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May Weather in Martinsville, United States

Last updated: June 24, 2025

In May, the average temperature in Martinsville, United States hovers around 20°C (68°F). This pleasant climate can fluctuate, with minimums dipping to 1°C (35°F) and maximums soaring up to 35°C (95°F). Expect 125 mm (4.9 in) of precipitation spread across approximately 12 days, contributing to an average humidity of 82%.

May Temperature in Martinsville

In May in Martinsville, the average temperature is 20°C (68°F). Maximums can reach 35°C (95°F), while minimums can be as low as 1°C (35°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates May temperature patterns in Martinsville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Martinsville, May typically has an average temperature of 20°C (68°F), with highs reaching up to 35°C (95°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec404550596875807772634844
Data source: Temperature data for Martinsville 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 Martinsville

In Martinsville in May, the total precipitation amount is 125 mm (4.9 in) spread over 12 days.

May Precipitation Trends in Martinsville

The chart displays monthly precipitation patterns in Martinsville, 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 Martinsville, May typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec731096913012582649211411478102
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Martinsville

In Martinsville in May humidity is 82%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that makes traveling a bit sluggish but surprisingly refreshing, as long as you take breaks in shaded areas to cool off.

May Average Humidity in Martinsville

This chart illustrates the average monthly humidity levels in Martinsville, 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 Martinsville is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%84%82%83%83%79%77%75%81%87%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Martinsville

In Martinsville 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 Martinsville.

Maximum UV Index Levels in Martinsville for May

The chart shows the monthly maximum UV Index (UVI) for Martinsville 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 Martinsville typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3689101110109853
Data source: Martinsville 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 Martinsville Compares to Other Months

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

This table compares monthly weather conditions in Martinsville, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)73 mm (2.9 inches)84%moderate
February Weather7°C (45°F)109 mm (4.3 inches)84%high
March Weather10°C (50°F)69 mm (2.7 inches)84%very high
April Weather15°C (60°F)130 mm (5.1 inches)82%very high
May Weather20°C (68°F)125 mm (4.9 inches)82%very high
June Weather24°C (75°F)82 mm (3.2 inches)83%extreme
July Weather26°C (80°F)64 mm (2.5 inches)79%very high
August Weather25°C (78°F)92 mm (3.6 inches)77%very high
September Weather22°C (73°F)114 mm (4.5 inches)75%very high
October Weather17°C (63°F)114 mm (4.5 inches)81%very high
November Weather9°C (49°F)78 mm (3.1 inches)87%moderate
December Weather7°C (44°F)102 mm (4.0 inches)85%moderate

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