Washington vs Atlanta weather
July highs: 90°F in Washington, 90°F in Atlanta. January highs: 45°F and 54°F (Atlanta is 9°F warmer). Washington has about 118 wet days a year, Atlanta about 116. Muggy days: about 67 a year in Washington, about 91 in Atlanta. Snow: 13.7 in a year in Washington, 2.2 in in Atlanta.
Washington, DC
Best months: April, May, October
Atlanta, GA
Best months: April
Which city for what
- Milder winters: Atlanta (January high 54°F vs January high 45°F)
- Less humid: Washington (67 muggy days vs 91 muggy days)
- Less snow: Atlanta (2.2 in vs 13.7 in)
- Longer growing season: Atlanta (252 frost-free days vs 241 frost-free days)
- More comfortable days: Atlanta (96 a year vs 78 a year)
Listed only where the difference is at least 3°F in highs, 10 days a year or 3 in of snow.
Season by season
| Season | Avg high Washington | Avg high Atlanta | Wet days Washington | Wet days Atlanta |
|---|---|---|---|---|
| Winter (Dec-Feb) | 47°F | 56°F | 29 | 32 |
| Spring (Mar-May) | 67°F | 74°F | 33 | 29 |
| Summer (Jun-Aug) | 88°F | 89°F | 30 | 33 |
| Fall (Sep-Nov) | 69°F | 74°F | 25 | 22 |
Side by side over a year
| Washington | Atlanta | |
|---|---|---|
| Hot days (90°F+) | 40 | 47 |
| Freezing nights | 60 | 36 |
| Muggy days | 67 | 91 |
| Comfortable days | 78 | 96 |
| Precipitation | 41.8 in | 50.4 in |
| Snowfall | 13.7 in | 2.2 in |
| Frost dates | last Mar 24, first Nov 18 | last Mar 15, first Nov 20 |
| Daylight in June / December | 14.8 h / 9.5 h | 14.4 h / 9.9 h |
| Best months | April, May, October | April |
Day counts from each city's daily records, 1991-2020. Comfortable days: highs 65-80°F and dew point under 60°F.
Month by month
| Month | High Washington | High Atlanta | Wet days Washington | Wet days Atlanta |
|---|---|---|---|---|
| January | 45°F | 54°F | 10 | 11 |
| February | 48°F | 58°F | 9 | 10 |
| March | 57°F | 66°F | 11 | 11 |
| April | 68°F | 74°F | 11 | 9 |
| May | 77°F | 81°F | 12 | 9 |
| June | 85°F | 87°F | 11 | 11 |
| July | 90°F | 90°F | 11 | 12 |
| August | 88°F | 89°F | 9 | 10 |
| September | 81°F | 84°F | 9 | 7 |
| October | 69°F | 74°F | 8 | 7 |
| November | 58°F | 64°F | 8 | 8 |
| December | 49°F | 56°F | 10 | 11 |
Both charts use the same temperature scale.
Where the numbers come from
- Washington, DC: temperature from Washington Reagan Airport (USW00013743), 3.2 mi S of the city center; precipitation from Washington Reagan Airport (USW00013743). NOAA 1991-2020 normals and daily records.
- Atlanta, GA: temperature from Atlanta Hartsfield Intl Airport (USW00013874), 8.8 mi SSW of the city center; precipitation from Atlanta Hartsfield Intl Airport (USW00013874). NOAA 1991-2020 normals and daily records.
Every station for each city, including humidity and frost, is listed on the city page. Methodology.