Tsuha weather in January

In January, Tsuha sees average daytime highs of 19°C and overnight lows near 17°C, with 106 mm of rain across 12.2 wet days and about 10.5 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 19°C through the month. The sky is clear or mostly clear about 15% of the time in January, and the air most often feels dry.

Daylight stretches from about 10 h 24 min at the start of January to 10 h 42 min by month's end. Set against the rest of the year, January is Tsuha's 10th-clearest and 3rd-windiest month. For the whole year in context, see Tsuha's year-round climate.

Daytime high
19°
11th warmest
Overnight low
17°
2nd coldest
Rainfall
106 mm
12.2 wet days
Daylight
10 h 30 min
7:22 AM – 5:52 PM
Cloud cover
72%
10th clearest
Wind
27 km/h
3rd windiest
Solar energy
2.44 kWh/m²
Travel score
5.5
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 19°C through the month.

A typical January day in Tsuha reaches about 19°C in the afternoon and slips back to 17°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 22°C. Set against its neighbours, January runs about 2°C cooler than December and on par with February.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11917
21917
31917
41917
51917
61917
71917
81917
91917
101917
111917
121917
131917
141917
151917
161917
171917
181916
191816
201816
211816
221816
231816
241816
251816
261816
271816
281816
291816
301816
311816

How January really feels in Tsuha

Once humidity and wind are folded in, January 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

January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Tsuha weather by month

How January compares with the rest of the year at a glance. January is the 11th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 17°10612.210.55.5
Feb19° / 16°10211.911.15.4
Mar20° / 18°13713.511.85.7
Apr22° / 20°15413.312.66.0
May24° / 23°21113.613.36.1
Jun27° / 25°23415.313.65.5
Jul28° / 27°12310.213.55.8
Aug29° / 27°16814.112.95.3
Sep28° / 27°17913.912.25.8
Oct26° / 24°14211.711.46.6
Nov23° / 22°10110.710.76.7
Dec20° / 18°10911.810.46.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 71%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23268
33268
43268
53169
63169
73070
82971
93070
102971
112971
122971
132872
142872
152872
162773
172773
182773
192872
202872
212773
222872
232872
242773
252773
262773
272773
282773
292674
302674
312773

Chance of precipitation in January

Any precipitation

Tsuha gets around 106 mm of rain over 12.2 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 40% and peaks near 42% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
337
437
537
637
738
838
938
1039
1139
1239
1339
1439
1540
1640
1740
1840
1941
2041
2141
2241
2342
2442
2542
2642
2742
2841
2941
3041
3142

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 67% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16521122
26521122
36521122
46521122
56521122
66421123
76421123
86421123
96421123
106421123
116421123
126421123
136421123
146421123
156521113
166521113
176620113
186620113
196620113
206819103
216819103
226819103
236918103
246918103
256918103
26701893
27701893
28701893
29701893
30701893
31701893

Wind in January

Winds average 27 km/h in January.

Across January, daily wind ranges from about 27 km/h on the calmest days to 28 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
127breezy
227breezy
327breezy
427breezy
527breezy
627breezy
727breezy
827breezy
927breezy
1027breezy
1127breezy
1227breezy
1327breezy
1427breezy
1527breezy
1627breezy
1728breezy
1828breezy
1928breezy
2028breezy
2128breezy
2228breezy
2328breezy
2428breezy
2527breezy
2627breezy
2727breezy
2827breezy
2927breezy
3027breezy
3127breezy

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 24 min at the start of January to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over January. Sunrise moves from 7:20 AM to 7:19 AM, and sunset from 5:41 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.47:205:41
210.47:205:42
310.47:215:43
410.47:215:43
510.47:215:44
610.47:215:45
710.47:225:45
810.47:225:46
910.47:225:47
1010.47:225:47
1110.47:225:48
1210.47:225:49
1310.57:225:50
1410.57:225:50
1510.57:225:51
1610.57:225:52
1710.57:225:53
1810.57:225:53
1910.57:225:54
2010.67:225:55
2110.67:225:56
2210.67:215:56
2310.67:215:57
2410.67:215:58
2510.67:215:59
2610.67:205:59
2710.77:206:00
2810.77:206:01
2910.77:196:02
3010.77:196:02
3110.77:196:03

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.44 kWh/m².

For context, solar energy here swings from a low near 2.34 kWh/m² to a high of 6.41 kWh/m² in July across the year — January's 2.44 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.4Moderate
22.4Moderate
32.4Moderate
42.4Moderate
52.4Moderate
62.4Moderate
72.4Moderate
82.4Moderate
92.4Moderate
102.4Moderate
112.4Moderate
122.4Moderate
132.4Moderate
142.4Moderate
152.4Moderate
162.4Moderate
172.4Moderate
182.4Moderate
192.4Moderate
202.4Moderate
212.4Moderate
222.5Moderate
232.5Moderate
242.5Moderate
252.5Moderate
262.5Moderate
272.5Moderate
282.5Moderate
292.6Moderate
302.6Moderate
312.6Moderate
Planning a trip in January

Hazard calendar for Tsuha

In seasonPeak

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

Tsuha 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 Tsuha?

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

5.5
Sightseeing
9th-best month of the year
2.2
Beach & pool
11th-best month of the year

January is a reasonable time to visit Tsuha for sightseeing.

What to pack for Tsuha in January

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

In January, Tsuha sees daytime highs around 19°C and nights near 17°C. Worth packing: rain gear and a windbreaker. About 12 days see rain.

rain geara windbreaker

Sea temperature near Tsuha in January

The nearest coast averages about 22°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 29°C and coldest in February near 21°C.

The water stays above 20°C all year — warm enough for a swim any month.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan22Refreshing
Feb21Refreshing
Mar21Refreshing
Apr22Refreshing
May24Warm
Jun26Warm
Jul29Tropical
Aug29Tropical
Sep28Tropical
Oct27Warm
Nov25Warm
Dec24Refreshing

UV index in Tsuha in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tsuha peaks around July 13 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 5 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJul 13UV 12Jan 1UV 5
UV index (midday)Level
Jan5Moderate
Feb7Very high
Mar9Very high
Apr8Very high
May10Very high
Jun11Extreme
Jul12Extreme
Aug11Extreme
Sep11Extreme
Oct8Very high
Nov6High
Dec5Moderate

Air quality in Tsuha 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 Tsuha is worst in March — around 16 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (July, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMar 1916 µg/m³Jul 137 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar16Moderate
Apr15Moderate
May12Moderate
Jun7Good
Jul7Good
Aug9Good
Sep8Good
Oct9Good
Nov9Good
Dec10Good
Location & terrain

Where is Tsuha?

Tsuha sits at 26.7°N, 128.1°E, 9 m above sea level, in Japan. The nearest listed city is Nago, 12 km away.

Topography around Tsuha

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

Within 3 km, the terrain around Tsuha has only modest variations in elevation — a maximum elevation change of 195 m around an average of 48 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 494 m; within 80 km, significant variations in elevation — a maximum elevation change of 491 m.

The land around Tsuha is covered by trees (48%) and water (48%) within 3 km, water (51%) and trees (45%) within 16 km, and water (92%) within 80 km.

3 km
195 m
16 km
494 m
80 km
491 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Nago 12 km · Ishikawa 38 km · Uruma 39 km · Gushikawa 40 km · Katsuren-haebaru 42 km · Yomitan 45 km · Okinawa 46 km · Kishaba 49 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 Tsuha (26.6575°, 128.0941°, elevation 9 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).