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May Weather in Sylva, United States

Last updated: June 24, 2025

In Sylva, United States, the average temperature in May hovers around 16°C (62°F). Visitors can expect a range from a chilly -1°C (31°F) to a warm 27°C (82°F). With 131 mm (5.1 in) of precipitation spread over 13 days, be prepared for occasional showers. Additionally, the average humidity stands at a high 85%, creating a humid yet comfortable atmosphere.

May Temperature in Sylva

In May in Sylva, the average temperature is 16°C (62°F), with maximums potentially reaching 27°C (82°F) and minimums dropping as low as -1°C (31°F). This diverse temperature range makes Sylva a versatile destination, suitable for a variety of activities and experiences during the month.

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

The chart illustrates May temperature patterns in Sylva, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sylva, May typically has an average temperature of 16°C (62°F), with highs reaching up to 27°C (82°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec374347546267706966574541
Data source: Temperature data for Sylva 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 Sylva

In Sylva in May, the total precipitation amount is 131 mm (5.1 in) over the course of 13 days.

May Precipitation Trends in Sylva

The chart displays monthly precipitation patterns in Sylva, 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 Sylva, May typically receives around 131 mm (5.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec1111741351361319610012812415093143
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sylva

In Sylva in May humidity is 85%. With an average temperature of 16°C (62°F), this humidity feels like a warm, heavy blanket wrapping around you, making travel feel sluggish and sticky, and urging you to seek shade and hydration at every stop.

May Average Humidity in Sylva

This chart illustrates the average monthly humidity levels in Sylva, 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 Sylva is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%82%85%85%83%76%76%80%88%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Sylva

In Sylva in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Sylva.

Maximum UV Index Levels in Sylva for May

The chart shows the monthly maximum UV Index (UVI) for Sylva 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 Sylva typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478111211111110864
Data source: Sylva 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 Sylva Compares to Other Months

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

This table compares monthly weather conditions in Sylva, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)111 mm (4.4 inches)86%moderate
February Weather6°C (43°F)174 mm (6.9 inches)86%high
March Weather8°C (47°F)135 mm (5.3 inches)86%very high
April Weather12°C (54°F)136 mm (5.3 inches)82%extreme
May Weather16°C (62°F)131 mm (5.1 inches)85%extreme
June Weather19°C (67°F)95 mm (3.8 inches)85%extreme
July Weather21°C (70°F)100 mm (4.0 inches)83%extreme
August Weather21°C (69°F)128 mm (5.1 inches)76%extreme
September Weather19°C (66°F)124 mm (4.9 inches)76%very high
October Weather14°C (58°F)150 mm (5.9 inches)80%very high
November Weather7°C (45°F)93 mm (3.7 inches)88%high
December Weather5°C (41°F)143 mm (5.6 inches)88%moderate

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