- Population
- 139,344
- 139.3K
- Elevation
- 17 m
- above sea level
- Local time
- UTC+09:00
- Asia/Tokyo · UTC+09:00
- Airports
- IBR Ibaraki Airport63 km
- HND Tokyo Haneda International Airport71 km
About Koga
Koga is a city. Location: Koga Shi, Ibaraki. Population: 139,344. Elevation: 17 m.
Koga (古河市, Koga-shi) is a city located in Ibaraki Prefecture, Japan. As of 1 January 2024, the city had an estimated population of 137,512 in 58,276 households and a population density of 1113 persons per km². The percentage of the population aged over 65 was 28.98%. The total area of the city is 123.58 square kilometres (47.71 sq mi).
Source: Wikipedia · CC BY-SA 4.0
Places bordering Koga
- Yūki
- Bandō
- Goka Machi
- Sakai
- Yachiyo Machi
- Kuki-shi
- Kazo
- Oyama
- Tochigi
- Nogi Machi
Twin towns and sister cities of Koga
- Mamurogawa Machi· Japan
- Sakura Shi· Japan
- Ono· Japan
Source: Wikidata. Only places with a page on this site are shown.
Population of Koga over time
| 2010 | 142,995 | |
|---|---|---|
| 2015 | 140,975 | |
| 2021 | 138,237 |
Censuses and official estimates; source: Wikidata.
Climate of Koga
Best months for sightseeingBest months for sightseeing: May–June, September–October.
This month · November
Outside the best season
Day 16° · Night 6° · Rain 70 mm
Better nearby cities in November
- Isehara · 95 km southwest18°
- Odawara · 115 km southwest19°
- Kofu · 118 km southwest17°
- Hottest month
- August (day 30°)
- Coldest month
- January (night -2°)
- Wettest month
- September (186 mm)
- Driest month
- January (34 mm)
Bars: average monthly low and high temperature. Below: precipitation. Monthly averages for 1970–2000 at about 18 km resolution, adjusted for elevation. Highlighted months are mild and relatively dry. Source: WorldClim 2.1 (CC BY 4.0).
Show values as a table
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high (°C) | 9° | 9° | 13° | 18° | 22° | 25° | 28° | 30° | 26° | 21° | 16° | 11° |
| Average low (°C) | -2° | -1° | 2° | 8° | 13° | 17° | 21° | 22° | 18° | 12° | 6° | 0° |
| Precipitation (mm) | 34 | 50 | 77 | 103 | 119 | 162 | 148 | 152 | 186 | 150 | 70 | 38 |
Other places to visit in this season: May June September October
How to get to Koga
The nearest airport is Ibaraki Airport (IBR), 63 km to the east as the crow flies. The nearest large city is Kazo, 13 km to the southwest.
Airports
- Ibaraki Airport (IBR) Omitama 63 kmeast
- Tokyo Haneda International Airport (HND) Tokyo 71 kmsouth
- Narita International Airport (NRT) Narita 76 kmsoutheast
Nearby large cities
- Kazo Population: 112.8K 13 kmsouthwest
- Kukichūō Population: 150.6K 13 kmsouth
- Oyama Population: 167.6K 15 kmnortheast
- Sano Population: 117.7K 19 kmnorthwest
- Kōnosu Population: 116.8K 22 kmsouthwest
Straight-line distances; road distances are longer. Airport data: OurAirports.
Sources & licences
Data last updated: · 2 independent sources