Tsurusaki weather in December

In December, Tsurusaki sees average daytime highs of 12°C and overnight lows near 8°C, with 63 mm of precipitation across 7.6 wet days and about 9.8 hours of daylight. It is the 10th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 14°C in the first days to 11°C by the end. The sky is clear or mostly clear about 34% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 hours at the start of December to 9 h 48 min by month's end. Set against the rest of the year, December is Tsurusaki's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Tsurusaki's year-round climate.

Daytime high
12°
10th warmest
Overnight low
4th coldest
Precipitation
63 mm
7.6 wet days
Daylight
9 h 48 min
7:15 AM – 5:04 PM
Cloud cover
54%
3rd clearest
Wind
18 km/h
2nd windiest
Solar energy
2.37 kWh/m²
Travel score
3.4
out of 10

Tsurusaki is human settlement in Japan.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 14°C in the first days to 11°C by the end.

A typical December day in Tsurusaki reaches about 12°C in the afternoon and slips back to 8°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 15°C. Set against its neighbours, December runs about 5°C cooler than November and about 2°C warmer than January.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
11410
21410
31410
41410
51310
61310
7139
8139
9139
10139
11129
12129
13128
14128
15128
16128
17128
18128
19118
20118
21118
22118
23117
24117
25117
26117
27117
28117
29117
30117
31107

How December really feels in Tsurusaki

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.

Tsurusaki weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan10° / 637.50.5102.2
Feb10° / 748.30.510.82.3
Mar13° / 11911011.73.5
Apr17° / 12°13810.4012.85.2
May20° / 16°15311013.76.2
Jun23° / 20°29215.4014.25.6
Jul27° / 24°190140145.7
Aug28° / 25°14612.5013.25.6
Sep26° / 23°19312.8012.26.3
Oct21° / 18°1518.9011.26.9
Nov17° / 13°817.7010.35.7
Dec12° / 637.60.19.83.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 20% of December, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35545
45545
55446
65446
75347
85347
95347
105347
115347
125347
135347
145347
155347
165347
175347
185347
195347
205446
215446
225446
235545
245644
255644
265644
275644
285644
295644
305644
315545

Chance of precipitation in December

Any precipitation

Tsurusaki gets around 63 mm of rain and snow over 7.6 wet days in December. 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 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)
127
227
327
427
527
626
726
826
926
1025
1125
1225
1325
1425
1525
1624
1724
1824
1924
2024
2124
2223
2323
2423
2523
2623
2722
2822
2922
3021
3121

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 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19451
29541
39541
49541
59631
69631
79631
89820
99820
109820
119820
129820
139820
149820
159820
169820
179910
189910
199910
209910
219910
229910
239910
249910
259910
269910
279910
289910
299910
309910
3110000

Wind in December

Winds average 18 km/h in December.

Across December, daily wind ranges from about 16 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in December

DaylightNight

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

Days shrink by about 12 minutes over December. Sunrise moves from 7:04 AM to 7:22 AM, and sunset from 5:02 PM to 5:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.07:045:02
29.97:055:02
39.97:065:02
49.97:075:02
59.97:075:02
69.97:085:02
79.97:095:02
89.97:105:02
99.97:105:02
109.97:115:02
119.87:125:02
129.87:125:03
139.87:135:03
149.87:145:03
159.87:145:03
169.87:155:04
179.87:165:04
189.87:165:04
199.87:175:05
209.87:175:05
219.87:185:06
229.87:185:06
239.87:195:07
249.87:195:07
259.87:205:08
269.87:205:08
279.87:205:09
289.87:215:09
299.87:215:10
309.87:215:11
319.87:225:11

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.37 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.37 kWh/m² to a high of 5.56 kWh/m² in May across the year — December's 2.37 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.5Moderate
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
152.3Moderate
162.4Moderate
172.4Moderate
182.4Moderate
192.4Moderate
202.4Moderate
212.4Moderate
222.4Moderate
232.4Moderate
242.4Moderate
252.4Moderate
262.4Moderate
272.5Moderate
282.5Moderate
292.5Moderate
302.5Moderate
312.5Moderate
Planning a trip in December

Hazard calendar for Tsurusaki

In seasonPeak

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

Tsurusaki 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 Tsurusaki?

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

3.4
Sightseeing
10th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Tsurusaki.

What to pack for Tsurusaki in December

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

In December, Tsurusaki sees daytime highs around 12°C and nights near 8°C. Pack a warm layer. About 8 days see rain.

a warm layer

Sea temperature near Tsurusaki in December

The nearest coast averages about 18°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 22 km away) is warmest in August at about 26°C and coldest in February near 14°C.

It's comfortable for a long swim from Jun 5 to Nov 20 — about 5.6 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb14Bracing
Mar14Bracing
Apr16Cool
May18Cool
Jun21Refreshing
Jul24Warm
Aug26Warm
Sep25Warm
Oct23Refreshing
Nov20Refreshing
Dec18Cool

UV index in Tsurusaki in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tsurusaki peaks around June 20 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 20UV 10Dec 20UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr8Very high
May8Very high
Jun10Extreme
Jul10Very high
Aug10Very high
Sep10Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Tsurusaki 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 Tsurusaki is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodGoodApr 1523 µg/m³Oct 1611 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb17Moderate
Mar22Moderate
Apr23Moderate
May22Moderate
Jun19Moderate
Jul16Moderate
Aug16Moderate
Sep12Moderate
Oct11Good
Nov12Moderate
Dec12Good
Location & terrain

Where is Tsurusaki?

Tsurusaki sits at 33.2°N, 131.7°E, 5 m above sea level, in Japan. The nearest listed city is Ōita, 9.0 km away.

Topography around Tsurusaki

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

Within 3 km, the terrain around Tsurusaki has only modest variations in elevation — a maximum elevation change of 97 m around an average of 13 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 635 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,758 m.

The land around Tsurusaki is covered by artificial surfaces (61%) within 3 km, water (46%) and trees (35%) within 16 km, and water (50%) and trees (45%) within 80 km.

3 km
97 m
16 km
635 m
80 km
1,758 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Ōita 9.0 km · Usuki 17 km · Beppu 18 km · Hiji 20 km · Kitsuki 21 km · Tsukumiura 25 km · Yufu 30 km · Mie 33 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 Tsurusaki (33.2453°, 131.6917°, elevation 5 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).