Sion, Switzerland: What to pack, what to wear, and when to go [2018]

Traveling to Sion, Switzerland? If you're planning to go to Sion, here is some important information about when to go, what to wear, and what to pack:

When to go to Sion, Switzerland

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

What to wear/what to pack for Sion, Switzerland by month

January

January in Sion is pretty cool. The average overnight temperatures in the area are in the 20s F (single digits below 0 C), with a few days below 0 F (10+ below zero C).

It tends to rain occasionally. There is frost most days.

What to wear/what to pack:

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

February

February in Sion is brisk. The average overnight temperatures in the area are in the high 20s F (single digits below 0 C). It tends to rain sometimes. There is frost about two thirds of the time.

What to wear/what to pack:

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

March

March in Sion is cold. The average overnight temperatures in the area are in the low 30s F (single digits C). It tends to rain once in a while. There is frost regularly.

What to wear/what to pack:

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

April

If you go to Sion in April, you will notice that it is relatively cool. Expect it to rain occasionally. Daytime temperatures are in the low 50s F (mid 10s C).

What to wear/what to pack:

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

May

May in Sion is balmy. The rain can amount to several inches/centimeters. During this time, temperatures average in the high 50s F (mid 10s C) to high 60s F (low 10s C).

What to wear/what to pack:

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

June

If you go to Sion in June, you will notice that it is a perfect temperature. Expect it to rain once in a while. Daytime temperatures are in the 70s F (low 20s C).

What to wear/what to pack:

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

July

If you visit Sion during July, you are likely to find that it is warm. Temperatures tend to hover around the high 70s F (mid 20s C) during the day, while at night they can dip into the 50s F (low 10s C).

In terms of precipitation, you can expect it to rain occasionally.

What to wear/what to pack:

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

August

August here is a perfect temperature. Temperatures average in the high 70s F (mid 20s C) during the day. It rains regularly.

What to wear/what to pack:

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

September

If you go to Sion in September, you will notice that it is mild. Expect it to rain sometimes. Daytime temperatures are in the low 70s F (low 20s C).

What to wear/what to pack:

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

October

If you vacation in Sion during October, you are likely to find that it is cool. Temperatures tend to hover around the low 60s F (mid 10s C) during the day, while at night they can dip into the low 40s F (single digits C).

In terms of precipitation, you can expect it to rain once in a while. There is frost occasionally.

What to wear/what to pack:

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

November

If you vacation in Sion during November, you are likely to find that it can be brisk. Temperatures tend to hover around the high 40s F (single digits C) during the day, while at night they can dip into the low 30s F (single digits below 0 C).

In terms of precipitation, you can expect it to rain occasionally. There is frost about half of the time.

What to wear/what to pack:

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

December

December in Sion is brisk. The average overnight temperatures in the area are in the 20s F (single digits below 0 C), with a few days below 0 F (10+ below zero C).

It tends to rain about a third of the time. There is frost most days.

What to wear/what to pack:

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

Year-round what to wear/what to pack for Sion, Switzerland

Here are some general tips on what to wear in Sion, as well as several items to remember to pack when traveling there.

  • A plug adadpter that supports outlet types C and J
  • A SIM card that works in Sion
  • If you plan to visit a church, make sure to bring appropriate clothing

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