Where to Go for Great Weather
Iceland · Regional climate

Southernwhen to go

Regional slice of Iceland with its own temperature profile. Best months here: Jun · Jul · Jan.

Range
-1–11 °C
Compare
+0.0°C vs. Iceland mean
Country
Iceland
TZ
Atlantic/Reykjavik
Region match
Acceptable

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12-month climate · Southern

How the year moves in Southern

Ten years of ERA5, aggregated over Southern itself rather than over Iceland as a whole — the same series the month-by-month scores below are built from.

Temperature°C
Temperature · 12-month climatologySouthern, Iceland. Average daytime high by month in °C. Lowest in January (-0.9), highest in July (11.3). Monthly means: -0.9, -0.1, 0.2, 3.0, 5.9, 9.3, 11.3, 10.7, 7.7, 4.1, 1.0, -0.6.
View data table
MonthAverage daytime high (°C)
January-0.9
February-0.1
March0.2
April3.0
May5.9
June9.3
July11.3
August10.7
September7.7
October4.1
November1.0
December-0.6
Rainfallmm
Rainfall · 12-month climatologySouthern, Iceland. Rainfall by month in mm. Lowest in July (99), highest in February (209). Monthly means: 187, 209, 166, 127, 127, 103, 99, 116, 185, 164, 153, 177.
View data table
MonthRainfall (mm)
January187
February209
March166
April127
May127
June103
July99
August116
September185
October164
November153
December177
Sunshinehr / day
Sunshine · 12-month climatologySouthern, Iceland. Sunshine hours by month in hr / day. Lowest in December (0.4), highest in May (6.7). Monthly means: 1.0, 2.6, 4.8, 6.4, 6.7, 5.5, 4.8, 4.5, 3.3, 2.5, 1.4, 0.4.
View data table
MonthSunshine hours (hr / day)
January1.0
February2.6
March4.8
April6.4
May6.7
June5.5
July4.8
August4.5
September3.3
October2.5
November1.4
December0.4
What’s open · year round

Things to do in Southern

  • Closed
    Highland F-roads (Landmannalaugar, Askja)

    Closed November–May · limited June, September–October · at its best July–August

    Sources: mapoficeland.is, camper.is

  • Closed
    Laugavegur trek

    Closed October–May · limited June, September · at its best July–August

    Sources: guidetoiceland.is, mapoficeland.is

  • Closed
    Natural ice caves (Vatnajokull)

    Closed April–October · at its best November–March

    Source: guidetoiceland.is

Opening seasons are checked by hand against the operators and parks themselves, not derived from the climate figures on this page. Last reviewed 2026-08-28. Dates move — confirm before you book.

Month by month · Southern

Pick your window

Other regions · Iceland

Nearby and comparable

Safety · 5 governments

What the governments say about Iceland

Combined advisory · most-cautious-wins
Exercise normal precautions
Highest level across 5 governments · Advisory last changed
See breakdown by country
AU

Exercise normal precautions

Changed Checked www.smartraveller.gov.au
DE

Exercise normal precautions

Changed Checked www.auswaertiges-amt.de
UK

Exercise normal precautions

Changed Checked www.gov.uk
US

Exercise normal precautions

Changed Checked travel.state.gov

Parts of Iceland carry a higher advisory — up to level 2, "Exercise increased caution". The governments concerned name a region rather than a boundary, so the carve-out is not drawn on the map and is not reflected in the combined level above. Follow the source links for where it applies.

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