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Monthly climate in Oni, Georgia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Oni features a humid continental climate (Dfb). Temperatures typically range between -3 °C (27 °F) and 19 °C (66 °F) through the year, but rarely can drop to -23 °C (-9 °F) or can rise to as high as 31 °C (89 °F). The average annual precipitation amounts to about 1164 mm (45.8 inches) and receives 150 rainy days on the 1 mm (0.04 inches) threshold annually. Oni enjoys an average of 3737 hours of sunshine throughout the year, and daylight varies from 9 hours 5 minutes to 15 hours 14 minutes per day.

Monthly average temperatures in Oni, Georgia

The warmest months in Oni are June, July and August, with daily mean temperatures ranging from 16 to 19 °C (62 - 66 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -3 to -1 °C (27 - 31 °F) throughout the day. On average each year, Oni experiences 27 days above 25 °C (77.0 °F) and 128 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Oni. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum8°C
(47°F)		11°C
(52°F)		15°C
(59°F)		20°C
(68°F)		26°C
(79°F)		29°C
(84°F)		31°C
(89°F)		31°C
(88°F)		28°C
(83°F)		21°C
(70°F)		18°C
(64°F)		9°C
(49°F)
Mean maximum6°C
(42°F)		9°C
(48°F)		12°C
(53°F)		17°C
(63°F)		23°C
(74°F)		26°C
(80°F)		30°C
(85°F)		29°C
(85°F)		26°C
(78°F)		20°C
(69°F)		15°C
(60°F)		8°C
(47°F)
Average high0°C
(33°F)		1°C
(35°F)		5°C
(40°F)		11°C
(51°F)		16°C
(60°F)		21°C
(71°F)		23°C
(75°F)		24°C
(76°F)		20°C
(68°F)		14°C
(58°F)		7°C
(45°F)		3°C
(38°F)
Daily mean-3°C
(27°F)		-2°C
(28°F)		1°C
(34°F)		6°C
(43°F)		11°C
(52°F)		16°C
(62°F)		19°C
(66°F)		19°C
(66°F)		15°C
(58°F)		9°C
(48°F)		3°C
(37°F)		-1°C
(31°F)
Average low-6°C
(21°F)		-6°C
(22°F)		-3°C
(28°F)		2°C
(35°F)		7°C
(44°F)		12°C
(53°F)		14°C
(58°F)		14°C
(58°F)		10°C
(50°F)		4°C
(40°F)		-1°C
(31°F)		-4°C
(26°F)
Mean minimum-14°C
(6°F)		-15°C
(5°F)		-10°C
(15°F)		-4°C
(25°F)		1°C
(35°F)		8°C
(47°F)		10°C
(50°F)		11°C
(52°F)		4°C
(39°F)		-2°C
(29°F)		-8°C
(17°F)		-12°C
(11°F)
Minimum-18°C
(-1°F)		-23°C
(-9°F)		-15°C
(6°F)		-7°C
(20°F)		-2°C
(29°F)		5°C
(42°F)		6°C
(43°F)		9°C
(48°F)		1°C
(33°F)		-8°C
(18°F)		-15°C
(5°F)		-19°C
(-2°F)

Compare climate in Oni with other places

Compare temperature, precipitation, sunshine, UV index in Oni, Georgia with other places around the world.

Monthly average precipitation in Oni, Georgia

Oni usually has the most precipitation in February, March and April, with an average of 15 rainy days and 125 mm (4.9 inches) of precipitation per month. The driest months in Oni are January, June and August. On average, 72 mm (2.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Oni. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)82 (3.2)123 (4.9)134 (5.3)117 (4.6)114 (4.5)81 (3.2)88 (3.5)52 (2.0)90 (3.6)98 (3.9)86 (3.4)99 (3.9)
Average precipitation days (≥ 1 mm)1214171617121381091111

Monthly sunshine hours in Oni, Georgia

The sunniest months in Oni are June, July and August, when the sun shines an average of 13 hours 6 minutes a day. Least sunny months in Oni: January, February and December receive an average of 7 hours 18 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Oni. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours187246291320369398413393334301250229
Mean daily daylight hours9h 26m10h 32m11h 57m13h 23m14h 37m15h 14m14h 55m13h 50m12h 26m11h 0m9h 45m9h 5m

Solar UV radiation in Oni, Georgia

Oni experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure. January, November and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Oni UV Index data.

Average daily maximum UV levels by month for Oni. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)3578101111108642