Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
Weather Guide
Solomon Islands Average Monthly Weather
Weather score57Good annual avg
Best months: June, August, September
Across the year, average daytime temperatures are around 30°C, sunshine averages 5.9h per day, and rainfall totals about 3173mm. Sea temperatures average 29°C across the year.
Annual weather
Annual averages
Temp
30°C
Rain
3173mm
Annual total
Sun
5.9h
Sea
29°C
Weather score
57
Good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 222mm, so showers are a real planning factor.
Some sun
Sunshine averages 6.1h per day, enough for a balanced month.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Solomon Islands with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August29°C average high
August is close to Solomon Islands' usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
August222mm average rain
August sits on the drier side of Solomon Islands' year, which helps with sightseeing and transfers.
Driest monthsMay to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August6.1 hours average sun
August is close to Solomon Islands' usual sunshine level, with limited seasonal swing across the year.
Brightest monthsJanuary, March to June, and August to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August28°C average sea
August is part of a consistently warm sea-temperature pattern, so swimming comfort changes little through the year.
Warmest seaAll year
Sea temperatures stay warm enough for easy swimming through the year.
Weather score
August61 weather score
August is one of Solomon Islands' best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsApril to December
These months have the strongest weather score in the monthly averages.