Blue Lagoon Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Blue Lagoon.
Climate overview of Blue Lagoon
The climate in Blue Lagoon, Reykjanes, Iceland, sees a moderate range of temperatures across the year, from 14°C (57°F) in July down to 5°C (41°F) in February.
The city has a wet climate, receiving around 1427 mm (56 in) of rain/snowfall per year. September is the wettest month. The sunniest month is May, with 6.7 hours of sunshine per day on average.
Blue Lagoon Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Blue Lagoon — and find the best time to visit.
Monthly Temperature in Blue Lagoon
The climate in Blue Lagoon experiences moderate temperature changes, with mild shifts between seasons. On average, daytime temperatures range from a moderate 14°C (57°F) in July to a chilly 5°C (41°F) in February.
Nighttime temperatures range from 10°C (50°F) in July to 0°C (32°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Blue Lagoon
Blue Lagoon experiences significant rain/snowfall throughout the year, averaging 1427 mm (56 in) of precipitation annually. The amount of precipitation varies moderately throughout the year. The wettest month, September, sees around 149 mm (5.9 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, June, still receives a respectable 79 mm (3.1 in) of rainfall. For more details, please visit our Blue Lagoon Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Blue Lagoon
In Blue Lagoon, summer days are longer and more sunny, with daily sunshine hours peaking at 6.7 hours in May. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 0.7 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Blue Lagoon by Month
The relative humidity is high throughout the year in Blue Lagoon.
The city experiences its highest humidity in July, reaching 81%. In May, the humidity drops to its lowest level at 76%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Blue Lagoon
Frequently asked questions about the climate in Blue Lagoon
What is the best time to visit Blue Lagoon?
July typically offers the most optimal weather in Blue Lagoon. In contrast, January, February, March, April, May, September, October, November and December tend to have less optimal conditions.
What temperatures can I expect in Blue Lagoon?
Daytime highs range from 5°C (41°F) in February to 14°C (57°F) in July. Nighttime lows range from 0°C (32°F) to 10°C (50°F).
How much rain does Blue Lagoon get?
Annual rainfall is around 1427 mm (56 in). September is the wettest month with 149 mm (5.9 in), while June is the driest with 79 mm (3.1 in).
How sunny is Blue Lagoon?
Blue Lagoon receives around 1,327 hours of sunshine per year. May is the sunniest month with 201 hours, while January is the cloudiest with just 20 hours.
Blue Lagoon 3-Day Forecast
Blue Lagoon 3-Day Forecast
Blue Lagoon on the map
Blue Lagoon is highlighted — select any city to see its climate.
Popular this month
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