Ibaraki, Japan
Koga
Koga is a city in Ibaraki, Japan. It has a population of about 138,237 (2021). The climate is classified as humid subtropical (Köppen Cfa), with rain spread through the year and no real dry season.
Now12°C
Best timeApr · Oct–Nov
Population138,237
Local time01:19
36.18° N, 139.72° EElevation 17 mUTC+9 · Japan Standard Time
Postal codes306-0000, 306-0001 …October: high / low20° / 13°
Rain this month168mm
Best timeApr · Oct–Nov
Best: Apr · Oct–Nov. Warmth, sunshine and dry days, month by month.
Koga at a glance
Sunrise · sunset05:54 · 16:5811 h 04 min of daylightThe moon tonightWaxing gibbous86% · Moonrise 15:06Next holiday3 NovemberCulture DayNext eclipse21 Feb 2027Penumbral lunar eclipse
Best time to visitApr · Oct–Nov
The months with the highest weather score
Warmest month30°C
Average high in August
Coolest month-2°C
Average low in January
Wettest monthJuly
168 mm of rain
Driest monthJanuary
37 mm of rain
Monuments nearby4+
within 11 km
Weather in Koga
Now and the next ten days. The 14 and 30-day outlooks are one click away.
12°C
Today hour by hourClear · wind 9 km/h · humidity 69%
Today23 Oct19°10°
Sat24 Oct18°15°10.8 mm
Sun25 Oct22°17°
Mon26 Oct19°17°28.8 mm
Tue27 Oct23°17°9.8 mm
Wed28 Oct18°11°
Thu29 Oct15°8°1 mm
Fri30 Oct18°11°0.5 mm
Sat31 Oct22°10°
When to go to Koga
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 | 47 | 45 | 41 | 65 | 58 | 54 | 43 | 41 | 56 | 68 | 69 | 48 |
| High | 8° | 8° | 12° | 18° | 22° | 25° | 28° | 30° | 26° | 20° | 15° | 10° |
| Low | -2° | -1° | 2° | 8° | 13° | 17° | 21° | 23° | 19° | 13° | 6° | 1° |
| Rain (mm) | 37 | 41 | 81 | 110 | 132 | 160 | 168 | 190 | 216 | 168 | 72 | 38 |
| Wet days | 5 | 5 | 10 | 12 | 15 | 14 | 21 | 19 | 18 | 12 | 6 | 5 |
What's on in Koga
Concerts, football matches, the public holidays ahead and the town's festivals through the year.
Monuments and museums in Koga
1.6 km
Former Tobita Family ResidenceBuilt 1800
11 km
Raiden ShrineBuilt 598
11 km
Hōzōji Marsh9.5 km
Otomefudōhara Tile Kiln
Museum1.6 km
Koga Museum of LiteratureBuilt 1998
Museum1.7 km
Koga History MuseumBuilt 1990More museums: 鷹見泉石記念館
Outdoors around Koga
Hiking routes from the town, and what there is to do within 15 km: huts, viewpoints, climbing, camping, ski areas and dive sites.
渡良瀬カントリークラブGolf courses
0.8 km八千代グリーンビレッジ憩遊館Camp sites
1.8 kmはなさき水上公園Water parks
2.4 km渡良瀬遊水地ウォッチングタワーViewpoints
2.7 km展望舎Viewpoints
3.2 kmサンワ設計ネーブルパークCamp sites
4 kmNature around Koga
Wildlife in October
The birds and mammals of Japan seen most this month, compared with the rest of their year.
The sky over Koga
Earthquakes around Koga
The last 30 days within 300 km, and the record since 1950.
Last 30 days16magnitude 2.5+ within 300 kmSince 1950488magnitude 5+ within 150 kmSignificant earthquakes on record142within 300 km
Strongest nearby since 1950
7.9Ōarai 47 km →2011 · 126 km
6.7Chōnan 4 km ↙1987 · 102 km
6.6Tanagura 4 km ↘2011 · 110 km
6.6Ojiya 8 km ↓2004 · 143 km
Universities and research institutes
Koyo SchoolsUniversity or college · founded 1924
Towns and villages around Koga
Each with its own page: weather, climate and the best time to visit.
Koga from above
Around Koga32 places to see, do and reach nearby
Watarase RiverNature3.7 kmYata River, TochigiNature6.0 kmUzuma RiverNature7.7 kmOmoi RiverNature4.5 kmAinokawa RiverNature9.2 kmLake MiyukiNature10 kmMount TsukubaMountain35 kmMount AkayukiMountain39 kmMount KinokoMountain39 kmSekison San, GunmaMountain38 kmMount HōkyōMountain37 kmMount TeruishiMountain20 kmFormer Tobita Family ResidenceMonument1.6 kmRaiden ShrineMonument11 kmHōzōji MarshMonument11 kmOtomefudōhara Tile KilnMonument9.5 kmKoga Museum of LiteratureMuseum1.6 kmKoga History MuseumMuseum1.6 kmEngravings MuseumMuseum1.8 kmKoga Machikado Art MuseumMuseum1.8 kmOyama City MuseumMuseum9.4 kmStationStation1.4 kmStationStation2.9 kmStationStation5.5 kmKoga · ferry portFerry port25 kmKoga · ferry portFerry port26 kmTochigiPlace22 kmKasukabePlace22 kmOyamaPlace15 kmHanyūPlace17 kmGyōdaPlace24 kmSanoPlace19 km
Postal codes
306-0000306-0001306-0002306-0003306-0004306-0005306-0006306-0007306-0011306-0012306-0013306-0014306-0015306-0016306-0021306-0022306-0023306-0024306-0025306-0026306-0031306-0032306-0033306-0034306-0035306-0036306-0037306-0038306-0041306-0042306-0043306-0044306-0045306-0046306-0047306-0051306-0055306-0056306-0204306-0205306-0206306-0221306-0222306-0223306-0224306-0225306-0226306-0232306-0233306-0234306-0235306-0236306-0292349-1202349-1203349-1204349-1205349-1213349-1214349-1215349-1221349-1292
Getting to Koga
Ibaraki AirportIBR
63 kmTokyo Haneda International AirportHND
71 kmNarita International AirportNRT
76 km古河Railway station
1.4 km新古河Railway station
2.9 km野木Railway station
5.5 km赤岩渡船赤岩渡船
25 km赤岩渡船赤岩渡船
26 kmPlaces near Koga
Places with a climate like Koga
Matched month by month on temperature, rain and sunshine.
Frequently asked questions
When is the best time to visit Koga?
Based on 30-year climate normals, April, October and November offer the best balance of comfortable temperatures, low rainfall and sunshine in Koga.
What is the hottest month in Koga?
August is the warmest month, with average highs of 30°C and lows of 23°C.
What is the coldest month in Koga?
January is the coldest month, with average highs of 8°C and lows of -2°C.
What is the rainiest month in Koga?
July is the wettest month with about 168 mm of precipitation on 21 wet days.
What is the postal code of Koga?
Koga has 62 postal codes: 306-0000, 306-0001, 306-0002, 306-0003, 306-0004, 306-0005, 306-0006, 306-0007, 306-0011, 306-0012, 306-0013, 306-0014 ….