In May, the climate in the Solomon Islands is rather unfavorable for a weather-focused trip. Average temperatures are around 28°C, with values ranging approximately from 26°C to 30°C depending on the cities and times of day.
Temperatures are warm without being necessarily excessive: average readings reach up to 30°C at the warmest part of the day, and about 26°C at the coolest hours.
Rain is a real factor for travel to the Solomon Islands in May: monthly totals can reach 459 mm, with up to 22 days of precipitation in the most exposed areas.
If you are aiming for the seaside, swimming conditions are pleasant: sea temperature usually ranges between 30°C and 30°C.
The best options for cities and places remain fairly good this month, for example: San Christobal Island.
Overall, the month of May is not the most recommended time to travel to the Solomon Islands, unless your itinerary targets the best-exposed areas.
Some activities remain possible in the Solomon Islands in May, in particular: Beach and swimming, Boat trip and cruise, Diving and snorkeling, Watersports and Animal observation.