Herndon, Virginia, United States of America: What to pack, what to wear, and when to go [2022]

This article contains affiliate links to Amazon and other vendors. We may earn commission from purchases made through these links.

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

Contents

About your travel guide

Hi! I'm Dev. I've traveled all over the world and in my travels, I have made many packing lists. In this series, my team and I have compiled the most useful information, as well as things we couldn't live without, to help you plan your trip.


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.

Important essentials 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.

IMPORTANT COVID-19 ESSENTIALS

Other health necessities


  • Travel first aid kit

    This one is a excellent choice.


  • Emergency rapid COVID-19 test

    U.S. residents can get them free here. Otherwise, you can buy them here.


  • Emergency motion sickness relief

Don't forget these

Activities for Herndon, Virginia, United States of America

Here are some activity recommendations and activity-specific packing tips for Herndon.

If you see Herndon Historical Society & Train Depot Museum, wear museum-appropriate clothing and take:

We also recommend these top tours in and around Herndon.

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

Already know when you're traveling?

January

January in this region can be brisk, snowy and somewhat rainy. Temperatures average in the low 40s F (single digits C) during the day. It rains about a third of the time.

What to wear/what to pack:

February

February in Herndon is brisk and snowy. The average overnight temperatures in the area are in the 20s F (single digits below 0 C). It tends to rain regularly. With the colder weather comes lower humidity, which is in the 50% to 50% range on average.

What to wear/what to pack:

March

In March, Herndon is cold and somewhat rainy. Temperatures routinely are in the 50s F (low 10s C) and about a third of the time 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:

April

If you go to Herndon in April, you will notice that it is chilly and somewhat rainy. Expect it to rain a bit less than half of the time. Daytime temperatures are in the 60s F (high 10s C).

What to wear/what to pack:

May

May in Herndon is a perfect temperature and somewhat rainy. The average overnight temperatures in the area are in the low 50s 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:

June

In June, Herndon is extremely warm. Temperatures routinely are in the low 80s F (high 20s C) and 5-10 days this month 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:

July

July in Herndon is really hot and somewhat rainy. The rain can amount to several inches/centimeters. During this time, temperatures average in the 80s F (low 30s C), although night temperatures can dip into the low 60s F (mid 10s C).

What to wear/what to pack:

August

August in Herndon is pretty consistently hot. The rain can amount to several inches/centimeters. During this time, temperatures average in the 80s F (high 20s C), although night temperatures can dip into the low 60s F (mid 10s C).

What to wear/what to pack:

September

September in Herndon is warm. The rain can amount to several inches/centimeters. During this time, temperatures average in the 60s F (high 10s C) to high 70s F (mid 20s C), although night temperatures can dip into the low 50s F (single digits C).

What to wear/what to pack:

October

October in Herndon is balmy. 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 40s F (single digits C).

What to wear/what to pack:

November

If you vacation in Herndon during November, you will probably notice that it is cool. Temperatures tend to hover around the 50s F (low 10s C) during the day, while at night they can dip into the 30s F (single digits C). Humidity is generally between 50 and 60% during the day. In terms of precipitation, you can expect it to rain regularly.

What to wear/what to pack:

December

If you go to Herndon in December, you will notice that it is cold. Expect it to rain regularly. Daytime temperatures are in the 40s F (single digits C).

What to wear/what to pack:

Check out our guides for these other locations: Kanniyakumari, India, Appleton, Wisconsin, United States of America, Sagamihara, Japan, Solebury, New Jersey, United States of America, Rushden, England, United Kingdom, Schwetzingen, Germany, Kotlas, Russia, Northern Aegean, Turkey, Antananarivo, Madagascar, Rawlins, Wyoming, United States of America, and Ghazni, Afghanistan.