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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 is a pleasant 12°C (53°F). Daytime highs can reach up to 27°C (80°F), while nighttime lows can drop to a chilly -6°C (21°F). Expect about 15 mm (0.6 in) of precipitation spread over 4 days, contributing to an average humidity of 61%. Enjoy the diverse weather as you explore this vibrant destination!

April Temperature in Rock Springs

In April in Rock Springs, the average temperature is 12°C (53°F), with maximums reaching up to 27°C (80°F) and minimums dropping as low as -6°C (21°F). Therefore, travelers should be prepared for a wide range of temperatures during their visit.

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 12°C (53°F), with highs reaching up to 27°C (80°F) and lows dropping to around -6°C (21°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.

April Precipitation in Rock Springs

In Rock Springs in April, the precipitation amount is 15 mm (0.6 in) occurring over the course of 4 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 15 mm (0.6 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec27313215165381225211424
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 61%. With an average temperature of 12°C (53°F), this humidity feels like a brisk, refreshing breeze that invigorates your spirit, but can also leave you feeling slightly damp and chilled; perfect for exploring under layers while enjoying the vibrant local scenery.

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 61%, 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 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 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 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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479111213131211864
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-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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