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August Weather in Morrisville, United States

Last updated: June 24, 2025

In August, the average temperature in Morrisville, United States hovers around 19°C (66°F), offering a pleasant climate. However, you can expect variations, with temperatures dipping to a minimum of 4°C (39°F) and peaking at 31°C (89°F). During this month, precipitation amounts to 101 mm (4.0 in) spread across 15 days, coupled with a comfortable average humidity of 75%.

August Temperature in Morrisville

In August in Morrisville, the average temperature is 19°C (66°F). Maximum temperatures can reach 31°C (89°F), while the minimum can drop to as low as 4°C (39°F). Be prepared for a range of temperatures when traveling, so pack layers to stay comfortable.

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

The chart illustrates August 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, August typically has an average temperature of 19°C (66°F), with highs reaching up to 31°C (89°F) and lows dropping to around 4°C (39°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.

August Precipitation in Morrisville

In Morrisville in August, the total precipitation amount is 101 mm (4.0 in) over the course of 15 days.

August Precipitation Trends in Morrisville

The chart displays monthly precipitation patterns in Morrisville, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Morrisville, August typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec8784801171031141381017615211288
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Morrisville

In Morrisville in August humidity is 75%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making it slightly uncomfortable for traveling as you navigate through the thick, muggy air.

August Average Humidity in Morrisville

This chart illustrates the average monthly humidity levels in Morrisville, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Morrisville is approximately 75%, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Morrisville

In Morrisville in August, 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 August

The chart shows the monthly maximum UV Index (UVI) for Morrisville in August, 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 August, the maximum UV index in Morrisville typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
Data source: Morrisville August 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 August 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 August’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 August’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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