Cool
Average highs are around 19°C, so pack for cooler days.
August verdict
Norrtälje, Sweden in August
Weather score44Mixed
Mixed for holiday weather
Average highs are around 19°C, so pack for cooler days. Sunshine averages 6.3h per day, enough for a balanced month. Rainfall averages 60mm, which is relatively low for holiday planning.
August weather
Monthly averages
Temp
19°C
Rain
60mm
Sun
6.3h
Sea
17°C
Weather score
44
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 60mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.3h per day, enough for a balanced month.
Cool sea
Sea temperatures average 17°C, so the water can feel cool.
Map
Weather map
Compare Norrtälje, Sweden with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August19°C average high
August is one of Norrtälje's hottest months, so shade and slower afternoons matter.
Warmest monthsJune to August
This stretch sets the upper range for average daytime heat.
Rain
August60mm average rain
August is one of Norrtälje's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to June and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August6.3 hours average sun
August is brighter than Norrtälje's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay to July
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August17°C average sea
August is one of Norrtälje's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to September
Sea temperatures are usually near 16°C in this stretch, so swimming comfort is at its strongest.
Weather score
August44 weather score
August scores above Norrtälje's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
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