Southwest Harbor, Maine, United States of America: What to pack, what to wear, and when to go [2018]

Traveling to Southwest Harbor, Maine, United States of America? If you're planning to go to Southwest Harbor, here is some important information about when to go, what to wear, and what to pack:

When to go to Southwest Harbor, Maine, United States of America

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

What to wear/what to pack for Southwest Harbor, Maine, United States of America by month

January

In January, Southwest Harbor is very cold. Temperatures routinely are in the low 30s F (single digits below 0 C) and about a third of the time jump into the low 40s F (single digits C) range.

At night, lows are in the 10s F (10+ below zero C). This is also a rainy time for Southwest Harbor, with a few of the days of the month having rain.

What to wear/what to pack:

  • Very heavy socks
  • Waterproof coat
  • Scarf
  • Umbrella
  • Waterproof boots
  • Pajamas, such as sweats
  • Sweaters
  • Fleeces
  • Gloves
  • Insulated boots
  • Multiple layer jacket shell
  • Thermal undergarments

February

February is frigid. Temperatures average in the 30s F (single digits C) during the day. It rains regularly and snows occasionally.

What to wear/what to pack:

  • Very heavy socks
  • Insulated boots
  • Thermal undergarments
  • Fleeces
  • Sweaters
  • Gloves
  • Multiple layer jacket shell
  • Waterproof boots
  • Scarf
  • Umbrella
  • Pajamas, such as sweats
  • Waterproof coat

March

If you go to Southwest Harbor in March, you will notice that it can be brisk. Expect it to rain about a third of the time and snow occasionally. Daytime temperatures are in the low 40s F (single digits C).

What to wear/what to pack:

  • Warm pants or jeans
  • Heavy socks
  • Waterproof coat
  • Heavy jacket
  • Waterproof boots
  • Sweaters
  • Gloves or mittens
  • Umbrella
  • Cold weather footwear

April

If you go to Southwest Harbor in April, you will notice that it can be brisk. Expect it to rain sometimes. Daytime temperatures are in the low 50s F (low 10s C).

What to wear/what to pack:

  • Umbrella
  • Fleeces
  • Jacket or coat
  • Socks
  • Rain coat
  • Standard footwear
  • Warm pants or jeans
  • Light gloves or mittens
  • Waterproof footwear
  • Waterproof luggage

May

If you visit Southwest Harbor during May, you are likely to find that it is relatively cool. Temperatures tend to hover around the 60s F (high 10s C) during the day, while at night they can dip into the 40s F (single digits C).

In terms of precipitation, you can expect it to rain occasionally.

What to wear/what to pack:

  • Waterproof footwear
  • Rain coat
  • Light jacket or fleece
  • Pants or jeans
  • Long sleeve shirts or blouses
  • Standard footwear
  • Waterproof luggage
  • Umbrella
  • Long skirts
  • Socks
  • Dresses

June

June in Southwest Harbor is warm. The rain can amount to several inches/centimeters.

During this time, temperatures average in the 60s F (high 10s C) to 70s F (low 20s C), although night temperatures can dip into the low 50s F (single digits C).

What to wear/what to pack:

  • Rain coat
  • Skirts
  • Long and short sleeve shirts
  • Waterproof luggage
  • Shorts or short pants
  • Light footwear
  • Umbrella
  • Dresses
  • Sandals
  • Sunscreen lotion
  • Waterproof footwear

July

If you go to Southwest Harbor in July, you will notice that it is warm. Expect it to rain occasionally. Daytime temperatures are in the high 70s F (mid 20s C).

What to wear/what to pack:

  • Skirts
  • Light footwear
  • Dresses
  • Umbrella
  • Long and short sleeve shirts
  • Waterproof luggage
  • Sunscreen lotion
  • Sandals
  • Shorts or short pants
  • Waterproof footwear
  • Rain coat

August

August here is a perfect temperature. Temperatures average in the high 70s F (mid 20s C) during the day. It rains occasionally.

What to wear/what to pack:

  • Waterproof footwear
  • Shorts or short pants
  • Long and short sleeve shirts
  • Rain coat
  • Sunscreen lotion
  • Skirts
  • Umbrella
  • Dresses
  • Light footwear
  • Waterproof luggage
  • Sandals

September

September in Southwest Harbor is mild. The rain can amount to several inches/centimeters.

During this time, temperatures average in the low 60s F (mid 10s C) to low 70s F (low 20s C), although night temperatures can dip into the low 50s F (single digits C).

What to wear/what to pack:

  • Long and short sleeve shirts
  • Dresses
  • Rain coat
  • Shorts or short pants
  • Waterproof luggage
  • Waterproof footwear
  • Sandals
  • Sunscreen lotion
  • Light footwear
  • Skirts
  • Umbrella

October

If you are traveling to Southwest Harbor in October, you will notice that it is relatively cool. Expect it to rain once in a while. Daytime temperatures are in the high 50s F (mid 10s C).

What to wear/what to pack:

  • Pants or jeans
  • Dresses
  • Light jacket or fleece
  • Rain coat
  • Waterproof footwear
  • Waterproof luggage
  • Long sleeve shirts or blouses
  • Socks
  • Umbrella
  • Standard footwear
  • Long skirts

November

November can be brisk. Temperatures average in the high 40s F (single digits C) during the day. It rains a bit less than half of the time.

What to wear/what to pack:

  • Standard footwear
  • Waterproof coat
  • Light gloves or mittens
  • Umbrella
  • Warm pants or jeans
  • Fleeces
  • Socks
  • Jacket or coat
  • Waterproof boots

December

December in Southwest Harbor is cold. The average overnight temperatures in the area are in the low 20s F (single digits below 0 C), with a few days below 0 F (10+ below zero C).

It tends to rain a bit less than half of the time. It also snows sometimes.

What to wear/what to pack:

  • Waterproof boots
  • Sweaters
  • Heavy socks
  • Umbrella
  • Heavy jacket
  • Gloves or mittens
  • Waterproof coat
  • Warm pants or jeans
  • Cold weather footwear

Year-round what to wear/what to pack for Southwest Harbor, Maine, United States of America

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

  • A plug adadpter that supports outlet types A and B
  • A SIM card that works in Southwest Harbor
  • Bicycle friendly attire, if you plan on biking anywhere

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