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May Weather in Columbia, United States

Last updated: June 24, 2025

In Columbia, United States, the average temperature in May is a comfortable 21°C (70°F). However, be prepared for a range where temperatures can dip as low as 2°C (36°F) and soar up to 34°C (93°F). Expect around 111 mm (4.4 in) of precipitation spread over about 13 days, with an average humidity level of 83%. Stay cozy and stylish as you navigate through the climate of Columbia!

May Temperature in Columbia

In May in Columbia, the average temperature is 21°C (70°F). Maximums can reach 34°C (93°F) and minimums can be as low as 2°C (36°F). Travelers should be prepared for a wide range of temperatures and pack accordingly to enjoy their stay.

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

The chart illustrates May temperature patterns in Columbia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Columbia, 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 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec414654597076797874634946
Data source: Temperature data for Columbia 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 Columbia

In Columbia in May, the precipitation amount reaches 111 mm (4.4 in) over the course of 13 days.

May Precipitation Trends in Columbia

The chart displays monthly precipitation patterns in Columbia, 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 Columbia, May typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec11317917215411112612811911011877150
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Columbia

In Columbia in May humidity is 83%. With an average temperature of 21°C (70°F), this humidity feels like you’re enveloped in a warm, tropical embrace, making it essential to stay hydrated and take breaks during your travels.

May Average Humidity in Columbia

This chart illustrates the average monthly humidity levels in Columbia, 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 Columbia 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 Columbia

In Columbia 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 Columbia.

Maximum UV Index Levels in Columbia for May

The chart shows the monthly maximum UV Index (UVI) for Columbia 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 Columbia typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46710101111109753
Data source: Columbia 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 Columbia Compares to Other Months

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

This table compares monthly weather conditions in Columbia, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)112 mm (4.4 inches)87%moderate
February Weather8°C (46°F)179 mm (7.0 inches)87%high
March Weather12°C (54°F)172 mm (6.8 inches)85%high
April Weather15°C (60°F)154 mm (6.1 inches)82%very high
May Weather21°C (70°F)111 mm (4.4 inches)83%very high
June Weather25°C (77°F)126 mm (5.0 inches)82%extreme
July Weather26°C (80°F)128 mm (5.0 inches)78%extreme
August Weather26°C (78°F)119 mm (4.7 inches)67%very high
September Weather23°C (74°F)110 mm (4.3 inches)64%very high
October Weather17°C (64°F)118 mm (4.6 inches)74%high
November Weather9°C (49°F)77 mm (3.0 inches)87%moderate
December Weather8°C (46°F)149 mm (5.9 inches)88%moderate

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