Jokulsarlon Glacial Lagoon Weather in May
May in Jokulsarlon Glacial Lagoon brings low temperatures, with daytime highs of 6°C (43°F) and nights around 2°C (36°F). Rainfall is at its lowest this month, making it one of the more reliable months to be outdoors.
Rainfall in Jokulsarlon Glacial Lagoon in May
Expect fewer clouds and less rain as the month goes on. This makes it an ideal time for outdoor activities, even though the temperatures are on the cooler side. Past climate data indicates that roughly 16 days will see rain, totalling around 144 mm (5.7 in) for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.
Temperature in Jokulsarlon Glacial Lagoon in May
If you're visiting Jokulsarlon Glacial Lagoon in May, expect highs of 6°C (43°F) and overnight lows around 2°C (36°F). Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. With overnight lows of 2°C (36°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Jokulsarlon Glacial Lagoon in May
The month experiences a moderate amount of sunlight, with 172 hours of sunshine. This provides a nice balance between sunshine and clouds.If you're planning additional trips, our weather planner can help you find destinations that match your weather preferences.
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 Jokulsarlon Glacial Lagoon's climate page.
Jokulsarlon Glacial Lagoon Temperature in May
Min Temperature
2°C (36°F)
Max Temperature
6°C (43°F)
Chance of Rain
54%
Precipitation
144 mm (5.7 in)
Rainy days
16 days
Sunshine
172 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Jokulsarlon Glacial Lagoon typically stay consistent throughout May, with daily highs averaging around 6°C (43°F). Nights are cold, with lows typically ranging from 2°C (36°F) to 6°C (43°F).
Average temperatures in May
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 May
Historical weather for Jokulsarlon Glacial Lagoon in May
Browse day-by-day weather records for Jokulsarlon Glacial Lagoon spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Jokulsarlon Glacial Lagoon historical weather extremes in May
Based on weather observations in Jokulsarlon Glacial Lagoon between 1976 and 2026, these are the recorded extremes during May.
- The hottest May day on record in Jokulsarlon Glacial Lagoon reached 20°C (68°F) (May 21, 1987).
- The coldest May day was on May 1, 1982, with a maximum of -1°C (30°F).
- The lowest overnight temperature recorded in May was -10°C (14°F) (May 8, 2015).
- The heaviest May precipitation occurred on May 4, 1993, when 44 mm (1.7 in) of precipitation fell.
Best Places in Iceland in May
Find out more about the weather in Iceland and which places have the best travel conditions in this month. See all of Iceland in May →
perfect weather
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tolerable
unpleasant
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What to Wear in Jokulsarlon Glacial Lagoon in May
We recommend to layer up for chilly conditions in Jokulsarlon Glacial Lagoon in May. 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. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Jokulsarlon Glacial Lagoon in May
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 Jokulsarlon Glacial Lagoon's climate page.
See the full Jokulsarlon Glacial Lagoon climate overview or explore weather in Iceland.
