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May Weather in Colby, United States

Last updated: June 24, 2025

In Colby, United States, the average temperature in May hovers around 16°C (61°F). During this time, temperatures can vary widely, with minimums dipping to 0°C (32°F) and maximums soaring to 35°C (95°F). Be prepared for some rain, as the area typically sees 117 mm (4.6 in) of precipitation over 13 days. With an average humidity of 83%, it's advisable to pack accordingly for a potentially damp climate!

May Temperature in Colby

In May in Colby, the average temperature is 16°C (61°F). Maximums can reach 35°C (95°F), and minimums can be as low as 0°C (32°F). This wide temperature range makes Colby an ideal destination for travelers looking to experience a variety of weather conditions.

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

The chart illustrates May temperature patterns in Colby, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Colby, May typically has an average temperature of 16°C (61°F), with highs reaching up to 35°C (95°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec313143516175787569524335
Data source: Temperature data for Colby 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 Colby

In Colby in May, the total precipitation amount is 117 mm (4.6 in) spread over 13 days.

May Precipitation Trends in Colby

The chart displays monthly precipitation patterns in Colby, 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 Colby, May typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec1815563711757605756521418
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Colby

In Colby in May, humidity is 83%. With an average temperature of 16°C (61°F), this humidity feels like a warm, muggy blanket wrapping around you, making travel a bit sticky and potentially uncomfortable as you navigate through the sights.

May Average Humidity in Colby

This chart illustrates the average monthly humidity levels in Colby, 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 Colby is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%78%66%66%83%83%83%86%82%75%77%82%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Colby

In Colby in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Colby.

Maximum UV Index Levels in Colby for May

The chart shows the monthly maximum UV Index (UVI) for Colby 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 Colby typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4579101211109643
Data source: Colby 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 Colby Compares to Other Months

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

This table compares monthly weather conditions in Colby, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)18 mm (0.7 inches)74%moderate
February Weather-1°C (31°F)15 mm (0.6 inches)78%moderate
March Weather6°C (43°F)56 mm (2.2 inches)66%high
April Weather10°C (51°F)37 mm (1.5 inches)66%very high
May Weather16°C (61°F)117 mm (4.6 inches)83%very high
June Weather24°C (75°F)57 mm (2.2 inches)83%extreme
July Weather25°C (78°F)60 mm (2.3 inches)83%extreme
August Weather24°C (75°F)57 mm (2.2 inches)86%very high
September Weather21°C (70°F)56 mm (2.2 inches)82%very high
October Weather11°C (52°F)52 mm (2.0 inches)75%high
November Weather6°C (44°F)14 mm (0.6 inches)77%moderate
December Weather2°C (36°F)18 mm (0.7 inches)82%moderate

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