Dauphin County (Harrisburg)
May
Weather in Dauphin County, Pennsylvania for May 2027
Your guide to Dauphin County weather in May - trends and predictions
In general, the average temperature in Dauphin County 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 Dauphin County 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 Dauphin County? check out the best time to travel to Dauphin County page.
✨ Is May a good time to visit Dauphin County? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
16
Dry days
15
Rainy days
0
Snow days
20°/11°
Temperatures
17 km/h
Avg max wind
78 %
Avg humidity
Dauphin County Weather May
Move between months or click on a day
Temperatures trend during May in Dauphin County
See the weather trend as well as the moving average line
May weather in Dauphin County day by day
Click on a date for more information
| 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 | |
| Next | |||||
Important Notice
Our weather forecast for Dauphin 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 Dauphin County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Dauphin County in May - FAQ
What are the expected maximum and minimum temperatures in Dauphin County 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 Dauphin County during May?
Significant rainfall exceeding 226.8 mm is expected in Dauphin County during May, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Dauphin County during May?
The average wind speed in Dauphin County during May is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Dauphin County
Explore the daily rainfall trends and prepare for Dauphin Countys May weather 💧
Typically, Dauphin County has 15 rainy days in May with a total of 226.8 mm of rainfall.
UV exposure in Dauphin County during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
Top locations in Dauphin County
Select a location for an accurate weather forecast
More Locations Quick links
More Dauphin County weather pages
You are here
Found a mistake?
We appreciate your attention to details. Tell us here.