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May Weather in Altamont, United States

Last updated: June 24, 2025

In May, the average temperature in Altamont, United States is a comfortable 20°C (68°F). However, temperatures can vary significantly, with a minimum of 1°C (34°F) and a maximum reaching up to 32°C (90°F). Expect 126 mm (5.0 in) of precipitation over 14 days, contributing to an average humidity level of 83%.

May Temperature in Altamont

In May in Altamont, the average temperature is 20°C (68°F). Maximum temperatures can reach 32°C (90°F), while minimums can drop as low as 1°C (34°F). Be prepared for a wide range of temperatures if you're planning to visit during this time.

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

The chart illustrates May temperature patterns in Altamont, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Altamont, May typically has an average temperature of 20°C (68°F), with highs reaching up to 32°C (90°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec404652586874777672624845
Data source: Temperature data for Altamont 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 Altamont

In Altamont in May, the precipitation amount is 126 mm (5.0 in) over a span of 14 days.

May Precipitation Trends in Altamont

The chart displays monthly precipitation patterns in Altamont, 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 Altamont, May typically receives around 126 mm (5.0 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec10817818315712712712614411612474145
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Altamont

In Altamont in May humidity is 83%. With an average temperature of 20°C (68°F), this humidity feels like a warm, heavy blanket enveloping you, making it feel much warmer than it is. Traveling in such conditions can be quite taxing, as the air feels thick, often leading to a sense of exhaustion and requiring frequent breaks to seek shade or hydration.

May Average Humidity in Altamont

This chart illustrates the average monthly humidity levels in Altamont, 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 Altamont is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%85%82%83%82%78%67%64%75%87%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Altamont

In Altamont 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 Altamont.

Maximum UV Index Levels in Altamont for May

The chart shows the monthly maximum UV Index (UVI) for Altamont 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 Altamont typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109753
Data source: Altamont 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 Altamont Compares to Other Months

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

This table compares monthly weather conditions in Altamont, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (40°F)108 mm (4.2 inches)87%moderate
February Weather8°C (46°F)178 mm (7.0 inches)87%high
March Weather11°C (52°F)183 mm (7.2 inches)85%very high
April Weather15°C (58°F)157 mm (6.2 inches)82%very high
May Weather20°C (68°F)126 mm (5.0 inches)83%extreme
June Weather23°C (74°F)127 mm (5.0 inches)82%extreme
July Weather25°C (78°F)126 mm (5.0 inches)78%extreme
August Weather24°C (76°F)144 mm (5.7 inches)67%very high
September Weather22°C (72°F)116 mm (4.6 inches)64%very high
October Weather17°C (62°F)124 mm (4.9 inches)74%high
November Weather9°C (48°F)74 mm (2.9 inches)87%moderate
December Weather7°C (45°F)145 mm (5.7 inches)88%moderate

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