Shikokuchūō weather in January

In January, Shikokuchūō sees average daytime highs of 7°C and overnight lows near 2°C, with 80 mm of precipitation across 13.7 wet days and about 10 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 7°C through the month. The sky is clear or mostly clear about 20% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 48 min at the start of January to 10 h 18 min by month's end. Set against the rest of the year, January is Shikokuchūō's 8th-clearest and 1st-windiest month. For the whole year in context, see Shikokuchūō's year-round climate.

Daytime high
12th warmest
Overnight low
1st coldest
Precipitation
80 mm
13.7 wet days
Daylight
10 hours
7:16 AM – 5:14 PM
Cloud cover
62%
8th clearest
Wind
12 km/h
1st windiest
Solar energy
2.62 kWh/m²
Travel score
1.0
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 7°C through the month.

A typical January day in Shikokuchūō reaches about 7°C in the afternoon and slips back to 2°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 4°C and 11°C. Set against its neighbours, January runs about 3°C cooler than December and about 1°C cooler than February.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
183
283
383
483
583
683
783
883
983
1083
1183
1283
1373
1472
1572
1672
1772
1872
1972
2072
2172
2272
2372
2472
2572
2672
2772
2872
2972
3072
3172

How January really feels in Shikokuchūō

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 30 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
30
wind chill below the day's low

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

Shikokuchūō weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 8013.73.6101.0
Feb / 8811.93.610.71.3
Mar12° / 12813.41.511.72.8
Apr16° / 10°14211.90.112.84.9
May21° / 14°17012.1013.76.1
Jun24° / 19°26816.3014.25.5
Jul27° / 23°26517.60145.0
Aug29° / 24°18216.6013.34.8
Sep26° / 20°24915.6012.25.8
Oct20° / 15°18911.9011.16.2
Nov15° / 9810.30.110.24.6
Dec10° / 9312.529.82.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 27% of January, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25644
35545
45545
55446
65347
75347
85248
95149
104951
114852
124852
134753
144555
154555
164357
174357
184258
194258
204258
214258
224159
234159
244159
254159
264159
274357
284456
294456
304555
314555

Chance of precipitation in January

Any precipitationSnow

Shikokuchūō gets around 80 mm of rain and snow over 13.7 wet days in January, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 44% and peaks near 49% on the wettest days, and about 4 days bring snow. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1409
23910
33910
43910
53910
63910
73910
84010
94010
104010
114111
124111
134211
144311
154312
164412
174513
184613
194714
204814
214814
224914
234914
244915
254915
264915
274915
284915
294816
304816
314716

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 12 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 48 min at the start of January to 10 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over January. Sunrise moves from 7:16 AM to 7:10 AM, and sunset from 5:02 PM to 5:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.87:165:02
29.87:165:03
39.87:165:04
49.87:165:04
59.87:165:05
69.87:175:06
79.87:175:07
89.87:175:07
99.97:175:08
109.97:175:09
119.97:175:10
129.97:175:11
139.97:165:12
149.97:165:12
1510.07:165:13
1610.07:165:14
1710.07:165:15
1810.07:165:16
1910.07:155:17
2010.07:155:18
2110.17:155:19
2210.17:145:20
2310.17:145:21
2410.17:145:22
2510.27:135:22
2610.27:135:23
2710.27:125:24
2810.27:125:25
2910.37:115:26
3010.37:115:27
3110.37:105:28

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.62 kWh/m².

For context, solar energy here swings from a low near 2.36 kWh/m² to a high of 5.59 kWh/m² in May across the year — January's 2.62 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.5Moderate
22.5Moderate
32.5Moderate
42.5Moderate
52.5Moderate
62.5Moderate
72.5Moderate
82.5Moderate
92.5Moderate
102.5Moderate
112.5Moderate
122.5Moderate
132.5Moderate
142.5Moderate
152.5Moderate
162.6Moderate
172.6Moderate
182.6Moderate
192.6Moderate
202.6Moderate
212.6Moderate
222.7Moderate
232.7Moderate
242.7Moderate
252.8Moderate
262.8Moderate
272.8Moderate
282.8Moderate
292.9Moderate
302.9Moderate
312.9Moderate
Planning a trip in January

Hazard calendar for Shikokuchūō

In seasonPeak

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

Shikokuchūō 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 Shikokuchūō?

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

1.0
Sightseeing
12th-best month of the year
0.0
Beach & pool
10th-best month of the year

January is a weaker month for outdoor sightseeing in Shikokuchūō.

What to pack for Shikokuchūō in January

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

In January, Shikokuchūō sees daytime highs around 7°C and nights near 2°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 14 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Shikokuchūō in January

The nearest coast averages about 14°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 18 km away) is warmest in August at about 28°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 3 to Nov 12 — about 5.4 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr15Bracing
May18Cool
Jun22Refreshing
Jul25Warm
Aug28Warm
Sep27Warm
Oct24Refreshing
Nov20Cool
Dec16Cool

UV index in Shikokuchūō in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Shikokuchūō peaks around July 11 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJul 11UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7Very high
May9Very high
Jun10Extreme
Jul10Extreme
Aug9Very high
Sep10Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Shikokuchūō 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 Shikokuchūō is worst in April — around 22 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1321 µg/m³Oct 1311 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb16Moderate
Mar20Moderate
Apr22Moderate
May19Moderate
Jun16Moderate
Jul13Moderate
Aug12Moderate
Sep11Good
Oct11Good
Nov12Good
Dec11Good
Location & terrain

Where is Shikokuchūō?

Shikokuchūō sits at 34.0°N, 133.5°E, 41 m above sea level, in Japan. The nearest listed city is Kawanoechō, 5.0 km away.

Topography around Shikokuchūō

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

Within 3 km, the terrain around Shikokuchūō has large variations in elevation — a maximum elevation change of 807 m around an average of 163 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,641 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,946 m.

The land around Shikokuchūō is covered by trees (40%) and artificial surfaces (40%) within 3 km, trees (59%) and water (33%) within 16 km, and trees (60%) and water (29%) within 80 km.

3 km
807 m
16 km
1,641 m
80 km
1,946 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Kawanoechō 5.0 km · Kan’onjichō 19 km · Niihama 23 km · Ikedachō 24 km · Mitoyo 29 km · Saijō 34 km · Shioiri 34 km · Zentsujichó 35 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 Shikokuchūō (33.9754°, 133.5489°, elevation 41 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).