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

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

When to go to Portsmouth, Maine, United States of America

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

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

January

January in Portsmouth is frosty, snowy, somewhat rainy and somewhat stormy. The snow can amount to several inches/centimeters.

During this time, temperatures average in the 20s F (single digits below 0 C) to low 30s F (single digits below 0 C), although night temperatures can dip into the single digits F (10+ below zero C).

What to wear/what to pack:

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

February

February in this region is freezing, snowy, somewhat rainy and somewhat stormy. Temperatures average in the 30s F (single digits C) during the day. It rains 5-10 days this month and snows occasionally.

What to wear/what to pack:

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

March

If you are traveling to Portsmouth in March, you will notice that it is brisk, snowy, somewhat rainy and somewhat stormy. Expect it to rain regularly and snow sometimes. Daytime temperatures are in the low 40s F (single digits C).

What to wear/what to pack:

  • Cold weather footwear
  • If you plan to ski, ski equipment
  • Umbrella
  • Heavy socks
  • Heavy jacket
  • Waterproof boots
  • Warm pants or jeans
  • Waterproof coat
  • Sweaters
  • Gloves or mittens

April

If you are traveling to Portsmouth in April, you will notice that it is brisk, somewhat rainy and somewhat stormy. Expect it to rain 5-10 days this month. Daytime temperatures are in the 50s F (low 10s C).

What to wear/what to pack:

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

May

In May, Portsmouth can be chilly, somewhat rainy and somewhat stormy. Temperatures routinely are in the 60s F (high 10s C) and about a third of the time jump into the low 80s F (high 20s C) range. At night, lows are in the high 40s F (single digits C).

This is also a rainy time for Portsmouth, with several of the days of the month having rain. In May, humidity reaches as high as 60%.

What to wear/what to pack:

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

June

In June, Portsmouth is warm, somewhat rainy and somewhat stormy. Temperatures routinely are in the 70s F (mid 20s C) range. At night, lows are in the 50s F (low 10s C).

This is also a rainy time for Portsmouth, with several of the days of the month having rain. In June, humidity reaches as high as 60%.

What to wear/what to pack:

  • Dresses
  • Rain coat
  • If you're going to the beach, bathing suits, swimwear
  • Waterproof luggage
  • Waterproof footwear
  • Light footwear
  • Skirts
  • Sunscreen lotion
  • Shorts or short pants
  • Umbrella
  • Long and short sleeve shirts
  • Sandals

July

Traveling to Portsmouth in July, you will notice that it is warm, somewhat rainy and somewhat stormy. Expect it to rain 5-10 days this month. Daytime temperatures are in the low 70s F (high 20s C).

What to wear/what to pack:

  • Sunscreen lotion
  • Long and short sleeve shirts
  • Umbrella
  • Waterproof luggage
  • Sandals
  • Waterproof footwear
  • Dresses
  • Rain coat
  • Shorts or short pants
  • If you're going to the beach, bathing suits, swimwear
  • Skirts
  • Light footwear

August

In August, Portsmouth is warm, somewhat rainy and somewhat stormy. Temperatures routinely are in the high 70s F (mid 20s C) and sometimes jump into the low 80s F (high 20s C) range. At night, lows are in the low 60s F (mid 10s C).

This is also a rainy time for Portsmouth, with several of the days of the month having rain. In August, humidity reaches as high as 70%.

What to wear/what to pack:

  • Waterproof luggage
  • Long and short sleeve shirts
  • Umbrella
  • Light footwear
  • Rain coat
  • Dresses
  • Shorts or short pants
  • Sunscreen lotion
  • If you're going to the beach, bathing suits, swimwear
  • Sandals
  • Waterproof footwear
  • Skirts

September

September in Portsmouth is mild and somewhat stormy. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 70s F (low 20s C).

What to wear/what to pack:

  • Long and short sleeve shirts
  • Waterproof footwear
  • Sandals
  • Rain coat
  • Skirts
  • Waterproof luggage
  • Umbrella
  • Light footwear
  • Shorts or short pants
  • If you're going to the beach, bathing suits, swimwear
  • Sunscreen lotion
  • Dresses

October

October in Portsmouth is relatively cool and somewhat stormy. The rain can amount to several inches/centimeters.

During this time, temperatures average in the low 50s F (low 10s C) to low 50s F (mid 10s C), although night temperatures can dip into the low 30s F (single digits C).

What to wear/what to pack:

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

November

If you go to Portsmouth in November, you will notice that it is pretty cool, somewhat rainy and somewhat stormy. Expect it to rain regularly. Daytime temperatures are in the high 40s F (single digits C).

What to wear/what to pack:

  • If you plan to ski, ski equipment
  • Umbrella
  • Jacket or coat
  • Socks
  • Standard footwear
  • Waterproof boots
  • Light gloves or mittens
  • Waterproof coat
  • Warm pants or jeans
  • Fleeces

December

December in Portsmouth is frigid, snowy, somewhat rainy and somewhat stormy. The snow can amount to several inches/centimeters.

During this time, temperatures average in the 30s F (single digits C), although night temperatures can dip into the single digits F (10+ below zero C).

What to wear/what to pack:

  • Waterproof coat
  • Sweaters
  • Warm pants or jeans
  • Heavy jacket
  • Gloves or mittens
  • Cold weather footwear
  • Heavy socks
  • Waterproof boots
  • If you plan to ski, ski equipment
  • Umbrella

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

Here are some general tips on what to wear in Portsmouth, 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 Portsmouth
  • Appropriate museum wear
  • Bicycle friendly attire, if you plan on biking anywhere

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