Koper, Slovenia: What to pack, what to wear, and when to go [2018]

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

When to go to Koper, Slovenia

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

What to wear/what to pack for Koper, Slovenia by month

January

If you visit Koper during January, you are likely to find that it can be very chilly. Temperatures tend to hover around the 40s F (single digits C) during the day, while at night they can dip into the high 30s F (single digits C).

Humidity is generally between 60 and 70% during the day. In terms of precipitation, you can expect it to rain 5-10 days this month.

What to wear/what to pack:

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

February

February in Koper is pretty cool. The average overnight temperatures in the area are in the high 30s F (single digits C). But the colder weather doesn't bring low humidity, which is in the 60% to 60% range on average.

What to wear/what to pack:

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

March

If you go to Koper in March, you will notice that it is pretty cool. Expect it to rain about a third of the time. Daytime temperatures are in the 50s F (low 10s C).

What to wear/what to pack:

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

April

April in Koper is cool. Temperatures average in the low 60s F (high 10s C) during the day. It rains a bit less than half of the time.

What to wear/what to pack:

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

May

If you go to Koper in May, you will notice that it is balmy. Expect it to rain regularly. Daytime temperatures are in the low 70s F (low 20s C).

What to wear/what to pack:

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

June

If you visit Koper during June, 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 60s F (high 10s C).

Humidity is generally between 50 and 60% during the day. In terms of precipitation, you can expect it to rain a bit less than half of the time.

What to wear/what to pack:

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

July

If you vacation in Koper during July, you are likely to find that it is pretty consistently hot. Temperatures tend to hover around the low 80s F (high 20s C) during the day, while at night they can dip into the high 60s F (low 10s C).

Humidity is generally between 50 and 60% during the day. In terms of precipitation, you can expect it to rain about a third of the time.

What to wear/what to pack:

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

August

August in Koper is pretty consistently hot. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 80s F (high 20s C).

What to wear/what to pack:

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

September

September in Koper is a perfect temperature. Temperatures average in the 70s F (mid 20s C) during the day. It rains a bit less than half of the time.

What to wear/what to pack:

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

October

October in Koper is chilly. The rain can amount to several inches/centimeters. During this time, temperatures average in the 60s F (high 10s C), although night temperatures can dip into the low 30s F (single digits C).

What to wear/what to pack:

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

November

November in Koper can be brisk. The rain can amount to several inches/centimeters. During this time, temperatures average in the 50s F (low 10s C), although night temperatures can dip into the low 30s F (single digits C).

What to wear/what to pack:

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

December

December in Koper is brisk. The rain can amount to several inches/centimeters.

During this time, temperatures average in the low 40s F (single digits C) to high 40s F (single digits C), although night temperatures can dip into the low 30s F (single digits C).

What to wear/what to pack:

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

Year-round what to wear/what to pack for Koper, Slovenia

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

  • A plug adadpter that supports outlet types C and F
  • A SIM card that works in Koper
  • If you plan to visit a church, make sure to bring appropriate clothing
  • Appropriate museum wear

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