Heathrow Airport, England, United Kingdom: What to pack, what to wear, and when to go [2018]

Traveling to Heathrow Airport, England, United Kingdom? If you're planning to go to Heathrow Airport, here is some important information about when to go, what to wear, and what to pack:

When to go to Heathrow Airport, England, United Kingdom

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

What to wear/what to pack for Heathrow Airport, England, United Kingdom by month

January

In January, Heathrow Airport is brisk and somewhat rainy. Temperatures routinely are in the high 40s F (single digits C) range. At night, lows are in the 30s F (single digits C).

This is also a rainy time for Heathrow Airport, with several of the days of the month having rain. In January, humidity reaches as high as 80%. There is frost about a third of the time.

What to wear/what to pack:

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

February

In February, Heathrow Airport can be brisk. Temperatures routinely are in the high 40s F (single digits C) range. At night, lows are in the 30s F (single digits C).

This is also a rainy time for Heathrow Airport, with a few of the days of the month having rain. In February, humidity reaches as high as 80%. There is frost regularly.

What to wear/what to pack:

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

March

In March, Heathrow Airport is pretty cool and somewhat rainy. Temperatures routinely are in the low 50s F (low 10s C) range. At night, lows are in the high 30s F (single digits C).

This is also a rainy time for Heathrow Airport, with several of the days of the month having rain. In March, humidity reaches as high as 70%. There is frost sometimes.

What to wear/what to pack:

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

April

April in Heathrow Airport is chilly and somewhat rainy. The average overnight temperatures in the area are in the low 40s F (single digits C), with a few days below 32 F (single digits C).

It tends to rain 5-10 days this month. But the colder weather doesn't bring low humidity, which is in the 50% to 60% range on average.

What to wear/what to pack:

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

May

If you visit Heathrow Airport during May, you are likely to find that it is chilly. Temperatures tend to hover around the 60s F (high 10s C) during the day, while at night they can dip into the high 40s F (single digits 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:

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

June

If you visit Heathrow Airport during June, you are likely to find that it is balmy. Temperatures tend to hover around the low 60s F (low 20s C) during the day, while at night they can dip into the low 50s F (low 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:

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

July

In July, Heathrow Airport is a perfect temperature. Temperatures routinely are in the 70s F (mid 20s C) range. At night, lows are in the high 50s F (mid 10s C).

This is also a rainy time for Heathrow Airport, with a few of the days of the month having rain. In July, humidity reaches as high as 60%.

What to wear/what to pack:

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

August

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

What to wear/what to pack:

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

September

If you vacation in Heathrow Airport during September, you are likely to find that it is mild. Temperatures tend to hover around the high 60s F (low 10s C) during the day, while at night they can dip into the low 50s F (low 10s 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 luggage
  • Waterproof footwear
  • Standard footwear
  • Light jacket or fleece
  • Dresses
  • Socks
  • Pants or jeans
  • Rain coat
  • Long sleeve shirts or blouses
  • Umbrella
  • Long skirts

October

If you visit Heathrow Airport during October, you are likely to find that it can be chilly and somewhat rainy. Temperatures tend to hover around the low 50s F (mid 10s C) during the day, while at night they can dip into the high 40s F (single digits C).

Humidity is generally around 70 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:

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

November

In November, Heathrow Airport is cold and somewhat rainy. Temperatures routinely are in the low 50s F (low 10s C) range. At night, lows are in the low 40s F (single digits C).

This is also a rainy time for Heathrow Airport, with several of the days of the month having rain. In November, humidity reaches as high as 80%. There is frost occasionally.

What to wear/what to pack:

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

December

December in Heathrow Airport is pretty cool and somewhat rainy. 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:

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

Year-round what to wear/what to pack for Heathrow Airport, England, United Kingdom

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

  • A plug adadpter that supports outlet types G
  • A SIM card that works in Heathrow Airport
  • If you plan to visit a church, make sure to bring appropriate clothing

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