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May Weather in Gallatin, United States

Last updated: June 24, 2025

In May, the average temperature in Gallatin, United States hovers around 18°C (65°F). Expect variations, with minimum temperatures dipping to 3°C (38°F) and maximums soaring up to 37°C (98°F). This month also brings about 178 mm (7.0 in) of precipitation over 15 days, contributing to a high average humidity of 82%. Prepare for a mix of warmth and moisture!

May Temperature in Gallatin

In May in Gallatin, the average temperature is 18°C (65°F), with maximums reaching 37°C (98°F) and minimums dropping to as low as 3°C (38°F). Be sure to pack both light clothing for the warm days and a warmer layer for the cooler nights.

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

The chart illustrates May temperature patterns in Gallatin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gallatin, May typically has an average temperature of 18°C (65°F), with highs reaching up to 37°C (98°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec283044526576797670554235
Data source: Temperature data for Gallatin 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 Gallatin

In Gallatin in May, the precipitation amount is 178 mm (7.0 in) over a span of 15 days.

May Precipitation Trends in Gallatin

The chart displays monthly precipitation patterns in Gallatin, 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 Gallatin, May typically receives around 178 mm (7.0 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec514010085178143110911091415434
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Gallatin

In Gallatin in May, humidity is 82%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can quickly leave travelers feeling fatigued and in need of frequent breaks to stay refreshed and hydrated.

May Average Humidity in Gallatin

This chart illustrates the average monthly humidity levels in Gallatin, 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 Gallatin is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%75%77%82%83%81%78%72%72%84%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Gallatin

In Gallatin 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 Gallatin.

Maximum UV Index Levels in Gallatin for May

The chart shows the monthly maximum UV Index (UVI) for Gallatin 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 Gallatin typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
Data source: Gallatin 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 Gallatin Compares to Other Months

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

This table compares monthly weather conditions in Gallatin, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)51 mm (2.0 inches)80%moderate
February Weather-1°C (30°F)40 mm (1.6 inches)78%moderate
March Weather7°C (44°F)100 mm (3.9 inches)75%high
April Weather11°C (53°F)85 mm (3.3 inches)77%very high
May Weather18°C (65°F)178 mm (7.0 inches)82%very high
June Weather25°C (76°F)143 mm (5.6 inches)83%extreme
July Weather26°C (79°F)110 mm (4.3 inches)81%extreme
August Weather24°C (76°F)91 mm (3.6 inches)78%very high
September Weather21°C (71°F)109 mm (4.3 inches)72%very high
October Weather13°C (55°F)141 mm (5.6 inches)72%high
November Weather5°C (42°F)54 mm (2.1 inches)84%moderate
December Weather2°C (35°F)34 mm (1.3 inches)86%moderate

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