Weather in Iceland in May: Temperatures and Travel Tips

Thinking of Iceland trip in May? You're in the right place. Here we share all our tips about the weather in Iceland in May, along with other trip-enhancing tips on where to go, what to do, and what to expect in terms of crowds and costs.

Visiting Iceland in May: an overview

From the blossoming of spring to pre-peak season advantages, here's an overview of what to expect if you visit Iceland in May.

See the unveiling of Iceland's spring charm 

In May, Iceland unveils its captivating charm, as it shakes off winter's chill and shifts to a warm and welcoming spring. 

It's as if nature is waking from a deep sleep to paint a spectacle of lush green landscapes, carpeted by blooming lupine flowers. This purple flower, an iconic May blossom, enhances the scenic beauty across the entire country.

At the same time, partially snow-capped mountains reveal intense greenery, transforming Iceland into an outdoor enthusiast's paradise.

Undecided about when to visit?  Read up about the best time to visit Iceland.

Why consider visiting Iceland in May?

May is possibly one of the best times to visit Iceland, for many reasons:

• Extended daylight hours: with up to 24 hours of daylight, you'll have ample time to marvel at natural wonders and enjoy outdoor activities.
• Off-peak season: coming just before the busy summer season, May offers the advantage of less-crowded tourist attractions.
• Affordability: off-peak season also means cheaper flights and accommodation.
• Mild weather conditions: May in Iceland typically means mild temperatures and a lower likelihood of storms.
• Unique birdwatching opportunities: May marks the arrival of migratory birds, especially puffins, which transforms the landscape into an avian paradise.

In summary, Iceland in May melds relative peace, cost-effectiveness, and spring beauty, making it an ideal time to visit. 

Whether you're a birdwatcher, hiker, or all-round nature lover, Iceland's May offerings are likely to surpass your expectations.

What is the weather like in Iceland in May?

Before traveling to the land of glaciers and geysers, read up on what to expect of the weather in Iceland in May.

What is the temperature range in May?

The temperature range in May in Iceland is typically mild, providing a welcome shift from the cold winter months. The average temperatures range from a low of 41°F (5°C) to a high of 50°F (10°C). 

However, keep in mind it can sometimes reach up to 68°F (20°C) in the afternoons, especially in the latter part of May.

May weather variability

Despite the generally mild temperatures, the weather in May in Iceland can be unpredictable. The country is well-known for experiencing different weather conditions within a single day.

It's quite common to have a sprinkle of rain, followed by sunshine, and perhaps even a brief period of mist along the coastal areas. And all in the span of a few hours.

Though rainfall is not uncommon in May, shower episodes are usually brief, and make way for sunshine. In addition, storms are rare during May.

Undecided? Discover more cool destinations to visit in May.

Best things to do in Iceland in May

While there are tons of amazing things to do in Iceland, here's a breakdown of the best things to do in May.

Enjoy glacier tours and ice cave excursions

Iceland is famous for its majestic glaciers and ice caves, and May doesn't disappoint when it comes to exploring these frozen giants. Here are a couple of thrilling glaciers and ice cave tours you should add to your itinerary:

• Snowmobile tour to Langjökull: Langjökull, Europe's second-largest glacier, is best explored via a thrilling snowmobile. You don't have to be a professional rider — experienced guides are on hand.
• Hike Sólheimajökull glacier: put on your crampons (spiked devices attached to trunks for climbing ice) and embark on a guided hike over the Sólheimajökull glacier. This tour offers opportunities to discover the glacier's crevasses and fascinating ice formations.
• Ice caving: Iceland's magic doesn't stop above ground — exploring spellbinding ice caves offers another level of excitement. 

Whale watching and bird-spotting

May is an excellent time for wildlife enthusiasts as it bursts with exciting opportunities for whale watching and bird spotting.

• Whale watching: the coastal waters become a playground for a variety of whale species in May. Hop on a boat tour and see a friendly minke or a colossal Humpback whale breaching the water's surface. Occasionally, you may even spot a Blue whale or a pod of dolphins. The boats are fitted with radar technology and communicate to enhance your chances of a sighting. The harbor off Reykjavík is particularly renowned for these eco-friendly tours.
• Bird spotting: if you're an avid birdwatcher, visiting the cliffs of Látrabjarg and Hornbjarg is a must. Puffins, the iconic birds of Iceland, flock to these areas in significant numbers in May. 

