Japan

Shiojiri

Shiojiri is a landlocked city in Nagano Prefecture, not a coastal diving destination. The nearby elevation and inland setting mean there is no local sea diving. Freshwater options exist in the region, notably Lake Hinuma for training or limited freshwater dives, but access and suitability are limited. For divers, Shiojiri serves as a gateway to Nagano’s alpine scenery and regional dive centers may focus on training or trips to nearby aquatic sites rather than destination diving within the city itself.

Essential information for traveling in Japan

About Japan

Sea
Philippine Sea, Japan Sea/East Sea, Seto Naikai...
Timezone
Asia/Tokyo
Languages
JA
Demonym
Japanese
Phone prefix
+81

Practicalities

Currency
JPY
Voltage
110
Plug type
Type A
Airports
OKA HND NRT KIX NGO

Diving specifics

Temperature
°C
Depth units
meters
Pressure
bar
Regulators
DIN Yoke (INT)

Dive sites and dive centers around Shiojiri

Nearby Dive Centers (1)

The best time to dive in Shiojiri

The best months to dive in Shiojiri are from August. Temperatures are confortable (25°C), currents are mild and the visibility is at its best.

Excellent Good Fair Mitigated
01 - Jan.
1 °C 8/10
02 - Feb.
0 °C 7/10
03 - Mar.
5 °C 6/10
04 - Apr.
11 °C 7/10
05 - May
16 °C 5/10
06 - Jun.
21 °C 5/10
07 - Jul.
25 °C 6/10
08 - Aug.
25 °C 7/10
09 - Sept.
22 °C 6/10
10 - Oct.
15 °C 6/10
11 - Nov.
7 °C 8/10
12 - Dec.
3 °C 7/10

Based on last year's weather. Scores compare months for this destination only and are indicative. A mitigated month may still suit many divers.

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