nomadseason

May Weather in Johnstonville, United States

Last updated: June 24, 2025

The average temperature in Johnstonville, United States during May is a mild 13°C (56°F). However, temperatures can vary widely, with a minimum of -4°C (25°F) and a maximum reaching 32°C (90°F). You'll want to be prepared for some rain, as the precipitation averages 40 mm (1.6 in) over about 7 days. Don't forget, the average humidity is around 72%, adding a bit of warmth to those cooler days!

May Temperature in Johnstonville

In May in Johnstonville, the average temperature is 13°C (56°F). Maximum temperatures can reach up to 32°C (90°F), while minimums can drop as low as -4°C (25°F). This variability makes it essential for travelers to prepare for both warm and chilly conditions during their visit.

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

The chart illustrates May temperature patterns in Johnstonville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Johnstonville, May typically has an average temperature of 13°C (56°F), with highs reaching up to 32°C (90°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec323337465566757364504031
Data source: Temperature data for Johnstonville generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Johnstonville

In Johnstonville in May, the precipitation amount is 40 mm (1.6 in) over a span of 7 days.

May Precipitation Trends in Johnstonville

The chart displays monthly precipitation patterns in Johnstonville, 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 Johnstonville, May typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec8893753840107717323963
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Johnstonville

In Johnstonville in May, humidity is 72%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket enveloping you, making outdoor activities somewhat uncomfortable and reminding travelers to stay hydrated and seek shade whenever possible.

May Average Humidity in Johnstonville

This chart illustrates the average monthly humidity levels in Johnstonville, 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 Johnstonville is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%87%86%83%72%67%56%42%46%67%86%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Johnstonville

In Johnstonville 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 Johnstonville.

Maximum UV Index Levels in Johnstonville for May

The chart shows the monthly maximum UV Index (UVI) for Johnstonville 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 Johnstonville typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4589111211119743
Data source: Johnstonville 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 Johnstonville Compares to Other Months

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

This table compares monthly weather conditions in Johnstonville, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)88 mm (3.5 inches)86%moderate
February Weather0°C (33°F)93 mm (3.7 inches)87%moderate
March Weather3°C (38°F)75 mm (3.0 inches)86%very high
April Weather8°C (47°F)38 mm (1.5 inches)83%very high
May Weather13°C (56°F)40 mm (1.6 inches)72%extreme
June Weather19°C (67°F)10 mm (0.4 inches)67%extreme
July Weather24°C (75°F)7 mm (0.3 inches)56%extreme
August Weather23°C (73°F)7 mm (0.3 inches)42%extreme
September Weather18°C (64°F)16 mm (0.6 inches)46%very high
October Weather10°C (51°F)32 mm (1.2 inches)67%high
November Weather5°C (41°F)39 mm (1.5 inches)86%moderate
December Weather-1°C (31°F)63 mm (2.5 inches)86%moderate

Compare Johnstonville's Climate with Cities Worldwide