South Iceland Weather by Month — Temperature & Rainfall Guide

South Iceland is a region in Iceland. Many people wonder what the weather conditions are in South Iceland over the year. What is the best time to visit South Iceland?

This page shows the average weather conditions by month in South Iceland over the year in: January, February, March, April, May, June, July, August, September, October, November, December.

In January the weather in South Iceland is generally poor. The temperatures range from very low in Sprengisandur with 1°C (34°F) to low in Vestmannaeyjar with 6°C (43°F). It is a very cold month in some areas, so be prepared and make sure to dress up warm.

Find more detailed climate information for South Iceland in January here.

In February the weather in South Iceland is generally poor. The temperatures range from very low in Sprengisandur with 1°C (34°F) to low in Vestmannaeyjar with 6°C (43°F). On average, this month is one of the coldest months of the year in South Iceland. So be prepared and make sure to dress up warm.

Find more detailed climate information for South Iceland in February here.

In March the weather in South Iceland is generally poor. The temperatures range from very low in Sprengisandur with 1°C (34°F) to low in Vestmannaeyjar with 6°C (43°F). It is a very cold month in some areas, so be prepared and make sure to dress up warm.

Find more detailed climate information for South Iceland in March here.

In April the weather in South Iceland is generally poor. The average maximum daytime temperatures are low and range from 4°C (39°F) in Skaftafell to 8°C (46°F) in Hella.

Find more detailed climate information for South Iceland in April here.

In May the weather in South Iceland is generally poor. The average maximum daytime temperatures are low and range from 7°C (45°F) in Solheimahjaleiga to 12°C (54°F) in Hella.

Find more detailed climate information for South Iceland in May here.

In June the weather in South Iceland ranges from poor in Höfn to tolerable in Selfoss. The temperatures range from low in Solheimahjaleiga with 9°C (48°F) to moderate in Hraunvellir with 15°C (59°F).

Find more detailed climate information for South Iceland in June here.

In July the weather in South Iceland ranges from poor in Höfn to tolerable in Selfoss. The temperatures range from low in Solheimahjaleiga with 11°C (52°F) to moderate in Hella with 16°C (61°F). On average, this month is the warmest month of the year in South Iceland.

Find more detailed climate information for South Iceland in July here.

In August the weather in South Iceland ranges from poor in Höfn to unpleasant in Selfoss. The temperatures range from low in Solheimahjaleiga with 11°C (52°F) to moderate in Hella with 16°C (61°F).

Find more detailed climate information for South Iceland in August here.

In September the weather in South Iceland is generally poor. The temperatures range from low in Hali with 9°C (48°F) to moderate in Hella with 13°C (55°F).

Find more detailed climate information for South Iceland in September here.

In October the weather in South Iceland is generally poor. The average maximum daytime temperatures are low and range from 5°C (41°F) in Skaftafell to 9°C (48°F) in Vestmannaeyjar.

Find more detailed climate information for South Iceland in October here.

In November the weather in South Iceland is generally poor. The average maximum daytime temperatures are low and range from 2°C (36°F) in Sprengisandur to 7°C (45°F) in Vestmannaeyjar.

Find more detailed climate information for South Iceland in November here.

In December the weather in South Iceland is generally poor. The temperatures range from very low in Sprengisandur with 1°C (34°F) to low in Vestmannaeyjar with 6°C (43°F). It is a very cold month in some areas, so be prepared and make sure to dress up warm.

Find more detailed climate information for South Iceland in December here.