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May Weather in Colby, United States

Last updated: June 24, 2025

In May, the average temperature in Colby, United States hovers around 14°C (57°F). While you can expect a minimum chill of -2°C (28°F), the mercury can soar as high as 34°C (93°F). Be prepared for the possibility of rain, with 118 mm (4.7 in) of precipitation spread over approximately 13 days. Additionally, the average humidity reaches a comfortable 79%, ensuring a moist yet pleasant atmosphere.

May Temperature in Colby

In May in Colby, the average temperature is 14°C (57°F). Maximums can reach 34°C (93°F) and minimums can be as low as -2°C (28°F). Be prepared for a wide range of temperatures, making it essential to pack accordingly for your travels.

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 14°C (57°F), with highs reaching up to 34°C (93°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec161631415667716761463222
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 118 mm (4.7 in) over the course of 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 118 mm (4.7 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec34525498118107127133901205154
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 79%. With an average temperature of 14°C (57°F), this humidity feels like a warm, sticky embrace that can make even short strolls feel exhausting, creating a sense of heaviness in the air that might dampen your adventurous spirit while exploring.

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 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%89%86%85%79%80%80%78%80%84%89%85%
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 is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457810997532
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 Weather-9°C (16°F)34 mm (1.3 inches)88%low
February Weather-9°C (17°F)52 mm (2.1 inches)89%moderate
March Weather-1°C (31°F)54 mm (2.1 inches)86%moderate
April Weather5°C (42°F)98 mm (3.9 inches)85%high
May Weather14°C (57°F)118 mm (4.7 inches)79%very high
June Weather19°C (67°F)107 mm (4.2 inches)80%very high
July Weather22°C (71°F)127 mm (5.0 inches)80%very high
August Weather19°C (67°F)133 mm (5.3 inches)78%very high
September Weather16°C (61°F)90 mm (3.5 inches)80%high
October Weather8°C (47°F)120 mm (4.7 inches)84%moderate
November Weather0°C (32°F)51 mm (2.0 inches)89%moderate
December Weather-5°C (23°F)54 mm (2.1 inches)85%low

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