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. The wind chill can make summer days and nights cool, as Iceland is very windy.
- Nanna Gunnarsdóttir
Dec 12, 2021 · The average temperature in Iceland remains between 4°C and 10°C. The daylight during this month is 16-20 hours. However, this daylight increases to 24 hours when April lingers to an end. You will see seasonal deference in reality here this month. The Month of May is a natural opening of Summer. So, there will be a positive change.
- 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.
The average July temperature in the southern part of the island is 10–13 °C (50–55 °F). 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. 
Here, the monthly average temperature ranges from -0.5 °C (31 °F) in January and February to 12 °C (53 °F) in July. Here are the average temperatures. Being sheltered from the south wind, Akureyri is located in the least rainy area of Iceland; in fact, precipitation amounts to 550 mm (21.5 in) per year. Here is the average precipitation.
All of Iceland in 21 days January Average Temperature: -3ºC to 2ºC (27ºF to 35ºF) Amount of Daylight Hours: 4.5 to 7 Although January is not the best month to travel around Iceland, it is one of the most famous months to see the Northern Lights.