St. Thomas, Ontario, Canada: What to pack, what to wear, and when to go [2018]

Traveling to St. Thomas, Ontario, Canada? If you're planning to go to St. Thomas, here is some important information about when to go, what to wear, and what to pack:

When to go to St. Thomas, Ontario, Canada

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

What to wear/what to pack for St. Thomas, Ontario, Canada by month

January

In January, St. Thomas is frigid and somewhat snowy. Temperatures routinely are in the low 30s 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 high 10s F (single digits below 0 C). This is also a rainy time for St. Thomas, with a few of the days of the month having rain.

What to wear/what to pack:

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

February

February in St. Thomas is frigid. Temperatures average in the low 30s F (single digits C) during the day. It rains occasionally and snows a bit less than half of the time.

What to wear/what to pack:

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

March

March in this region can be brisk and somewhat rainy. Temperatures average in the low 40s F (single digits C) during the day. It rains 5-10 days this month and snows occasionally.

What to wear/what to pack:

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

April

If you are traveling to St. Thomas in April, you will notice that it is relatively cool and somewhat rainy. Expect it to rain about half of the time. Daytime temperatures are in the 50s F (low 10s C).

What to wear/what to pack:

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

May

May in St. Thomas is mild and somewhat rainy. The average overnight temperatures in the area are in the 40s F (single digits C). It tends to rain about half of the time.

What to wear/what to pack:

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

June

June here is a perfect temperature and somewhat rainy. Temperatures average in the 70s F (mid 20s C) during the day. It rains about a third of the time.

What to wear/what to pack:

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

July

In July, St. Thomas is extremely warm and somewhat rainy. Temperatures routinely are in the low 80s F (high 20s C) and occasionally jump into the 80s F (low 30s C) range.

At night, lows are in the low 50s F (mid 10s C). This is also a rainy time for St. Thomas, with several of the days of the month having rain.

What to wear/what to pack:

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

August

In August, St. Thomas is warm and somewhat rainy. Temperatures routinely are in the high 70s F (mid 20s C) range.

At night, lows are in the high 50s F (mid 10s C). This is also a rainy time for St. Thomas, with several of the days of the month having rain.

What to wear/what to pack:

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

September

If you visit St. Thomas during September, you are likely to find that it is mild 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).

In terms of precipitation, you can expect it to rain about half of the time.

What to wear/what to pack:

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

October

October in St. Thomas is cool 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:

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

November

If you visit St. Thomas during November, you are likely to find that it is brisk and somewhat rainy.

Temperatures tend to hover around the high 40s F (single digits C) during the day, while at night they can dip into the low 30s F (single digits C).

In terms of precipitation, you can expect it to rain about half of the time.

What to wear/what to pack:

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

December

December in St. Thomas is frigid. The average overnight temperatures in the area are in the low 20s F (single digits below 0 C). It tends to rain 5-10 days this month. It also snows about a third of the time.

What to wear/what to pack:

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

Year-round what to wear/what to pack for St. Thomas, Ontario, Canada

Here are some general tips on what to wear in St. Thomas, 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 St. Thomas
  • If you plan to visit a church, make sure to bring appropriate clothing
  • Appropriate museum wear

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