Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
December verdict
Very good for holiday weather
Average highs sit around 31°C, giving warm days by monthly-average standards. Sunshine averages 5.2h per day, enough for a balanced month. Rainfall averages 42mm, which is relatively low for holiday planning.
Monthly averages
Temp
31°C
Rain
42mm
Sun
5.2h
Sea
29°C
Weather score
78
Very good
Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
Drier
Rainfall averages 42mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 5.2h per day, enough for a balanced month.
Warm sea
Sea temperatures average 29°C, so swimming is usually comfortable by monthly-average standards.
Map
Compare Tiwai Island, Sierra Leone with nearby places by weather score, rain, sun, temperature, and swim conditions.
December31°C average high
December is close to Tiwai Island's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsFebruary to April
This stretch sets the upper range for average daytime heat.
December42mm average rain
December is one of Tiwai Island's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to April and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
December5.2 hours average sun
December sits close to Tiwai Island's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJanuary to April and November
This stretch has the strongest sunshine in the monthly averages.
December29°C average sea
December is one of Tiwai Island's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJanuary, April to June, and October to December
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
December78 weather score
December scores above Tiwai Island's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJanuary to February and December
These months have the strongest weather score in the monthly averages.