January is Reykjavik’s coldest and wettest month. The average high temperature is a frigid 37°F (3°C) while the average low temperatures are bone-chilling at 27°F (-3°C). Rainfall in January is at 50 mm, making Reykjavik’s feel colder than it actually is.
In February, the climate remains very cold with the average high and average low temperatures ranging between 36°F (2°C) and 28°F (-2°C). Despite sub-zero temperatures, February is a great time to head outdoors to catch the Northern Lights.
Reykjavik Weather in March: It’s a sunny month in March with the average daily sunshine averaging at 12 hours. The bright sunny days are more than welcome as the winter season continues. The average high and average low temperatures remain the same for this month.
April brings slightly warmer climates with the high temperature climbing to 41°F (5°C). Meanwhile, the low temperature also sees an increase to 32°F (0°C).
In May, things stay quite cool despite the increase in temperature average. The average high temperature increases a handful to 48°F (9°C). The average low temperature also sees a 5-degree increase to 37°F (3°C).
Reykjavik Weather in June: Reykjavik sees it’s driest month in June when the precipitation averages dwindle down to 20 mm. Meanwhile, the average high and average low temperatures measure in at 52°F (11°C) and 45°F (7°C) respectively.
July is the warmest month of the year in Reykjavik. Despite this, the average high temperature still remains quite cool at 55°F (13°C). The average low temperature sees a small increase to 48°F (9°C).
In August, the low temperature average decreases to 46°F (8°C) marking the start of the fall season. High temperatures remain the same.
Reykjavik Weather in September: The lowest daily sunshine average is in September when each day receives about 8 hour of daylight. The decreased hours of sunshine are matched by cooler temperatures. Both high and low temperatures go down, measuring in at 48°F (9°C) and 41°F (5°C) respectively.
October sees even cooler climates with the average high temperature dropping by 5 degrees to 43°F (6°C). There’s a larger decrease in the average low temperature which is 36°F (2°C).
In November, the low temperature and high temperature ranges between 32°F (0°C) and 41°F (5°C). Expected rainfall is 30 mm.
Reykjavik Weather in December: The lengthy winter season descends upon Reykjavik in December. During this month, the average high temperature sinks to the high 30’s at 39°F (4°C) while the average low temperature drops to 30°F (-1°C).
Bird watching enthusiasts absolutely must plan to visit between April and May to catch the migrating birds appear in Iceland such as the puffin and the Golden Plovers. For wild weather and lower prices, April and May are also the best months to visit. To experience the power of Iceland’s waterfalls and enjoy the best of its lush landscapes, visit anytime between early June through August. The best of the Iceland’s foliage is best enjoyed between late October through early November, while those eager to explore Iceland’s glaciers should come between December and March. Travelers that are in the country to catch a glimpse of the Northern Lights should plan a visit to Iceland anytime between September and March when the nights are longer.