Big Sky, Montana, United States of America: What to pack, what to wear, and when to go [2018]

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

When to go to Big Sky, Montana, United States of America

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

What to wear/what to pack for Big Sky, Montana, United States of America by month

January

If you are traveling to Big Sky in January, you will notice that it can be extremely cold. Expect it to rain or snow a bit less than half of the time.

Daytime temperatures are in the low 30s F (single digits below 0 C).

What to wear/what to pack:

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

February

February in Big Sky is freezing. The average overnight temperatures in the area are in the single digits F (10+ below zero C).

What to wear/what to pack:

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

March

In March, Big Sky can be brisk. Temperatures routinely are in the low 40s F (single digits C) range.

At night, lows are in the 10s F (single digits below 0 C). This is also a rainy time for Big Sky, with several of the days of the month having rain.

What to wear/what to pack:

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

April

April in Big Sky is cold. The rain/snow can amount to several inches/centimeters.

During this time, temperatures average in the high 30s F (single digits C) to low 50s F (low 10s 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
  • Warm pants or jeans
  • Waterproof coat
  • Gloves or mittens
  • Umbrella
  • Sweaters
  • Waterproof boots
  • Heavy socks
  • Heavy jacket
  • Cold weather footwear

May

May in Big Sky is crisp. The average overnight temperatures in the area are in the high 20s F (single digits below 0 C).

What to wear/what to pack:

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

June

June in Big Sky is balmy. The average overnight temperatures in the area are in the 30s F (single digits C).

What to wear/what to pack:

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

July

July in Big Sky is warm. The average overnight temperatures in the area are in the low 40s F (single digits C).

What to wear/what to pack:

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

August

If you go to Big Sky in August, you will notice that it is a perfect temperature. Expect it to rain about a third of the time. Daytime temperatures are in the high 70s F (mid 20s C).

What to wear/what to pack:

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

September

If you vacation in Big Sky during September, you are likely to find that it is balmy. Temperatures tend to hover around the high 60s F (low 20s 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 or snow/sleet 5-10 days this month.

What to wear/what to pack:

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

October

If you go to Big Sky in October, you will notice that it is cool. Expect it to rain or snow regularly. Daytime temperatures are in the 50s F (low 10s C).

What to wear/what to pack:

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

November

November in Big Sky is cold. The average overnight temperatures in the area are in the 10s F (single digits below 0 C), with a few days below 0 F (10+ below zero C).

What to wear/what to pack:

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

December

In December, Big Sky can be extremely cold. Temperatures routinely are in the high 20s F (single digits below 0 C) range.

At night, lows are in the single digits F (10+ below zero C). This is also a rainy time for Big Sky, with several of the days of the month having rain.

What to wear/what to pack:

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

Year-round what to wear/what to pack for Big Sky, Montana, United States of America

Here are some general tips on what to wear in Big Sky, 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 Big Sky

Check out our guides for these other locations: Bai Tu Long Bay, Vietnam, Kiawah Island, South Carolina, United States of America, Mal País, Costa Rica, Carolina Beach, North Carolina, United States of America, Cheongju, South Korea, Borama, Somaliland, Goshen, Indiana, United States of America, Havelock, North Carolina, United States of America, Oppdal, Norway, Vitebsk Oblast, Belarus, and French Alps, France.