Region

Okayama

Local name: 岡山県

Located in Japan Coordinates: 34°54′07″ N 133°48′37″ E

Martin Falbisoner · CC BY-SA 4.0 · Wikimedia Commons

Population: 1,906,464; 1.9M
Elevation: 286 m; above sea level
Local time: UTC+09:00; Asia/Tokyo · UTC+09:00
Places inside: 30; listed under Okayama
When to go: May–JuneSeptember–October; See the climate
Airports: OKJ Okayama Momotaro Airport17 km; TTJ Tottori Sand Dunes Conan Airport77 km

About Okayama

Okayama is a region. Location: Japan. Population: 1,906,464.

From Wikipedia

Okayama Prefecture (岡山県, Okayama-ken; Japanese pronunciation: [ò̞.kä́.jä̀.mä̀, -jä́.mä́.kè̞ɴ̀]) is a prefecture of Japan located in the Chūgoku region of Honshu. Okayama Prefecture has a population of 1,815,165 (1 October 2025) and has a geographic area of 7,114 km2 (2,746 sq mi). Okayama Prefecture borders Tottori Prefecture to the north, Hyōgo Prefecture to the east, and Hiroshima Prefecture to the west.

At a glance

Built: 1871
Area: 7,113 km²
Official website: pref.okayama.jp

Source: Wikidata

Places bordering Okayama

Hiroshima
Tottori
Hyōgo
Kagawa

Climate of Okayama

Best months for sightseeing

Best months for sightseeing: May–June, September–October.

6° -2°

7° -2°

11° 1°

17° 6°

21° 11°

25° 16°

29° 21°

30° 22°

25° 17°

20° 11°

14° 5°

9° 0°

Jan

Feb

Mar

Apr

139

May

150

Jun

229

Jul

240

Aug

139

Sep

213

Oct

106

Nov

Dec

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

Climate of Okayama
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average high (°C)	6°	7°	11°	17°	21°	25°	29°	30°	25°	20°	14°	9°
Average low (°C)	-2°	-2°	1°	6°	11°	16°	21°	22°	17°	11°	5°	0°
Precipitation (mm)	50	66	96	139	150	229	240	139	213	106	69	43