Climate
The climate is tropical, average temperatures yeararound of 85F.  From April to October, the Southeast trade winds blow, and it is dry & windy.  November to March, it is warmer and more humid with monsoon rains and the possibility of cyclones.  Cyclones start in the Coral Sea and the area of the Solomon Islands, but they usually steer towards Vanuatu and New Caledonia or down the coast of Australia.

Water
The water temperature averages between 80-85F. 

Currency
The Solomon Islands dollar (SI) dollar is the official currency. Traveler checks can be changed at provincial capitals, but rarely elsewhere.  So it is best to change your travelers checks at a bank in Honiara before traveling to outer regions. Major credit cards are widely accepted in hotels and restaurants in Honiara and at larger hotels and resorts in the provinces.  

Language
English is the official language, but Solomon Island Pijin and some 87 local languages and dialects are spoken everywhere.  Even though English is the official language and widely understood, it is rarely spoken.

Diving
Dives are made from either a dinghy or the mother ship.   

Departure tax
There is a SI$30 airport departure tax.

Health 
It is tropical so there is Malaria.  Consult with your physician on anti malarial medication. Malaria risk is highest during the west season.  It is advisable to boil the water before drinking or get bottled water. 

Electricity
The electricity supply is 230/415 volts at 50Hz