May Weather in Barnwell, United States

Last updated: June 24, 2025

In May, the average temperature in Barnwell, United States hovers around 23°C (74°F). Expect a range from a brisk 6°C (43°F) to a sweltering 38°C (101°F). This month sees 99 mm (3.9 in) of precipitation spread across 9 days, with an average humidity of 75%. Prepare for a mix of warm days and refreshing rain!

May Temperature in Barnwell

In May in Barnwell, the average temperature is 23°C (74°F). Maximums can reach 38°C (101°F) and minimums can be as low as 6°C (43°F). This makes it an ideal time for travelers to enjoy a variety of outdoor activities while being prepared for both warm and cooler conditions.

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

The chart illustrates May temperature patterns in Barnwell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barnwell, May typically has an average temperature of 23°C (74°F), with highs reaching up to 38°C (101°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec505559667479828178705652
Data source: Temperature data for Barnwell 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 Barnwell

In Barnwell in May, the precipitation amount is 99 mm (3.9 in) during a span of 9 days.

May Precipitation Trends in Barnwell

The chart displays monthly precipitation patterns in Barnwell, 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 Barnwell, May typically receives around 99 mm (3.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec851067611099126143137887261129
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Barnwell

In Barnwell in May, humidity is 75%. With an average temperature of 23°C (74°F), this humidity feels like a warm, heavy blanket wrapping around you, making it feel more sweltering than it actually is, which can be quite uncomfortable for traveling.

May Average Humidity in Barnwell

This chart illustrates the average monthly humidity levels in Barnwell, 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 Barnwell is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%81%81%79%75%75%80%81%83%78%85%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Barnwell

In Barnwell 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 Barnwell.

Maximum UV Index Levels in Barnwell for May

The chart shows the monthly maximum UV Index (UVI) for Barnwell 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 Barnwell typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111119864
Data source: Barnwell 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 Barnwell Compares to Other Months

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

This table compares monthly weather conditions in Barnwell, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)85 mm (3.3 inches)86%moderate
February Weather13°C (55°F)106 mm (4.2 inches)81%high
March Weather15°C (60°F)76 mm (3.0 inches)81%very high
April Weather19°C (66°F)110 mm (4.3 inches)79%very high
May Weather23°C (74°F)99 mm (3.9 inches)75%extreme
June Weather26°C (79°F)126 mm (4.9 inches)75%extreme
July Weather28°C (82°F)143 mm (5.6 inches)80%extreme
August Weather27°C (81°F)137 mm (5.4 inches)81%extreme
September Weather26°C (78°F)88 mm (3.4 inches)83%very high
October Weather21°C (70°F)72 mm (2.8 inches)78%very high
November Weather13°C (56°F)61 mm (2.4 inches)85%high
December Weather11°C (52°F)128 mm (5.1 inches)87%moderate

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