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April Weather in Hysham, United States

Last updated: June 24, 2025

In April, the average temperature in Hysham, United States hovers around 7°C (44°F), offering a chilly yet refreshing atmosphere. Temperatures can swing dramatically, with minimums plunging to -21°C (-5°F) and maximums soaring to 28°C (82°F). Expect 54 mm (2.1 in) of precipitation spread over approximately 10 days, contributing to an average humidity of 70%.

April Temperature in Hysham

In April in Hysham, the average temperature is 7°C (44°F). The maximum can reach 28°C (82°F), while the minimum can drop as low as -21°C (-5°F). Be sure to pack for both warm days and chilly nights when traveling to Hysham during this time!

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

The chart illustrates April temperature patterns in Hysham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hysham, April typically has an average temperature of 7°C (44°F), with highs reaching up to 28°C (82°F) and lows dropping to around -21°C (-5°F).
JanFebMarAprMayJunJulAugSepOctNovDec241934445668777463463628
Data source: Temperature data for Hysham 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 Hysham

In Hysham in April, the total precipitation amount is 54 mm (2.1 in) over the course of 10 days.

April Precipitation Trends in Hysham

The chart displays monthly precipitation patterns in Hysham, 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 Hysham, April typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec173430545158262143342324
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Hysham

In Hysham in April humidity is 70%. With an average temperature of 7°C (44°F), this humidity feels like a chilly dampness that seeps into your bones, making outdoor activities less enjoyable and encouraging travelers to seek shelter indoors or dress in layers for warmth.

April Average Humidity in Hysham

This chart illustrates the average monthly humidity levels in Hysham, 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 Hysham is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%83%76%70%76%78%78%73%67%68%77%84%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Hysham

In Hysham 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 Hysham.

Maximum UV Index Levels in Hysham for April

The chart shows the monthly maximum UV Index (UVI) for Hysham 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 Hysham typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24599101098532
Data source: Hysham 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 Hysham Compares to Other Months

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

This table compares monthly weather conditions in Hysham, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)17 mm (0.7 inches)80%low
February Weather-7°C (19°F)33 mm (1.3 inches)83%moderate
March Weather1°C (35°F)30 mm (1.2 inches)75%moderate
April Weather7°C (44°F)54 mm (2.1 inches)70%very high
May Weather13°C (57°F)51 mm (2.0 inches)76%very high
June Weather20°C (69°F)58 mm (2.3 inches)78%very high
July Weather25°C (77°F)26 mm (1.0 inches)78%very high
August Weather23°C (74°F)21 mm (0.8 inches)73%very high
September Weather17°C (63°F)43 mm (1.7 inches)67%very high
October Weather8°C (46°F)34 mm (1.3 inches)68%moderate
November Weather2°C (37°F)23 mm (0.9 inches)77%moderate
December Weather-2°C (29°F)24 mm (1.0 inches)84%low

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