Yamaguchi weather in February

In February, Yamaguchi sees average daytime highs of 10°C and overnight lows near 2°C, with 70 mm of precipitation across 9.8 wet days and about 10.7 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 9°C in the first days to 11°C by the end. The sky is clear or mostly clear about 19% of the time in February, and the air most often feels dry.

Daylight stretches from about 10 h 18 min at the start of February to 11 h 12 min by month's end. Set against the rest of the year, February is Yamaguchi's 9th-clearest and 2nd-windiest month. For the whole year in context, see Yamaguchi's year-round climate.

Daytime high
10°
11th warmest
Overnight low
2nd coldest
Precipitation
70 mm
9.8 wet days
Daylight
10 h 42 min
7:07 AM – 5:51 PM
Cloud cover
65%
9th clearest
Wind
10 km/h
2nd windiest
Solar energy
3.22 kWh/m²
Travel score
2.2
out of 10

Yamaguchi is capital city of Yamaguchi prefecture.

Density
190/km²
people per km²
Founded
1929

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

Temperature in February

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 9°C in the first days to 11°C by the end.

A typical February day in Yamaguchi reaches about 10°C in the afternoon and slips back to 2°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 14°C. Set against its neighbours, February runs about 1°C warmer than January and about 4°C cooler than March.

-5°10°15°20°151015202528
Avg high (°C)Avg low (°C)
192
292
392
492
592
692
792
892
992
10102
11102
12102
13102
14102
15102
16102
17102
18103
19113
20113
21113
22113
23113
24113
25113
26113
27123
28123

How February really feels in Yamaguchi

Once humidity and wind are folded in, February averages 0 days that feel above 32°C and 22 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
22
wind chill below the day's low

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

Yamaguchi weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 629.72.2101.7
Feb10° / 709.81.810.72.2
Mar14° / 11711.40.411.73.8
Apr19° / 13010.6012.85.9
May23° / 14°15010.5013.86.7
Jun26° / 19°24914.3014.25.7
Jul30° / 23°28316.30144.2
Aug31° / 24°16714.2013.33.9
Sep28° / 20°17812.4012.25.7
Oct23° / 14°978.1011.17.1
Nov17° / 788.2010.25.6
Dec11° / 649.70.99.82.9

Cloud cover in February

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in February.

Beyond those clear spells, partly cloudy skies cover about 21% of February, with mostly cloudy or overcast conditions the remaining 60%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202528
Clearer (%)Cloudier (%)
13664
23763
33862
43961
53961
63961
74060
84159
94159
104060
114060
124159
134258
144159
154159
164258
174159
184159
194159
204060
213961
223961
234060
243961
254060
264060
274060
284060

Chance of precipitation in February

Any precipitationSnow

Yamaguchi gets around 70 mm of rain and snow over 9.8 wet days in February. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 35% and peaks near 37% on the wettest days, and about 2 days bring snow.

0%10%20%30%40%50%151015202528
Rain chance (%)Snow chance (%)
1349
2349
3349
4349
5349
6349
7349
8358
9358
10358
11358
12357
13357
14357
15356
16346
17346
18345
19345
20344
21354
22354
23354
24364
25364
26363
27373
28373

Humidity in February

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, February 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%151015202528
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
26991
27991
28991

Wind in February

Winds average 10 km/h in February.

Across February, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202528
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm

Sunrise & sunset in February

DaylightNight

Daylight runs from about 10 h 18 min at the start of February to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over February. Sunrise moves from 7:18 AM to 6:53 AM, and sunset from 5:37 PM to 6:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202528
Daylight (h)Sunrise (AM)Sunset (PM)
110.37:185:37
210.37:175:38
310.47:175:39
410.47:165:40
510.47:155:41
610.57:155:42
710.57:145:43
810.57:135:44
910.57:125:45
1010.67:115:46
1110.67:115:47
1210.67:105:48
1310.77:095:49
1410.77:085:50
1510.77:075:51
1610.87:065:52
1710.87:055:52
1810.87:045:53
1910.97:035:54
2010.97:025:55
2110.97:015:56
2211.07:005:57
2311.06:585:58
2411.06:575:59
2511.16:566:00
2611.16:556:01
2711.16:546:02
2811.26:536:02

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 3.22 kWh/m².

For context, solar energy here swings from a low near 2.17 kWh/m² to a high of 5.6 kWh/m² in May across the year — February's 3.22 kWh/m² falls in the middle.

01234151015202528
Solar energy (kWh/m²)Level
12.8Moderate
22.8Moderate
32.8Moderate
42.9Moderate
52.9Moderate
62.9Moderate
73.0Moderate
83.0Moderate
93.0Moderate
103.1Moderate
113.1Moderate
123.1Moderate
133.2Moderate
143.2Moderate
153.2Moderate
163.3Moderate
173.3Moderate
183.4Moderate
193.4Moderate
203.4Moderate
213.5Moderate
223.5Moderate
233.5Moderate
243.6Moderate
253.6Moderate
263.6Moderate
273.7Moderate
283.7Moderate
Planning a trip in February

Hazard calendar for Yamaguchi

In seasonPeak

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

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

Yamaguchi's rainy season runs April–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 February a good time to visit Yamaguchi?

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

2.2
Sightseeing
11th-best month of the year
0.0
Beach & pool
11th-best month of the year

February is a weaker month for outdoor sightseeing in Yamaguchi.

What to pack for Yamaguchi in February

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

In February, Yamaguchi sees daytime highs around 10°C and nights near 2°C. Pack a warm layer. Worth having: rain gear. About 10 days see rain.

a warm layerrain gear

Sea temperature near Yamaguchi in February

The nearest coast averages about 12°C in February — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 35 km away) is warmest in August at about 27°C and coldest in February near 12°C.

It's comfortable for a long swim from Jun 7 to Nov 11 — about 5.2 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb12Bracing
Mar12Bracing
Apr14Bracing
May17Cool
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov20Cool
Dec16Cool

UV index in Yamaguchi in February

LowModerateHighVery highExtreme

Clear-sky midday UV in February peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Yamaguchi 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
Apr7Very high
May8Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Yamaguchi in February

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where February falls, not just the annual average.

Air quality in Yamaguchi is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateApr 1023 µg/m³Oct 1111 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb19Moderate
Mar23Moderate
Apr23Moderate
May20Moderate
Jun16Moderate
Jul13Moderate
Aug15Moderate
Sep11Good
Oct11Good
Nov13Moderate
Dec12Moderate
Location & terrain

Where is Yamaguchi?

Yamaguchi sits at 34.2°N, 131.5°E, 157 m above sea level, in Japan. The nearest listed city is Ogōri-shimogō, 11 km away.

Topography around Yamaguchi

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

Within 3 km, the terrain around Yamaguchi has significant variations in elevation — a maximum elevation change of 424 m around an average of 118 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 780 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,369 m.

The land around Yamaguchi is covered by trees (60%) and artificial surfaces (35%) within 3 km, trees (83%) within 16 km, and water (51%) and trees (42%) within 80 km.

3 km
424 m
16 km
780 m
80 km
1,369 m
treesgrasslandcroplandartificial surfaceswater
February weather nearby: Ogōri-shimogō 11 km · Hōfu 17 km · Mine 23 km · Hagi 25 km · Sanyōonoda 33 km · Onoda 33 km · Nagato 33 km · Ube 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 Yamaguchi (34.1833°, 131.4667°, elevation 157 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).