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May Weather in Sparta, United States

Last updated: June 24, 2025

In May, the average temperature in Sparta, United States is a mild 18°C (64°F), allowing for a comfortable climate. However, temperatures can swing from a chilly -1°C (30°F) at night to a warm 31°C (87°F) during the day. Expect 137 mm (5.4 in) of precipitation spread across about 14 days, contributing to an average humidity of 83% that adds to the lush atmosphere.

May Temperature in Sparta

In May in Sparta, the average temperature is 18°C (64°F). Maximums can reach 31°C (87°F), while minimums can dip as low as -1°C (30°F). This diverse range of temperatures makes it essential for travelers to pack accordingly for varying weather conditions.

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

The chart illustrates May temperature patterns in Sparta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sparta, May typically has an average temperature of 18°C (64°F), with highs reaching up to 31°C (87°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec374247556470747268594541
Data source: Temperature data for Sparta 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 Sparta

In Sparta in May, the precipitation amount is 137 mm (5.4 in) spread over 14 days.

May Precipitation Trends in Sparta

The chart displays monthly precipitation patterns in Sparta, 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 Sparta, May typically receives around 137 mm (5.4 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec83114881421371068812413213776104
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sparta

In Sparta in May humidity is 83%. With an average temperature of 18°C (64°F), this humidity feels like a warm blanket enveloping you, making outdoor exploring somewhat sticky and requiring frequent hydration breaks.

May Average Humidity in Sparta

This chart illustrates the average monthly humidity levels in Sparta, 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 Sparta is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%84%83%83%79%66%68%78%89%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Sparta

In Sparta 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 Sparta.

Maximum UV Index Levels in Sparta for May

The chart shows the monthly maximum UV Index (UVI) for Sparta 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 Sparta typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111010853
Data source: Sparta 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 Sparta Compares to Other Months

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

This table compares monthly weather conditions in Sparta, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)83 mm (3.3 inches)87%moderate
February Weather6°C (43°F)114 mm (4.5 inches)87%high
March Weather8°C (47°F)88 mm (3.5 inches)86%very high
April Weather13°C (55°F)142 mm (5.6 inches)84%very high
May Weather18°C (64°F)137 mm (5.4 inches)83%extreme
June Weather21°C (70°F)106 mm (4.2 inches)83%extreme
July Weather23°C (74°F)88 mm (3.5 inches)79%extreme
August Weather22°C (73°F)124 mm (4.9 inches)66%very high
September Weather20°C (68°F)132 mm (5.2 inches)68%very high
October Weather15°C (59°F)137 mm (5.4 inches)78%very high
November Weather7°C (45°F)76 mm (3.0 inches)89%moderate
December Weather5°C (41°F)104 mm (4.1 inches)86%moderate

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