Kamchatka & Chukotka - M/V Sylvia Earle

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There are great variations in the altitude and terrain of the areas visited and this is reflected in the temperatures. Desert areas can be extremely hot in the summer months (49°), though temperatures can drop dramatically at night. The mountains are cooler and wetter especially in the north of the Rockies. At the beginning and end of the season there may still be some snow around in the high passes and it can be cold, whereas in mid-summer the day time temperatures can soar.

In European Russia snows usually start in November and stay till late March/early April, when a great thaw occurs with temperatures ranging from about 5°C in October and April to -15°C in January.

Japan's climate is mostly temperate, with five distinct seasons. Summer is from June to September with temperatures reaching 30°c, although it can vary from warm to very hot after mid-July with temperatures in the mid-30s. July and August can be very hot and humid. Spring and Autumn are mild throughout Japan. Winter, October to April, is cold with snowfall. The main rainy season is June. Japan can be prone to short, tropical cyclones in August to October. October / November although cooler is a great time to see the Autumn colours. For trips that visit the Snow Monkeys at Jigokudani Onsen, you're very likely to see them all year around, aside from in October/November when there is enough food in the forest to prevent them coming down to the baths. You may still see some at this time but not in the numbers found during the rest of the year.

Nothing compulsory, we recommend protection against typhoid, tetanus, diphtheria, polio and hepatitis A. Please check the latest requirements with your travel clinic or doctor prior to departure. The above is not an exhaustive list. Further information regarding vaccinations and travel health advice can be found by following the NHS and NaTHNaC links at Explore Travel Health and from your local healthcare provider. Visa and vaccination requirements are subject to change and should be confirmed by you before travelling.

Nothing compulsory, but we recommend protection against tetanus, typhoid, hepatitis A, polio and diphtheria. Tick-borne encephalitis is recommended by some medical sources if travelling in certain areas of Eastern Europe, at specific times of the year. Please check the latest requirements with your travel clinic or doctor prior to departure. The above is not an exhaustive list. Further information regarding vaccinations and travel health advice can be found by following the NHS and NaTHNaC links at Explore Travel Health and from your local healthcare provider. Visa and vaccination requirements are subject to change and should be confirmed by you before travelling. The Russian government advises that certain medications must be declared upon entry into the country, and you may also be required to carry a prescription with you. You should consult your local consulate for up to date information prior to travel.

Nothing compulsory. We recommend protection against typhoid, tetanus, infectious hepatitis and polio. The use or possession of Vicks inhalers and some other common prescription and over-the-counter medicines (e.g. for allergies and sinus problems or even certain mild painkillers, such as those containing certain levels of codeine) are banned under Japan's strictly enforced anti-stimulant drugs law. Customs officials may not be sympathetic if you claim ignorance about these medicines. If in any doubt about customs procedures for such items, you should check with the nearest Japanese Embassy before visiting Japan. Please check the latest requirements with your travel clinic or doctor prior to departure. The above is not an exhaustive list. Further information regarding vaccinations and travel health advice can be found by following the NHS and NaTHNaC links at Explore Travel Health and from your local healthcare provider. Visa and vaccination requirements are subject to change and should be confirmed by you before travelling.