Southern in Augusthow the month reads

• Closed
  Natural ice caves (Vatnajokull)

  the natural caves melt and become unsafe outside the cold months; the year-round man-made ice tunnel is a different trip

  Source: guidetoiceland.is

• At its best
  Highland F-roads (Landmannalaugar, Askja)

  the full network is normally open and the river crossings are at their most manageable

  Sources: mapoficeland.is, camper.is

• At its best
  Laugavegur trek

  the trail is clear of snow, the huts are staffed and the highland buses run

  Sources: guidetoiceland.is, mapoficeland.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.

• Temperature
  11°C
  +6.4°C vs. yearly mean
• Month rank
  8 of 12
  for Southern
• Best months
  June · July · January
  highest regional score

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.