Warm
Average highs sit around 32°C, giving warm days by monthly-average standards.
May verdict
Mixed for holiday weather
Average highs sit around 32°C, giving warm days by monthly-average standards. Sunshine averages 5.4h per day, enough for a balanced month. Rainfall averages 256mm, so showers are a real planning factor.
Monthly averages
Temp
32°C
Rain
256mm
Sun
5.4h
Sea
29°C
Weather score
53
Mixed
Warm
Average highs sit around 32°C, giving warm days by monthly-average standards.
Wet
Rainfall averages 256mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.4h 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.
May32°C average high
May 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.
May256mm average rain
May sits near Tiwai Island's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
May5.4 hours average sun
May is brighter than Tiwai Island's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJanuary to April and November
This stretch has the strongest sunshine in the monthly averages.
May29°C average sea
May 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.
May53 weather score
May scores below Tiwai Island's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJanuary to February and December
These months have the strongest weather score in the monthly averages.