Do you want to go diving but don't know where it is best now? Planning a dive holiday in a particular month and deciding where to go? Here you can check high season dates, telling you which dive destinations can be best visited in which months. From the cold water destinations in the northern hemisphere between may and august to a wicked Red Sea live-aboard tour in December; from most famous Cairn's Great Barrier Reef in Australian winter to Nov up to May for the Caribbean; there is always a place to go diving in perfect conditions.

Europe

Europe's climate offers cool winters and warmer summers. There isn't a real rainy season although the summer months tends to be a bit dryer. Europe's diving high season runs from Apr-Sep. In winter dive shops are more often closed and it is harder to find a dive boat that brings you out.

Africa

Egypt, Sudan, Red Sea: Year-round
The Red Sea can be dived throughout the year with a slight increase in popularity in the winter months.
Kenya, Mozambique, South Africa: Year-round

Middle East

Oman, Qatar and the UAE receive hardly any rain and have temperatures above 30 degrees Celsius in summer and often above 20 degrees in winter. Scuba diving is therefore done Year-round, with a slight rise during winter because of the milder temperatures.

Asia

Indonesia: Year-round
Jun-Oct is considered slightly dryer.
Malaysia: Borneo, Year-round: Peninsular Malaysia, Feb-Nov
Maldives: Year-round
Micronesia: Jan-May
From Jun-Dec, Micronesia is struck by typhoons and lots of rain.
Myanmar: Andaman Sea, Oct-Apr
Philippines: Nov-Jun
If there is a dryer season in the Philippines it should be between Nov and Jun and more distinctive the more west you go.
Thailand: Gulf of Thailand, May-Sep: Andaman Sea, Oct-Apr
There is always somewhere to dive in Thailand. When weather conditions get rougher in the Andaman Sea, it clears up in the Gulf of Thailand and visa versa.
Vietnam: Year-round

Oceania

Australia: Year-round
Southern Australia (New South Wales, South Australia, Tasmania) is best dived in summer from Nov-Feb, while the northern regions of Australia (Queensland, Northern Territory) including the Great Barrier Reef (GBR) can be dived any time. Western Australia north of Perth is warm enough to be dived throughout the year while south of Perth, you are better off diving in summer.
New Zealand: Nov-Feb
New Zealand can be dived throughout the year, although dive tours are better booked in summer when the weather is warmer and dryer.
Papua New Guinea: Apr-Jun, Sep-Dec
Some months are wetter than others, but year-round diving is possible through dive resorts and liveaboards as local dive shops are hard to find.

Pacific

Fiji, French Polynesia, Solomon-Islands: May-Nov
The dryer season in the southern Pacific islands goes from May to Nov.
Hawaii: Apr-Sep
Temperatures in summer and winter are not that different, but it is slightly dryer and warmer in summer.

Caribbean, Central America

Caribbean: Nov-May
The Caribbean offers warm and sunny tropical winters during Nov-May, while Jun-Oct is hurricane season, a time you prefer not to be there.
Central America: Caribbean Side Mrt-Aug, Pacific Side Dec-Apr
Central American countries such as Belize, Honduras but also Mexico can be dived throughout the year. The Caribbean Side is occasionally hit by typhoons and the Pacific Side is best dived in winter, early spring.

North America

Northern America, Vancouver-Seattle, Great-Lakes, Canada: Apr-Sep
Apr-Sep, the warmer summer months, are the best months to go diving in Northern America.
Florida: Oct-May
Florida's wet season is from Jun-Sep, which is also the time that it is occasionally hit by Caribbean hurricanes.
California: Year-round

Dive Seasons across the world; Where to go Diving and When?