Cool
Average highs are around 2°C, so pack for cooler days.
December verdict
Poor for holiday weather
Average highs are around 2°C, so pack for cooler days. Sunshine averages 1.7h per day, so this is not one of the brighter months. Rainfall averages 131mm, so some wet days are possible.
Monthly averages
Temp
2°C
Rain
131mm
Sun
1.7h
Sea
4°C
Weather score
14
Poor
Cool
Average highs are around 2°C, so pack for cooler days.
Showers
Rainfall averages 131mm, so some wet days are possible.
Limited sun
Sunshine averages 1.7h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 4°C, so the water can feel cool.
Map
Compare Trepassey and the Irish Loop, Canada with nearby places by weather score, rain, sun, temperature, and swim conditions.
December2°C average high
December is on the cooler side of Trepassey and the Irish Loop's year, useful if you prefer less intense daytime heat.
Warmest monthsJuly to September
This stretch sets the upper range for average daytime heat.
December131mm average rain
December sits near Trepassey and the Irish Loop's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsFebruary to September and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
December1.7 hours average sun
December is one of Trepassey and the Irish Loop's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsMay to September
This stretch has the strongest sunshine in the monthly averages.
December4°C average sea
December is below Trepassey and the Irish Loop's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to September
Sea temperatures are usually near 11°C in this stretch, so swimming comfort is at its strongest.
December14 weather score
December is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
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