Tsuha weather in December

In December, Tsuha sees average daytime highs of 20°C and overnight lows near 18°C, with 109 mm of rain across 11.8 wet days and about 10.4 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 19°C by the end. The sky is clear or mostly clear about 20% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 24 min at the start of December to 10 h 18 min by month's end. Set against the rest of the year, December is Tsuha's 8th-clearest and 1st-windiest month. For the whole year in context, see Tsuha's year-round climate.

Daytime high
20°
9th warmest
Overnight low
18°
4th coldest
Rainfall
109 mm
11.8 wet days
Daylight
10 h 18 min
7:14 AM – 5:34 PM
Cloud cover
68%
8th clearest
Wind
28 km/h
1st windiest
Solar energy
2.34 kWh/m²
Travel score
6.0
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 22°C in the first days to 19°C by the end.

A typical December day in Tsuha reaches about 20°C in the afternoon and slips back to 18°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 23°C. Set against its neighbours, December runs about 3°C cooler than November and about 2°C warmer than January.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12220
22220
32220
42120
52120
62119
72119
82119
92119
102119
112119
122119
132119
142019
152019
162018
172018
182018
192018
202018
212018
222018
232018
242018
252018
261918
271918
281917
291917
301917
311917

How December really feels in Tsuha

Once humidity and wind are folded in, December 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

December 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 December compares with the rest of the year at a glance. December is the 9th-warmest and 9th-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 62%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24060
34060
43961
53961
63961
73961
83961
93862
103961
113961
123961
133961
143961
153961
163961
173961
183961
193961
203961
213961
223862
233763
243862
253862
263763
273763
283664
293565
303466
313466

Chance of precipitation in December

Any precipitation

Tsuha gets around 109 mm of rain over 11.8 wet days in December. 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 40% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
337
437
537
637
737
837
937
1037
1138
1238
1338
1439
1539
1639
1740
1840
1940
2040
2139
2239
2339
2439
2538
2638
2738
2837
2937
3037
3137

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 48% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1292823182
2302823172
3322822162
4342921152
5352920142
6372919131
7383018121
8403018121
9413017111
10423017101
11433017101
1244301691
1345301690
1446291690
1547291680
1647291680
1748281680
1850281570
1951271570
2052261570
2154251560
2255251460
2356241460
2458231450
2560221350
2660221350
2762211340
2862211340
2964211230
3064211230
3164211230

Wind in December

Winds average 28 km/h in December, the windiest month of the year.

Across December, 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
128breezy
228breezy
328breezy
428breezy
528breezy
628breezy
728breezy
828breezy
928breezy
1028breezy
1128breezy
1228breezy
1328breezy
1428breezy
1528breezy
1628breezy
1728breezy
1828breezy
1928breezy
2027breezy
2127breezy
2227breezy
2327breezy
2427breezy
2527breezy
2627breezy
2727breezy
2827breezy
2927breezy
3027breezy
3127breezy

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 24 min at the start of December to 10 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 7:04 AM to 7:20 AM, and sunset from 5:31 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.47:045:31
210.47:055:31
310.47:055:31
410.47:065:31
510.47:075:31
610.47:085:31
710.47:085:31
810.47:095:32
910.47:095:32
1010.47:105:32
1110.47:115:32
1210.47:115:33
1310.37:125:33
1410.37:135:33
1510.37:135:33
1610.37:145:34
1710.37:145:34
1810.37:155:35
1910.37:155:35
2010.37:165:35
2110.37:165:36
2210.37:175:36
2310.37:175:37
2410.37:185:37
2510.37:185:38
2610.37:195:38
2710.37:195:39
2810.37:195:39
2910.37:205:40
3010.37:205:41
3110.37:205:41

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.34 kWh/m² — the year's lowest.

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 — December's 2.34 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.6Moderate
22.5Moderate
32.5Moderate
42.5Moderate
52.5Moderate
62.5Moderate
72.4Moderate
82.4Moderate
92.4Moderate
102.4Moderate
112.4Moderate
122.4Moderate
132.4Moderate
142.3Moderate
152.3Moderate
162.3Moderate
172.3Moderate
182.3Moderate
192.3Moderate
202.3Moderate
212.3Moderate
222.4Moderate
232.4Moderate
242.4Moderate
252.4Moderate
262.4Moderate
272.4Moderate
282.4Moderate
292.4Moderate
302.4Moderate
312.4Moderate
Planning a trip in December

Hazard calendar for Tsuha

In seasonPeak

In December, 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 December a good time to visit Tsuha?

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

6.0
Sightseeing
4th-best month of the year
3.3
Beach & pool
9th-best month of the year

December is a reasonable time to visit Tsuha for sightseeing.

What to pack for Tsuha in December

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

In December, Tsuha sees daytime highs around 20°C and nights near 18°C. Worth packing: rain gear and a windbreaker. About 12 days see rain.

rain geara windbreaker

Sea temperature near Tsuha in December

The nearest coast averages about 24°C in December — 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 December

LowModerateHighVery highExtreme

Clear-sky midday UV in December 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 December

GoodModeratePoorUnhealthyVery unhealthy

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