Vienna, MD Weather
Vienna, MD climate is warm during summer when temperatures tend to be in the 70's and very cold during winter when temperatures tend to be in the 30's.
The warmest month of the year is July with an average maximum temperature of 88.70 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 27.10 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 18 degrees Fahrenheit.
The annual average precipitation at Vienna is 43.00 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is August with an average rainfall of 4.37 Inches.
Weather Data
Current Conditions
|
Fair, 56°F | Humidity: 81% | Dewpoint: 50°F |
| Wind Speed: CALM | Heat Index: 56°F | ||
| Barometer: 30.32 in. | Wind Chill: 56°F |
Weather Forecast
 | Tonight: Clear. Lows in the mid 40s. Light and variable winds... Becoming southeast around 5 mph after midnight. | |
| Lo: 45°F | ||
 | Hi: 69°F | Monday: Mostly sunny. Highs in the upper 60s. South winds 5 to 10 mph. |
| Lo: 49°F | ||
 | Hi: 69°F | Tuesday: Partly sunny in the morning...Then becoming mostly cloudy. Highs in the upper 60s. South winds around 5 mph...Becoming northeast in the afternoon. |
| Lo: 45°F | ||
 | Hi: 55°F | Veterans day: Mostly cloudy with a 40 percent chance of rain. Windy. Highs in the mid 50s. Lows in the mid 40s. |
| Lo: 45°F | ||
 | Hi: 55°F | Thursday: Partly sunny and windy. Highs in the mid 50s. |
| Lo: 41°F | ||
| Hi: 59°F | Friday: Mostly clear and breezy. Lows in the lower 40s. Highs in the upper 50s. |
| Lo: 45°F | ||
 | Hi: 65°F | Saturday: Partly cloudy. Lows in the mid 40s. Highs in the mid 60s. |
| Lo: 45°F |
Moon, Sunrise and Sunset
 |
Moon Phase: Waning Gibbous Moon | Civil Twilight: 6:08 AM EST |
Sunrise: 6:36 AM EST |
| Sunset: 4:56 PM EST |
Civil Twilight: 5:24 PM EST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 45.1 | 47.5 | 56.8 | 66.9 | 75.9 | 84.1 | 88.7 | 86.6 | 80.8 | 70.1 | 59.5 | 49.8 | 67.7 |
| Mean °F | 36.1 | 38.2 | 46.4 | 55.6 | 64.9 | 73.3 | 78.1 | 76.1 | 69.9 | 58.8 | 49.3 | 40.5 | 57.3 |
| Min °F | 27.1 | 28.8 | 36.0 | 44.3 | 53.8 | 62.5 | 67.4 | 65.6 | 58.9 | 47.4 | 39.0 | 31.1 | 46.8 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 3.74 | 3.33 | 4.07 | 3.33 | 3.52 | 3.72 | 3.86 | 4.37 | 3.52 | 3.14 | 3.12 | 3.28 | 43.00 |
