Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Savannah features a humid subtropical climate (Cfa).Temperatures typically range between 12 °C (53 °F) and 28 °C (82 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 34 °C (94 °F).The average annual precipitation amounts to about 1265 mm (49.8 inches) and receives 140 rainy days on the 1 mm (0.04 inches) threshold annually.Savannah enjoys an average of 3318 hours of sunshine throughout the year, and daylight varies from 10 hours 4 minutes to 14 hours 12 minutes per day.
The warmest months in Savannah are June, July and August, with daily mean temperatures ranging from 26 to 28 °C (79 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 12 to 14 °C (53 - 57 °F) throughout the day. On average each year, Savannah experiences 146 days above 25 °C (77.0 °F) and 1 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 24°C (76°F) | 24°C (76°F) | 26°C (80°F) | 30°C (86°F) | 33°C (92°F) | 33°C (92°F) | 34°C (94°F) | 34°C (93°F) | 33°C (92°F) | 31°C (88°F) | 28°C (82°F) | 23°C (73°F) |
Mean maximum | 22°C (72°F) | 23°C (73°F) | 25°C (78°F) | 27°C (81°F) | 30°C (87°F) | 32°C (90°F) | 33°C (92°F) | 33°C (91°F) | 32°C (90°F) | 30°C (86°F) | 26°C (78°F) | 22°C (72°F) |
Average high | 15°C (59°F) | 17°C (64°F) | 20°C (67°F) | 23°C (73°F) | 26°C (80°F) | 29°C (84°F) | 30°C (87°F) | 30°C (86°F) | 29°C (84°F) | 26°C (78°F) | 20°C (67°F) | 17°C (62°F) |
Daily mean | 12°C (53°F) | 14°C (57°F) | 16°C (61°F) | 19°C (67°F) | 23°C (74°F) | 26°C (79°F) | 28°C (82°F) | 27°C (82°F) | 26°C (79°F) | 23°C (73°F) | 16°C (61°F) | 13°C (56°F) |
Average low | 9°C (48°F) | 11°C (52°F) | 13°C (55°F) | 16°C (61°F) | 21°C (70°F) | 24°C (75°F) | 25°C (78°F) | 25°C (78°F) | 24°C (75°F) | 20°C (69°F) | 13°C (55°F) | 10°C (50°F) |
Mean minimum | 0°C (32°F) | 3°C (38°F) | 3°C (38°F) | 9°C (48°F) | 14°C (57°F) | 20°C (69°F) | 24°C (75°F) | 23°C (74°F) | 20°C (68°F) | 12°C (54°F) | 5°C (42°F) | 3°C (38°F) |
Minimum | -3°C (27°F) | 1°C (35°F) | 1°C (34°F) | 6°C (44°F) | 12°C (54°F) | 18°C (64°F) | 23°C (73°F) | 23°C (73°F) | 17°C (63°F) | 7°C (44°F) | 2°C (36°F) | -1°C (31°F) |
Compare temperature, precipitation, sunshine, UV index in Savannah, Georgia, United States with other places around the world.
Savannah usually has the most precipitation in July, August and September, with an average of 18 rainy days and 151 mm (5.9 inches) of precipitation per month.The driest months in Savannah are January, March and April. On average, 69 mm (2.7 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 62 (2.4) | 84 (3.3) | 66 (2.6) | 78 (3.1) | 93 (3.7) | 120 (4.7) | 154 (6.1) | 168 (6.6) | 131 (5.2) | 88 (3.5) | 91 (3.6) | 129 (5.1) |
Average precipitation days (≥ 1 mm) | 7 | 11 | 6 | 7 | 11 | 16 | 18 | 22 | 14 | 11 | 8 | 9 |
The sunniest months in Savannah are May, July and August, when the sun shines an average of 10 hours 35 minutes a day.Least sunny months in Savannah: January, February and December receive an average of 6 hours 40 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 185 | 205 | 279 | 300 | 330 | 310 | 342 | 311 | 298 | 289 | 247 | 216 |
Mean daily daylight hours | 10h 18m | 11h 2m | 12h 0m | 12h 58m | 13h 48m | 14h 12m | 13h 59m | 13h 15m | 12h 19m | 11h 20m | 10h 29m | 10h 4m |
Savannah experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 11 - 11, which corresponds to the Extreme category of sun exposure.January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Savannah UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 4 | 7 | 9 | 10 | 11 | 11 | 11 | 11 | 10 | 8 | 6 | 4 |