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Weather in Lancaster, Pennsylvania for May 2027

Your guide to Lancaster weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in Lancaster at the beginning of May is 21 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 21.6 °C by the end of May.

  • Rain 🌧️

  • Lancaster in May brings notable rainfall, with an average of 18 rainy days and a total precipitation of 251.7 mm.

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Average dry days
13
Dry days
Average rainy days
18
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/11°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Lancaster Weather May

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Temperatures trend during May in Lancaster

See the weather trend as well as the moving average line

May weather in Lancaster day by day

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Date Weather Temperatures Rain UV More
May 1 Cloudy
Cloudy
20° /6° 0.4 mm 7
May 2 Overcast
Overcast
20° /10° 0.3 mm 8
May 3 Moderate or heavy rain shower
Moderate or heavy rain shower
21° /9° 8.8 mm 8
May 4 Moderate or heavy rain shower
Moderate or heavy rain shower
21° /11° 4.7 mm 7
May 5 Moderate or heavy rain shower
Moderate or heavy rain shower
23° /14° 7.1 mm 8
May 6 Moderate or heavy rain shower
Moderate or heavy rain shower
21° /13° 9.1 mm 4
May 7 Cloudy
Cloudy
21° /10° 0.6 mm 7
May 8 Patchy rain possible
Patchy rain possible
20° /8° 3.7 mm 7
May 9 Moderate or heavy rain shower
Moderate or heavy rain shower
15° /9° 8.8 mm 5
May 10 Partly cloudy
Partly cloudy
22° /8° 3.4 mm 8
May 11 Sunny
Sunny
19° /9° 0 mm 6
May 12 Cloudy
Cloudy
21° /7° 0.1 mm 8
May 13 Moderate or heavy rain shower
Moderate or heavy rain shower
20° /13° 12.4 mm 5
May 14 Moderate rain at times
Moderate rain at times
16° /11° 2.5 mm 5
May 15 Moderate rain at times
Moderate rain at times
21° /12° 1.1 mm 4
May 16 Moderate or heavy rain shower
Moderate or heavy rain shower
26° /11° 2.2 mm 8
May 17 Overcast
Overcast
28° /17° 0 mm 7
May 18 Patchy rain possible
Patchy rain possible
26° /15° 0.2 mm 8
May 19 Partly cloudy
Partly cloudy
27° /15° 0 mm 8
May 20 Overcast
Overcast
24° /12° 5.3 mm 6
May 21 Heavy rain at times
Heavy rain at times
13° /10° 16 mm 3
May 22 Moderate or heavy rain shower
Moderate or heavy rain shower
17° /9° 8.5 mm 6
May 23 Moderate or heavy rain shower
Moderate or heavy rain shower
13° /8° 16.3 mm 3
May 24 Patchy rain possible
Patchy rain possible
16° /9° 7.1 mm 3
May 25 Partly cloudy
Partly cloudy
21° /9° 2.6 mm 4
May 26 Partly cloudy
Partly cloudy
23° /11° 0 mm 8
May 27 Overcast
Overcast
23° /13° 2.8 mm 5
May 28 Moderate or heavy rain shower
Moderate or heavy rain shower
17° /10° 26.2 mm 7
May 29 Fog
Fog
23° /10° 0 mm 8
May 30 Overcast
Overcast
21° /12° 53.9 mm 7
May 31 Partly cloudy
Partly cloudy
23° /9° 0 mm 7
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Important Notice
Our weather forecast for Lancaster 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 Lancaster forecast closer to your planned date for the most up-to-date weather information.

Lancaster in May - FAQ

What are the expected maximum and minimum temperatures in Lancaster 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 Lancaster during May?

Significant rainfall exceeding 251.7 mm is expected in Lancaster during May, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Lancaster during May?

The average wind speed in Lancaster during May is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Lancaster

Explore the daily rainfall trends and prepare for Lancasters May weather 💧
Typically, Lancaster has 18 rainy days in May with a total of 251.7 mm of rainfall.

UV exposure in Lancaster during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️

Quick links

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Location coordinates Where is Lancaster?

Get accurate weather forecasts for Lancaster, located at latitude 40.038 and longitude -76.306. Stay updated with localized weather information tailored for Lancaster.

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