Keystone, Colorado, United States of America: What to pack, what to wear, and when to go [2018]

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

When to go to Keystone, Colorado, United States of America

Based on the climate and weather in Keystone, the best time to go is June. See below for details.

What to wear/what to pack for Keystone, Colorado, United States of America by month

January

In January, Keystone is frigid and somewhat snowy. Temperatures routinely are in the low 30s F (single digits below 0 C) and occasionally jump into the low 40s F (single digits C) range.

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

What to wear/what to pack:

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

February

February in this region is freezing. Temperatures average in the 30s F (single digits C) during the day. It snows 5-10 days this month.

What to wear/what to pack:

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

March

March in Keystone is cold and somewhat snowy. The average overnight temperatures in the area are in the single digits F (10+ below zero C). It snows regularly.

What to wear/what to pack:

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

April

If you are traveling to Keystone in April, you will notice that it can be brisk. Expect it to snow a bit less than half of the time. Daytime temperatures are in the high 40s F (single digits C).

What to wear/what to pack:

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

May

May for Keystone is chilly. Temperatures average in the high 50s F (mid 10s C) during the day. It snows sometimes.

What to wear/what to pack:

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

June

If you visit Keystone during June, you are likely to find that it is mild.

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 below 0 C).

What to wear/what to pack:

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

July

July in this region is warm. Temperatures average in the 70s F (mid 20s C) during the day.

What to wear/what to pack:

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

August

If you are traveling to Keystone in August, you will notice that it is mild. Daytime temperatures are in the low 70s F (low 20s C).

What to wear/what to pack:

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

September

September in Keystone is balmy. The average overnight temperatures in the area are in the high 20s F (single digits below 0 C).

What to wear/what to pack:

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

October

October here is chilly. Temperatures average in the 50s F (low 10s C) during the day. It snows once in a while.

What to wear/what to pack:

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

November

November in Keystone is brisk. The average overnight temperatures in the area are in the single digits F (10+ below zero C). It snows a bit less than half of the time.

What to wear/what to pack:

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

December

If you are traveling to Keystone in December, you will notice that it is frosty and somewhat snowy. Expect it to snow about a third of the time. Daytime temperatures are in the low 30s F (single digits C).

What to wear/what to pack:

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

Year-round what to wear/what to pack for Keystone, Colorado, United States of America

Here are some general tips on what to wear in Keystone, as well as several items to remember to pack when traveling there. Keystone is at a somewhat high altitude, and could cause problems for some.

For that reason, you will want to be constantly hydrated and pack altitude sickness remedies.

  • Ibuprofen
  • Ginko biloba or other supplements (ask your doctor)
  • A plug adadpter that supports outlet types A and B
  • A SIM card that works in Keystone

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