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Monthly climate in Portumna, Connaught, Ireland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Portumna features a oceanic climate (Cfb).Temperatures typically range between 6 °C (43 °F) and 16 °C (60 °F) through the year, but rarely can drop to -6 °C (22 °F) or can rise to as high as 29 °C (85 °F).The average annual precipitation amounts to about 1032 mm (40.6 inches) and receives 175 rainy days on the 1 mm (0.04 inches) threshold annually.Portumna enjoys an average of 2679 hours of sunshine throughout the year, and daylight varies from 7 hours 37 minutes to 16 hours 50 minutes per day.

Monthly average temperatures in Portumna, Connaught, Ireland §

The warmest months in Portumna are June, July and August, with daily mean temperatures ranging from 14 to 16 °C (57 - 60 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 6 °C (43 - 44 °F) throughout the day. On average each year, Portumna experiences 2 days above 25 °C (77.0 °F) and 18 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Portumna, Connaught, Ireland.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 14°C
(57°F)		 15°C
(60°F)		 17°C
(63°F)		 21°C
(70°F)		 24°C
(76°F)		 29°C
(85°F)		 28°C
(83°F)		 24°C
(76°F)		 26°C
(79°F)		 20°C
(67°F)		 15°C
(60°F)		 14°C
(57°F)
Mean maximum 12°C
(54°F)		 13°C
(55°F)		 15°C
(59°F)		 18°C
(65°F)		 21°C
(71°F)		 22°C
(73°F)		 24°C
(76°F)		 23°C
(73°F)		 22°C
(71°F)		 17°C
(63°F)		 14°C
(58°F)		 13°C
(55°F)
Average high 8°C
(47°F)		 9°C
(48°F)		 10°C
(50°F)		 12°C
(54°F)		 15°C
(59°F)		 17°C
(64°F)		 19°C
(67°F)		 18°C
(65°F)		 16°C
(62°F)		 13°C
(56°F)		 10°C
(50°F)		 9°C
(48°F)
Daily mean 6°C
(43°F)		 6°C
(43°F)		 7°C
(44°F)		 9°C
(48°F)		 11°C
(53°F)		 14°C
(57°F)		 16°C
(60°F)		 15°C
(59°F)		 13°C
(56°F)		 10°C
(51°F)		 8°C
(46°F)		 6°C
(44°F)
Average low 3°C
(38°F)		 4°C
(39°F)		 3°C
(39°F)		 5°C
(42°F)		 8°C
(46°F)		 10°C
(51°F)		 12°C
(54°F)		 12°C
(54°F)		 10°C
(50°F)		 8°C
(46°F)		 5°C
(42°F)		 4°C
(40°F)
Mean minimum -3°C
(27°F)		 -1°C
(30°F)		 -1°C
(30°F)		 -1°C
(31°F)		 2°C
(35°F)		 6°C
(43°F)		 9°C
(48°F)		 7°C
(46°F)		 4°C
(40°F)		 3°C
(37°F)		 -0°C
(31°F)		 -1°C
(30°F)
Minimum -6°C
(22°F)		 -3°C
(27°F)		 -6°C
(22°F)		 -2°C
(28°F)		 -1°C
(31°F)		 5°C
(41°F)		 7°C
(44°F)		 6°C
(43°F)		 2°C
(36°F)		 0°C
(33°F)		 -2°C
(28°F)		 -6°C
(22°F)

Compare climate in Portumna with other places

Compare temperature, precipitation, sunshine, UV index in Portumna, Connaught, Ireland with other places around the world.

Monthly average precipitation in Portumna, Connaught, Ireland §

Portumna usually has the most precipitation in February, August and December, with an average of 17 rainy days and 111 mm (4.4 inches) of precipitation per month.The driest months in Portumna are January, April and May. On average, 63 mm (2.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Portumna, Connaught, Ireland.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 67 (2.6) 113 (4.4) 101 (4.0) 56 (2.2) 66 (2.6) 70 (2.8) 76 (3.0) 110 (4.3) 79 (3.1) 95 (3.7) 91 (3.6) 109 (4.3)
Average precipitation days (≥ 1 mm) 12 17 17 10 13 14 13 18 14 15 15 17

Monthly sunshine hours in Portumna, Connaught, Ireland §

The sunniest months in Portumna are May, June and July, when the sun shines an average of 11 hours 42 minutes a day.Least sunny months in Portumna: January, November and December receive an average of 2 hours 52 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Portumna, Connaught, Ireland.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 71 126 164 276 360 353 362 296 260 212 108 84
Mean daily daylight hours 8h 10m 9h 51m 11h 54m 14h 1m 15h 51m 16h 50m 16h 19m 14h 38m 12h 36m 10h 31m 8h 38m 7h 37m

Solar UV radiation in Portumna, Connaught, Ireland §

Portumna experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 7 - 8, which corresponds to the High / Very High category of sun exposure.January, February and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Portumna UV Index data.

Average daily maximum UV levels by month for Portumna, Connaught, Ireland.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 1 2 4 5 7 8 8 7 5 3 2 1