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

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

When to go to Herndon, Virginia, United States of America

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

What to wear/what to pack for Herndon, Virginia, United States of America by month

January

January in Herndon is brisk, snowy and somewhat rainy. The snow can amount to several inches/centimeters.

During this time, temperatures average in the low 40s F (single digits C), although night temperatures can dip into the low 20s F (single digits below 0 C).

What to wear/what to pack:

  • Gloves or mittens
  • Cold weather footwear
  • Heavy socks
  • Umbrella
  • Sweaters
  • Warm pants or jeans
  • Heavy jacket
  • Waterproof coat
  • Waterproof boots

February

February in Herndon is cold and snowy. The average overnight temperatures in the area are in the 20s F (single digits below 0 C).

It tends to rain about a third of the time. With the colder weather comes lower humidity, which is in the 50% to 50% range on average.

What to wear/what to pack:

  • Waterproof boots
  • Warm pants or jeans
  • Cold weather footwear
  • Heavy jacket
  • Umbrella
  • Waterproof coat
  • Heavy socks
  • Sweaters
  • Gloves or mittens

March

In March, Herndon is brisk and somewhat rainy. Temperatures routinely are in the 50s F (low 10s C) and regularly jump into the low 60s F (mid 10s C) range. At night, lows are in the low 30s F (single digits C).

During your visit, you can expect a few inches of snow. This is also a rainy time for Herndon, with several of the days of the month having rain. In March, humidity reaches as high as 50%.

What to wear/what to pack:

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

April

April in this region is chilly and somewhat rainy. Temperatures average in the 60s F (high 10s C) during the day. It rains a bit less than half of the time.

What to wear/what to pack:

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

May

May in Herndon is a perfect temperature and somewhat rainy. The rain can amount to several inches/centimeters.

During this time, temperatures average in the low 70s F (low 20s C), although night temperatures can dip into the low 50s F (single digits C).

What to wear/what to pack:

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

June

In June, Herndon is pretty consistently hot. Temperatures routinely are in the low 80s F (high 20s C) and regularly jump into the low 90s F (low 30s C) range. At night, lows are in the high 50s F (mid 10s C).

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

What to wear/what to pack:

  • Sunscreen lotion
  • Sandals
  • Waterproof luggage
  • Short sleeve shirts
  • Umbrella
  • Rain coat
  • Skirts
  • Shorts
  • Dresses
  • Waterproof footwear
  • Sunglasses

July

If you go to Herndon in July, you will notice that it is constantly hot and somewhat rainy. Expect it to rain regularly. Daytime temperatures are in the 80s F (low 30s C).

What to wear/what to pack:

  • Waterproof footwear
  • Sunglasses
  • Skirts
  • Rain coat
  • Sunscreen lotion
  • Dresses
  • Umbrella
  • Shorts
  • Sandals
  • Short sleeve shirts
  • Waterproof luggage

August

August in this region is pretty consistently hot. Temperatures average in the 80s F (high 20s C) during the day. It rains about a third of the time.

What to wear/what to pack:

  • Sandals
  • Sunscreen lotion
  • Waterproof footwear
  • Dresses
  • Umbrella
  • Waterproof luggage
  • Sunglasses
  • Short sleeve shirts
  • Rain coat
  • Shorts
  • Skirts

September

September here is warm. Temperatures average in the high 70s F (mid 20s C) during the day. It rains 5-10 days this month.

What to wear/what to pack:

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

October

October in Herndon is balmy. The average overnight temperatures in the area are in the low 40s F (single digits C).

It tends to rain regularly. With the colder weather comes lower humidity, which is in the 50% to 60% range on average.

What to wear/what to pack:

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

November

November in Herndon is crisp. The average overnight temperatures in the area are in the 30s F (single digits C).

It tends to rain 5-10 days this month. With the colder weather comes lower humidity, which is in the 50% to 60% range on average.

What to wear/what to pack:

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

December

December for Herndon is cold. Temperatures average in the 40s F (single digits C) during the day. It rains a bit less than half of the time.

What to wear/what to pack:

  • Heavy jacket
  • Sweaters
  • Cold weather footwear
  • Heavy socks
  • Waterproof coat
  • Umbrella
  • Waterproof boots
  • Warm pants or jeans
  • Gloves or mittens

Year-round what to wear/what to pack for Herndon, Virginia, United States of America

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

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

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