Chitose weather in May

In May, Chitose sees average daytime highs of 13°C and overnight lows near 8°C, with 95 mm of rain across 10.7 wet days and about 14.4 hours of daylight. It is the 6th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 11°C in the first days to 15°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 48 min at the start of May to 14 h 54 min by month's end. Set against the rest of the year, May is Chitose's 9th-clearest and 8th-windiest month. For the whole year in context, see Chitose's year-round climate.

Daytime high
13°
6th warmest
Overnight low
7th coldest
Rainfall
95 mm
10.7 wet days
Daylight
14 h 24 min
4:16 AM – 6:43 PM
Cloud cover
65%
9th clearest
Wind
12 km/h
8th windiest
Solar energy
5.37 kWh/m²
Travel score
3.6
out of 10

Chitose is city in Hokkaido, Japan.

Density
165/km²
people per km²
Founded
1958

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 11°C in the first days to 15°C by the end.

A typical May day in Chitose reaches about 13°C in the afternoon and slips back to 8°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 16°C. Set against its neighbours, May runs about 5°C warmer than April and about 4°C cooler than June.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1115
2115
3115
4116
5126
6126
7126
8126
9126
10127
11127
12127
13137
14137
15137
16138
17138
18138
19148
20148
21149
22149
23149
24149
25149
26149
271510
281510
291510
301510
311510

How May really feels in Chitose

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.

Chitose weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -7°366.379.20.0
Feb-0° / -7°346.26.710.30.0
Mar / -3°548.96.511.60.1
Apr / 7010.51.513.11.6
May13° / 9510.7014.43.6
Jun17° / 12°779.3015.15.3
Jul21° / 17°11611.9014.86.0
Aug23° / 19°16212.1013.76.3
Sep21° / 15°13712012.36.0
Oct15° / 919.70.110.84.7
Nov / 689.61.49.51.4
Dec / -4°548.16.88.90.0

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 15% of May, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24357
34159
44159
54159
64060
74060
84060
93961
103961
113961
124159
134159
144159
154159
164060
174060
184060
194159
204159
214060
224060
234060
244159
254159
264159
274060
284060
294060
304060
314060

Chance of precipitation in May

Any precipitation

Chitose gets around 95 mm of rain over 10.7 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 35% and peaks near 39% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
338
438
538
638
738
839
938
1038
1138
1237
1337
1436
1535
1635
1734
1834
1933
2032
2132
2231
2331
2431
2531
2631
2731
2831
2931
3031
3131

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 100% 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
211000
221000
231000
24991
25991
26991
27991
28982
29982
30973
31973

Wind in May

Winds average 12 km/h in May.

Across May, 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.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 48 min at the start of May to 14 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over May. Sunrise moves from 4:35 AM to 4:04 AM, and sunset from 6:26 PM to 6:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.84:356:26
213.94:346:27
313.94:326:28
414.04:316:30
514.04:306:31
614.14:286:32
714.14:276:33
814.14:266:34
914.24:246:35
1014.24:236:36
1114.34:226:37
1214.34:216:39
1314.34:206:40
1414.44:196:41
1514.44:176:42
1614.44:166:43
1714.54:156:44
1814.54:146:45
1914.54:136:46
2014.64:126:47
2114.64:126:48
2214.64:116:49
2314.74:106:50
2414.74:096:51
2514.74:086:52
2614.84:076:53
2714.84:076:54
2814.84:066:55
2914.84:056:56
3014.94:056:57
3114.94:046:57

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.37 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.65 kWh/m² to a high of 5.37 kWh/m² in May across the year — May's 5.37 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
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
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in May

Hazard calendar for Chitose

In seasonPeak

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

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

Chitose'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 Chitose?

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

3.6
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 Chitose.

What to pack for Chitose in May

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

In May, Chitose sees daytime highs around 13°C and nights near 8°C. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

Sea temperature near Chitose in May

The nearest coast averages about 8°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 22 km away) is warmest in August at about 20°C and coldest in March near 3°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°C)Comfort
Jan6Bracing
Feb4Bracing
Mar3Bracing
Apr5Bracing
May8Bracing
Jun13Bracing
Jul17Cool
Aug20Refreshing
Sep20Cool
Oct16Cool
Nov13Bracing
Dec10Bracing

UV index in Chitose in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Chitose peaks around August 18 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 19 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighVery highHighModerateLowAug 18UV 8Dec 19UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr6High
May7Very high
Jun6High
Jul5Moderate
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Chitose 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 Chitose is worst in April — around 19 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1119 µg/m³Dec 158 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb14Moderate
Mar19Moderate
Apr19Moderate
May18Moderate
Jun13Moderate
Jul12Good
Aug10Good
Sep9Good
Oct11Good
Nov9Good
Dec8Good
Location & terrain

Where is Chitose?

Chitose sits at 42.8°N, 141.7°E, 15 m above sea level, in Japan. The nearest listed city is Eniwa, 10 km away.

Topography around Chitose

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

Within 3 km, the terrain around Chitose has only modest variations in elevation — a maximum elevation change of 59 m around an average of 26 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 260 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,859 m.

The land around Chitose is covered by artificial surfaces (46%) and trees (36%) within 3 km, trees (58%) and cropland (22%) within 16 km, and trees (58%) and water (26%) within 80 km.

3 km
59 m
16 km
260 m
80 km
1,859 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Eniwa 10 km · Kitahiroshima 19 km · Tomakomai 21 km · Ebetsu 33 km · Sapporo 37 km · Shiraoi 39 km · Iwamizawa 43 km · Tōbetsu 46 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 Chitose (42.8194°, 141.6522°, elevation 15 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).