April Weather in Grantsville, United States

Last updated: June 24, 2025

In Grantsville, United States, the average temperature in April hovers around 13°C (55°F), with a notable range where the minimum can dip to -4°C (25°F), while the maximum climbs to a warm 30°C (86°F). Expect to experience 142 mm (5.6 in) of precipitation over approximately 14 days, contributing to a high average humidity of 86%.

April Temperature in Grantsville

In April in Grantsville, the average temperature is 13°C (55°F), with maximums reaching up to 30°C (86°F) and minimums dipping as low as -4°C (25°F). Travelers should pack for a wide range of temperatures, ensuring they are prepared for both warm days and chilly nights.

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 13°C (55°F), with highs reaching up to 30°C (86°F) and lows dropping to around -4°C (25°F).

Data source: Temperature data for Grantsville generated using information from the Copernicus Climate Change Service.

April Precipitation in Grantsville

In Grantsville in April, the precipitation amount is 142 mm (5.6 in) occurring over a span of 14 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 142 mm (5.6 inches) of precipitation spread over approximately 14 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

April Humidity in Grantsville

In Grantsville in April humidity is 86%. With an average temperature of 13°C (55°F), this humidity feels like a damp blanket clinging to your skin, making travel quite uncomfortable and urging you to seek cooler, dryer spots.

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 86%, offering insight into how humid the weather typically is during this month.

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 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 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 9, which falls under the very high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (35°F)	98 mm (3.9 inches)	88%	moderate
February Weather	4°C (40°F)	142 mm (5.6 inches)	88%	moderate
March Weather	8°C (46°F)	115 mm (4.5 inches)	88%	high
April Weather	13°C (55°F)	142 mm (5.6 inches)	86%	very high
May Weather	18°C (65°F)	160 mm (6.3 inches)	82%	very high
June Weather	22°C (72°F)	172 mm (6.8 inches)	84%	very high
July Weather	24°C (76°F)	129 mm (5.1 inches)	82%	very high
August Weather	23°C (74°F)	120 mm (4.7 inches)	73%	very high
September Weather	21°C (70°F)	106 mm (4.2 inches)	73%	very high
October Weather	15°C (60°F)	116 mm (4.6 inches)	81%	high
November Weather	7°C (45°F)	81 mm (3.2 inches)	89%	moderate
December Weather	4°C (40°F)	122 mm (4.8 inches)	86%	moderate