May · Iceland
Best time to visit Landmannalaugar in May Weather, crowds & prices
Weather in Landmannalaugar in May
Average temperature 4°C, 165 mm of rain, about 17 days with 6+ hours of sunshine and 90% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
5.5/10
Ranked #3 of 12 months
- Avg temp
- 4°C
- Rainfall
- 165 mm
- Humidity
- 90%
- Days with 6h+ sun
- 17
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Landmannalaugar scores 5.5/10 for nature and wildlife travel - one of the top 12-month picks (#3). Expect around 4°C, 165 mm of rain, and roughly 17 days with 6+ hours of sunshine this month.
Landmannalaugar paints the highlands in rhyolite ridges-hot springs, lava fields, and the Laugavegur trek start. Best window: the short high-summer window when daylight peaks.
May in Landmannalaugar: mixed conditions, plan around the weather
May averages 4°C (38°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
At 165 mm this is a genuinely wet month: about 17 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 5.5/10 here, 3rd of 12 months, against 7/10 in the destination's best month.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.
Figure on mid-season pricing, with crowds are moderate.
Flexible dates? July scores 1.5 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Landmannalaugar in May?
- In May, Landmannalaugar averages 4°C, 165 mm of rain, and about 17 days with 6+ hours of sunshine. Its climate-comfort score is 5.5/10.
- Is May a good time to visit Landmannalaugar?
- May earns a 5.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Landmannalaugar in May?
- Expect about 165 mm of rain in May. Average humidity is 90% and there are about 17 days with 6+ hours of sunshine.
Curated in Landmannalaugar
Tickets & experiences
Things to do in Landmannalaugar
Landmannalaugar, Iceland. Live activities and tours from GetYourGuide, matched to this destination.