Blue Lagoon Weather in March
March in Blue Lagoon averages 5°C (41°F) during the day and 1°C (34°F) at night. Quite a bit of rainfall is typical this month, with around 125 mm (4.9 in) on average. An umbrella is a good idea.
Rainfall in Blue Lagoon in March
On average, there are about 20 days with rain during this month, averaging 125 mm (4.9 in). This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Blue Lagoon in March
Temperatures in Blue Lagoon in March top out at 5°C (41°F) and drop to 1°C (34°F) overnight. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. At 1°C (34°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Blue Lagoon in March
With about 111 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.March in Blue Lagoon has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Iceland, check out our Blue Lagoon's climate page.
Blue Lagoon Temperature in March
Min Temperature
1°C (34°F)
Max Temperature
5°C (41°F)
Chance of Rain
66%
Precipitation
125 mm (4.9 in)
Rainy days
20 days
Humidity
77% *
Sunshine
111 hours *
Percentage Sunshine
29% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Blue Lagoon typically stay consistent throughout March, with daily highs averaging around 5°C (41°F). Nights are very cold, with lows around -1°C (30°F).
Average temperatures in March
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in March
Historical weather for Blue Lagoon in March
Browse day-by-day weather records for Blue Lagoon spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Blue Lagoon historical weather extremes in March
Based on 50 years of weather observations in Blue Lagoon between 1976 and 2026, these are the recorded extremes.
- Blue Lagoon recorded its highest March temperature of 11°C (52°F) on March 20, 2005.
- The lowest daytime temperature in March was -9°C (16°F), recorded on March 6, 1998.
- The coldest night in March in Blue Lagoon was on March 1, 1998, with a minimum of -13°C (9°F).
Best Places in Iceland in March
Find out more about the weather in Iceland and which places have the best travel conditions in this month. See all of Iceland in March →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Blue Lagoon in March
We recommend to layer up for chilly conditions in Blue Lagoon in March. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Blue Lagoon in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Iceland, check out our Blue Lagoon's climate page.
Temperature Rainfall Sunshine Humidity
See the full Blue Lagoon climate overview or explore weather in Iceland.
