nomadseason

April Weather in Grantsville, United States

Last updated: June 24, 2025

In April, the average temperature in Grantsville, United States hovers around 9°C (49°F). Expect a wide range of temperatures, with minimums dipping to -7°C (19°F) and maximums rising up to 27°C (81°F). You'll also need to prepare for a fair amount of rain, as 137 mm (5.4 in) of precipitation is spread over 16 days, and the air tends to feel quite humid with an average humidity of 84%.

April Temperature in Grantsville

In April in Grantsville, the average temperature is 9°C (49°F). The maximum can reach 27°C (81°F) and the minimum can be as low as -7°C (19°F). Be prepared for a wide range of temperatures when traveling, as it can be quite warm during the day and chilly at night.

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

The chart illustrates April temperature patterns in Grantsville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grantsville, April typically has an average temperature of 9°C (49°F), with highs reaching up to 27°C (81°F) and lows dropping to around -7°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec283339495966716964543934
Data source: Temperature data for Grantsville generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Grantsville

In Grantsville in April, the precipitation amount is 137 mm (5.4 in) over the course of 16 days.

April Precipitation Trends in Grantsville

The chart displays monthly precipitation patterns in Grantsville, 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 Grantsville, April typically receives around 137 mm (5.4 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec881321151371551501059911911585121
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Grantsville

In Grantsville in April, humidity is 84%. With an average temperature of 9°C (49°F), this humidity feels like a chilly embrace, making travel uncomfortable as the dampness seeps into your clothes and lingers in the air, leaving you feeling cool yet clammy.

April Average Humidity in Grantsville

This chart illustrates the average monthly humidity levels in Grantsville, 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 Grantsville is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%84%78%79%70%59%68%80%87%85%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Grantsville

In Grantsville 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 Grantsville.

Maximum UV Index Levels in Grantsville for April

The chart shows the monthly maximum UV Index (UVI) for Grantsville 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 Grantsville typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35710101010108753
Data source: Grantsville 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 Grantsville Compares to Other Months

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

This table compares monthly weather conditions in Grantsville, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)88 mm (3.5 inches)86%moderate
February Weather1°C (33°F)132 mm (5.2 inches)86%moderate
March Weather4°C (39°F)115 mm (4.5 inches)86%high
April Weather9°C (49°F)137 mm (5.4 inches)84%very high
May Weather15°C (59°F)155 mm (6.1 inches)78%very high
June Weather19°C (67°F)150 mm (5.9 inches)79%very high
July Weather22°C (71°F)105 mm (4.1 inches)70%very high
August Weather21°C (70°F)99 mm (3.9 inches)59%very high
September Weather18°C (64°F)119 mm (4.7 inches)68%very high
October Weather12°C (54°F)115 mm (4.5 inches)80%high
November Weather4°C (40°F)85 mm (3.3 inches)86%moderate
December Weather1°C (34°F)121 mm (4.8 inches)85%moderate

Compare Grantsville's Climate with Cities Worldwide