Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
December verdict
Good for holiday weather
Average highs sit around 31°C, giving warm days by monthly-average standards. Sunshine averages 5.7h per day, enough for a balanced month. Rainfall averages 147mm, so some wet days are possible.
Monthly averages
Temp
31°C
Rain
147mm
Sun
5.7h
Sea
28°C
Weather score
64
Good
Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
Showers
Rainfall averages 147mm, so some wet days are possible.
Some sun
Sunshine averages 5.7h per day, enough for a balanced month.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Compare Sulu Islands, Philippines with nearby places by weather score, rain, sun, temperature, and swim conditions.
December31°C average high
December is one of Sulu Islands' warmest months, with daytime heat above the yearly average.
Warmest monthsJanuary to May and October to December
This stretch sets the upper range for average daytime heat.
December147mm average rain
December sits near Sulu Islands' yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to March and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
December5.7 hours average sun
December is one of Sulu Islands' cloudier months, so sunshine-led plans are less reliable.
Brightest monthsApril to May
This stretch has the strongest sunshine in the monthly averages.
December28°C average sea
December 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.
December64 weather score
December sits close to Sulu Islands' yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJanuary to April, August to September, and December
These months have the strongest weather score in the monthly averages.