Allentown, Pennsylvania, United States of America: What to pack, what to wear, and when to go [2021]

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Traveling to Allentown, Pennsylvania, United States of America? If you're planning to go to Allentown, this article contains some important information about when to go, what to wear, and what to pack.

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When to go to Allentown, Pennsylvania, United States of America

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

Important esssentials for Allentown, Pennsylvania, United States of America

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

What to wear/what to pack for Allentown, Pennsylvania, United States of America by month

January

In January, Allentown is frigid, snowy and somewhat rainy. Temperatures routinely are in the 30s F (single digits C) and a bit less than half of the time jump into the low 40s F (single digits C) range. At night, lows are in the low 10s F (single digits below 0 C).

During your visit, you can expect extremely heavy snowfall. This is also a rainy time for Allentown, with several of the days of the month having rain. In January, humidity reaches as high as 70%.

What to wear/what to pack:

February

February for Allentown can be brisk, snowy and somewhat rainy. Temperatures average in the low 30s F (single digits C) during the day. It rains 5-10 days this month and snows occasionally.

What to wear/what to pack:

March

March in Allentown can be very chilly, snowy and somewhat rainy. The snow can amount to several inches/centimeters.

During this time, temperatures average in the high 30s F (single digits C) to high 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:

April

April in Allentown is chilly and somewhat rainy. The rain can amount to several inches/centimeters.

During this time, temperatures average in the low 60s F (mid 10s C), although night temperatures can dip into the low 30s F (single digits C).

What to wear/what to pack:

May

May in Allentown is mild 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 40s F (single digits C).

What to wear/what to pack:

June

In June, Allentown is extremely warm and somewhat rainy. Temperatures routinely are in the low 80s F (high 20s C) range. At night, lows are in the high 50s F (mid 10s C).

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

What to wear/what to pack:

July

If you are traveling to Allentown in July, you will notice that it is hot and somewhat rainy. Expect it to rain about a third of the time. Daytime temperatures are in the 80s F (high 20s C).

What to wear/what to pack:

August

If you are traveling to Allentown in August, you will notice that it is extremely warm and somewhat rainy. Expect it to rain 5-10 days this month. Daytime temperatures are in the low 80s F (high 20s C).

What to wear/what to pack:

September

If you visit Allentown during September, you may see that it is a perfect temperature. Temperatures tend to hover around the 70s F (mid 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 about a third of the time.

What to wear/what to pack:

October

October in this region is cool. Temperatures average in the 60s F (high 10s C) during the day. It rains 5-10 days this month.

What to wear/what to pack:

November

November in Allentown can be brisk and somewhat rainy. The average overnight temperatures in the area are in the low 30s F (single digits C), with a few days below 20 F (single digits below 0 C).

It tends to rain regularly. 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:

December

If you go to Allentown in December, you will notice that it is pretty cool, snowy and somewhat rainy. Expect it to rain 5-10 days this month and snow sometimes.

Daytime temperatures are in the low 40s F (single digits C).

What to wear/what to pack:

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