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May Weather in Smithville, United States

Last updated: June 24, 2025

In Smithville, United States, the weather in May boasts an average temperature of 17°C (63°F). Expect a range from a chilly -1°C (30°F) to a sweltering 32°C (90°F). With 119 mm (4.7 in) of precipitation spread over 15 days, the humidity tends to be a high 81%, making it a rather damp month. Stay prepared for a mix of weather!

May Temperature in Smithville

In May in Smithville, the average temperature is 17°C (63°F). Maximums can reach 32°C (90°F) and minimums can drop to as low as -1°C (30°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both warm days and cool nights.

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

The chart illustrates May temperature patterns in Smithville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Smithville, May typically has an average temperature of 17°C (63°F), with highs reaching up to 32°C (90°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec303341506271757368574135
Data source: Temperature data for Smithville 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 Smithville

In Smithville in May, the precipitation amount is 119 mm (4.7 in) over a span of 15 days.

May Precipitation Trends in Smithville

The chart displays monthly precipitation patterns in Smithville, 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 Smithville, May typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec8499100129119122119861001089291
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Smithville

In Smithville in May humidity is 81%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket enveloping you, making travel slightly oppressive and calling for frequent breaks in air-conditioned spaces to recharge and enjoy your journey comfortably.

May Average Humidity in Smithville

This chart illustrates the average monthly humidity levels in Smithville, 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 Smithville is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%87%81%83%82%76%77%82%89%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Smithville

In Smithville 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 Smithville.

Maximum UV Index Levels in Smithville for May

The chart shows the monthly maximum UV Index (UVI) for Smithville 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 Smithville typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Smithville 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 Smithville Compares to Other Months

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

This table compares monthly weather conditions in Smithville, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)84 mm (3.3 inches)88%moderate
February Weather1°C (33°F)99 mm (3.9 inches)88%moderate
March Weather5°C (41°F)100 mm (3.9 inches)87%high
April Weather10°C (51°F)128 mm (5.1 inches)87%very high
May Weather17°C (63°F)119 mm (4.7 inches)81%very high
June Weather21°C (71°F)122 mm (4.8 inches)83%very high
July Weather24°C (75°F)119 mm (4.7 inches)82%very high
August Weather23°C (73°F)86 mm (3.4 inches)76%very high
September Weather20°C (68°F)100 mm (4.0 inches)77%very high
October Weather14°C (57°F)108 mm (4.2 inches)82%high
November Weather5°C (42°F)92 mm (3.6 inches)89%moderate
December Weather2°C (36°F)91 mm (3.6 inches)86%low

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