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May Weather in Morrisville, United States

Last updated: June 24, 2025

In Morrisville, United States, the average temperature in May hovers around 12°C (54°F). Weather can vary significantly, with minimums dropping to -2°C (29°F) and maximums soaring to 33°C (92°F). Expect about 103 mm (4.0 in) of precipitation spread over 13 days, all while enjoying an average humidity of 80%.

May Temperature in Morrisville

In May in Morrisville, the average temperature is 12°C (54°F). Maximums can reach 33°C (92°F), while minimums can drop to as low as -2°C (29°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your trip.

May Weather in Morrisville: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Morrisville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Morrisville, May typically has an average temperature of 12°C (54°F), with highs reaching up to 33°C (92°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec172028415463686659473222
Data source: Temperature data for Morrisville generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Morrisville

In Morrisville in May, the precipitation amount is 103 mm (4.0 in) over a span of 13 days.

May Precipitation Trends in Morrisville

The chart displays monthly precipitation patterns in Morrisville, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Morrisville, May typically receives around 103 mm (4.0 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec8784801171031141381017615211288
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Morrisville

In Morrisville in May, humidity is 80%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket that wraps around you, making it feel much cooler and damp. Traveling in these conditions might leave you feeling chilly and slightly uncomfortable, as the moisture in the air clings to your skin and clothes, turning each step into a soggy endeavor.

May Average Humidity in Morrisville

This chart illustrates the average monthly humidity levels in Morrisville, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Morrisville is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%86%85%80%74%76%75%78%86%89%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Morrisville

In Morrisville in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Morrisville.

Maximum UV Index Levels in Morrisville for May

The chart shows the monthly maximum UV Index (UVI) for Morrisville in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Morrisville typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
Data source: Morrisville May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How May Weather in Morrisville Compares to Other Months

Weather in Morrisville varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Morrisville, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Morrisville, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (17°F)87 mm (3.4 inches)93%low
February Weather-7°C (20°F)84 mm (3.3 inches)92%moderate
March Weather-2°C (28°F)80 mm (3.2 inches)86%moderate
April Weather5°C (41°F)117 mm (4.6 inches)85%very high
May Weather12°C (54°F)103 mm (4.0 inches)80%very high
June Weather17°C (63°F)114 mm (4.5 inches)74%very high
July Weather20°C (68°F)138 mm (5.4 inches)76%very high
August Weather19°C (66°F)101 mm (4.0 inches)75%very high
September Weather15°C (59°F)76 mm (3.0 inches)78%high
October Weather8°C (47°F)152 mm (6.0 inches)86%moderate
November Weather0°C (32°F)112 mm (4.4 inches)88%moderate
December Weather-5°C (23°F)88 mm (3.5 inches)89%low

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