What to Expect: Iceland's Weather in May
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May is an awesome time to visit Iceland. As spring kicks in, the country starts to come alive with blooming flowers and longer days, getting you ready for summer. Even though average temperatures range from 4°C to 10°C (39°F to 50°F), the weather can still be a bit unpredictable, giving you that true Icelandic adventure feel.
In this guide, we’ll explain what to expect weather-wise when visiting Iceland in May. We’ll also discuss what to pack and highlight some great activities for this time of year.
Key Takeaways
- May in Iceland brings a lovely spring thaw with average temperatures between 4°C and 10°C (39°F to 50°F).
- Pack layered clothing, a waterproof jacket, a hat, and gloves to stay comfy no matter the weather.
- May is perfect for things like whale watching, exploring Þingvellir National Park, and hiking on awesome hiking trails. Since road conditions can change, especially on F-roads (mountain roads), it’s smart to plan and book ahead.
- Knowing the chance of rain and dealing with windy conditions in May is important for a fun and safe trip, as Icelandic low-pressure systems can bring sudden weather changes.
Understanding Iceland’s Weather in May
May is right in the middle of spring in Iceland, a time when the country moves from winter’s chill to the warmth of summer. The spring thaw starts, and melting snow turns the landscape green with blooming flowers, especially lovely lupines. But don’t get too comfortable—Icelandic low-pressure systems can still mix things up with rain, sunshine, and sometimes windy conditions.
Even with the variable weather, May is a fantastic time to visit. Long daylight hours—up to 18-20 hours by the end of the month—give you plenty of time to explore and enjoy outdoor activities. While the Northern Lights are harder to see because of all the daylight, the bright days offer their own kind of magic.
What is The Average Temperature in May in Iceland?
In May, average temperatures in Reykjavik usually range from 4°C to 10°C (39°F to 50°F). Akureyri, up north, can be a bit cooler, especially in the evenings. Coastal areas enjoy milder weather, while inland and higher-altitude regions might still have some snow in the Highlands.
Remember, road conditions can vary a lot across the country. Most roads are clear and easy to drive on, but some F-roads (mountain roads) might still be closed because of snow and ice. Always check the latest road conditions before you set out.
How Much Does It Rain in May in Iceland?
Rainfall in May can vary, with Reykjavik getting about 40 mm (1.57 inches) of rain spread over around 7 rainy days. While May has less snow compared to winter, mild spring showers are common, especially in the southern and western parts. This mix of rain and sunshine is part of what makes Iceland’s weather so unique.
Rain Patterns in May by Region
Rainfall across Iceland in May depends on where you are. The coastal weather brings more rain to the west and south coasts, while the north stays relatively drier but still cool. The Snaefellsnes Peninsula, known for its beautiful landscapes, also gets mixed rain levels thanks to its exposure to Icelandic low-pressure systems.
Average Precipitation in May
| Place | Days | Inches | Millimeters |
| Akureyri | 7 | 1.6 | 41 |
| Dalatangi | 6 | 1.5 | 38 |
| Keflavik | 6 | 1.2 | 31 |
| Reykjavik | 7 | 1.6 | 41 |
| Reynisfjara Beach | 8 | 1.8 | 46 |
| Stykkisholmur | 6 | 1.4 | 35 |
The Weather in Different Regions of Iceland in May
Just like in April, the weather in May can change depending on where you are in Iceland. Knowing what to expect in different regions helps you plan your days and make sure you’re ready for anything.
Reykjavik Weather in May
In Reykjavik, May temperatures usually range between 4°C and 10°C (39°F to 50°F). With long daylight hours, there’s plenty of time to explore the city’s attractions. It can still get pretty windy and rainy, though, so it’s always smart to bring a waterproof jacket just in case.
South Iceland Weather in May
As you head south from Reykjavik, it gets a bit warmer as spring settles in. Expect some light rain, but nothing too heavy. It’s a great time to check out spots like Gullfoss Waterfall and Þingvellir National Park, and you might even catch a glimpse of puffins along the coast, as it's nesting season.
