Hizume weather in May

In May, Hizume sees average daytime highs of 17°C and overnight lows near 8°C, with 103 mm of precipitation across 13 wet days and about 14.1 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 19°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 36 min at the start of May to 14 h 36 min by month's end. Set against the rest of the year, May is Hizume's 4th-clearest and 6th-windiest month. For the whole year in context, see Hizume's year-round climate.

Daytime high
17°
5th warmest
Overnight low
8th coldest
Precipitation
103 mm
13 wet days
Daylight
14 h 12 min
4:27 AM – 6:37 PM
Cloud cover
68%
4th clearest
Wind
9 km/h
6th windiest
Solar energy
5.17 kWh/m²
Travel score
5.1
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 16°C in the first days to 19°C by the end.

A typical May day in Hizume reaches about 17°C in the afternoon and slips back to 8°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 22°C. Set against its neighbours, May runs about 6°C warmer than April and about 4°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1156
2166
3166
4166
5167
6167
7167
8167
9177
10178
11178
12178
13178
14178
15178
16178
17189
18189
19189
20189
21189
22189
231810
241910
251910
261910
271910
281910
291910
301911
312011

How May really feels in Hizume

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.

Hizume weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-0° / -9°6512.114.79.50.0
Feb / -8°5911.212.210.40.0
Mar / -4°9514.511.611.70.3
Apr12° / 9813.93.4132.8
May17° / 103130.114.15.1
Jun21° / 13°11312.7014.75.7
Jul24° / 18°15916.1014.55.6
Aug26° / 19°13814.8013.65.8
Sep22° / 14°14113012.35.8
Oct16° / 11311.30.110.94.7
Nov / 7912.93.39.81.7
Dec / -5°7813.912.69.30.0

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%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24060
34060
43961
53862
63763
73763
83664
93664
103565
113565
123565
133565
143664
153664
163664
173664
183664
193763
203763
213862
223862
233862
243961
253862
263862
273862
283862
293862
303862
313862

Chance of precipitation in May

Any precipitationSnow

Hizume gets around 103 mm of rain and snow over 13 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 42% and peaks near 44% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1443
2433
3432
4432
5422
6421
7421
8421
9421
10420
11430
12430
13430
14430
15430
16430
17430
18430
19430
20430
21430
22420
23420
24410
25400
26400
27390
28390
29380
30380
31380

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 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19910
29910
39910
49910
59910
69910
79910
89910
99910
109820
119820
129820
139730
149730
159730
169640
179640
189550
199550
209460
219370
229370
239280
249190
2590100
2689110
2788120
2887130
2986140
3084160
3182171

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 36 min at the start of May to 14 h 36 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 4:43 AM to 4:16 AM, and sunset from 6:22 PM to 6:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.64:436:22
213.74:426:23
313.74:416:24
413.84:396:25
513.84:386:26
613.84:376:27
713.94:366:28
813.94:356:29
913.94:346:30
1014.04:336:31
1114.04:326:32
1214.04:306:33
1314.14:296:34
1414.14:286:35
1514.14:276:36
1614.24:276:37
1714.24:266:38
1814.24:256:38
1914.34:246:39
2014.34:236:40
2114.34:226:41
2214.34:226:42
2314.44:216:43
2414.44:206:44
2514.44:196:45
2614.44:196:46
2714.54:186:46
2814.54:186:47
2914.54:176:48
3014.54:166:49
3114.64:166:49

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.17 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.93 kWh/m² to a high of 5.17 kWh/m² in May across the year — May's 5.17 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
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.4Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in May

Is May a good time to visit Hizume?

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

5.1
Sightseeing
5th-best month of the year
1.5
Beach & pool
5th-best month of the year

May is a reasonable time to visit Hizume for sightseeing.

What to pack for Hizume in May

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

In May, Hizume sees daytime highs around 17°C and nights near 8°C. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

UV index in Hizume 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 Hizume peaks around August 19 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighVery highHighModerateLowAug 19UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun8Very high
Jul6High
Aug9Very high
Sep7Very high
Oct5Moderate
Nov2Moderate
Dec2Low

Air quality in Hizume 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 Hizume is worst in April — around 20 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1420 µg/m³Dec 1610 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar19Moderate
Apr20Moderate
May19Moderate
Jun14Moderate
Jul12Moderate
Aug11Good
Sep11Good
Oct12Good
Nov11Good
Dec9Good
Location & terrain

Where is Hizume?

Hizume sits at 39.5°N, 141.2°E, 102 m above sea level, in Japan. The nearest listed city is Yahaba, 7.0 km away.

Topography around Hizume

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

Within 3 km, the terrain around Hizume has only modest variations in elevation — a maximum elevation change of 130 m around an average of 111 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 860 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,987 m.

The land around Hizume is covered by cropland (48%), trees (25%) and artificial surfaces (22%) within 3 km, trees (68%) and cropland (21%) within 16 km, and trees (85%) within 80 km.

3 km
130 m
16 km
860 m
80 km
1,987 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Yahaba 7.0 km · Morioka 17 km · Hanamaki 19 km · Shizukuishi 22 km · Takizawa 28 km · Kitakami 30 km · Hachimantai 39 km · Kanegasaki 39 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 Hizume (39.55°, 141.1667°, elevation 102 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. 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).