Climate guide for Blue Lagoon, Iceland

Blue Lagoon in March

Weather, crowds & best time to visit

How to read the score (0–10)
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March · Iceland

Best time to visit Blue Lagoon in March Weather, crowds & prices

Weather in Blue Lagoon in March

Average temperature 1°C, 118 mm of rain, about 0 days with 6+ hours of sunshine and 86% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

March score

3.3/10

Ranked #8 of 12 months

Full year for Blue Lagoon
Avg temp
1°C
Rainfall
118 mm
Humidity
86%
Days with 6h+ sun
0
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

March in Blue Lagoon scores 3.3/10 for nature and wildlife travel - ranked #8 of 12. Expect around 1°C, 118 mm of rain, and roughly 0 days with 6+ hours of sunshine this month.

Milky geothermal waters in a black lava field, striking year-round against cool Icelandic air.

March in Blue Lagoon: expect compromises

At 1°C (34°F) this is proper winter weather in March: layer up and split the day between outdoor highlights and indoor stops.

118 mm of water-equivalent precipitation makes this a snowy month at resort level; what falls stays as snow, with almost no days with 6+ hours of sunshine and 11.2 hours of daylight.

That is 3.3/10 on the same scale — 8th of 12 months, versus 7.7/10 for the best month here.

Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.

Budget for low-season pricing, and crowds are light for this destination.

If your dates are flexible, July is materially better in Blue Lagoon — 4.4 points higher on the same scale.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Blue Lagoon in March?
In March, Blue Lagoon averages 1°C, 118 mm of rain, and about 0 days with 6+ hours of sunshine. Its climate-comfort score is 3.3/10.
Is March a good time to visit Blue Lagoon?
March earns a 3.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Blue Lagoon in March?
Expect about 118 mm of rain in March. Average humidity is 86% and there are about 0 days with 6+ hours of sunshine.

Curated in Blue Lagoon

Tickets & experiences

Things to do in Blue Lagoon

Blue Lagoon, Iceland. Live activities and tours from GetYourGuide, matched to this destination.