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

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

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

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

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

January

If you go to St. Louis County in January, you will notice that it can be very chilly. Daytime temperatures are in the high 30s F (single digits C).

What to wear/what to pack:

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

February

February here is pretty cool. Temperatures average in the 40s F (single digits C) during the day.

What to wear/what to pack:

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

March

If you are traveling to St. Louis County in March, you will notice that it can be brisk. Daytime temperatures are in the 50s F (low 10s C).

What to wear/what to pack:

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

April

If you visit St. Louis County during April, you are likely to find that it is mild.

Temperatures tend to hover around the high 60s F (high 10s C) during the day, while at night they can dip into the 40s F (single digits C).

What to wear/what to pack:

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

May

In May, St. Louis County is a perfect temperature. Temperatures routinely are in the 70s F (mid 20s C) and 5-10 days this month jump into the low 80s F (high 20s C) range.

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

What to wear/what to pack:

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

June

If you are traveling to St. Louis County in June, you will notice that it is hot. Daytime temperatures are in the 80s F (high 20s C).

What to wear/what to pack:

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

July

July in this region is really hot. Temperatures average in the high 80s F (low 30s C) during the day.

What to wear/what to pack:

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

August

Traveling to St. Louis County in August, you will notice that it is extremely hot. Daytime temperatures are in the high 80s F (low 30s C).

What to wear/what to pack:

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

September

September is pretty consistently hot. Temperatures average in the low 80s F (high 20s C) during the day.

What to wear/what to pack:

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

October

October in St. Louis County is balmy.

The rain can amount to several inches/centimeters. During this time, temperatures average in the high 60s F (low 20s C), although night temperatures can dip into the low 40s F (single digits C).

What to wear/what to pack:

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

November

November in St. Louis County is cool. Temperatures average in the 50s F (low 10s C) during the day.

What to wear/what to pack:

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

December

December in St. Louis County can be brisk. Temperatures average in the low 40s F (single digits C) during the day.

What to wear/what to pack:

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

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

Here are some general tips on what to wear in St. Louis County, 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 County
  • Appropriate museum wear

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