Buzen weather in January

In January, Buzen sees average daytime highs of 8°C and overnight lows near 3°C, with 61 mm of precipitation across 8.4 wet days and about 10 hours of daylight. It is the 12th-warmest and 12th-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 19% 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 Buzen's 9th-clearest and 1st-windiest month. For the whole year in context, see Buzen's year-round climate.

Daytime high
12th warmest
Overnight low
1st coldest
Precipitation
61 mm
8.4 wet days
Daylight
10 hours
7:25 AM – 5:25 PM
Cloud cover
64%
9th clearest
Wind
11 km/h
1st windiest
Solar energy
2.44 kWh/m²
Travel score
1.6
out of 10

Buzen is city in Fukuoka Prefecture, Japan.

Density
242/km²
people per km²
Founded
1955

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 Buzen reaches about 8°C in the afternoon and slips back to 3°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 5°C and 12°C. Set against its neighbours, January runs about 3°C cooler than December and about 1°C cooler than February.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
194
293
393
493
593
693
793
893
993
1093
1193
1283
1383
1483
1583
1683
1783
1883
1983
2083
2183
2283
2383
2483
2583
2682
2782
2882
2982
3082
3183

How January really feels in Buzen

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 20 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
20
wind chill below the day's low

The story in January is cold — wind chill drags the overnight "feels like" below the raw low.

Buzen weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 618.42101.6
Feb / 7091.910.82.0
Mar13° / 11211.50.611.73.5
Apr18° / 11°12510.7012.85.7
May23° / 16°14311013.76.5
Jun26° / 20°28215.4014.25.6
Jul30° / 24°22116.10144.3
Aug30° / 25°14414.5013.24.3
Sep27° / 21°16713.1012.25.9
Oct22° / 16°1118.1011.27.0
Nov16° / 10°758.1010.35.4
Dec11° / 618.50.79.82.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% 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 60%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24852
34753
44753
54753
64654
74456
84357
94357
104258
114159
124060
133961
143961
153763
163763
173664
183664
193565
203565
213565
223565
233664
243664
253664
263763
273862
283862
293961
304060
314060

Chance of precipitation in January

Any precipitationSnow

Buzen gets around 61 mm of rain and snow over 8.4 wet days in January, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 27% and peaks near 30% on the wettest days, and about 2 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1245
2246
3246
4246
5246
6246
7246
8256
9256
10266
11266
12276
13276
14286
15287
16297
17297
18307
19307
20307
21307
22307
23307
24307
25307
26298
27298
28298
29288
30288
31288

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

Across January, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

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 7:19 AM, and sunset from 5:13 PM to 5:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.87:245:13
29.87:255:13
39.87:255:14
49.87:255:15
59.87:255:16
69.97:255:16
79.97:255:17
89.97:255:18
99.97:255:19
109.97:255:20
119.97:255:20
129.97:255:21
139.97:255:22
1410.07:255:23
1510.07:255:24
1610.07:255:25
1710.07:255:26
1810.07:245:26
1910.17:245:27
2010.17:245:28
2110.17:245:29
2210.17:235:30
2310.17:235:31
2410.27:225:32
2510.27:225:33
2610.27:225:34
2710.27:215:35
2810.37:215:36
2910.37:205:37
3010.37:205:38
3110.37:195:39

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 2.25 kWh/m² to a high of 5.34 kWh/m² in May 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
112.3Moderate
122.4Moderate
132.4Moderate
142.4Moderate
152.4Moderate
162.4Moderate
172.4Moderate
182.4Moderate
192.4Moderate
202.4Moderate
212.5Moderate
222.5Moderate
232.5Moderate
242.5Moderate
252.6Moderate
262.6Moderate
272.6Moderate
282.7Moderate
292.7Moderate
302.7Moderate
312.8Moderate
Planning a trip in January

Hazard calendar for Buzen

In seasonPeak

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

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

Buzen'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 Buzen?

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

1.6
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 Buzen.

What to pack for Buzen in January

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

In January, Buzen sees daytime highs around 8°C and nights near 3°C. Pack a warm layer. Worth having: rain gear. About 8 days see rain.

a warm layerrain gear

Sea temperature near Buzen 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 offshore 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 Buzen in January

LowModerateHighVery highExtreme

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

Under clear skies, the midday UV index in Buzen peaks around June 21 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJun 21UV 10Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr8Very high
May8Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Buzen 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 Buzen is worst in March — around 27 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2026 µg/m³Oct 1212 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar27Moderate
Apr24Moderate
May21Moderate
Jun18Moderate
Jul16Moderate
Aug19Moderate
Sep13Moderate
Oct12Good
Nov14Moderate
Dec13Moderate
Location & terrain

Where is Buzen?

Buzen sits at 33.6°N, 131.1°E, 20 m above sea level, in Japan. The nearest listed city is Nakatsu, 6.0 km away.

Topography around Buzen

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

Within 3 km, the terrain around Buzen has only modest variations in elevation — a maximum elevation change of 116 m around an average of 18 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,072 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,799 m.

The land around Buzen is covered by artificial surfaces (30%), cropland (29%) and water (26%) within 3 km, trees (40%) and water (39%) within 16 km, and trees (50%) and water (34%) within 80 km.

3 km
116 m
16 km
1,072 m
80 km
1,799 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Nakatsu 6.0 km · Tsuiki 11 km · Yukuhashi 19 km · Yokkaichi 20 km · Miyako 22 km · Kanda 23 km · Kawasaki 29 km · Bungo-Takada-shi 30 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 Buzen (33.6115°, 131.13°, elevation 20 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).