Ami weather in January

In January, Ami sees average daytime highs of 9°C and overnight lows near 1°C, with 66 mm of precipitation across 7.3 wet days and about 9.8 hours of daylight. It is the 12th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 9°C through the month. The sky is clear or mostly clear about 59% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 36 min at the start of January to 10 h 12 min by month's end. Set against the rest of the year, January is Ami's 1st-clearest and 6th-windiest month. For the whole year in context, see Ami's year-round climate.

Daytime high
12th warmest
Overnight low
1st coldest
Precipitation
66 mm
7.3 wet days
Daylight
9 h 48 min
6:54 AM – 4:43 PM
Cloud cover
38%
1st clearest
Wind
10 km/h
6th windiest
Solar energy
2.84 kWh/m²
Travel score
2.1
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 January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 9°C through the month.

A typical January day in Ami reaches about 9°C in the afternoon and slips back to 1°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 12°C. Set against its neighbours, January runs about 2°C cooler than December and about 1°C cooler than February.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
1102
2102
3102
4101
591
691
791
891
991
1091
1191
1291
1391
1491
1591
1691
1791
1891
1991
2091
2191
2291
2391
2491
2591
2691
2791
2891
2991
3091
3191

How January really feels in Ami

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 31 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
31
wind chill below the day's low

The story in January is cold — wind chill drags the overnight "feels like" below the raw low.

Ami weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 10th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of January, with mostly cloudy or overcast conditions the remaining 28%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17723
27624
37723
47723
57723
67723
77624
87624
97525
107525
117426
127426
137327
147228
157129
167129
176931
186931
196931
206931
216931
226832
236832
246931
256931
266931
276832
286931
296931
306832
316832

Chance of precipitation in January

Any precipitationSnow

Ami gets around 66 mm of rain and snow over 7.3 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 24% and peaks near 27% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1191
2191
3201
4201
5201
6201
7211
8212
9222
10232
11232
12243
13253
14253
15264
16264
17264
18274
19275
20275
21275
22275
23275
24276
25266
26266
27256
28256
29256
30246
31246

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January 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 (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in January

Winds average 10 km/h in January.

Across January, daily wind ranges from about 10 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
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 36 min at the start of January to 10 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over January. Sunrise moves from 6:55 AM to 6:48 AM, and sunset from 4:30 PM to 4:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.66:554:30
29.66:554:31
39.66:554:32
49.66:554:32
59.66:554:33
69.66:554:34
79.76:554:35
89.76:554:35
99.76:554:36
109.76:554:37
119.76:554:38
129.76:554:39
139.76:554:40
149.86:554:41
159.86:554:42
169.86:544:43
179.86:544:44
189.86:544:44
199.96:544:45
209.96:534:46
219.96:534:47
229.96:524:48
2310.06:524:49
2410.06:524:50
2510.06:514:51
2610.06:514:52
2710.16:504:53
2810.16:494:54
2910.16:494:55
3010.16:484:56
3110.26:484:58

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.84 kWh/m².

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 — January's 2.84 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.7Moderate
22.7Moderate
32.7Moderate
42.7Moderate
52.7Moderate
62.7Moderate
72.7Moderate
82.7Moderate
92.7Moderate
102.7Moderate
112.7Moderate
122.7Moderate
132.7Moderate
142.7Moderate
152.7Moderate
162.7Moderate
172.8Moderate
182.8Moderate
192.8Moderate
202.8Moderate
212.8Moderate
222.9Moderate
232.9Moderate
242.9Moderate
253.0Moderate
263.0Moderate
273.0Moderate
283.0Moderate
293.1Moderate
303.1Moderate
313.1Moderate
Planning a trip in January

Hazard calendar for Ami

In seasonPeak

In January, 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 January a good time to visit Ami?

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

2.1
Sightseeing
12th-best month of the year
0.0
Beach & pool
11th-best month of the year

January is a weaker month for outdoor sightseeing in Ami.

What to pack for Ami in January

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

In January, Ami sees daytime highs around 9°C and nights near 1°C. Pack a warm layer. About 7 days see rain.

a warm layer

Sea temperature near Ami in January

The nearest coast averages about 15°C in January — 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 January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 2. 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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).