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Jokulsarlon Glacial Lagoon in April sees low temperatures, with highs around 4°C (39°F) and overnight lows of -1°C (30°F). With the rainy season in full effect, expect around 209 mm (8.2 in) of snow/rainfall and regular showers throughout the month.
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Pick a month to see the average temperature, rainfall and sunshine in Jokulsarlon Glacial Lagoon - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Jokulsarlon Glacial Lagoon typically stay consistent throughout April, with daily highs averaging around 4°C (39°F). Nights are cold, with lows typically ranging from -1°C (30°F) to 3°C (37°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
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.
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Jokulsarlon Glacial Lagoon.
Find out more about the weather in Iceland and which places have the best travel conditions in this month. See all of Iceland in April →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Dress warmly and in layers for your trip to Jokulsarlon Glacial Lagoon in April. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. It's going to pour! Pack a good poncho and prepare for very wet conditions. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Jokulsarlon Glacial Lagoon climate overview or explore weather in Iceland.
Where to go in April - average daytime high across popular destinations.
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