Koga weather in November

In November, Koga sees average daytime highs of 18°C and overnight lows near 11°C, with 82 mm of rain across 8.4 wet days and about 10.2 hours of daylight. It is the 8th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 20°C in the first days to 15°C by the end. The sky is clear or mostly clear about 34% of the time in November, and the air most often feels dry.

Daylight stretches from about 10 h 36 min at the start of November to 9 h 54 min by month's end. Set against the rest of the year, November is Koga's 2nd-clearest and 9th-windiest month. For the whole year in context, see Koga's year-round climate.

Daytime high
18°
8th warmest
Overnight low
11°
5th coldest
Rainfall
82 mm
8.4 wet days
Daylight
10 h 12 min
6:57 AM – 5:10 PM
Cloud cover
55%
2nd clearest
Wind
11 km/h
9th windiest
Solar energy
2.68 kWh/m²
Travel score
5.9
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 November

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 20°C in the first days to 15°C by the end.

A typical November day in Koga reaches about 18°C in the afternoon and slips back to 11°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 21°C. Set against its neighbours, November runs about 6°C cooler than October and about 5°C warmer than December.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
12113
22013
32013
42013
52012
62012
72012
81912
91912
101912
111912
121911
131811
141811
151811
161811
171710
181710
191710
201710
211710
22169
23169
24169
25169
26169
27159
28158
29158
30158

How November really feels in Koga

Once humidity and wind are folded in, November 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

November 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 November compares with the rest of the year at a glance. November is the 8th-warmest and 9th-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 November

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 20% of November, with mostly cloudy or overcast conditions the remaining 46%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16139
26040
36040
45941
55842
65842
75842
85644
95644
105545
115446
125347
135347
145347
155248
165248
175248
185248
195248
205248
215248
225248
235248
245248
255248
265149
275149
285149
294951
304951

Chance of precipitation in November

Any precipitation

Koga gets around 82 mm of rain over 8.4 wet days in November. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 28% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
124
225
325
425
526
626
727
827
927
1028
1128
1228
1329
1429
1529
1628
1728
1828
1928
2028
2128
2228
2329
2429
2529
2629
2729
2830
2930
3030

Humidity in November

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, November lands in the dry band about 85% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1731872
2751771
3761761
4771661
5771661
6781561
7781561
8781561
9801451
10801451
11811351
12811351
13831250
14831250
15841150
16861040
17861040
1887940
1989830
2089830
2190730
2291720
2391720
2492620
2592620
2694510
2794510
2894510
2995410
3095410

Wind in November

Winds average 11 km/h in November.

Across November, 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.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
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

Sunrise & sunset in November

DaylightNight

Daylight runs from about 10 h 36 min at the start of November to 9 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over November. Sunrise moves from 6:43 AM to 7:09 AM, and sunset from 5:21 PM to 5:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
110.66:435:21
210.66:445:20
310.66:455:19
410.56:465:18
510.56:475:17
610.56:475:16
710.56:485:16
810.46:495:15
910.46:505:14
1010.46:515:14
1110.36:525:13
1210.36:535:12
1310.36:545:12
1410.36:555:11
1510.26:565:10
1610.26:575:10
1710.26:585:09
1810.26:595:09
1910.17:005:09
2010.17:015:08
2110.17:015:08
2210.17:025:07
2310.17:035:07
2410.07:045:07
2510.07:055:07
2610.07:065:06
2710.07:075:06
2810.07:085:06
2910.07:095:06
309.97:095:06

Solar energy in November

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in November, about 2.68 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 — November's 2.68 kWh/m² sits near the bottom.

01234151015202530
Solar energy (kWh/m²)Level
13.2Moderate
23.1Moderate
33.1Moderate
43.1Moderate
53.0Moderate
63.0Moderate
73.0Moderate
82.9Moderate
92.9Moderate
102.8Moderate
112.8Moderate
122.8Moderate
132.7Moderate
142.7Moderate
152.7Moderate
162.6Moderate
172.6Moderate
182.6Moderate
192.6Moderate
202.5Moderate
212.5Moderate
222.5Moderate
232.5Moderate
242.4Moderate
252.4Moderate
262.4Moderate
272.4Moderate
282.4Moderate
292.3Moderate
302.3Moderate
Planning a trip in November

Hazard calendar for Koga

In seasonPeak

In November, 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 November a good time to visit Koga?

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

5.9
Sightseeing
4th-best month of the year
1.9
Beach & pool
8th-best month of the year

November is a reasonable time to visit Koga for sightseeing.

What to pack for Koga in November

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

In November, Koga sees daytime highs around 18°C and nights near 11°C. Worth packing: rain gear. About 8 days see rain.

rain gear

Sea temperature near Koga in November

The nearest coast averages about 20°C in November — 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 November

LowModerateHighVery highExtreme

Clear-sky midday UV in November 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 November

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where November 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
November 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).