April Weather in Grantsville

Last updated: March 2, 2024

The weather in Grantsville, United States, during April is characterized by an average temperature of 9°C (49°F). Highs can soar to 25°C (78°F), while lows may dip to -4°C (24°F). Typically, the humidity level in Grantsville throughout April hovers around 84%.

-4°C (24°F)

Minimum temperature

9°C (49°F)

Average temperature

25°C (78°F)

Maximum temperature

84%

Humidity

Precipitation and Sunshine hours

In April, Grantsville averages 137 mm (5.4 inches) of rainfall, typically over the course of 16 rainy days. The month enjoys an average of 13 hours 16 minutes of daylight, with the sun shining for approximately 8 hours 8 minutes each day. Additionally, there is a 39% probability of sunny days during this period.

137 mm (5.4 inches)

Precipitation

16 rainy days

Rainy days

8 hours 8 minutes

Sunshine hours

39%

Chance of sun

UV Index

In April, the UV Index in Grantsville reaches a maximum of 10, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 15 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 1 3 5 7 9 10 9 7 5 3 1 1
Exposure Low Moderate High VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 25 min 30 min 45 min

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