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Monthly climate in Nea Ionia, Greece

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Nea Ionia features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 8 °C (46 °F) and 26 °C (79 °F) through the year, but rarely can drop to -3 °C (26 °F) or can rise to as high as 35 °C (96 °F). The average annual precipitation amounts to about 931 mm (36.6 inches) and receives 89 rainy days on the 1 mm (0.04 inches) threshold annually. Nea Ionia enjoys an average of 3836 hours of sunshine throughout the year, and daylight varies from 9 hours 25 minutes to 14 hours 53 minutes per day.

Monthly average temperatures in Nea Ionia, Greece

The warmest months in Nea Ionia are July, August and September, with daily mean temperatures ranging from 23 to 26 °C (73 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 8 to 10 °C (46 - 51 °F) throughout the day. On average each year, Nea Ionia experiences 80 days above 25 °C (77.0 °F) and 2 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Nea Ionia. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum17°C
(64°F)		18°C
(64°F)		20°C
(69°F)		24°C
(76°F)		29°C
(84°F)		33°C
(92°F)		33°C
(92°F)		35°C
(96°F)		31°C
(89°F)		27°C
(80°F)		22°C
(72°F)		18°C
(66°F)
Mean maximum15°C
(59°F)		17°C
(62°F)		19°C
(67°F)		21°C
(71°F)		27°C
(80°F)		30°C
(86°F)		32°C
(90°F)		32°C
(90°F)		30°C
(86°F)		24°C
(75°F)		20°C
(69°F)		17°C
(63°F)
Average high10°C
(50°F)		12°C
(54°F)		14°C
(57°F)		16°C
(62°F)		21°C
(70°F)		25°C
(78°F)		28°C
(83°F)		28°C
(84°F)		25°C
(78°F)		20°C
(69°F)		16°C
(61°F)		13°C
(55°F)
Daily mean8°C
(46°F)		10°C
(50°F)		11°C
(52°F)		14°C
(57°F)		18°C
(65°F)		23°C
(73°F)		25°C
(78°F)		26°C
(79°F)		23°C
(73°F)		18°C
(64°F)		14°C
(58°F)		10°C
(51°F)
Average low5°C
(42°F)		7°C
(45°F)		8°C
(47°F)		11°C
(51°F)		15°C
(59°F)		19°C
(67°F)		22°C
(72°F)		23°C
(73°F)		20°C
(68°F)		15°C
(60°F)		12°C
(54°F)		8°C
(47°F)
Mean minimum-1°C
(31°F)		2°C
(37°F)		4°C
(39°F)		7°C
(45°F)		12°C
(54°F)		16°C
(61°F)		20°C
(68°F)		20°C
(69°F)		16°C
(60°F)		12°C
(54°F)		8°C
(47°F)		4°C
(40°F)
Minimum-3°C
(26°F)		-1°C
(31°F)		-0°C
(32°F)		4°C
(40°F)		11°C
(51°F)		14°C
(58°F)		18°C
(64°F)		18°C
(65°F)		13°C
(56°F)		10°C
(49°F)		5°C
(42°F)		2°C
(36°F)

Compare climate in Nea Ionia with other places

Compare temperature, precipitation, sunshine, UV index in Nea Ionia, Greece with other places around the world.

Monthly average precipitation in Nea Ionia, Greece

Nea Ionia usually has the most precipitation in January, February and November, with an average of 11 rainy days and 111 mm (4.4 inches) of precipitation per month. The driest months in Nea Ionia are May, June and August. On average, 35 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Nea Ionia. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)110 (4.3)107 (4.2)100 (3.9)71 (2.8)41 (1.6)42 (1.7)73 (2.9)22 (0.9)46 (1.8)105 (4.1)115 (4.5)98 (3.9)
Average precipitation days (≥ 1 mm)1110977533571210

Monthly sunshine hours in Nea Ionia, Greece

The sunniest months in Nea Ionia are May, June and July, when the sun shines an average of 13 hours 20 minutes a day. Least sunny months in Nea Ionia: January, February and December receive an average of 7 hours 14 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Nea Ionia. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours189231318342399403423395344303247237
Mean daily daylight hours9h 43m10h 42m11h 57m13h 15m14h 20m14h 53m14h 35m13h 38m12h 24m11h 7m10h 0m9h 25m

Solar UV radiation in Nea Ionia, Greece

Nea Ionia experiences the highest level of ultraviolet (UV) radiation in May, June 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, February and December are in the 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 Nea Ionia UV Index data.

Average daily maximum UV levels by month for Nea Ionia. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)3468101110108643