Koga weather in February

In February, Koga sees average daytime highs of 11°C and overnight lows near 4°C, with 65 mm of precipitation across 9.2 wet days and about 10.7 hours of daylight. It is the 11th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 10°C in the first days to 12°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 Koga's 9th-clearest and 3rd-windiest month. For the whole year in context, see Koga's year-round climate.

Daytime high
11°
11th warmest
Overnight low
2nd coldest
Precipitation
65 mm
9.2 wet days
Daylight
10 h 48 min
7:10 AM – 5:55 PM
Cloud cover
67%
9th clearest
Wind
12 km/h
3rd windiest
Solar energy
3.15 kWh/m²
Travel score
2.7
out of 10

Koga is city in Fukuoka Prefecture, Japan.

Density
1,397/km²
people per km²
Founded
1997

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 10°C in the first days to 12°C by the end.

A typical February day in Koga reaches about 11°C in the afternoon and slips back to 4°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 15°C. Set against its neighbours, February runs about 1°C warmer than January and about 3°C cooler than March.

10°15°20°151015202528
Avg high (°C)Avg low (°C)
1104
2104
3104
4104
5104
6104
7104
8104
9104
10114
11114
12114
13114
14114
15114
16114
17114
18115
19115
20125
21125
22125
23125
24125
25125
26125
27125
28125

How February really feels in Koga

Once humidity and wind are folded in, February 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

February sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Koga weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan10° / 629.91.2102.2
Feb11° / 659.20.810.72.7
Mar14° / 10811.30.211.74.1
Apr19° / 11°11910.5012.86.0
May24° / 16°13110013.76.8
Jun27° / 20°25314.3014.25.6
Jul30° / 24°249160144.0
Aug32° / 25°15514.5013.33.6
Sep28° / 22°17412.8012.25.5
Oct23° / 16°957.6011.27.3
Nov18° / 11°828.4010.25.9
Dec12° / 669.20.39.83.4

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 18% of February, with mostly cloudy or overcast conditions the remaining 63%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202528
Clearer (%)Cloudier (%)
13367
23466
33466
43565
53565
63664
73664
83664
93763
103664
113763
123664
133763
143763
153763
163763
173763
183763
193763
203862
213763
223763
233763
243862
253862
263862
273862
283961

Chance of precipitation in February

Any precipitationSnow

Koga gets around 65 mm of rain and snow over 9.2 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 34% and peaks near 35% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202528
Rain chance (%)Snow chance (%)
1344
2334
3334
4334
5334
6334
7334
8334
9333
10333
11333
12333
13333
14333
15332
16332
17332
18332
19332
20342
21342
22342
23342
24342
25351
26351
27351
28351

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 99% 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
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991

Wind in February

Winds average 12 km/h in February.

Across February, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202528
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze

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 7:21 AM to 6:56 AM, and sunset from 5:42 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202528
Daylight (h)Sunrise (AM)Sunset (PM)
110.37:215:42
210.47:215:43
310.47:205:44
410.47:195:45
510.57:195:46
610.57:185:47
710.57:175:48
810.57:165:49
910.67:165:50
1010.67:155:51
1110.67:145:52
1210.77:135:52
1310.77:125:53
1410.77:115:54
1510.87:105:55
1610.87:095:56
1710.87:085:57
1810.87:075:58
1910.97:065:59
2010.97:056:00
2110.97:046:01
2211.07:036:02
2311.07:026:03
2411.07:016:03
2511.17:006:04
2611.16:596:05
2711.16:576:06
2811.26:566:07

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 3.15 kWh/m².

For context, solar energy here swings from a low near 2.14 kWh/m² to a high of 5.51 kWh/m² in May across the year — February's 3.15 kWh/m² falls in the middle.

01234151015202528
Solar energy (kWh/m²)Level
12.7Moderate
22.7Moderate
32.8Moderate
42.8Moderate
52.8Moderate
62.9Moderate
72.9Moderate
82.9Moderate
93.0Moderate
103.0Moderate
113.0Moderate
123.1Moderate
133.1Moderate
143.1Moderate
153.2Moderate
163.2Moderate
173.2Moderate
183.3Moderate
193.3Moderate
203.3Moderate
213.4Moderate
223.4Moderate
233.5Moderate
243.5Moderate
253.5Moderate
263.5Moderate
273.6Moderate
283.6Moderate
Planning a trip in February

Hazard calendar for Koga

In seasonPeak

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

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

Koga'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 Koga?

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

2.7
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 Koga.

What to pack for Koga in February

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

In February, Koga sees daytime highs around 11°C and nights near 4°C. Pack a warm layer. Worth having: rain gear. About 9 days see rain.

a warm layerrain gear

Sea temperature near Koga in February

The nearest coast averages about 14°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 18 km away) is warmest in August at about 27°C and coldest in February near 14°C.

It's comfortable for a long swim from Jun 7 to Nov 20 — about 5.5 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb14Bracing
Mar14Bracing
Apr15Cool
May18Cool
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov20Refreshing
Dec18Cool

UV index in Koga 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 Koga peaks around July 21 at about 9 (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 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJul 21UV 9Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr8Very high
May8Very high
Jun7Very high
Jul9Very high
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Koga 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 Koga is worst in April — around 25 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (October, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1225 µg/m³Oct 1212 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar25Moderate
Apr25Moderate
May23Moderate
Jun18Moderate
Jul13Moderate
Aug15Moderate
Sep13Moderate
Oct12Moderate
Nov15Moderate
Dec14Moderate
Location & terrain

Where is Koga?

Koga sits at 33.7°N, 130.5°E, 10 m above sea level, in Japan. The nearest listed city is Nishifukuma, 4.0 km away.

Topography around Koga

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

Within 3 km, the terrain around Koga has only modest variations in elevation — a maximum elevation change of 108 m around an average of 13 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 674 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,246 m.

The land around Koga is covered by artificial surfaces (43%) and water (30%) within 3 km, water (42%) and trees (32%) within 16 km, and water (51%) and trees (34%) within 80 km.

3 km
108 m
16 km
674 m
80 km
1,246 m
treesgrasslandcroplandartificial surfacesbare terrainwater
February weather nearby: Nishifukuma 4.0 km · Shingū 4.0 km · Fukutsu 6.0 km · Munakata 11 km · Wakasugi 15 km · Sasaguri 15 km · Fukuoka 16 km · Sue 16 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 Koga (33.7333°, 130.4667°, elevation 10 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).