Ogi weather in December

In December, Ogi sees average daytime highs of 12°C and overnight lows near 5°C, with 71 mm of precipitation across 7.4 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 25% 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 Ogi's 4th-clearest and 4th-windiest month. For the whole year in context, see Ogi's year-round climate.

Daytime high
12°
10th warmest
Overnight low
3rd coldest
Precipitation
71 mm
7.4 wet days
Daylight
9 h 48 min
7:21 AM – 5:10 PM
Cloud cover
61%
4th clearest
Wind
9 km/h
4th windiest
Solar energy
2.16 kWh/m²
Travel score
3.4
out of 10

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 Ogi reaches about 12°C in the afternoon and slips back to 5°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 16°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)
1147
2147
3147
4147
5136
6136
7136
8136
9136
10136
11126
12125
13125
14125
15125
16125
17125
18125
19125
20115
21115
22114
23114
24114
25114
26114
27114
28114
29114
30114
31114

How December really feels in Ogi

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.

Ogi 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° / 6280.8102.2
Feb11° / 778.30.410.82.7
Mar15° / 12510.90.111.74.2
Apr19° / 11°14510.7012.86.0
May24° / 15°16410.3013.76.7
Jun26° / 20°34415.9014.25.4
Jul30° / 24°30917.60144.1
Aug31° / 24°18114.7013.23.9
Sep28° / 21°18912.3012.25.7
Oct23° / 15°1087.3011.27.3
Nov17° / 10°938010.35.8
Dec12° / 717.40.19.83.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% 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 55%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25149
35149
45050
54951
64852
74852
84654
94654
104654
114456
124555
134357
144357
154357
164258
174357
184258
194258
204258
214258
224258
234159
244258
254258
264258
274258
284258
294258
304159
314258

Chance of precipitation in December

Any precipitation

Ogi gets around 71 mm of rain and snow over 7.4 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
526
626
726
825
925
1025
1124
1224
1324
1424
1524
1623
1723
1823
1923
2022
2122
2222
2322
2422
2522
2622
2722
2822
2922
3022
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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19541
29640
39730
49730
59730
69820
79820
89820
99910
109910
119910
129910
139910
149910
159910
169910
179910
189910
1910000
2010000
2110000
2210000
2310000
2410000
2510000
2610000
2710000
2810000
2910000
3010000
3110000

Wind in December

Winds average 9 km/h in December.

Across December, 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
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
2710calm
2810calm
2910calm
3010calm
3110calm

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 7:10 AM to 7:28 AM, and sunset from 5:08 PM to 5:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.07:105:08
29.97:115:08
39.97:125:08
49.97:135:08
59.97:135:08
69.97:145:08
79.97:155:08
89.97:165:08
99.97:165:08
109.87:175:08
119.87:185:08
129.87:195:09
139.87:195:09
149.87:205:09
159.87:215:09
169.87:215:10
179.87:225:10
189.87:225:10
199.87:235:11
209.87:235:11
219.87:245:12
229.87:245:12
239.87:255:13
249.87:255:13
259.87:265:14
269.87:265:14
279.87:265:15
289.87:275:15
299.87:275:16
309.87:275:17
319.87:285:17

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.16 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.16 kWh/m² to a high of 5.28 kWh/m² in May across the year — December's 2.16 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.3Moderate
22.3Moderate
32.3Moderate
42.3Moderate
52.2Moderate
62.2Moderate
72.2Moderate
82.2Moderate
92.2Moderate
102.2Moderate
112.2Moderate
122.1Moderate
132.1Moderate
142.1Moderate
152.1Moderate
162.1Moderate
172.1Moderate
182.1Moderate
192.1Moderate
202.1Moderate
212.1Moderate
222.1Moderate
232.2Moderate
242.2Moderate
252.2Moderate
262.2Moderate
272.2Moderate
282.2Moderate
292.2Moderate
302.2Moderate
312.2Moderate
Planning a trip in December

Hazard calendar for Ogi

In seasonPeak

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

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

Ogi'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 December a good time to visit Ogi?

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 Ogi.

What to pack for Ogi in December

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

In December, Ogi sees daytime highs around 12°C and nights near 5°C. Worth packing: a warm layer. About 7 days see rain.

a warm layer

Sea temperature near Ogi in December

The nearest coast averages about 17°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 24 km away) is warmest in August at about 27°C and coldest in February near 13°C.

It's comfortable for a long swim from May 27 to Nov 12 — about 5.6 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar14Bracing
Apr16Cool
May19Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov20Cool
Dec17Cool

UV index in Ogi 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 Ogi peaks around July 20 at about 10 (very high) — 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 highModerateJul 20UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr8Very high
May8Very high
Jun8Very high
Jul10Very high
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Ogi 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 Ogi is worst in March — around 25 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (July, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2325 µg/m³Jul 2114 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb20Moderate
Mar25Moderate
Apr25Moderate
May23Moderate
Jun19Moderate
Jul13Moderate
Aug15Moderate
Sep14Moderate
Oct14Moderate
Nov16Moderate
Dec15Moderate
Location & terrain

Where is Ogi?

Ogi sits at 33.3°N, 130.2°E, 7 m above sea level, in Japan. The nearest listed city is Taku, 8.0 km away.

Topography around Ogi

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

Within 3 km, the terrain around Ogi has only modest variations in elevation — a maximum elevation change of 214 m around an average of 28 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,041 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,455 m.

The land around Ogi is covered by cropland (51%), trees (24%) and artificial surfaces (22%) within 3 km, trees (49%) and cropland (30%) within 16 km, and water (43%) and trees (40%) within 80 km.

3 km
214 m
16 km
1,041 m
80 km
1,455 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Taku 8.0 km · Saga 11 km · Higashigō 11 km · Kanzakimachi-kanzaki 17 km · Ōkawa 19 km · Takeo 19 km · Ishinari 21 km · Kashima 22 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 Ogi (33.2803°, 130.195°, elevation 7 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).