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United States weather

Weather in the United States for May 2026

Your guide to the United States weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in the United States at the beginning of May is 17.9 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 22.7 °F by the end of May.

    • Rain 🌧️

  • United States experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 178.9 mm.

    • More

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Average dry days
6
Dry days
Average rainy days
25
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/12°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
64 %
Avg humidity

United States Weather May

Move between months or click on a day
April
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
17°
2
Overcast
21°
3
Moderate or heavy rain shower
17°
4
Overcast
17°
5
Moderate or heavy rain shower
16°
6
Cloudy
18°
7
Cloudy
19°
8
Heavy rain at times
19°
9
Moderate rain at times
18°
10
Sunny
19°
11
Cloudy
20°
12
Partly cloudy
20°
13
Patchy rain possible
20°
14
Cloudy
20°
15
Patchy rain possible
23°
16
Overcast
22°
17
Sunny
22°
18
Partly cloudy
21°
19
Sunny
23°
20
Partly cloudy
22°
21
Overcast
23°
22
Sunny
24°
23
Partly cloudy
23°
24
Partly cloudy
21°
25
Overcast
21°
26
Patchy rain possible
24°
27
Partly cloudy
23°
28
Moderate or heavy rain shower
22°
29
Moderate or heavy rain shower
22°
30
Moderate or heavy rain shower
21°
31
Sunny
26°

What’s the Weather Like in United States This May?

Discover the average temperatures and weather trends across United States’s cities this May.
Patchy rain possibleNew York City20 °F / 12 °FPatchy rain possibleChicago17 °F / 10 °FPatchy rain possibleAtlanta26 °F / 17 °FPatchy rain possibleDallas29 °F / 19 °FPatchy rain possibleHouston30 °F / 22 °FSunnyLos Angeles23 °F / 14 °FPatchy rain possibleOrlando31 °F / 21 °FPatchy rain possibleMiami28 °F / 25 °FPatchy rain possibleBoston18 °F / 10 °FPatchy rain possibleWashington23 °F / 13 °FPatchy rain possibleJuneau6 °F / 1 °FPatchy rain possibleKetchikan9 °F / 6 °FMore Locations

Temperatures trend during May in the United States

See the weather trend as well as the moving average line

May weather in the United States day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
May 1 Sunny
Sunny
 17° /8° 0.9 mm 4
May 2 Overcast
Overcast
 21° /10° 1.5 mm 5
May 3 Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /11° 3.9 mm 4
May 4 Overcast
Overcast
 17° /10° 9 mm 4
May 5 Moderate or heavy rain shower
Moderate or heavy rain shower
 16° /10° 18 mm 4
May 6 Cloudy
Cloudy
 18° /10° 15.1 mm 4
May 7 Cloudy
Cloudy
 19° /10° 6.9 mm 4
May 8 Heavy rain at times
Heavy rain at times
 19° /11° 3.1 mm 4
May 9 Moderate rain at times
Moderate rain at times
 18° /9° 23.4 mm 4
May 10 Sunny
Sunny
 19° /8° 2 mm 5
May 11 Cloudy
Cloudy
 20° /9° 0 mm 5
May 12 Partly cloudy
Partly cloudy
 20° /11° 2.4 mm 5
May 13 Patchy rain possible
Patchy rain possible
 20° /12° 1 mm 5
May 14 Cloudy
Cloudy
 20° /12° 18.8 mm 5
May 15 Patchy rain possible
Patchy rain possible
 23° /13° 0.5 mm 5
May 16 Overcast
Overcast
 22° /14° 2.7 mm 5
May 17 Sunny
Sunny
 22° /13° 0 mm 5
May 18 Partly cloudy
Partly cloudy
 21° /12° 0 mm 5
May 19 Sunny
Sunny
 23° /12° 3.4 mm 6
May 20 Partly cloudy
Partly cloudy
 22° /12° 3.9 mm 5
May 21 Overcast
Overcast
 23° /13° 5.8 mm 5
May 22 Sunny
Sunny
 24° /15° 8.3 mm 6
May 23 Partly cloudy
Partly cloudy
 23° /14° 2 mm 6
May 24 Partly cloudy
Partly cloudy
 21° /13° 0.1 mm 6
May 25 Overcast
Overcast
 21° /12° 0 mm 5
May 26 Patchy rain possible
Patchy rain possible
 24° /13° 1.1 mm 6
May 27 Partly cloudy
Partly cloudy
 23° /15° 4.5 mm 6
May 28 Moderate or heavy rain shower
Moderate or heavy rain shower
 22° /14° 10.3 mm 5
May 29 Moderate or heavy rain shower
Moderate or heavy rain shower
 22° /13° 10.3 mm 5
May 30 Moderate or heavy rain shower
Moderate or heavy rain shower
 21° /12° 6.3 mm 5
May 31 Sunny
Sunny
 26° /13° 13.7 mm 6
Next
Important Notice
Our weather forecast for the United States in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the United States forecast closer to your planned date for the most up-to-date weather information.
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United States in May - FAQ

What are the expected maximum and minimum temperatures in United States during May?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in United States during May?
Significant rainfall exceeding 178.9 mm is expected in United States during May, occurring over more than 25 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in United States during May?
The average wind speed in United States during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in the United States

Explore the daily rainfall trends and prepare for United Statess May weather 💧

UV exposure in the United States during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Location coordinates Where is the United States?

Get accurate weather forecasts for United States, located at latitude 40.714 and longitude -74.006. Stay updated with localized weather information tailored for United States.

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