Jokulsarlon Glacier Temperature vs. Reykjavik: What to Wear

Layer Your Clothing for Coastal Wind and Changing Conditions

The 14-hour journey along Iceland's southern coast exposes you to weather that shifts between zones. Reykjavik's city temperature rarely prepares you for the Jökulsárlón Glacier Lagoon, where winds funnel down from the ice sheet and temperatures can be 5-8°C colder than the capital. Start with a moisture-wicking base layer (merino wool or synthetic), add an insulating mid-layer like fleece or a wool sweater, and top with a windproof jacket. The interior of the coach stays warm, so wear layers you can remove and stow; you will put them back on at each stop.

At Seljalandsfoss and Diamond Beach, the wind picks up noticeably. Even on days when Reykjavik feels mild, the southern coast is exposed to Atlantic gusts. Pack a second pair of socks and keep them dry in a small bag, since wet feet on a long coach day lead to cold that no jacket fixes. A neck gaiter or balaclava protects your face during walking sections and is easier to manage than a scarf that catches on zips and bag straps.

Choose Footwear That Grips Wet Black Sand and Slippery Rock

Diamond Beach earned its name from the glassy icebergs scattered across black volcanic sand, but that same sand becomes treacherous when wet. Waterproof hiking shoes with aggressive tread patterns outperform regular trainers or smooth-soled boots. Look for shoes with rubber that grips dark, damp surfaces; many standard hiking boots have tread designed for dry earth and lose purchase on wet sand. Salomon, Merrell, and Scarpa models with Vibram soles perform well here. Avoid canvas shoes, leather dress boots, and anything with smooth or worn soles. The walk at Seljalandsfoss involves stepping onto wet rocks near the waterfall base, so the same grip requirement applies.

Crampons and specialist hiking boots are not necessary on this tour. The terrain is day-hike standard with marked, maintained paths. A pair of waterproof shoes rated for mixed terrain will handle every stop comfortably. Gaiters (ankle covers that prevent sand and spray from entering your shoes) are useful but optional; many visitors skip them. Bring a small towel or microfibre cloth to wipe sand and spray from your footwear before re-boarding the coach, keeping the bus interior clean and your feet drier for the next leg.

Waterproof jacket shields against spray at Seljalandsfoss

Pack Waterproofs for Waterfall Spray and Ocean Mist

Seljalandsfoss is a 60-metre waterfall where the path runs behind and beside the falling water. Heavy spray is not occasional, it is constant. A lightweight, packable rain jacket is essential; gore-tex or similar breathable waterproof fabrics keep you dry without trapping sweat during the walk. The spray wets not just your outer layer but jeans and trousers underneath if you do not cover them. Consider waterproof trousers or hiking tights as part of your waterproofs strategy, not just a jacket. At Diamond Beach, ocean spray and occasional rain add moisture; the same jacket serves you well across all five stops on the itinerary.

Pack your waterproof items in an easily accessible part of your day bag, not buried in checked luggage that stays on the coach. You will change into and out of your rain layer multiple times during the 14 hours. A small dry bag (even a plastic rucksack liner) keeps a spare mid-layer, hat, and socks protected if your waterproofs are not enough. The coach provides transportation between stops but not shelter once you arrive at each location, so self-sufficiency with weather protection is necessary.

Camera Settings and Gear for Bright Ice and Dark Sand Contrast

Jökulsárlón Glacier Lagoon presents extreme contrast: white and blue icebergs against dark water and black sand beaches. Your camera's exposure metre will struggle. Shoot in manual or aperture priority mode, and dial down exposure by 1 to 1.5 stops to retain detail in the bright ice and prevent a washed-out image. If you are shooting on a smartphone, use the exposure slider to tap on the ice and reduce brightness slightly; many phone cameras overexpose in this environment. Polarising filters reduce glare off water and ice, enriching blue tones in both sky and icebergs.

Bring a lens cloth and microfibre cloth; salt spray from the coast and proximity to water spray at Seljalandsfoss leave lens residue quickly. A UV filter protects your main lens from spray damage. Landscape photography benefits from wide-angle lenses (16-35mm), but the boat tour at Jökulsárlón (available as an option) rewards a zoom range from 35-70mm to frame icebergs at varying distances. Pack batteries in an insulated case; cold coastal air drains batteries faster than Reykjavik temperatures. Bring twice as many batteries and memory cards as you think you need.

Bring Food, Water, and Snacks for a Full Day on the Coach

The tour duration of 14 hours includes transport time, stops, and guided walks, with no meals listed as part of the itinerary. Plan to carry food and water from the start. Pack a light breakfast or eat before hotel pickup; the coach does not stop for a sit-down meal. Bring sandwiches, energy bars, nuts, and fruit that travel well without refrigeration. Salty snacks are common on Icelandic tours because they help your body retain fluids in the dry, windy coastal environment. A thermos with hot coffee or tea is valuable on a long day; the coach provides wifi onboard but not food or hot drinks.

Water is critical on a 14-hour day, especially at altitude near the glacier where dehydration happens faster than at sea level. Bring a refillable water bottle and fill it at the hotel before departure, and at cafes or visitor facilities at Vik or Kirkjubæjarklaustur if the opportunity arises. Dehydration reduces cold tolerance and makes fatigue compound over 14 hours. Pack more water than feels necessary; 2-3 litres per person is not excessive for this itinerary. Energy drinks with electrolytes are useful if you are exerting yourself on walking sections, but plain water is sufficient for most visitors.

Organize Your Day Bag Versus Items Left on the Coach

Wear your day bag or small rucksack on your body during all 5 stops; the coach is secure but not always supervised. Your day bag should contain waterproofs, a spare mid-layer, hat, gloves, a change of socks, food, water, camera and batteries, phone charger, and a small first aid kit. Aim for a 20-30 litre bag that fits comfortably across your shoulders while walking. Heavier items like extra sweaters or boots that you change out of can stay on the coach in your main luggage, retrievable during longer stops at Vik or Jökulsárlón if needed.

Leave valuables, passport, medications, and electronics chargers that you do not actively use on the coach or at your hotel. The guided walking tour and boat tour (if selected) both move quickly between locations; carrying too much reduces comfort. A small shoulder bag or crossbody sling works well if a rucksack feels bulky for you. Keep your phone, camera, and wallet in pockets or zipped compartments within reach, not at the bottom of your main bag. The 30 drop-off locations at the end of the day means you exit near your hotel, so any items stored on board are returned to you before final drop-off.

Hats, Gloves, and Wind Protection Work in Every Season

Even in summer, when Reykjavik daytime temperatures reach 14-16°C, the southern coast is colder and windier. A wool beanie or insulated hat protects your head from wind chill and heat loss; you lose significant body heat through your head, and this effect is amplified in coastal wind. Gloves are essential. Lightweight wool or synthetic gloves let you use your phone and camera while protecting fingers from cold and wind. Pack a second pair so you can dry damp gloves on the coach and switch to warm ones for the next stop. Merino wool gloves dry faster than cotton and provide warmth even when slightly wet.

Wind chill at the lagoon and beaches can make temperatures feel 8-12°C colder than the actual air temperature. A neck gaiter, scarf, or balaclava shields your face and neck, which are exposed during walking sections. These items compress into a small space in your day bag and make an outsized difference in comfort. Even visitors who feel they 'do not feel the cold' find the coastal wind surprising; the combination of exposure and lack of shelter is different from urban or sheltered walking. Hat, gloves, and neck protection are not luxury items on this itinerary, they are functional essentials regardless of the season or weather forecast.