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May Weather in Stanley, United States

Last updated: June 24, 2025

In May, the average temperature in Stanley, United States is a pleasant 18°C (64°F). However, be prepared for a range, as it can drop to a chilly -1°C (31°F) or soar to a warm 32°C (91°F). Expect 120 mm (4.7 in) of precipitation spread over 14 days, and a humidity level of approximately 78%, creating a vibrant, if a bit damp, atmosphere.

May Temperature in Stanley

In May in Stanley, the average temperature is 18°C (64°F). Maximum temperatures can reach 32°C (91°F), while the minimum can drop as low as -1°C (31°F). Visitors should be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates May temperature patterns in Stanley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stanley, May typically has an average temperature of 18°C (64°F), with highs reaching up to 32°C (91°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec343945556472777468594439
Data source: Temperature data for Stanley 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 Stanley

In Stanley in May, the precipitation amount is 120 mm (4.7 in) over the course of 14 days.

May Precipitation Trends in Stanley

The chart displays monthly precipitation patterns in Stanley, 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 Stanley, May typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec619172111120114871311071078285
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Stanley

In Stanley in May, humidity is 78%. With an average temperature of 18°C (64°F), this humidity feels like a warm, thick blanket wrapping around you, making traveling feel a bit sticky and sluggish, yet the coolness of the air tempers the intensity, inviting you to explore at a leisurely pace.

May Average Humidity in Stanley

This chart illustrates the average monthly humidity levels in Stanley, 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 Stanley is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%84%78%79%70%59%68%80%87%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Stanley

In Stanley 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 Stanley.

Maximum UV Index Levels in Stanley for May

The chart shows the monthly maximum UV Index (UVI) for Stanley 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 Stanley typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579111010108753
Data source: Stanley 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 Stanley Compares to Other Months

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

This table compares monthly weather conditions in Stanley, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)61 mm (2.4 inches)86%moderate
February Weather4°C (40°F)91 mm (3.6 inches)86%moderate
March Weather7°C (45°F)72 mm (2.8 inches)86%high
April Weather13°C (55°F)111 mm (4.4 inches)84%very high
May Weather18°C (64°F)120 mm (4.7 inches)78%extreme
June Weather22°C (72°F)114 mm (4.5 inches)79%very high
July Weather25°C (77°F)87 mm (3.4 inches)70%very high
August Weather23°C (74°F)131 mm (5.2 inches)59%very high
September Weather20°C (69°F)107 mm (4.2 inches)68%very high
October Weather15°C (59°F)107 mm (4.2 inches)80%high
November Weather7°C (44°F)82 mm (3.2 inches)86%moderate
December Weather4°C (39°F)85 mm (3.3 inches)85%moderate

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