Warm
Average highs sit around 26°C, giving warm days by monthly-average standards.
March verdict
Saint Helena, Ascension and Tristan da Cunha in March
Weather score90Excellent
Excellent for holiday weather
Average highs sit around 26°C, giving warm days by monthly-average standards. Sunshine averages 0h per day, so this is not one of the brighter months. Rainfall averages 6mm, which is relatively low for holiday planning.
March weather
Monthly averages
Temp
26°C
Rain
6mm
Sun
0h
Sea
25°C
Weather score
90
Excellent
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 6mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 0h per day, so this is not one of the brighter months.
Swimmable
Sea temperatures average 25°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Saint Helena, Ascension and Tristan da Cunha with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
March26°C average high
March is one of Saint Helena's warmest months, with daytime heat above the yearly average.
Warmest monthsJanuary to April
This stretch sets the upper range for average daytime heat.
Rain
March6mm average rain
March is close to Saint Helena's usual rainfall pattern, with little seasonal change across the year.
Driest monthsAll year
Rainfall stays comparatively low through the year.
Sun
March0 hours average sun
March is close to Saint Helena's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
Sea temperature
March25°C average sea
March is one of Saint Helena's warmest sea months, when swimming comfort is usually strongest.
Warmest seaFebruary to May
Sea temperatures are usually near 25°C in this stretch, so swimming comfort is at its strongest.
Weather score
March90 weather score
March scores above Saint Helena's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJanuary to April
These months have the strongest weather score in the monthly averages.