Tsukawaki weather in January

In January, Tsukawaki sees average daytime highs of 8°C and overnight lows near -0°C, with 68 mm of precipitation across 8.5 wet days and about 10 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 8°C through the month. The sky is clear or mostly clear about 21% 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 Tsukawaki's 6th-clearest and 1st-windiest month. For the whole year in context, see Tsukawaki's year-round climate.

Daytime high
12th warmest
Overnight low
-0°
1st coldest
Precipitation
68 mm
8.5 wet days
Daylight
10 hours
7:24 AM – 5:25 PM
Cloud cover
62%
6th clearest
Wind
9 km/h
1st windiest
Solar energy
2.53 kWh/m²
Travel score
1.2
out of 10

Tsukawaki is settlement in Japan.

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 8°C through the month.

A typical January day in Tsukawaki reaches about 8°C in the afternoon and slips back to -0°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 3°C and 12°C. Set against its neighbours, January runs about 2°C cooler than December and about 2°C cooler than February.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
180
280
380
480
580
680
780
880
980
1080
1180
1280
1380
1470
1570
1670
1770
1870
1970
2070
2170
2270
2370
2470
2570
2670
2770
2870
2970
3070
3180

How January really feels in Tsukawaki

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.

Tsukawaki weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°688.53101.2
Feb / 809.42.410.81.8
Mar13° / 12312.71.211.73.5
Apr18° / 13411.70.112.85.6
May23° / 13°15112.1013.76.3
Jun25° / 18°31717.4014.25.3
Jul29° / 22°23117.60144.4
Aug30° / 22°16716013.24.3
Sep26° / 19°19714.6012.25.8
Oct21° / 12°1259011.26.7
Nov16° / 818.40.110.35.0
Dec10° / 668.31.39.82.4

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 21% of January, with mostly cloudy or overcast conditions the remaining 58%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35248
45050
55050
64852
74852
84654
94555
104456
114357
124159
134060
143961
153763
163763
173763
183664
193763
203763
213763
223763
233763
243763
253961
263961
274060
284159
294159
304258
314258

Chance of precipitation in January

Any precipitationSnow

Tsukawaki gets around 68 mm of rain and snow over 8.5 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 28% and peaks near 31% on the wettest days, and about 3 days bring snow. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1238
2238
3238
4238
5238
6238
7248
8248
9258
10258
11268
12268
13279
14289
15289
162910
173010
183010
193011
203111
213111
223111
233112
243112
253112
263112
273112
283112
293012
303012
313011

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

Across January, daily wind ranges from about 9 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
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 7:24 AM to 7:18 AM, and sunset from 5:14 PM to 5:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.87:245:14
29.87:245:14
39.87:245:15
49.97:245:16
59.97:245:16
69.97:245:17
79.97:245:18
89.97:245:19
99.97:255:19
109.97:255:20
119.97:255:21
1210.07:245:22
1310.07:245:23
1410.07:245:24
1510.07:245:24
1610.07:245:25
1710.07:245:26
1810.17:245:27
1910.17:235:28
2010.17:235:29
2110.17:235:30
2210.17:225:31
2310.27:225:32
2410.27:225:33
2510.27:215:34
2610.27:215:34
2710.37:205:35
2810.37:205:36
2910.37:195:37
3010.37:195:38
3110.37:185:39

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.53 kWh/m².

For context, solar energy here swings from a low near 2.34 kWh/m² to a high of 5.3 kWh/m² in May across the year — January's 2.53 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
82.4Moderate
92.4Moderate
102.4Moderate
112.4Moderate
122.4Moderate
132.4Moderate
142.4Moderate
152.4Moderate
162.5Moderate
172.5Moderate
182.5Moderate
192.5Moderate
202.5Moderate
212.5Moderate
222.6Moderate
232.6Moderate
242.6Moderate
252.6Moderate
262.7Moderate
272.7Moderate
282.8Moderate
292.8Moderate
302.8Moderate
312.9Moderate
Planning a trip in January

Hazard calendar for Tsukawaki

In seasonPeak

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

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

Tsukawaki's rainy season runs May–September, 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 January a good time to visit Tsukawaki?

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

1.2
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 Tsukawaki.

What to pack for Tsukawaki in January

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

In January, Tsukawaki sees daytime highs around 8°C and nights near -0°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 9 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Tsukawaki in January

The nearest coast averages about 13°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 39 km away) is warmest in August at about 27°C and coldest in February near 12°C.

It's comfortable for a long swim from Jun 6 to Nov 9 — about 5.2 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb12Bracing
Mar12Bracing
Apr14Bracing
May18Cool
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov19Cool
Dec16Cool

UV index in Tsukawaki 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 Tsukawaki peaks around June 21 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 highModerateJun 21UV 10Dec 20UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr8Very high
May8Very high
Jun10Extreme
Jul10Very high
Aug10Very high
Sep10Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Tsukawaki 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 Tsukawaki is worst in March — around 30 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (September, 14 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1829 µg/m³Sep 2214 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar30Moderate
Apr24Moderate
May22Moderate
Jun19Moderate
Jul14Moderate
Aug15Moderate
Sep14Moderate
Oct14Moderate
Nov15Moderate
Dec14Moderate
Location & terrain

Where is Tsukawaki?

Tsukawaki sits at 33.3°N, 131.2°E, 336 m above sea level, in Japan. The nearest listed city is Hita, 21 km away.

Topography around Tsukawaki

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

Within 3 km, the terrain around Tsukawaki has significant variations in elevation — a maximum elevation change of 495 m around an average of 408 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,384 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,799 m.

The land around Tsukawaki is covered by trees (54%) and cropland (24%) within 3 km, trees (86%) within 16 km, and trees (58%) and water (23%) within 80 km.

3 km
495 m
16 km
1,384 m
80 km
1,799 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Hita 21 km · Yufu 23 km · Beppu 32 km · Yokkaichi 33 km · Nakatsu 36 km · Hiji 36 km · Buzen 37 km · Aso 38 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 Tsukawaki (33.2767°, 131.1563°, elevation 336 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).