National Harbor, District of Columbia, United States of America: What to pack, what to wear, and when to go [2022]

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

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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 National Harbor, District of Columbia, United States of America

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

Important essentials for National Harbor, District of Columbia, United States of America

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

COVID-19 ESSENTIALS FOR 2022


  • Travel disinfecting wipes

    Use these to sanitize plane and hotel surfaces.


  • Travel insurance

    If you or a companion get COVID-19, your amazing trip can be ruined. Good travel insurance can help. See plans


  • N95 masks to use in crowded airports

    These N95 masks provide the best level of protection available.


  • Hand sanitizer

    This hand sanitizer is a good TSA-friendly option.


  • Kids' KN95 masks

    N95 masks aren't sold for kids. These are a good alternative (and can also be used by adults if N95 masks are not available).


  • A vaccine card protector

    Vaccine cards can wear out. An unreadable card may result in severe consequences. This vaccine card protector helps avoid that.

General health necessities

Don't forget these

What to wear/what to pack for National Harbor, District of Columbia, United States of America by month

Already know when you're traveling?

January

January 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 here can be very chilly and snowy. Temperatures average in the high 40s F (single digits C) during the day. It rains regularly.

What to wear/what to pack:

March

March in National Harbor is relatively cool and somewhat rainy. 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:

April

In April, National Harbor is balmy and somewhat rainy. Temperatures routinely are in the high 60s F (high 10s C) and about a third of the time jump into the low 70s F (low 20s C) range. At night, lows are in the high 40s F (single digits C). This is also a rainy time for National Harbor, with several of the days of the month having rain. In April, humidity reaches as high as 50%.

What to wear/what to pack:

May

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

What to wear/what to pack:

June

If you vacation in National Harbor during June, you might notice that it is pretty consistently hot. Temperatures tend to hover around the 80s F (high 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:

July

If you go to National Harbor in July, you will notice that it is really hot and somewhat rainy. Expect it to rain a bit less than half of the time. Daytime temperatures are in the high 80s F (low 30s C).

What to wear/what to pack:

August

August here can be very hot. Temperatures average in the high 80s F (low 30s C) during the day. It rains 5-10 days this month.

What to wear/what to pack:

September

September is a perfect temperature. Temperatures average in the low 70s F (mid 20s C) during the day. It rains about a third of the time.

What to wear/what to pack:

October

Traveling to National Harbor in October, you will notice that it is mild. Expect it to rain about a third of the time. Daytime temperatures are in the high 60s F (low 20s C).

What to wear/what to pack:

November

November in National Harbor is relatively cool. 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. With the colder weather comes lower humidity, which is in the 50% to 60% range on average.

What to wear/what to pack:

December

Traveling to National Harbor in December, you will notice that it is brisk. Expect it to rain regularly. Daytime temperatures are in the high 40s F (single digits C).

What to wear/what to pack:

Activities for National Harbor, District of Columbia, United States of America

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

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