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April Weather in Fossil, United States

Last updated: June 24, 2025

In April, the average temperature in Fossil, United States hovers around 9°C (48°F). However, be prepared for a range: temperatures can dip to a chilly -4°C (25°F) or soar to a warm 29°C (84°F). Expect about 51 mm (2.0 in) of precipitation spread across 11 days, with an average humidity level of 85%. Stay ready for all weather conditions!

April Temperature in Fossil

In April in Fossil, the average temperature is 9°C (48°F), with maximums reaching 29°C (84°F) and minimums dropping as low as -4°C (25°F). Be prepared for a wide range of temperatures and pack accordingly for your trip!

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

The chart illustrates April temperature patterns in Fossil, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fossil, April typically has an average temperature of 9°C (48°F), with highs reaching up to 29°C (84°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec333441485765747363504134
Data source: Temperature data for Fossil 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 Fossil

In Fossil in April, the precipitation amount is 51 mm (2.0 in) spread over 11 days.

April Precipitation Trends in Fossil

The chart displays monthly precipitation patterns in Fossil, 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 Fossil, April typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec5168515133171721355254
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Fossil

In Fossil in April humidity is 85%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill enveloping you, making outdoor activities less enjoyable and requiring extra layers to stay warm and comfortable while traveling.

April Average Humidity in Fossil

This chart illustrates the average monthly humidity levels in Fossil, 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 Fossil is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%87%86%85%80%82%79%63%59%78%88%88%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Fossil

In Fossil in April, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Fossil.

Maximum UV Index Levels in Fossil for April

The chart shows the monthly maximum UV Index (UVI) for Fossil 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 Fossil typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101098532
Data source: Fossil 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 Fossil Compares to Other Months

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

This table compares monthly weather conditions in Fossil, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)51 mm (2.0 inches)86%low
February Weather1°C (35°F)68 mm (2.7 inches)87%moderate
March Weather5°C (41°F)51 mm (2.0 inches)86%high
April Weather9°C (48°F)51 mm (2.0 inches)85%high
May Weather14°C (57°F)33 mm (1.3 inches)80%very high
June Weather19°C (66°F)17 mm (0.7 inches)82%very high
July Weather23°C (74°F)1 mm (0.0 inches)78%very high
August Weather23°C (74°F)7 mm (0.3 inches)62%very high
September Weather17°C (63°F)21 mm (0.8 inches)59%very high
October Weather10°C (50°F)35 mm (1.4 inches)78%moderate
November Weather5°C (41°F)52 mm (2.0 inches)88%moderate
December Weather1°C (34°F)54 mm (2.1 inches)88%low

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