North Iceland Weather in May
Up north, including Akureyri, it’s still cooler in May compared to the south. Temperatures are lower, but you won’t see as much rain. If you head up to the higher elevations, there’s even some lingering snow. Akureyri is also a perfect base for whale-watching tours, where you can spot humpbacks and minke whales.
The Central Highlands in May
The Central Highlands are mostly off-limits in May because of snow and icy roads. Some lower areas might start to thaw, but it’s still best to double-check road conditions if you’re thinking of heading that way.
What to Pack For The Weather in May
Packing smart for Iceland in May is key. You’ll want to be prepared for anything from mild days to chilly evenings, and that means layers.
- Layered clothing: Thermal layers, fleece tops, and warm jackets are your go-to for staying cozy.
- Waterproof jacket: Always handy for those unexpected rain showers.
- Hat and gloves: Even in spring, a hat and gloves can keep you comfortable when it gets cool.
- Sturdy shoes: Waterproof hiking boots are a must for Iceland’s varied terrain.
- Extras: Sunglasses for those bright days and a small backpack for day trips.
What to Do in Iceland in May
May is an awesome month to visit. The snow is melting, the days are getting longer, and there’s a great mix of outdoor adventures and cultural activities to enjoy.
- Whale Watching: It’s prime whale-watching season in May, with tours running from Akureyri, Húsavík, and Reykjavik to see humpback and minke whales.
- Golden Circle Tours: This is the perfect time to visit Þingvellir National Park, Gullfoss Waterfall, and the Geysir geothermal area before the summer crowds arrive.
- Hiking: The blooming flowers and thawing snow make May an ideal time for hiking on Iceland’s scenic trails.
- Geothermal Pools: Relax in the warm waters of the Blue Lagoon or Secret Lagoon, which are especially nice in the mild spring air.
- Puffin Watching: May is the start of puffin nesting season, so head to the coast for a chance to see these cute birds.
- Cultural Events: May is full of festivals and events celebrating the arrival of summer, where you can experience local traditions and culture.
Nature in May
Iceland’s landscape really starts to come to life in May. The snow begins to melt, the green starts to return, and wildflowers bloom. Þingvellir National Park offers stunning views, and the Snaefellsnes Peninsula shows off its dramatic coastlines and volcanic features.
The Blue Lagoon is also a great spot to unwind, with warm geothermal waters that feel amazing against the fresh spring air. Plus, the melting snow provides perfect opportunities for photography and outdoor adventures, showing off Iceland’s natural beauty.
Tips For Your Trip, With the Weather in Mind
Here are some simple tips to make your trip to Iceland in May go smoothly:
- Dress in layers: The weather changes fast, so be prepared by packing clothes you can layer.
- Book ahead: Even though it’s not peak season, it’s a good idea to book your accommodation and tours early, especially for popular ones like the Golden Circle.
- Respect nature: Iceland is all about pristine beauty, so help keep it that way by sticking to marked paths and following local guidelines.
- Check the weather: Keep an eye on the forecast so you can adjust your plans if needed.
- Monitor road conditions: Before heading out, check road.is for up-to-date road conditions, especially if you’re driving in more remote areas.
- Guided tours: For remote or highland areas, a guided tour can be a safe and fun way to explore.
- Stay flexible: Iceland’s weather can change quickly, so be ready to shift your plans if necessary.
Making the Most of Iceland’s Weather in May
May in Iceland feels like the best of both worlds – spring is kicking in, but there’s still a touch of winter hanging around. With long days and fewer crowds, it’s a great time to explore at your own pace.
The weather can surprise you, but as long as you’re dressed for it and keep things flexible, you’ll have a blast. Whether you’re hiking through vibrant landscapes, spotting whales, or just relaxing in a geothermal pool, May is the perfect time to soak in Iceland’s charm.
Frequently Asked Questions About The Weather in Iceland in May
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