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Monthly climate in Hartstown, Leinster, Ireland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Hartstown features a oceanic climate (Cfb).Temperatures typically range between 6 °C (43 °F) and 16 °C (62 °F) through the year, but rarely can drop to -5 °C (24 °F) or can rise to as high as 28 °C (83 °F).The average annual precipitation amounts to about 851 mm (33.5 inches) and receives 157 rainy days on the 1 mm (0.04 inches) threshold annually.Hartstown enjoys an average of 2914 hours of sunshine throughout the year, and daylight varies from 7 hours 32 minutes to 16 hours 55 minutes per day.

Monthly average temperatures in Hartstown, Leinster, Ireland §

The warmest months in Hartstown are June, July and August, with daily mean temperatures ranging from 15 to 16 °C (59 - 62 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 7 °C (43 - 44 °F) throughout the day. On average each year, Hartstown experiences 2 days above 25 °C (77.0 °F) and 9 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Hartstown, Leinster, 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
(58°F)		 16°C
(61°F)		 17°C
(63°F)		 21°C
(70°F)		 24°C
(75°F)		 27°C
(81°F)		 28°C
(83°F)		 24°C
(75°F)		 23°C
(74°F)		 20°C
(68°F)		 15°C
(60°F)		 13°C
(56°F)
Mean maximum 12°C
(55°F)		 13°C
(56°F)		 15°C
(60°F)		 18°C
(65°F)		 21°C
(71°F)		 23°C
(73°F)		 25°C
(77°F)		 23°C
(73°F)		 21°C
(71°F)		 18°C
(64°F)		 14°C
(58°F)		 13°C
(56°F)
Average high 8°C
(47°F)		 9°C
(48°F)		 10°C
(51°F)		 12°C
(54°F)		 15°C
(60°F)		 18°C
(65°F)		 20°C
(68°F)		 19°C
(66°F)		 17°C
(63°F)		 14°C
(57°F)		 10°C
(51°F)		 9°C
(48°F)
Daily mean 6°C
(43°F)		 6°C
(44°F)		 7°C
(45°F)		 9°C
(48°F)		 12°C
(53°F)		 15°C
(59°F)		 16°C
(62°F)		 16°C
(60°F)		 14°C
(57°F)		 11°C
(52°F)		 8°C
(47°F)		 7°C
(44°F)
Average low 4°C
(39°F)		 4°C
(39°F)		 4°C
(40°F)		 5°C
(42°F)		 8°C
(47°F)		 11°C
(52°F)		 13°C
(56°F)		 13°C
(55°F)		 11°C
(51°F)		 8°C
(47°F)		 6°C
(43°F)		 4°C
(40°F)
Mean minimum -2°C
(29°F)		 -1°C
(31°F)		 -1°C
(31°F)		 0°C
(32°F)		 2°C
(35°F)		 6°C
(44°F)		 9°C
(48°F)		 8°C
(47°F)		 5°C
(42°F)		 3°C
(37°F)		 0°C
(33°F)		 -0°C
(32°F)
Minimum -5°C
(24°F)		 -3°C
(27°F)		 -4°C
(24°F)		 -2°C
(28°F)		 -1°C
(31°F)		 6°C
(42°F)		 7°C
(45°F)		 7°C
(45°F)		 2°C
(37°F)		 0°C
(33°F)		 -2°C
(29°F)		 -3°C
(27°F)

Compare climate in Hartstown with other places

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

Monthly average precipitation in Hartstown, Leinster, Ireland §

Hartstown usually has the most precipitation in August, November and December, with an average of 14 rainy days and 87 mm (3.4 inches) of precipitation per month.The driest months in Hartstown are January, April and May. On average, 53 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Hartstown, Leinster, 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) 50 (2.0) 74 (2.9) 74 (2.9) 45 (1.8) 64 (2.5) 70 (2.8) 71 (2.8) 94 (3.7) 67 (2.6) 75 (3.0) 84 (3.3) 83 (3.3)
Average precipitation days (≥ 1 mm) 10 14 16 10 12 13 12 17 13 13 13 14

Monthly sunshine hours in Hartstown, Leinster, Ireland §

The sunniest months in Hartstown are May, June and July, when the sun shines an average of 12 hours 24 minutes a day.Least sunny months in Hartstown: January, November and December receive an average of 3 hours 6 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Hartstown, Leinster, 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 80 145 189 308 385 378 377 329 288 226 114 90
Mean daily daylight hours 8h 6m 9h 48m 11h 54m 14h 2m 15h 55m 16h 55m 16h 23m 14h 41m 12h 37m 10h 30m 8h 35m 7h 32m

Solar UV radiation in Hartstown, Leinster, Ireland §

Hartstown 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 Hartstown UV Index data.

Average daily maximum UV levels by month for Hartstown, Leinster, 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