St. Louis, Missouri, United States of America: What to pack, what to wear, and when to go [2018]

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

When to go to St. Louis, Missouri, United States of America

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

What to wear/what to pack for St. Louis, Missouri, United States of America by month

January

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

It tends to rain regularly. It also snows occasionally. 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:

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

February

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

It tends to rain 5-10 days this month. It also snows occasionally. But the colder weather doesn't bring low humidity, which is in the 50% to 60% range on average.

What to wear/what to pack:

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

March

In March, St. Louis is relatively cool and somewhat rainy. Temperatures routinely are in the 50s F (low 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 couple of inches of snowfall. This is also a rainy time for St. Louis, with several of the days of the month having rain. In March, humidity reaches as high as 60%.

What to wear/what to pack:

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

April

April in St. Louis is mild and somewhat rainy. The average overnight temperatures in the area are in the high 40s F (single digits C).

It tends to rain about a third of the time. With the colder weather comes lower humidity, which is in the 40% to 50% range on average.

What to wear/what to pack:

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

May

May in St. Louis is a perfect temperature and somewhat rainy.

The rain can amount to several inches/centimeters. During this time, temperatures average in the high 60s F (high 10s C) to 70s F (mid 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
  • Shorts or short pants
  • Umbrella
  • Sunscreen lotion
  • Rain coat
  • Dresses
  • Sandals
  • Skirts
  • Waterproof luggage
  • If you're going to the beach, bathing suits, swimwear
  • Light footwear
  • Waterproof footwear

June

June in St. Louis can be very hot.

The rain can amount to several inches/centimeters. During this time, temperatures average in the 80s F (low 20s C), although night temperatures can dip into the low 60s F (mid 10s C).

What to wear/what to pack:

  • Waterproof luggage
  • Dresses
  • If you're going to the beach, bathing suits, swimwear
  • Short sleeve shirts
  • Skirts
  • Shorts
  • Rain coat
  • Sunscreen lotion
  • Waterproof footwear
  • Sunglasses
  • Umbrella
  • Sandals

July

July here is extremely hot. Temperatures average in the high 80s F (low 30s C) during the day. It rains about a third of the time.

What to wear/what to pack:

  • Sunglasses
  • Dresses
  • If you're going to the beach, bathing suits, swimwear
  • Skirts
  • Waterproof footwear
  • Sandals
  • Waterproof luggage
  • Umbrella
  • Rain coat
  • Sunscreen lotion
  • Short sleeve shirts
  • Shorts

August

August in St. Louis is really hot.

The rain can amount to several inches/centimeters.

During this time, temperatures average in the high 70s F (mid 20s C) to high 80s F (low 30s C), although night temperatures can dip into the low 60s F (mid 10s C).

What to wear/what to pack:

  • Waterproof footwear
  • If you're going to the beach, bathing suits, swimwear
  • Short sleeve shirts
  • Sunscreen lotion
  • Umbrella
  • Shorts
  • Sandals
  • Rain coat
  • Dresses
  • Sunglasses
  • Skirts
  • Waterproof luggage

September

September in St. Louis is extremely warm.

The rain can amount to several inches/centimeters. During this time, temperatures average in the low 80s F (high 20s C), although night temperatures can dip into the low 60s F (mid 10s C).

What to wear/what to pack:

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

October

October for St. Louis is balmy. Temperatures average in the high 60s F (low 20s C) during the day. It rains a bit less than half of the time.

What to wear/what to pack:

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

November

November in St. Louis is crisp and somewhat rainy. The average overnight temperatures in the area are in the high 30s F (single digits C).

It tends to rain 5-10 days this month. But the colder weather doesn't bring low humidity, which is in the 50% to 60% range on average.

What to wear/what to pack:

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

December

December in this region is pretty cool and snowy. Temperatures average in the low 40s F (single digits C) during the day. It rains a bit less than half of the time and snows sometimes.

What to wear/what to pack:

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

Year-round what to wear/what to pack for St. Louis, Missouri, United States of America

Here are some general tips on what to wear in St. Louis, 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. Louis
  • If you plan to visit a church, make sure to bring appropriate clothing
  • If you are visiting a temple, pack respectful clothing
  • Appropriate museum wear
  • Bicycle friendly attire, if you plan on biking anywhere

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