Things to Do in Reykjavik in May
May weather, activities, events & insider tips
May Weather in Reykjavik
Is May Right for You?
Advantages
- Extended daylight hours reach nearly 20 hours by late May - sunset around 11pm means you can pack temple visits, whale watching, and dinner without feeling rushed. The city operates on this endless-day energy that's genuinely unique.
- Lupine season transforms the landscape into purple-covered fields from mid-May onward. The roadsides and lava fields bloom with these non-native flowers that locals have mixed feelings about, but tourists absolutely love photographing.
- Shoulder season pricing drops significantly compared to June-August peak. Hotels typically cost 20-30% less than summer rates, and you can often book popular tours just 3-5 days ahead instead of the weeks required in high season.
- Puffin colonies become active at coastal cliffs like Dyrhólaey and Látrabjarg. May marks the beginning of puffin season when these birds return to nest, and you'll find fewer crowds than the July-August rush.
Considerations
- Weather remains genuinely unpredictable - you might experience four seasons in a single afternoon. That 10°C (50°F) average doesn't capture the wind chill factor, which can make it feel closer to 0°C (32°F) on exposed coastal areas.
- Highland roads stay closed until late May or early June depending on snowmelt. The F-roads to places like Landmannalaugar and Þórsmörk typically don't open until June, limiting access to interior hiking routes.
- Ocean temperatures hover around 8-10°C (46-50°F), making those Instagram-worthy hot spring photos at the Blue Lagoon more appealing than actual ocean swimming. The geothermal pools become essential rather than optional.
Best Activities in May
Golden Circle Route Exploration
May offers ideal conditions for this classic circuit before summer tour buses multiply. The Þingvellir rift valley shows dramatic spring runoff, Geysir erupts every 5-8 minutes without the crowds blocking your shot, and Gullfoss waterfall runs at impressive volume from snowmelt. The extended daylight means you can start at 9am and finish around 6pm without rushing, stopping at lesser-visited spots like Kerið crater. Temperature around 8-12°C (46-54°F) makes hiking comfortable with layers.
Whale Watching Expeditions
May marks peak migration season for minke whales and white-beaked dolphins in Faxaflói Bay. Success rates hover around 85-90% this month, better than the 70% average in shoulder months. The tours run from both Reykjavik's Old Harbour and Akureyri in the north. Dress for wind chill - that 10°C (50°F) air temperature feels closer to 2°C (36°F) on the water. Tours typically last 3-3.5 hours, and the late May daylight means you can book afternoon departures around 2pm without missing other activities.
South Coast Waterfall and Black Sand Beach Tours
The stretch from Seljalandsfoss to Vík becomes particularly dramatic in May with increased water flow from glacier melt. You can walk behind Seljalandsfoss without the summer crowds blocking the path, and Skógafoss produces impressive spray rainbows on sunny afternoons. Reynisfjara black sand beach offers those basalt columns and crashing waves without the 200+ daily visitors of July. Weather variability actually works in your favor here - the moody clouds create better photos than flat summer light. Plan for 10-12 hour days with the extended daylight.
Reykjanes Peninsula Geothermal Area Exploration
This peninsula just became more accessible with the 2024 completion of the coastal road improvements. May offers uncrowded access to Gunnuhver hot springs, Kleifarvatn lake, and the Bridge Between Continents. The recent volcanic activity near Grindavík (ongoing monitoring as of 2026) makes the landscape feel genuinely alive - you'll see steam vents and fresh lava fields depending on current activity levels. The area sits 30-45 minutes from Reykjavik, making it perfect for a half-day trip when weather closes highland roads. Wind can be fierce here, easily adding 5-8°C (9-14°F) to the chill factor.
Snæfellsnes Peninsula Day Trips
Locals call this 'Iceland in Miniature' for good reason - you get waterfalls, lava fields, fishing villages, and the Snæfellsjökull glacier in one 190 km (118 mile) loop. May weather tends to be slightly more stable here than the south coast, though that's relative in Iceland. Kirkjufell mountain offers those iconic photos without the summer Instagram crowds. The fishing villages like Arnarstapi and Hellnar show actual working harbors rather than tourist reconstructions. Plan for 12-14 hour days with the long daylight, or split it into an overnight trip.
Reykjavik Food Walking Tours
May brings spring lamb and fresh seafood to restaurant menus before the tourist menu standardization of summer. The city's food scene has genuinely evolved beyond fermented shark novelty - you'll find New Nordic cuisine using Icelandic ingredients in creative ways. Walking tours typically cover 1.5-2 km (0.9-1.2 miles) through downtown, stopping at 4-6 locations for tastings. The cool weather makes walking comfortable, and you'll learn about Icelandic food culture beyond what restaurant menus explain. Tours run 2.5-3 hours, usually starting around 5pm or 6pm.
May Events & Festivals
Reykjavik Arts Festival
This biennial festival runs in odd-numbered years, so it WON'T occur in May 2026. Worth noting for planning purposes - the next one happens in 2027. The festival typically brings international artists, theater performances, and music to venues across the city for two weeks in mid-to-late May.
First Day of Summer (Sumardagurinn Fyrsti)
Iceland celebrates the first day of summer on the Thursday between April 19-25, which occasionally falls in late April but sometimes lands in early May depending on the calendar. In 2026, this falls on April 23, just before May begins. Locals mark it with parades, outdoor activities, and the optimistic declaration that winter has ended - despite weather that often proves otherwise. You might catch residual celebrations in early May.