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May Weather in Pittsburg, United States

Last updated: June 24, 2025

In Pittsburg, United States, the average temperature in May hovers around 20°C (69°F). Expect a range with a minimum of 4°C (40°F) and a maximum soaring to 33°C (92°F). During this time, you'll encounter around 131 mm (5.2 in) of precipitation spread over 13 days, alongside an average humidity level of 82%.

May Temperature in Pittsburg

In May in Pittsburg, the average temperature is 20°C (69°F). Maximums can reach 33°C (92°F), while minimums can drop as low as 4°C (40°F). This varied climate makes Pittsburg an ideal destination for travelers seeking both warmth and cooler experiences.

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

The chart illustrates May temperature patterns in Pittsburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pittsburg, May typically has an average temperature of 20°C (69°F), with highs reaching up to 33°C (92°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec363949576977807773614642
Data source: Temperature data for Pittsburg 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 Pittsburg

In Pittsburg in May, the precipitation amount is 131 mm (5.2 in) over the course of 13 days.

May Precipitation Trends in Pittsburg

The chart displays monthly precipitation patterns in Pittsburg, 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 Pittsburg, May typically receives around 131 mm (5.2 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec961151401381311179084751139287
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Pittsburg

In Pittsburg in May humidity is 82%. With an average temperature of 20°C (69°F), this humidity feels like a warm, sticky embrace that clings to your skin, making it necessary to stay hydrated while exploring the sights.

May Average Humidity in Pittsburg

This chart illustrates the average monthly humidity levels in Pittsburg, 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 Pittsburg is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%84%80%82%83%80%76%75%75%85%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Pittsburg

In Pittsburg 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 Pittsburg.

Maximum UV Index Levels in Pittsburg for May

The chart shows the monthly maximum UV Index (UVI) for Pittsburg 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 Pittsburg typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710111110109753
Data source: Pittsburg 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 Pittsburg Compares to Other Months

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

This table compares monthly weather conditions in Pittsburg, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)96 mm (3.8 inches)86%moderate
February Weather4°C (39°F)115 mm (4.5 inches)84%high
March Weather10°C (49°F)140 mm (5.5 inches)84%high
April Weather14°C (57°F)138 mm (5.4 inches)80%very high
May Weather20°C (69°F)131 mm (5.2 inches)82%extreme
June Weather25°C (77°F)117 mm (4.6 inches)83%extreme
July Weather27°C (81°F)90 mm (3.5 inches)79%very high
August Weather25°C (78°F)84 mm (3.3 inches)76%very high
September Weather23°C (74°F)75 mm (3.0 inches)75%very high
October Weather16°C (61°F)113 mm (4.4 inches)74%high
November Weather8°C (46°F)92 mm (3.6 inches)85%moderate
December Weather5°C (42°F)87 mm (3.4 inches)88%moderate

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