hokuto's year-round climate.

Daytime high
11°
6th warmest
Overnight low
7th coldest
Rainfall
119 mm
11.6 wet days
Daylight
14 h 24 min
4:23 AM – 6:44 PM
Cloud cover
63%
5th clearest
Wind
15 km/h
9th windiest
Solar energy
5.44 kWh/m²
Travel score
2.8
out of 10

Hokuto is city in Hokkaidō, Japan.

Density
116/km²
people per km²
Founded
2006

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 9°C in the first days to 14°C by the end.

A typical May day in Hokuto reaches about 11°C in the afternoon and slips back to 8°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 15°C. Set against its neighbours, May runs about 5°C warmer than April and about 5°C cooler than June.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
195
295
395
495
595
695
7105
8106
9106
10106
11106
12106
13117
14117
15117
16117
17128
18128
19128
20129
21139
22139
23139
24139
251310
261310
271410
281410
291410
301411
311411

How May really feels in Hokuto

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.

Hokuto weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -4°529.29.39.30.0
Feb-0° / -4°527.97.210.30.0
Mar / -1°669.65.911.70.0
Apr / 839.81.313.10.7
May11° / 11911.6014.32.8
Jun16° / 13°12111.60154.6
Jul20° / 17°17814.9014.75.4
Aug22° / 20°20614.8013.75.8
Sep21° / 18°18512.8012.35.8
Oct14° / 11°11411.4010.94.2
Nov / 87111.69.61.0
Dec / -1°7110.57.590.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24852
34753
44654
54654
64555
74456
84456
94258
104258
114258
124258
134159
144159
154159
164159
174159
184159
194060
204159
214159
224258
234159
244159
254258
264258
274357
284357
294357
304357
314357

Chance of precipitation in May

Any precipitation

Hokuto gets around 119 mm of rain over 11.6 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 37% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
236
337
437
537
638
738
839
939
1039
1139
1240
1340
1439
1539
1639
1739
1839
1938
2038
2137
2237
2336
2436
2536
2635
2735
2835
2934
3034
3134

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
21991
22991
23991
24991
25991
26991
27982
28982
29982
30973
31964

Wind in May

Winds average 15 km/h in May.

Across May, daily wind ranges from about 14 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 48 min at the start of May to 14 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over May. Sunrise moves from 4:41 AM to 4:11 AM, and sunset from 6:28 PM to 6:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.84:416:28
213.84:406:29
313.94:386:30
413.94:376:31
513.94:366:33
614.04:356:34
714.04:336:35
814.14:326:36
914.14:316:37
1014.14:306:38
1114.24:286:39
1214.24:276:40
1314.24:266:41
1414.34:256:42
1514.34:246:43
1614.44:236:44
1714.44:226:45
1814.44:216:46
1914.54:206:47
2014.54:196:48
2114.54:186:49
2214.54:186:50
2314.64:176:51
2414.64:166:52
2514.64:156:53
2614.74:156:54
2714.74:146:55
2814.74:136:56
2914.74:136:57
3014.84:126:57
3114.84:116:58

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.44 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.68 kWh/m² to a high of 5.44 kWh/m² in May across the year — May's 5.44 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in May

Hazard calendar for Hokuto

In seasonPeak

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

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

Hokuto'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 May a good time to visit Hokuto?

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

2.8
Sightseeing
6th-best month of the year
0.0
Beach & pool
6th-best month of the year

May is a weaker month for outdoor sightseeing in Hokuto.

What to pack for Hokuto in May

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

In May, Hokuto sees daytime highs around 11°C and nights near 8°C. Pack a warm layer. Worth having: rain gear and sun protection. About 12 days see rain.

a warm layerrain gearsun protection

Sea temperature near Hokuto in May

The nearest coast averages about 11°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 21 km away) is warmest in August at about 23°C and coldest in February near 8°C.

It's comfortable for a long swim from Jul 26 to Oct 7 — about 2.4 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan10Bracing
Feb8Bracing
Mar8Bracing
Apr9Bracing
May11Bracing
Jun15Bracing
Jul19Cool
Aug23Refreshing
Sep22Refreshing
Oct19Cool
Nov15Cool
Dec13Bracing

UV index in Hokuto 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 Hokuto peaks around August 18 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighVery highHighModerateLowAug 18UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr5High
May8Very high
Jun7High
Jul5Moderate
Aug9Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Hokuto 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 Hokuto is worst in April — around 17 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (December, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1216 µg/m³Dec 177 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb11Good
Mar16Moderate
Apr17Moderate
May14Moderate
Jun9Good
Jul8Good
Aug8Good
Sep8Good
Oct9Good
Nov8Good
Dec6Good
Location & terrain

Where is Hokuto?

Hokuto sits at 41.8°N, 140.6°E, 11 m above sea level, in Japan. The nearest listed city is Kamiiso, 1.0 km away.

Topography around Hokuto

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

Within 3 km, the terrain around Hokuto has only modest variations in elevation — a maximum elevation change of 135 m around an average of 17 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 984 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,254 m.

The land around Hokuto is covered by water (38%), cropland (22%) and trees (21%) within 3 km, trees (53%) and water (27%) within 16 km, and water (64%) and trees (33%) within 80 km.

3 km
135 m
16 km
984 m
80 km
1,254 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Kamiiso 1.0 km · Hakodate 10 km · Honchō 10 km · Yakumo 57 km · Muroran 63 km · Date 75 km · Mutsu 76 km · Noboribetsu 84 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 Hokuto (41.8163°, 140.6347°, elevation 11 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).