Cool
Average highs are around 15°C, so pack for cooler days.
May verdict
Sarpsborg, Norway in May
Weather score31Poor
Poor for holiday weather
Average highs are around 15°C, so pack for cooler days. Sunshine averages 7.3h per day, enough for a balanced month. Rainfall averages 55mm, which is relatively low for holiday planning.
May weather
Monthly averages
Temp
15°C
Rain
55mm
Sun
7.3h
Sea
11°C
Weather score
31
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 55mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.3h per day, enough for a balanced month.
Cool sea
Sea temperatures average 11°C, so the water can feel cool.
Map
Weather map
Compare Sarpsborg, Norway with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May15°C average high
May sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to August
This stretch sets the upper range for average daytime heat.
Rain
May55mm average rain
May sits on the drier side of Sarpsborg's year, which helps with sightseeing and transfers.
Driest monthsJanuary to June and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May7.3 hours average sun
May is brighter than Sarpsborg's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May11°C average sea
May is close to Sarpsborg's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJune to September
Sea temperatures are usually near 15°C in this stretch, so swimming comfort is at its strongest.
Weather score
May31 weather score
May sits close to Sarpsborg's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
