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May Weather in Cumming, United States

Last updated: June 24, 2025

In Cumming, United States, the average temperature in May hovers around 21°C (70°F). However, prepare for a range, as temperatures can dip to a chilly 4°C (39°F) or soar to a balmy 34°C (93°F). With an average precipitation of 131 mm (5.2 in) over 11 days, you might want to have an umbrella handy! The overall humidity level sits at a high 85%, adding a touch of tropical feel to the atmosphere.

May Temperature in Cumming

In May in Cumming, the average temperature is 21°C (70°F), with maximums reaching 34°C (93°F) and minimums dipping as low as 4°C (39°F). This pleasant climate makes it an ideal time for outdoor activities and exploring the local attractions.

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

The chart illustrates May temperature patterns in Cumming, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cumming, May typically has an average temperature of 21°C (70°F), with highs reaching up to 34°C (93°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec444954617075787773645147
Data source: Temperature data for Cumming 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 Cumming

In Cumming in May, the precipitation amount is 131 mm (5.2 in) distributed over 11 days.

May Precipitation Trends in Cumming

The chart displays monthly precipitation patterns in Cumming, 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 Cumming, May typically receives around 131 mm (5.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec12418215913913113512016411615690151
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Cumming

In Cumming in May, humidity is 85%. With an average temperature of 21°C (70°F), this humidity feels like a warm, heavy blanket enveloping you, making travel feel slightly stifling and requiring frequent breaks to refresh in the shade or near water.

May Average Humidity in Cumming

This chart illustrates the average monthly humidity levels in Cumming, 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 Cumming is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%82%85%85%83%76%76%80%88%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Cumming

In Cumming 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 Cumming.

Maximum UV Index Levels in Cumming for May

The chart shows the monthly maximum UV Index (UVI) for Cumming 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 Cumming typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111109864
Data source: Cumming 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 Cumming Compares to Other Months

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

This table compares monthly weather conditions in Cumming, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)124 mm (4.9 inches)86%moderate
February Weather10°C (49°F)182 mm (7.2 inches)86%high
March Weather12°C (55°F)159 mm (6.2 inches)86%very high
April Weather16°C (61°F)139 mm (5.5 inches)82%very high
May Weather21°C (70°F)131 mm (5.2 inches)85%extreme
June Weather24°C (75°F)135 mm (5.3 inches)85%extreme
July Weather26°C (78°F)120 mm (4.7 inches)83%extreme
August Weather25°C (77°F)164 mm (6.5 inches)76%very high
September Weather23°C (73°F)116 mm (4.6 inches)76%very high
October Weather18°C (65°F)156 mm (6.1 inches)80%very high
November Weather11°C (51°F)90 mm (3.5 inches)88%high
December Weather8°C (47°F)151 mm (6.0 inches)88%moderate

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