Mild
Average highs are around 25°C, so days are mild rather than hot.
January verdict
Saint Helena, Ascension and Tristan da Cunha in January
Weather score89Excellent
Excellent for holiday weather
Average highs are around 25°C, so days are mild rather than hot. Sunshine averages 0h per day, so this is not one of the brighter months. Rainfall averages 3mm, which is relatively low for holiday planning.
January weather
Monthly averages
Temp
25°C
Rain
3mm
Sun
0h
Sea
23°C
Weather score
89
Excellent
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 3mm, 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 23°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
January25°C average high
January sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJanuary to April
This stretch sets the upper range for average daytime heat.
Rain
January3mm average rain
January 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
January0 hours average sun
January 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
January23°C average sea
January is close to Saint Helena's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaFebruary to May
Sea temperatures are usually near 25°C in this stretch, so swimming comfort is at its strongest.
Weather score
January89 weather score
January 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.