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May Weather in Carnegie, United States

Last updated: June 24, 2025

In May, the average temperature in Carnegie, United States hovers around 21°C (70°F), making it a pleasant time of year. However, be prepared for temperature fluctuations—minimums can drop to 5°C (41°F) while maximums can soar to 38°C (100°F). Expect moderate precipitation too, with about 142 mm (5.6 in) falling over 11 days, coupled with an average humidity of 82%.

May Temperature in Carnegie

In May in Carnegie, the average temperature is 21°C (70°F), with maximums reaching up to 38°C (100°F) and minimums dropping as low as 5°C (41°F). This range makes it a great time to explore outdoor activities while also preparing for cooler evenings.

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

The chart illustrates May temperature patterns in Carnegie, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Carnegie, May typically has an average temperature of 21°C (70°F), with highs reaching up to 38°C (100°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec394154607080848275625044
Data source: Temperature data for Carnegie 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 Carnegie

In Carnegie in May, the precipitation amount is 142 mm (5.6 in) over the course of 11 days.

May Precipitation Trends in Carnegie

The chart displays monthly precipitation patterns in Carnegie, 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 Carnegie, May typically receives around 142 mm (5.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec39356910114263374792872231
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Carnegie

In Carnegie in May, humidity is 82%. With an average temperature of 21°C (70°F), this humidity feels like a warm, sticky embrace that can quickly lead to discomfort for travelers, making outdoor activities less enjoyable and requiring frequent breaks for hydration.

May Average Humidity in Carnegie

This chart illustrates the average monthly humidity levels in Carnegie, 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 Carnegie is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%76%70%72%82%82%80%72%64%71%81%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Carnegie

In Carnegie in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Carnegie.

Maximum UV Index Levels in Carnegie for May

The chart shows the monthly maximum UV Index (UVI) for Carnegie 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 Carnegie typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111112119754
Data source: Carnegie 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 Carnegie Compares to Other Months

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

This table compares monthly weather conditions in Carnegie, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)39 mm (1.5 inches)76%moderate
February Weather5°C (41°F)35 mm (1.4 inches)76%high
March Weather12°C (54°F)69 mm (2.7 inches)70%very high
April Weather16°C (60°F)101 mm (4.0 inches)72%very high
May Weather21°C (70°F)142 mm (5.6 inches)82%extreme
June Weather26°C (80°F)63 mm (2.5 inches)82%extreme
July Weather29°C (84°F)37 mm (1.4 inches)80%extreme
August Weather28°C (82°F)47 mm (1.8 inches)72%extreme
September Weather24°C (76°F)92 mm (3.6 inches)64%very high
October Weather17°C (62°F)87 mm (3.4 inches)71%high
November Weather10°C (50°F)22 mm (0.9 inches)81%moderate
December Weather7°C (44°F)31 mm (1.2 inches)84%moderate

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