Lehigh County (Allentown)
May
Weather in Lehigh County, Pennsylvania for May 2027
Your guide to Lehigh County weather in May - trends and predictions
Lehigh County in May brings notable rainfall, with an average of 16 rainy days and a total precipitation of 193.2 mm.
Is May a good time to visit Lehigh County? check out the best time to travel to Lehigh County page.
✨ Is May a good time to visit Lehigh County? – Ask the AI Weatherman
Rain 🌧️
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15
Dry days
16
Rainy days
0
Snow days
20°/10°
Temperatures
18 km/h
Avg max wind
77 %
Avg humidity
Lehigh County Weather May
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Temperatures trend during May in Lehigh County
See the weather trend as well as the moving average line
May weather in Lehigh County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Patchy rain possible | 20° /6° | 1.2 mm | 7 | |
| May 2 |  Light rain | 20° /10° | 3 mm | 8 | |
| May 3 | Light rain | 21° /10° | 2.8 mm | 8 | |
| May 4 |  Moderate or heavy rain shower | 20° /10° | 7.2 mm | 7 | |
| May 5 | Patchy rain possible | 22° /13° | 1.1 mm | 7 | |
| May 6 |  Moderate rain | 19° /12° | 12.5 mm | 4 | |
| May 7 |  Overcast | 19° /10° | 0.9 mm | 7 | |
| May 8 | Light rain | 19° /8° | 3.9 mm | 7 | |
| May 9 | Moderate rain | 13° /9° | 13.6 mm | 4 | |
| May 10 | Patchy rain possible | 21° /7° | 1.6 mm | 7 | |
| May 11 |  Sunny | 19° /9° | 0 mm | 6 | |
| May 12 |  Partly cloudy | 21° /6° | 0 mm | 9 | |
| May 13 | Moderate rain at times | 19° /12° | 8 mm | 5 | |
| May 14 | Moderate or heavy rain shower | 15° /11° | 5.4 mm | 5 | |
| May 15 | Light rain | 19° /11° | 4.1 mm | 5 | |
| May 16 | Patchy rain possible | 24° /11° | 1.1 mm | 8 | |
| May 17 | Overcast | 27° /16° | 0 mm | 8 | |
| May 18 | Patchy rain possible | 26° /14° | 0.9 mm | 7 | |
| May 19 | Sunny | 26° /15° | 0.2 mm | 8 | |
| May 20 | Light rain | 24° /11° | 4 mm | 7 | |
| May 21 |  Heavy rain at times | 12° /10° | 12.3 mm | 3 | |
| May 22 | Heavy rain at times | 16° /9° | 6.7 mm | 7 | |
| May 23 | Moderate rain | 13° /8° | 15.2 mm | 3 | |
| May 24 | Light rain | 14° /8° | 8.3 mm | 3 | |
| May 25 | Patchy rain possible | 21° /9° | 1.8 mm | 3 | |
| May 26 | Partly cloudy | 22° /11° | 0 mm | 8 | |
| May 27 |  Mist | 23° /14° | 0.1 mm | 5 | |
| May 28 |  Heavy rain | 17° /10° | 30 mm | 7 | |
| May 29 | Patchy rain possible | 23° /10° | 1.7 mm | 8 | |
| May 30 | Heavy rain | 21° /13° | 44 mm | 8 | |
| May 31 | Light rain shower | 23° /10° | 1.6 mm | 8 | |
| Next | |||||
Important Notice
Our weather forecast for Lehigh County 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 Lehigh County forecast closer to your planned date for the most up-to-date weather information.
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Lehigh County in May - FAQ
What are the expected maximum and minimum temperatures in Lehigh County during May?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Lehigh County during May?
Significant rainfall exceeding 193.2 mm is expected in Lehigh County during May, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Lehigh County during May?
The average wind speed in Lehigh County during May is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Lehigh County
Explore the daily rainfall trends and prepare for Lehigh Countys May weather 💧
Typically, Lehigh County has 16 rainy days in May with a total of 193.2 mm of rainfall.
UV exposure in Lehigh County during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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