Fukuoka, Japan
Koiguchi
Koiguchi is a locality in Fukuoka, Japan, close to the sea. The climate is classified as humid subtropical (Köppen Cfa), with rain spread through the year and no real dry season.
Now14°C
Best timeApr · Oct–Nov
Population–
Local time21:38
33.85° N, 130.70° EElevation 6 mUTC+9 · Japan Standard Time
Postal code807-0047October: high / low22° / 16°
Rain this month79mm
Sea this month23°
Best timeApr · Oct–Nov
Best: Apr · Oct–Nov. Warmth, sunshine and dry days, month by month.
Koiguchi at a glance
Sunrise · sunset06:36 · 17:2710 h 52 min of daylightThe moon tonightLast quarter65% · Moonrise 21:59Next holiday3 NovemberCulture DayNext eclipse21 Feb 2027Penumbral lunar eclipse
Best time to visitApr · Oct–Nov
The months with the highest weather score
Warmest month31°C
Average high in August
Coolest month3°C
Average low in January
Wettest monthJuly
315 mm of rain
Driest monthDecember
66 mm of rain
Warmest sea27°C
August
Weather in Koiguchi
Now and the next ten days. The 14 and 30-day outlooks are one click away.
14°C
Today hour by hourClear · wind 3 km/h · humidity 88%
Today31 Oct21°14°
Sun1 Nov21°11°
Mon2 Nov21°16°9.5 mm
Tue3 Nov19°13°
Wed4 Nov18°12°
Thu5 Nov17°14°19.6 mm
Fri6 Nov18°13°
Sat7 Nov14°10°
Sun8 Nov16°9°
Mon9 Nov16°10°
When to go to Koiguchi
Each month's weather score (warmth, sun, dry days) with its temperatures and rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Score | 29 | 30 | 38 | 70 | 67 | 55 | 43 | 41 | 57 | 80 | 71 | 41 |
| High | 8° | 9° | 13° | 18° | 22° | 26° | 29° | 31° | 27° | 22° | 16° | 11° |
| Low | 3° | 4° | 6° | 11° | 15° | 19° | 24° | 25° | 21° | 16° | 10° | 5° |
| Rain (mm) | 76 | 86 | 121 | 134 | 155 | 285 | 315 | 161 | 191 | 79 | 86 | 66 |
| Wet days | 9 | 9 | 12 | 10 | 11 | 14 | 18 | 17 | 14 | 8 | 8 | 7 |
| Sea | 16° | 14° | 14° | 15° | 18° | 21° | 25° | 27° | 26° | 23° | 20° | 18° |
What's on in Koiguchi
Concerts, football matches, the public holidays ahead and the town's festivals through the year.
Monuments and museums in Koiguchi
Nature around Koiguchi
Wildlife in October
The birds and mammals of Japan seen most this month, compared with the rest of their year.
The sky over Koiguchi
Earthquakes around Koiguchi
The last 30 days within 300 km, and the record since 1950.
Last 30 days2magnitude 2.5+ within 300 kmSince 195042magnitude 5+ within 150 kmSignificant earthquakes on record62within 300 km
Strongest nearby since 1950
7.0Kotō 2 km ↗2016 · 118 km
6.8Uki 1 km ↓2026 · 137 km
6.6Maebaru-chūō 28 km ↑2005 · 53 km
6.5Bungo-Takada-shi 6 km ↘1983 · 82 km
Fossil sites near this town
Fossil sites: 1 · 0 km
Paleogene · 1
Formations around the town
Towns and villages around Koiguchi
Each with its own page: weather, climate and the best time to visit.
Miyoshino0.3 kmKorosueminami0.4 kmYoshidahigashi0.6 kmYoshidanishi0.8 kmKorosuekita0.9 kmShimofutahigashi1 kmTakao1 kmShimofutanishi1 kmChūō1.2 kmMizumaki1.3 kmTateyashiki1.3 kmEburi1.5 kmIsaza1.5 kmMidorigaoka1.5 kmFutahigashi1.7 kmMuta1.8 kmYoshidaminami1.8 kmKoga1.8 kmFutanishi1.9 kmKanente2 kmTakamatsu2.1 kmOki2.3 kmKyūtei2.3 kmHiguchihigashi2.3 kmHiguchi2.4 kmHirowatari2.4 kmOira2.5 kmOkanodai2.5 kmOngagawa2.8 kmKatamuda2.8 kmDōkan2.8 kmMatsunomoto3 kmInokuma3.2 kmKimori3.3 kmShimado3.5 kmFujigamoto3.6 kmImakoga3.6 kmRengaku3.7 kmShimazu3.9 kmBefu4 kmHanazono4 kmOnizu4.1 kmAsagi4.1 kmJōnokoshi4.1 kmNamiuchi4.2 kmHamagucimachi4.3 kmDen’en4.4 kmTakaya4.4 kmIshihara4.5 kmEgawadai4.6 kmMuramae4.6 kmŌshiro4.6 kmMimuta4.6 kmChiyomaru4.7 kmGionmachi4.7 kmMidorigaoka4.7 kmOgura4.7 kmKomine4.8 kmKamibefu4.8 kmMushōzu-minami4.8 kmTakahamamachi4.9 kmHōkaura4.9 kmOzaki4.9 kmAshiya4.9 kmŌkimi4.9 kmKishimoto5 kmKotorigake5 kmSendōmachi5.1 kmFuyō5.1 kmGanihami5.1 kmŌtani5.2 kmMushōzu5.2 kmAwaya5.3 kmFutamata5.3 kmAkifuji5.3 kmŌtsubo5.4 kmSeimonmachi5.5 kmHotokenotsuji5.5 kmSōgatani5.5 kmWakabadai5.6 km
Postal code
807-0047
Places near Koiguchi
Frequently asked questions
When is the best time to visit Koiguchi?
Based on 30-year climate normals, April, October and November offer the best balance of comfortable temperatures, low rainfall and sunshine in Koiguchi.
What is the hottest month in Koiguchi?
August is the warmest month, with average highs of 31°C and lows of 25°C.
What is the coldest month in Koiguchi?
January is the coldest month, with average highs of 8°C and lows of 3°C.
What is the rainiest month in Koiguchi?
July is the wettest month with about 315 mm of precipitation on 18 wet days.
How warm is the sea near Koiguchi?
The sea is warmest in August at about 27°C and coolest in February at about 14°C.
What is the postal code of Koiguchi?
The postal code of Koiguchi is 807-0047.