Southwest Iceland, Iceland: What to pack, what to wear, and when to go [2021]

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Traveling to Southwest Iceland, Iceland? If you're planning to go to Southwest Iceland, here is some important information about when to go, what to wear, and what to pack:

When to go to Southwest Iceland, Iceland

Based on the climate and weather in Southwest Iceland, the best time to go is July. See below for details.

What to wear/what to pack for Southwest Iceland, Iceland by month

January

January in Southwest Iceland is frigid. Temperatures average in the 30s F (single digits C) during the day.

What to wear/what to pack:

February

February for Southwest Iceland is frigid. Temperatures average in the high 30s F (single digits C) during the day.

What to wear/what to pack:

March

If you visit Southwest Iceland during March, you will probably notice that it is pretty cool. Temperatures tend to hover around the high 30s F (single digits C) during the day, while at night they can dip into the low 30s F (single digits below 0 C).

Humidity is generally between 70 and 80% during the day.

What to wear/what to pack:

April

If you visit Southwest Iceland during April, you might notice that it is cold. Temperatures tend to hover around the low 40s F (single digits C) during the day, while at night they can dip into the low 30s F (single digits C).

Humidity is generally between 70 and 80% during the day.

What to wear/what to pack:

May

May in Southwest Iceland can be very chilly. The average overnight temperatures in the area are in the high 30s F (single digits C). But the colder weather doesn't bring low humidity, which is in the 70% to 80% range on average.

What to wear/what to pack:

June

June in Southwest Iceland is pretty cool. The average overnight temperatures in the area are in the 40s F (single digits C). But the colder weather doesn't bring low humidity, which is in the 70% to 80% range on average.

What to wear/what to pack:

July

If you vacation in Southwest Iceland during July, you are likely to find that it can be brisk. Temperatures tend to hover around the 50s F (low 10s C) during the day, while at night they can dip into the high 40s F (single digits C).

Humidity is generally between 70 and 80% during the day.

What to wear/what to pack:

August

August in Southwest Iceland is pretty cool. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 50s F (low 10s C) to 50s F (low 10s C).

What to wear/what to pack:

September

September in this region can be very chilly. Temperatures average in the low 50s F (single digits C) during the day.

What to wear/what to pack:

October

October in Southwest Iceland can be very chilly. The average overnight temperatures in the area are in the high 30s F (single digits C). But the colder weather doesn't bring low humidity, which is in the 80% to 80% range on average.

What to wear/what to pack:

November

If you vacation in Southwest Iceland during November, you are likely to see that it is pretty cool. Temperatures tend to hover around the high 30s F (single digits C) during the day, while at night they can dip into the low 30s F (single digits C).

Humidity is generally between 80 and 90% during the day.

What to wear/what to pack:

December

December in this region is freezing. Temperatures average in the 30s F (single digits C) during the day.

What to wear/what to pack:

Year-round what to wear/what to pack for Southwest Iceland, Iceland

Here are some general tips on what to wear in Southwest Iceland, as well as several items to remember to pack when traveling there.

  • A plug adapter that supports outlet types C and F. This one is sufficent for most places, but you should check with your hotel.
  • A SIM card that works in Southwest Iceland. A good global SIM card works in most countries, but check the country list before buying. In some locations you may need a satellite phone. We recommend this satellite phone
  • If you plan to visit a church, make sure to bring appropriate clothing
  • Emergency water purifier

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