Can't wait for your trip to Iceland? Increase your chances of an unforgettable trip by choosing one of the best places to stay in Reykjavik.

Hiking trails and treks

May, with its longer daylight hours and pleasant weather, presents optimal conditions for hiking enthusiasts, making trail-focused 14-day Iceland trips especially rewarding. Here are some exhilarating trails to enjoy in May:

• Mt. Esja Trail: among the most accessible hiking trails, this path overlooks the city and comprises several sections of varying difficulty. Whether you're a novice or a seasoned hiker, Mt. Esja will reward you with panoramic views.
• Laugavegur Trail: embark on the Laugavegur trail for a thrilling odyssey through captivating landscapes — glaciers, hot springs, and unspoiled beauty.
• Þverfellshorn and Kerhólakambur Trails: these are the most popular recreational trails, requiring more skill as you progress.

Find even more options for your trip in our list of the best vacation destinations in May.

Can you see the Northern Lights in May?

In May, the Northern Lights season ends in most regions as a result of longer daylight hours and weaker geomagnetic activity.

However, rare sightings are possible in some high-latitude areas under optimal conditions.

Best months to see the Northern Lights

The spectacle of the Northern Lights is one of the world's most exhilarating natural phenomena. However, sightings require very specific conditions — darkness, clear skies, and solar activity. 

The best months to see the Northern lights in Iceland are from mid-October through to March. 

As well as knowing when to see the lights, you also need to learn about where to see them — read our guide to the best places to see the Northern Lights in Iceland.

Plan your trip with our Iceland itineraries

Our Iceland itineraries are crafted to help you experience the best of the country, stress-free. Think of them as a starting point — perfect for planning, but flexible enough to adjust to your own pace and interests. After all, travel is about freedom, but a little planning goes a long way.

• Iceland itinerary 5 days: A quick trip hitting Iceland’s highlights. Visit Reykjavik, the Golden Circle and take in the stunning scenery of the South Coast.
• Iceland itinerary 10 days: Ten days allows for a more relaxed pace and a chance to see multiple regions, including the East Fjords or Snaefellsnes Peninsula.
• Iceland itinerary 14 days: Two weeks means you can really explore Iceland in depth, including the Beltway and possibly the remote Westfjords.
• Iceland Beltway itinerary: A full circuit of Iceland’s Beltway, typically done in 7-10 days. Expect constantly changing landscapes, from glaciers to fjords to volcanic plains, and the freedom to explore each region as you go.

FAQs

Read on for the answers to common questions about visiting Iceland in May.

What to wear in Iceland in May

Due to its variability, dressing for the weather in Iceland in May can be tricky. The secret lies in layers. Start with thermal base layers to regulate your body temperature. 

A pair of good hiking trunks are your best companions when traversing Iceland's varied terrains. You'll also want a rain-proof jacket, especially near the waterfalls!

Don't forget your bathing suit for invigorating dips in Iceland's thermally heated pools, and pack warmer clothes that'll see you through bar-hopping evenings in Reykjavik.

Remember, the best way to predict Iceland's weather is by preparing for its unpredictability!

Is driving around Iceland safe in May?

Yes, driving around Iceland in May is generally safe. The weather is typically moderate, and the main roads are in good condition, making self-drive a viable option. 

However, be aware that Iceland's weather can be unpredictable, with sudden changes possible. Also, snow and ice can sometimes still be present, especially in the northern regions and the Westfjords.

Considering these conditions, it's best to exercise caution. Regularly check the weather and road conditions on the government website.

Also, consider renting a 4x4 vehicle if you plan to explore off-road areas.

If you're not comfortable driving, plenty of guided tours offer a safe, hassle-free alternative.

Tip from Rough Guides: also learn about the best ways to get to Iceland.

Is Iceland crowded in May?

Compared to the peak summer season (June, July, August), Iceland is less crowded in May. 

May is considered the tail end of the off-peak season, which means fewer tourists and more breathing space at popular attractions. 

Even though you won't have the place entirely to yourself — Iceland is, after all, a year-round tourist hotspot — May does offer a relatively tranquil experience. 

However, it's always a good idea to book accommodation and tours in advance to secure the best spots at the best prices.

Want more tips? Read our content manager's personal experience traveling in Iceland and find out the important aspects you're likely to encounter on your trip.

Thinking of visiting Iceland? You'll find inspiration in our customizable Iceland itineraries, or contact our local experts to kick-start your perfect trip.