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May Weather in Rock Springs, United States

Last updated: June 24, 2025

In May, the average temperature in Rock Springs, United States hovers around 16°C (61°F), with extremes ranging from a brisk 0°C (32°F) to a warm 31°C (87°F). Expect 15 mm (0.6 in) of precipitation spread over about 3 days, while the average humidity rests at a comfortable 48%. Prepare accordingly for a delightful mix of weather!

May Temperature in Rock Springs

In May in Rock Springs, the average temperature is 16°C (61°F). Maximum temperatures can reach 31°C (87°F), while minimums can drop as low as 0°C (32°F). Be prepared for a wide range of temperatures when planning your travel to Rock Springs during this month.

May Weather in Rock Springs: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Rock Springs, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rock Springs, May typically has an average temperature of 16°C (61°F), with highs reaching up to 31°C (87°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec313543536173757467544333
Data source: Temperature data for Rock Springs 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 Rock Springs

In Rock Springs in May, the precipitation amount is 15 mm (0.6 in) over the course of 3 days.

May Precipitation Trends in Rock Springs

The chart displays monthly precipitation patterns in Rock Springs, 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 Rock Springs, May typically receives around 15 mm (0.6 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec27313215165381225211424
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Rock Springs

In Rock Springs in May, humidity is 48%. With an average temperature of 16°C (61°F), this humidity feels like a comfortable blanket wrapping around you, making it a pleasant time for traveling and exploring new sights without the discomfort of excessive heat or stickiness.

May Average Humidity in Rock Springs

This chart illustrates the average monthly humidity levels in Rock Springs, 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 Rock Springs is approximately 48%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%83%71%61%48%36%37%46%62%74%82%82%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Rock Springs

In Rock Springs 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 Rock Springs.

Maximum UV Index Levels in Rock Springs for May

The chart shows the monthly maximum UV Index (UVI) for Rock Springs 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 Rock Springs typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479111213131211864
Data source: Rock Springs 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 Rock Springs Compares to Other Months

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

This table compares monthly weather conditions in Rock Springs, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)27 mm (1.1 inches)81%moderate
February Weather2°C (35°F)31 mm (1.2 inches)83%high
March Weather6°C (43°F)32 mm (1.3 inches)71%very high
April Weather12°C (53°F)15 mm (0.6 inches)61%extreme
May Weather16°C (61°F)15 mm (0.6 inches)48%extreme
June Weather23°C (73°F)5 mm (0.2 inches)36%extreme
July Weather24°C (75°F)38 mm (1.5 inches)37%extreme
August Weather23°C (74°F)12 mm (0.5 inches)46%extreme
September Weather19°C (67°F)25 mm (1.0 inches)62%extreme
October Weather12°C (54°F)21 mm (0.8 inches)74%very high
November Weather6°C (44°F)14 mm (0.5 inches)82%high
December Weather1°C (33°F)24 mm (1.0 inches)82%moderate

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