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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