Cool
Average highs are around 12°C, so pack for cooler days.
Weather Guide
Borgarnes, Iceland Average Monthly Weather
Weather score19Poor annual avg
Best months: May, June, July
Across the year, average daytime temperatures are around 5°C, sunshine averages 2.9h per day, and rainfall totals about 896mm. Sea temperatures average 8°C across the year.
Annual weather
Annual averages
Temp
5°C
Rain
896mm
Annual total
Sun
2.9h
Sea
8°C
Weather score
19
Poor avg
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 5.3h per day, enough for a balanced month.
Cool sea
Sea temperatures average 11°C, so the water can feel cool.
Map
Weather map
Compare Borgarnes, Iceland with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
July12°C average high
July is one of Borgarnes' hottest months, so shade and slower afternoons matter.
Warmest monthsJune to August
This stretch sets the upper range for average daytime heat.
Rain
July60mm average rain
July sits on the drier side of Borgarnes' year, which helps with sightseeing and transfers.
Driest monthsApril to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
July5.3 hours average sun
July is one of Borgarnes' sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
July11°C average sea
July is one of Borgarnes' warmest sea months, when swimming comfort is usually strongest.
Warmest seaJune to September
Sea temperatures are usually near 10°C in this stretch, so swimming comfort is at its strongest.
Weather score
July25 weather score
July scores above Borgarnes' yearly average, so the overall weather mix is stronger than most months.
Best weather monthsApril to August
These months have the strongest weather score in the monthly averages.
Hotels near Borgarnes, Iceland
Marriott
The Reykjavik EDITIONReykjavik, Iceland
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ION Adventure Hotel, Nesjavellir, a Member of Design Hotels™Nesjavellir, Iceland
Courtyard Reykjavik Keflavik AirportReykjanesbaer, Iceland