Harrisburg (PA)
May
Weather in Harrisburg, Pennsylvania for May 2027
Your guide to Harrisburg weather in May - trends and predictions
In general, the average temperature in Harrisburg at the beginning of May is 20.1 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 22.1 °C by the end of May.
The climate of Harrisburg in May is notably wet, with an average of 15 rainy days, and a total of 226.8 mm of precipitation.
Is May a good time to visit Harrisburg? check out the best time to travel to Harrisburg page.
✨ Is May a good time to visit Harrisburg? – Ask the AI Weatherman
Temperatures
Rain 🌧️
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16
Dry days
15
Rainy days
0
Snow days
20°/11°
Temperatures
17 km/h
Avg max wind
78 %
Avg humidity
Harrisburg Weather May
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Temperatures trend during May in Harrisburg
See the weather trend as well as the moving average line
May weather in Harrisburg day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Patchy rain possible | 20° /9° | 1.2 mm | 6 | |
| May 2 |  Overcast | 21° /11° | 0.2 mm | 7 | |
| May 3 |  Partly cloudy | 21° /9° | 0 mm | 7 | |
| May 4 |  Heavy rain | 18° /10° | 28 mm | 5 | |
| May 5 | Heavy rain | 19° /13° | 26.1 mm | 5 | |
| May 6 |  Light rain | 20° /13° | 7.9 mm | 4 | |
| May 7 | Light rain | 21° /12° | 3.7 mm | 6 | |
| May 8 | Patchy rain possible | 22° /11° | 2.1 mm | 6 | |
| May 9 |  Moderate rain | 14° /10° | 10.1 mm | 4 | |
| May 10 | Light rain | 18° /8° | 5.3 mm | 5 | |
| May 11 | Light rain shower | 17° /9° | 1.6 mm | 5 | |
| May 12 | Light rain shower | 18° /7° | 1.4 mm | 6 | |
| May 13 | Light rain | 19° /11° | 9 mm | 5 | |
| May 14 | Moderate rain | 16° /11° | 18.1 mm | 4 | |
| May 15 | Light rain | 19° /12° | 5.9 mm | 5 | |
| May 16 | Light rain | 23° /12° | 3.2 mm | 7 | |
| May 17 | Patchy rain possible | 26° /14° | 0.2 mm | 7 | |
| May 18 | Patchy rain possible | 22° /15° | 1.8 mm | 6 | |
| May 19 | Patchy rain possible | 25° /14° | 0 mm | 7 | |
| May 20 | Light rain | 23° /12° | 5.8 mm | 5 | |
| May 21 | Heavy rain | 20° /12° | 30.6 mm | 5 | |
| May 22 |  Moderate rain at times | 21° /11° | 8 mm | 7 | |
| May 23 | Moderate rain | 16° /11° | 12.4 mm | 4 | |
| May 24 | Light rain | 19° /10° | 2.6 mm | 4 | |
| May 25 |  Patchy light rain with thunder | 23° /12° | 3.6 mm | 4 | |
| May 26 |  Thundery outbreaks possible | 24° /14° | 0.9 mm | 6 | |
| May 27 | Moderate rain | 24° /15° | 11.4 mm | 5 | |
| May 28 | Moderate rain | 19° /11° | 15.7 mm | 6 | |
| May 29 | Patchy light rain with thunder | 22° /10° | 3.7 mm | 6 | |
| May 30 | Light rain | 20° /12° | 5.3 mm | 7 | |
| May 31 | Patchy rain possible | 23° /10° | 1.1 mm | 7 | |
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Important Notice
Our weather forecast for Harrisburg 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 Harrisburg forecast closer to your planned date for the most up-to-date weather information.
Change Month
Harrisburg in May - FAQ
What are the expected maximum and minimum temperatures in Harrisburg during May?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Harrisburg during May?
Significant rainfall exceeding 226.8 mm is expected in Harrisburg during May, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Harrisburg during May?
The average wind speed in Harrisburg during May is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Harrisburg
Explore the daily rainfall trends and prepare for Harrisburgs May weather 💧
Typically, Harrisburg has 15 rainy days in May with a total of 226.8 mm of rainfall.
UV exposure in Harrisburg during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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