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

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

When to go to Groton, Connecticut, United States of America

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

What to wear/what to pack for Groton, Connecticut, United States of America by month

January

January in Groton is cold and snowy. The snow can amount to several inches/centimeters.

During this time, temperatures average in the high 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:

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

February

February in Groton can be very chilly and snowy. The snow can amount to several inches/centimeters.

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

What to wear/what to pack:

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

March

March in Groton is brisk and snowy. The snow can amount to several inches/centimeters.

During this time, temperatures average in the high 30s F (single digits C) to high 40s F (single digits C), although night temperatures can dip into the low 20s F (single digits below 0 C).

What to wear/what to pack:

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

April

In April, Groton is cool. Temperatures routinely are in the high 50s F (mid 10s C) and regularly jump into the low 60s F (mid 10s C) range. At night, lows are in the high 30s F (single digits C).

During your visit, you can expect a dusting of snow. This is also a rainy time for Groton, with several of the days of the month having rain.

What to wear/what to pack:

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

May

Traveling to Groton in May, you will notice that it is mild. Daytime temperatures are in the 60s F (high 10s C).

What to wear/what to pack:

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

June

If you visit Groton during June, you are likely to find that it is warm.

Temperatures tend to hover around the 70s F (mid 20s C) during the day, while at night they can dip into the high 50s F (mid 10s C).

What to wear/what to pack:

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

July

July in this region is hot. Temperatures average in the low 80s F (high 20s C) during the day.

What to wear/what to pack:

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

August

If you visit Groton during August, you are likely to find that it is warm.

Temperatures tend to hover around the low 70s F (mid 20s C) during the day, while at night they can dip into the low 60s F (high 10s C).

What to wear/what to pack:

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

September

September in Groton is balmy. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 70s F (low 20s C), although night temperatures can dip into the low 30s F (single digits C).

What to wear/what to pack:

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

October

October in Groton is relatively cool. The rain can amount to several inches/centimeters.

During this time, temperatures average in the low 50s F (low 10s C) to low 60s F (high 10s C), although night temperatures can dip into the low 30s F (single digits C).

What to wear/what to pack:

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

November

In November, Groton can be very chilly. Temperatures routinely are in the low 50s F (low 10s C) and about half of the time jump into the low 50s F (single digits C) range. At night, lows are in the 30s F (single digits C).

During your visit, you can expect a dusting of snow. This is also a rainy time for Groton, with several of the days of the month having rain.

What to wear/what to pack:

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

December

December in Groton is pretty cool and snowy. The average overnight temperatures in the area are in the 20s F (single digits below 0 C).

What to wear/what to pack:

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

Year-round what to wear/what to pack for Groton, Connecticut, United States of America

Here are some general tips on what to wear in Groton, 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 Groton
  • Appropriate museum wear

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