May · Iceland
Best time to visit Reynisfjara in May Weather, crowds & prices
Weather in Reynisfjara in May
Average temperature 6°C, 157 mm of rain, about 17 days with 6+ hours of sunshine and 88% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
3.4/10
Ranked #3 of 12 months
- Avg temp
- 6°C
- Rainfall
- 157 mm
- Humidity
- 88%
- Days with 6h+ sun
- 17
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Reynisfjara scores 3.4/10 for beach and coastal travel - one of the top 12-month picks (#3). Expect around 6°C, 157 mm of rain, and roughly 17 days with 6+ hours of sunshine this month.
Reynisfjara is Iceland’s famous black-sand beach-sneaker waves, basalt columns, and Reynisdrangar sea stacks. Best window: the short high-summer window when daylight peaks.
May in Reynisfjara — the hardest end of the year
May averages 6°C (43°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 157 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 3.4/10 here, 3rd of 12 months, against 4.2/10 in the destination's best month.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella.
Plan for mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Reynisfjara in May?
- In May, Reynisfjara averages 6°C, 157 mm of rain, and about 17 days with 6+ hours of sunshine. Its climate-comfort score is 3.4/10.
- Is May a good time to visit Reynisfjara?
- May earns a 3.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Reynisfjara in May?
- Expect about 157 mm of rain in May. Average humidity is 88% and there are about 17 days with 6+ hours of sunshine.
Curated in Reynisfjara
Tickets & experiences
Things to do in Reynisfjara
Reynisfjara, Iceland. Live activities and tours from GetYourGuide, matched to this destination.