Grantsville, MD Weather
Grantsville, MD climate is mild during summer when temperatures tend to be in the 60's and very cold during winter when temperatures tend to be in the 20's.
The warmest month of the year is July with an average maximum temperature of 78.80 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 16.50 degrees Fahrenheit.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 21 degrees Fahrenheit, and fairly limited during winter with an average difference of 17 degrees Fahrenheit.
The annual average precipitation at Grantsville is 40.72 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 4.25 Inches.
Weather Data
Current Conditions
|
Fair, 39°F | Humidity: 60% | Dewpoint: 26°F |
| Wind Speed: S 5.8 MPH (5 KT) | Heat Index: 39°F | ||
| Barometer: 29.92 in. | Wind Chill: 35°F |
Weather Forecast
 | Hi: 61°F | Today: Sunny. Highs in the lower 60s. West winds 5 to 10 mph. |
| Lo: 35°F | ||
| Hi: 61°F | Saturday: Mostly sunny. Highs in the lower 60s. Southwest winds 5 to 10 mph. |
| Lo: 39°F | ||
 | Hi: 61°F | Sunday: Mostly cloudy with a 50 percent chance of showers. Highs in the lower 60s. South winds around 5 mph. |
| Lo: 45°F | ||
 | Hi: 49°F | Monday: Showers likely. Lows in the mid 40s. Highs in the upper 40s. Chance of rain 70 percent. |
| Lo: 31°F | ||
 | Hi: 45°F | Tuesday: A chance of snow showers in the morning. Partly sunny with a chance of rain showers. Highs in the mid 40s. Chance of precipitation 40 percent. |
| Lo: 31°F | ||
 | Hi: 55°F | Wednesday: Partly cloudy. Lows in the lower 30s. Highs in the mid 50s. |
| Lo: 31°F | ||
| Hi: 55°F | Wednesday: Partly cloudy. Lows in the lower 30s. Highs in the mid 50s. |
| Lo: 31°F |
Moon, Sunrise and Sunset
 |
Moon Phase: Waxing Crescent Moon | Civil Twilight: 6:54 AM EDT |
Sunrise: 7:21 AM EDT |
| Sunset: 7:27 PM EDT |
Civil Twilight: 7:54 PM EDT |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 32.4 | 36.2 | 45.0 | 56.6 | 66.7 | 74.7 | 78.8 | 77.3 | 70.4 | 59.2 | 47.5 | 37.1 | 56.8 |
| Mean °F | 24.5 | 27.3 | 35.3 | 45.9 | 56.2 | 64.2 | 68.5 | 67.2 | 60.3 | 49.3 | 39.1 | 29.5 | 47.3 |
| Min °F | 16.5 | 18.4 | 25.6 | 35.2 | 45.7 | 53.6 | 58.1 | 57.0 | 50.2 | 39.4 | 30.7 | 21.9 | 37.7 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 3.03 | 2.71 | 3.46 | 3.59 | 4.25 | 3.68 | 4.14 | 3.70 | 3.11 | 2.87 | 3.16 | 3.02 | 40.72 |
