Ami weather in May

In May, Ami sees average daytime highs of 23°C and overnight lows near 15°C, with 129 mm of rain across 12 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 23% 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 Ami's 10th-clearest and 3rd-windiest month. For the whole year in context, see Ami's year-round climate.

Daytime high
23°
5th warmest
Overnight low
15°
7th coldest
Rainfall
129 mm
12 wet days
Daylight
13 h 54 min
4:38 AM – 6:33 PM
Cloud cover
69%
10th clearest
Wind
11 km/h
3rd windiest
Solar energy
5.27 kWh/m²
Travel score
6.3
out of 10

Ami is town in Inashiki district, Ibaraki prefecture, Japan.

Density
680/km²
people per km²
Founded
1945

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 Ami 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 4°C warmer than April and about 3°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12113
22113
32113
42113
52213
62214
72214
82214
92214
102214
112214
122214
132214
142315
152315
162315
172315
182315
192315
202315
212316
222316
232416
242416
252416
262416
272416
282416
292417
302417
312417

How May really feels in Ami

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.

Ami 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 / 667.31.19.82.1
Feb10° / 647.91.710.62.3
Mar13° / 11312.40.711.73.6
Apr18° / 10°10812.3012.95.5
May23° / 15°12912013.96.3
Jun26° / 19°15014.4014.45.6
Jul29° / 23°15814.8014.24.5
Aug31° / 24°11912.9013.44.2
Sep27° / 21°16914.2012.25.5
Oct21° / 15°19112.6011.16.1
Nov16° / 919.8010.15.2
Dec11° / 628.10.19.63.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% 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 64%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24258
34258
44159
54159
64060
73961
83763
93862
103763
113664
123664
133664
143565
153565
163565
173565
183565
193565
203466
213466
223466
233565
243466
253466
263367
273367
283367
293169
303169
313070

Chance of precipitation in May

Any precipitation

Ami gets around 129 mm of rain over 12 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 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
336
436
537
637
737
837
937
1037
1138
1238
1338
1438
1539
1639
1739
1839
1939
2039
2139
2239
2339
2439
2539
2639
2739
2839
2939
3039
3139

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 (%)
1702361
2682471
3662671
4642781
5622891
6622891
76029101
85730112
95631112
105432122
115333122
125134132
135035132
144836142
154637142
164438152
174239163
184139173
193940183
203740203
213541214
223341224
233141244
243041254
252840275
262640285
272540306
282339316
292239337
302038348
311837369

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 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
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 4:53 AM to 4:29 AM, and sunset from 6:20 PM to 6:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.44:536:20
213.54:526:21
313.54:516:22
413.54:506:22
513.64:496:23
613.64:486:24
713.64:476:25
813.74:466:26
913.74:456:27
1013.74:446:28
1113.84:436:28
1213.84:426:29
1313.84:416:30
1413.84:406:31
1513.94:396:32
1613.94:386:33
1713.94:386:33
1814.04:376:34
1914.04:366:35
2014.04:356:36
2114.04:356:37
2214.14:346:37
2314.14:336:38
2414.14:336:39
2514.14:326:40
2614.14:326:40
2714.24:316:41
2814.24:316:42
2914.24:306:43
3014.24:306:43
3114.24:296:44

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.27 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.35 kWh/m² to a high of 5.27 kWh/m² in May across the year — May's 5.27 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
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in May

Hazard calendar for Ami

In seasonPeak

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

Ami 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 Ami?

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 Ami for sightseeing.

What to pack for Ami in May

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

In May, Ami 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 Ami in May

The nearest coast averages about 17°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 40 km away) is warmest in August at about 24°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 23 to Oct 28 — about 4.2 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb13Bracing
Mar13Bracing
Apr15Bracing
May17Cool
Jun20Cool
Jul22Refreshing
Aug24Warm
Sep23Refreshing
Oct21Refreshing
Nov19Cool
Dec16Cool

UV index in Ami 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 Ami 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 Ami 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 Ami 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 Ami?

Ami sits at 36.0°N, 140.2°E, 30 m above sea level, in Japan. The nearest listed city is Naka, 4.0 km away.

Topography around Ami

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

Within 3 km, the terrain around Ami has only modest variations in elevation — a maximum elevation change of 44 m around an average of 23 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 439 m; within 80 km, large variations in elevation — a maximum elevation change of 840 m.

The land around Ami is covered by artificial surfaces (49%) and trees (25%) within 3 km, trees (33%), cropland (27%) and artificial surfaces (24%) within 16 km, and trees (28%), water (25%) and artificial surfaces (24%) within 80 km.

3 km
44 m
16 km
439 m
80 km
840 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Naka 4.0 km · Tsuchiura 6.0 km · Tsukuba 9.0 km · Ushiku 10 km · Kasumigaura 14 km · Edosaki 14 km · Inashiki 14 km · Ryūgasaki 15 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 Ami (36.0333°, 140.2°, elevation 30 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).