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May Weather in Sam Rayburn, United States

Last updated: June 24, 2025

In Sam Rayburn, United States, the average temperature in May is a pleasant 24°C (76°F). However, you can experience a broad range, with minimums dipping to 11°C (52°F) and maximums soaring to 36°C (97°F). Expect about 184 mm (7.2 in) of precipitation spread over 13 days, contributing to a notably high average humidity of 81%. Prepare for a mix of warmth and moisture during your stay!

May Temperature in Sam Rayburn

In May in Sam Rayburn, the average temperature is 24°C (76°F). Maximum temperatures can reach 36°C (97°F), while minimums can dip as low as 11°C (52°F). This diverse temperature range makes Sam Rayburn an ideal destination for travelers seeking both warm days and cooler evenings.

May Weather in Sam Rayburn: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Sam Rayburn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sam Rayburn, May typically has an average temperature of 24°C (76°F), with highs reaching up to 36°C (97°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec525563677681838379705955
Data source: Temperature data for Sam Rayburn 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 Sam Rayburn

In Sam Rayburn, in May, the precipitation amount is 184 mm (7.2 in) spread over 13 days.

May Precipitation Trends in Sam Rayburn

The chart displays monthly precipitation patterns in Sam Rayburn, 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 Sam Rayburn, May typically receives around 184 mm (7.2 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec1071141011331841519818316014468133
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sam Rayburn

In Sam Rayburn in May, humidity is 81%. With an average temperature of 24°C (76°F), this humidity feels like a warm, muggy embrace that can make outdoor activities feel exhausting, leaving travelers in need of frequent breaks and plenty of hydration.

May Average Humidity in Sam Rayburn

This chart illustrates the average monthly humidity levels in Sam Rayburn, 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 Sam Rayburn is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%81%79%80%81%76%73%72%72%73%83%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Sam Rayburn

In Sam Rayburn in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Sam Rayburn.

Maximum UV Index Levels in Sam Rayburn for May

The chart shows the monthly maximum UV Index (UVI) for Sam Rayburn 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 Sam Rayburn typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589101112121110864
Data source: Sam Rayburn 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 Sam Rayburn Compares to Other Months

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

This table compares monthly weather conditions in Sam Rayburn, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)107 mm (4.2 inches)81%moderate
February Weather13°C (55°F)114 mm (4.5 inches)81%very high
March Weather17°C (64°F)101 mm (4.0 inches)79%very high
April Weather20°C (68°F)132 mm (5.2 inches)80%very high
May Weather24°C (76°F)184 mm (7.2 inches)81%extreme
June Weather27°C (81°F)150 mm (5.9 inches)76%extreme
July Weather28°C (83°F)98 mm (3.8 inches)73%extreme
August Weather28°C (83°F)183 mm (7.2 inches)71%extreme
September Weather26°C (80°F)160 mm (6.3 inches)72%very high
October Weather21°C (71°F)144 mm (5.7 inches)73%very high
November Weather15°C (59°F)68 mm (2.7 inches)83%high
December Weather13°C (55°F)133 mm (5.3 inches)88%moderate

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