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April Weather in Riverton, United States

Last updated: June 24, 2025

In Riverton, United States, the average temperature in April hovers around 5°C (42°F). Expect a minimum plunge to -18°C (0°F) and a maximum rise to 25°C (77°F). During this month, the region experiences approximately 61 mm (2.4 in) of precipitation over 9 days, contributing to an average humidity of 72%. 🌧️

April Temperature in Riverton

In April in Riverton, the average temperature is 5°C (42°F). The maximum can reach 25°C (77°F), while the minimum can be as low as -18°C (0°F). Be prepared for a wide range of temperatures if you plan to travel during this time.

April Weather in Riverton: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Riverton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Riverton, April typically has an average temperature of 5°C (42°F), with highs reaching up to 25°C (77°F) and lows dropping to around -18°C (0°F).
JanFebMarAprMayJunJulAugSepOctNovDec212336415265737061433424
Data source: Temperature data for Riverton 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 Riverton

In Riverton in April, the precipitation amount is 61 mm (2.4 in) spread over 9 days.

April Precipitation Trends in Riverton

The chart displays monthly precipitation patterns in Riverton, 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 Riverton, April typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec152338618031212327311716
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Riverton

In Riverton in April humidity is 72%. With an average temperature of 5°C (42°F), this humidity feels like a damp, chilly fog wrapping around you, making outdoor activities less enjoyable and requiring travelers to dress warmly and prepare for a brisk atmosphere.

April Average Humidity in Riverton

This chart illustrates the average monthly humidity levels in Riverton, 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 Riverton is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%82%72%69%67%65%59%59%69%83%89%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Riverton

In Riverton in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Riverton.

Maximum UV Index Levels in Riverton for April

The chart shows the monthly maximum UV Index (UVI) for Riverton 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 Riverton typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109643
Data source: Riverton 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 Riverton Compares to Other Months

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

This table compares monthly weather conditions in Riverton, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)15 mm (0.6 inches)90%moderate
February Weather-5°C (23°F)23 mm (0.9 inches)89%moderate
March Weather2°C (36°F)38 mm (1.5 inches)82%high
April Weather5°C (42°F)61 mm (2.4 inches)72%very high
May Weather11°C (52°F)80 mm (3.2 inches)69%very high
June Weather18°C (65°F)30 mm (1.2 inches)67%extreme
July Weather23°C (73°F)21 mm (0.8 inches)65%extreme
August Weather21°C (70°F)23 mm (0.9 inches)59%very high
September Weather16°C (61°F)27 mm (1.1 inches)59%very high
October Weather6°C (43°F)31 mm (1.2 inches)69%high
November Weather1°C (35°F)17 mm (0.7 inches)83%moderate
December Weather-4°C (24°F)16 mm (0.6 inches)89%moderate

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