Iceland's temperatures in summer can be as low as 41 F (5 C) but as warm as 77 F (25 C) during this time of year. On average, Iceland's weather in summer is between 50-59 F (10 to 15 C). Summers are not as wet as spring, but it does rain occasionally.
- Nanna Gunnarsdóttir
Feb 22, 2022 · Is It Always Cold In Iceland? Is Iceland cold? Yes, it’s cold but not as cold as you might think. It also depends on your definition of cold. In July, weather in Iceland averages between 48-57℉. On a sunny day, Icelanders can be seen sun tanning on the porch of their summer house.
Warm summer days can reach 20–25 °C (68–77 °F).  The highest temperature recorded was 30.5 °C (86.9 °F) in the Eastern fjords in 1939. Annual average sunshine hours in Reykjavík are around 1300, which is similar to towns in Scotland and Ireland.  Winds and storms
- Spring in Iceland. Spring might be the best time of year to visit Iceland—aside from the busy summer tourist season—because of its crisp weather, normal daylight hours (compared to North America), and significantly cheaper pricing for accommodations, flights, and travel.
- Summer in Iceland. Summer is the height of tourist season in Iceland, and in midsummer—during the entire months of June and July—daylight takes over during a time known as the Midnight Sun when there is virtually no nighttime darkness.
- Fall in Iceland. As September comes around, the tourist season abruptly ends, and many museums outside Reykjavik close until the following summer. However, there's still plenty to do in the fall.
- Winter in Iceland. Airfare prices are drastically lower in the winter due to a decrease in tourists traveling to the country, but remember that Christmas and holiday travel will still be slightly more expensive than other non-peak travel days.
Summer. Iceland summer starts in June and lasts until September. The days are still cool, with temperatures ranging between 40F (5C) and 58F (15C) but very long and occasionally wetted by light rains and drizzles. The snow and ice are shaken off and replaced with blooming lupines and green landscapes. Fall.
Although summer in Iceland is warmer than the other seasons, it is still cool compared to many other countries, so you can safely leave the flip-flops back home. In addition, traveling outside of the city requires warm and waterproof clothing and sturdy shoes.