April Weather in St. Mary's

Last updated: March 2, 2024

The weather in St. Mary's, United States, during April is characterized by an average temperature of -1°C (30°F). Highs can soar to 9°C (48°F), while lows may dip to -18°C (-1°F). Typically, the humidity level in St. Mary's throughout April hovers around 78%.

-18°C (-1°F)

Minimum temperature

-1°C (30°F)

Average temperature

9°C (48°F)

Maximum temperature

78%

Humidity

Precipitation and Sunshine hours

In April, St. Mary's averages 47 mm (1.8 inches) of rainfall, typically over the course of 8 rainy days. The month enjoys an average of 14 hours 55 minutes of daylight, with the sun shining for approximately 7 hours 57 minutes each day. Additionally, there is a 25% probability of sunny days during this period.

47 mm (1.8 inches)

Precipitation

8 rainy days

Rainy days

7 hours 57 minutes

Sunshine hours

25%

Chance of sun

UV Index

In April, the UV Index in St. Mary's reaches a maximum of 4, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 14:00 and 16:00, during which unprotected skin may burn in as little as 30 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	1	1	2	3	3	4	4	4	3	2	2
Exposure	Low					Moderate						Low
Time to burn	45 min					30 min						45 min