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Monthly climate in Arronches, Portugal

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Arronches features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 8 °C (47 °F) and 26 °C (79 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 44 °C (111 °F). The average annual precipitation amounts to about 483 mm (19.0 inches) and receives 68 rainy days on the 1 mm (0.04 inches) threshold annually. Arronches enjoys an average of 3770 hours of sunshine throughout the year, and daylight varies from 9 hours 28 minutes to 14 hours 50 minutes per day.

Monthly average temperatures in Arronches, Portugal

The warmest months in Arronches are July, August and September, with daily mean temperatures ranging from 23 to 26 °C (74 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 8 to 11 °C (47 - 52 °F) throughout the day. On average each year, Arronches experiences 125 days above 25 °C (77.0 °F) and 4 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Arronches. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum20°C
(68°F)		23°C
(73°F)		27°C
(80°F)		29°C
(84°F)		35°C
(95°F)		41°C
(107°F)		42°C
(108°F)		44°C
(111°F)		37°C
(99°F)		34°C
(94°F)		25°C
(77°F)		19°C
(67°F)
Mean maximum18°C
(64°F)		21°C
(70°F)		24°C
(76°F)		27°C
(82°F)		33°C
(91°F)		36°C
(97°F)		39°C
(103°F)		40°C
(105°F)		36°C
(97°F)		32°C
(89°F)		22°C
(72°F)		18°C
(65°F)
Average high13°C
(56°F)		16°C
(61°F)		17°C
(64°F)		20°C
(68°F)		26°C
(78°F)		29°C
(84°F)		33°C
(91°F)		34°C
(93°F)		30°C
(86°F)		25°C
(77°F)		17°C
(63°F)		14°C
(58°F)
Daily mean8°C
(47°F)		11°C
(52°F)		12°C
(54°F)		15°C
(58°F)		19°C
(67°F)		22°C
(72°F)		25°C
(77°F)		26°C
(79°F)		23°C
(74°F)		18°C
(65°F)		13°C
(55°F)		10°C
(51°F)
Average low4°C
(40°F)		7°C
(44°F)		8°C
(46°F)		10°C
(50°F)		13°C
(55°F)		15°C
(60°F)		17°C
(64°F)		18°C
(65°F)		17°C
(62°F)		13°C
(55°F)		9°C
(48°F)		7°C
(44°F)
Mean minimum-1°C
(31°F)		2°C
(36°F)		3°C
(38°F)		5°C
(41°F)		7°C
(45°F)		11°C
(52°F)		13°C
(55°F)		14°C
(57°F)		12°C
(54°F)		7°C
(45°F)		3°C
(39°F)		1°C
(35°F)
Minimum-3°C
(27°F)		-1°C
(31°F)		0°C
(32°F)		3°C
(38°F)		5°C
(41°F)		9°C
(48°F)		12°C
(53°F)		13°C
(56°F)		10°C
(50°F)		4°C
(40°F)		2°C
(36°F)		-2°C
(29°F)

Compare climate in Arronches with other places

Compare temperature, precipitation, sunshine, UV index in Arronches, Portugal with other places around the world.

Monthly average precipitation in Arronches, Portugal

Arronches usually has the most precipitation in March, April and November, with an average of 9 rainy days and 74 mm (2.9 inches) of precipitation per month. The driest months in Arronches are June, July and August. On average, 6 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Arronches. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)30 (1.2)44 (1.7)81 (3.2)74 (2.9)34 (1.3)11 (0.4)3 (0.1)4 (0.2)27 (1.0)46 (1.8)67 (2.6)61 (2.4)
Average precipitation days (≥ 1 mm)57712541135108

Monthly sunshine hours in Arronches, Portugal

The sunniest months in Arronches are June, July and August, when the sun shines an average of 13 hours 28 minutes a day. Least sunny months in Arronches: January, February and December receive an average of 6 hours 41 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Arronches. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours176221290340401405431403349316223209
Mean daily daylight hours9h 46m10h 44m11h 58m13h 14m14h 18m14h 50m14h 33m13h 36m12h 23m11h 8m10h 2m9h 28m

Solar UV radiation in Arronches, Portugal

Arronches 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 Arronches UV Index data.

Average daily maximum UV levels by month for Arronches. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)3469101110108643