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April Weather in Rock Springs, United States

Last updated: June 24, 2025

In April, the average temperature in Rock Springs, United States hovers around 5°C (41°F). Expect a chilly range, with minimums dipping down to -14°C (6°F) and highs reaching up to 23°C (74°F). During this month, precipitation amounts to 39 mm (1.6 in) over 9 days, contributing to an average humidity of 73%.

April Temperature in Rock Springs

In April in Rock Springs, the average temperature is 5°C (41°F), with maximums reaching up to 23°C (74°F) and minimums dropping as low as -14°C (6°F). This climate makes it essential for travelers to pack layers to stay comfortable throughout the day.

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

The chart illustrates April 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, April typically has an average temperature of 5°C (41°F), with highs reaching up to 23°C (74°F) and lows dropping to around -14°C (6°F).
JanFebMarAprMayJunJulAugSepOctNovDec182131415165737161433321
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.

April Precipitation in Rock Springs

In Rock Springs in April, the total precipitation amount is 39 mm (1.6 in) spread over a duration of 9 days.

April Precipitation Trends in Rock Springs

The chart displays monthly precipitation patterns in Rock Springs, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Rock Springs, April typically receives around 39 mm (1.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec25264039471691020242424
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Rock Springs

In Rock Springs in April, humidity is 73%. With an average temperature of 5°C (41°F), this humidity makes traveling feel quite chilly and damp, which can be uncomfortable for long periods outdoors.

April Average Humidity in Rock Springs

This chart illustrates the average monthly humidity levels in Rock Springs, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Rock Springs is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%93%85%73%64%57%45%41%50%70%84%90%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Rock Springs

In Rock Springs in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Rock Springs.

Maximum UV Index Levels in Rock Springs for April

The chart shows the monthly maximum UV Index (UVI) for Rock Springs in April, 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 April, the maximum UV index in Rock Springs typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46710111212119753
Data source: Rock Springs April 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 April 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 April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (19°F)25 mm (1.0 inches)92%moderate
February Weather-6°C (21°F)26 mm (1.0 inches)93%high
March Weather-1°C (31°F)40 mm (1.6 inches)85%high
April Weather5°C (41°F)39 mm (1.6 inches)73%very high
May Weather11°C (52°F)47 mm (1.9 inches)64%extreme
June Weather18°C (66°F)16 mm (0.6 inches)57%extreme
July Weather23°C (73°F)9 mm (0.4 inches)45%extreme
August Weather21°C (71°F)10 mm (0.4 inches)41%extreme
September Weather16°C (61°F)20 mm (0.8 inches)50%very high
October Weather6°C (43°F)24 mm (0.9 inches)70%high
November Weather1°C (34°F)24 mm (0.9 inches)84%moderate
December Weather-6°C (22°F)24 mm (0.9 inches)90%moderate

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