Cool
Average highs are around 7°C, so pack for cooler days.
April verdict
Poor for holiday weather
Average highs are around 7°C, so pack for cooler days. Sunshine averages 0h per day, so this is not one of the brighter months. Rainfall averages 130mm, so some wet days are possible.
Monthly averages
Temp
7°C
Rain
130mm
Sun
0h
Sea
3°C
Weather score
17
Poor
Cool
Average highs are around 7°C, so pack for cooler days.
Showers
Rainfall averages 130mm, so some wet days are possible.
Limited sun
Sunshine averages 0h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 3°C, so the water can feel cool.
Map
Compare Heard Island and McDonald Islands with nearby places by weather score, rain, sun, temperature, and swim conditions.
April7°C average high
April sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJanuary to May
This stretch sets the upper range for average daytime heat.
April130mm average rain
April is one of Heard Island and McDonald Islands' wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to February and June to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
April0 hours average sun
April is close to Heard Island and McDonald Islands' usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
April3°C average sea
April is one of Heard Island and McDonald Islands' warmest sea months, when swimming comfort is usually strongest.
Warmest seaJanuary to June and December
Sea temperatures are usually near 3°C in this stretch, so swimming comfort is at its strongest.
April17 weather score
April is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to February and November to December
These months have the strongest weather score in the monthly averages.