Saint John, New Brunswick, Canada: What to pack, what to wear, and when to go [2018]

Traveling to Saint John, New Brunswick, Canada? If you're planning to go to Saint John, here is some important information about when to go, what to wear, and what to pack:

When to go to Saint John, New Brunswick, Canada

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

What to wear/what to pack for Saint John, New Brunswick, Canada by month

January

In January, Saint John can be bitter cold and somewhat snowy. Temperatures routinely are in the high 20s F (single digits below 0 C) and about half of the time jump into the low 30s F (single digits C) range. At night, lows are in the single digits F (10+ below zero C).

This is also a rainy time for Saint John, with a few of the days of the month having rain. In January, humidity reaches as high as 70%.

What to wear/what to pack:

  • High performance gloves
  • Waterproof coat
  • Fleece for under jacket
  • Umbrella
  • Waterproof boots
  • Coveralls
  • Extreme cold weather gear
  • Multiple layer jacket shell
  • Thick pajamas
  • Thermal undergarments
  • Neck gaiter
  • Goggles for eye protection
  • Insulated boots

February

February in Saint John can be extremely cold and somewhat snowy. The average overnight temperatures in the area are in the single digits F (10+ below zero C), with a few days below -4 F (20+ below zero C). It tends to rain occasionally.

It also snows about a third of the time. But the colder weather doesn't bring low humidity, which is in the 60% to 70% range on average.

What to wear/what to pack:

  • Fleece for under jacket
  • Thermal undergarments
  • Goggles for eye protection
  • Insulated boots
  • Multiple layer jacket shell
  • Waterproof coat
  • Waterproof boots
  • High performance gloves
  • Extreme cold weather gear
  • Umbrella
  • Thick pajamas
  • Coveralls
  • Neck gaiter

March

March is frigid and somewhat snowy. Temperatures average in the 30s F (single digits C) during the day. It rains about a third of the time and snows regularly.

What to wear/what to pack:

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

April

April in Saint John can be very chilly and somewhat rainy. The average overnight temperatures in the area are in the low 20s F (single digits below 0 C). It tends to rain regularly.

It also snows once in a while. But the colder weather doesn't bring low humidity, which is in the 60% to 70% range on average.

What to wear/what to pack:

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

May

May in Saint John is chilly and somewhat rainy. The rain can amount to several inches/centimeters.

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

What to wear/what to pack:

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

June

June in Saint John is balmy and somewhat rainy. The average overnight temperatures in the area are in the high 40s F (single digits C).

It tends to rain about half of the time. But the colder weather doesn't bring low humidity, which is in the 60% to 70% range on average.

What to wear/what to pack:

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

July

July in Saint John is mild and somewhat rainy. Temperatures average in the low 70s F (low 20s C) during the day. It rains a bit less than half of the time.

What to wear/what to pack:

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

August

If you vacation in Saint John during August, you are likely to find that it is balmy and somewhat rainy. Temperatures tend to hover around the low 70s F (low 20s C) during the day, while at night they can dip into the low 50s F (low 10s C).

Humidity is generally between 60 and 70% during the day. In terms of precipitation, you can expect it to rain a bit less than half of the time.

What to wear/what to pack:

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

September

September in Saint John is crisp and somewhat rainy. The rain can amount to several inches/centimeters.

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

What to wear/what to pack:

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

October

October here can be brisk and somewhat rainy. Temperatures average in the 50s F (low 10s C) during the day. It rains a bit less than half of the time.

What to wear/what to pack:

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

November

If you go to Saint John in November, you will notice that it can be brisk and somewhat rainy. Expect it to rain about half of the time and snow once in a while.

Daytime temperatures are in the 40s F (single digits C).

What to wear/what to pack:

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

December

December in Saint John is frigid and somewhat snowy. The average overnight temperatures in the area are in the 10s F (single digits below 0 C), with a few days below -4 F (20+ below zero C). It tends to rain about a third of the time.

It also snows a bit less than half of the time. But the colder weather doesn't bring low humidity, which is in the 60% to 70% range on average.

What to wear/what to pack:

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

Year-round what to wear/what to pack for Saint John, New Brunswick, Canada

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

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