United States weather

Our guide to the weather in the United States during May

23

Average high

5

UV Index

204mm

Monthly rainfall

74%

Humidity

We've looked at the most up-to-date weather data for the United States, covering the last 12 years up to 2023, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about the United States weather in May.

How warm is it in the United States during May?

The temperature reaches around 23℃ during the daytime in May, falling away to 13℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in the United States during May?

May is typically the wettest month in the United States. On average, there will be 9 rainy days during the month, amounting to 203.7mm in total. That's a lot of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a good chance that you'll catch a thunderstorm during your trip.

Is it windy in the United States during May?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during May. With warm air temperatures and high humidity, any breeze will feel warm but refreshing.

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United States Blog posts

From Ireland's most popular travel bloggers

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What to Wear on an Alaska Cruise: An Alaska Cruise Packing List

31st July 2023 by Eat Sleep Breathe Travel

Packing for an Alaska cruise proved to be quite a challenge. Although well-versed in packing for cruises to warmer destinations and even an expedition cruise to Antarctica, the task of preparing for ship life and outdoor adventures in Alaska was a new one. Deciding what to bring became a difficult decision....

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Is an Alaska Cruise Worth It: Honest Thoughts from a Non-Cruiser

31st July 2023 by Eat Sleep Breathe Travel

I was invited on a 7-day cruise to Alaska by Holland America, and I had mixed feelings. On one hand, I had heard many positive things about Alaska and it looked beautiful. On the other hand, I don't usually enjoy cruise trips as I prefer to travel slowly and seek out adventure. A big cruise trip did not seem to fit my style of travelling....

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Things to do in the Berkshires: Top Activities

26th April 2023 by Journalist On The Run

Nestled away in the hills of western Massachusetts lies The Berkshires, a stunning and often overlooked region. This area is a unique destination, offering a variety of activities and attractions to explore. From outdoor adventures to cultural experiences, there is something for everyone in The Berkshires....

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How to Have the Ultimate Girls' Weekend in New York City

24th February 2023 by Eat Sleep Breathe Travel

New York City is a must-visit destination for many, particularly for women. Its high fashion, bright lights and vibrant nightlife make it an ideal spot for a girls' getaway. In this post, I'm sharing the best things to do for the ultimate weekend in the city....

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Manta Rays in Hawaii: Swimming with Mantas in Kona

24th February 2023 by Eat Sleep Breathe Travel

I first encountered manta rays in Indonesia, while visiting Komodo National Park. As a black manta, also known as a 'ninja manta', flew overhead, I was instantly captivated. From that moment on, manta rays became my favourite animal, and I felt as excited as a child on Christmas morning each time I saw one....

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Experience the magic of Christmas in New York City with these festive ideas

16th December 2022 by Eat Sleep Breathe Travel

It’s the most wonderful time of the year! At least, as a Christmas enthusiast, I think it is! I love Christmas and while I will always be home in Canada for the holidays, I do enjoy visiting other places during the festive season to see how they celebrate. Places like London, Paris, and Vienna. However, much closer to home is another winter wonderland that is absolutely magical at this time of year: New York City. Christmas in New York City is pretty amazing. From European inspired Christmas...

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The perfect weekend in Chattanooga Tennessee

23rd November 2022 by Where is Tara?

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Weather in the United States

Our month-by-month guide to the weather and climate in the United States

5.1

United States weather in

January
6.3

United States weather in

February
13.8

United States weather in

March
18.4

United States weather in

April
23.3

United States weather in

May
30.3

United States weather in

June
32.7

United States weather in

July
31.9

United States weather in

August
28.0

United States weather in

September
20.1

United States weather in

October
12.9

United States weather in

November
6.8

United States weather in

December