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Monthly climate in Johnstown Bridge, Leinster, Ireland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Johnstown Bridge features a oceanic climate (Cfb).Temperatures typically range between 6 °C (42 °F) and 16 °C (61 °F) through the year, but rarely can drop to -6 °C (21 °F) or can rise to as high as 28 °C (83 °F).The average annual precipitation amounts to about 854 mm (33.6 inches) and receives 155 rainy days on the 1 mm (0.04 inches) threshold annually.Johnstown Bridge enjoys an average of 2718 hours of sunshine throughout the year, and daylight varies from 7 hours 33 minutes to 16 hours 54 minutes per day.

Monthly average temperatures in Johnstown Bridge, Leinster, Ireland §

The warmest months in Johnstown Bridge are June, July and August, with daily mean temperatures ranging from 15 to 16 °C (58 - 61 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 6 °C (42 - 44 °F) throughout the day. On average each year, Johnstown Bridge experiences 3 days above 25 °C (77.0 °F) and 16 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Johnstown Bridge, 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)		 17°C
(62°F)		 17°C
(63°F)		 22°C
(71°F)		 25°C
(77°F)		 28°C
(83°F)		 28°C
(83°F)		 24°C
(75°F)		 25°C
(77°F)		 20°C
(69°F)		 15°C
(60°F)		 14°C
(57°F)
Mean maximum 12°C
(54°F)		 13°C
(56°F)		 15°C
(60°F)		 19°C
(66°F)		 22°C
(71°F)		 23°C
(74°F)		 25°C
(78°F)		 23°C
(73°F)		 22°C
(72°F)		 18°C
(64°F)		 14°C
(58°F)		 13°C
(56°F)
Average high 8°C
(46°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)		 13°C
(56°F)		 10°C
(50°F)		 8°C
(47°F)
Daily mean 6°C
(42°F)		 6°C
(43°F)		 7°C
(45°F)		 9°C
(48°F)		 12°C
(53°F)		 15°C
(58°F)		 16°C
(61°F)		 15°C
(60°F)		 14°C
(57°F)		 11°C
(51°F)		 8°C
(46°F)		 6°C
(44°F)
Average low 3°C
(38°F)		 4°C
(39°F)		 4°C
(39°F)		 5°C
(41°F)		 8°C
(46°F)		 11°C
(51°F)		 13°C
(55°F)		 12°C
(55°F)		 10°C
(51°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)		 1°C
(34°F)		 6°C
(43°F)		 8°C
(47°F)		 8°C
(46°F)		 5°C
(41°F)		 2°C
(35°F)		 -0°C
(32°F)		 -1°C
(31°F)
Minimum -6°C
(21°F)		 -4°C
(25°F)		 -5°C
(23°F)		 -3°C
(27°F)		 -2°C
(30°F)		 4°C
(40°F)		 6°C
(44°F)		 6°C
(44°F)		 1°C
(35°F)		 -1°C
(30°F)		 -2°C
(28°F)		 -4°C
(25°F)

Compare climate in Johnstown Bridge with other places

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

Monthly average precipitation in Johnstown Bridge, Leinster, Ireland §

Johnstown Bridge usually has the most precipitation in August, November and December, with an average of 14 rainy days and 86 mm (3.4 inches) of precipitation per month.The driest months in Johnstown Bridge are January, April and May. On average, 54 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Johnstown Bridge, 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) 51 (2.0) 78 (3.1) 77 (3.0) 45 (1.8) 65 (2.6) 72 (2.8) 68 (2.7) 94 (3.7) 66 (2.6) 74 (2.9) 80 (3.2) 85 (3.3)
Average precipitation days (≥ 1 mm) 9 14 16 10 10 13 13 17 12 14 12 15

Monthly sunshine hours in Johnstown Bridge, Leinster, Ireland §

The sunniest months in Johnstown Bridge are May, June and July, when the sun shines an average of 11 hours 37 minutes a day.Least sunny months in Johnstown Bridge: January, November and December receive an average of 2 hours 54 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Johnstown Bridge, 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 75 136 171 286 361 355 353 301 268 217 107 84
Mean daily daylight hours 8h 6m 9h 49m 11h 54m 14h 2m 15h 54m 16h 54m 16h 22m 14h 40m 12h 37m 10h 30m 8h 35m 7h 33m

Solar UV radiation in Johnstown Bridge, Leinster, Ireland §

Johnstown Bridge 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 Johnstown Bridge UV Index data.

Average daily maximum UV levels by month for Johnstown Bridge, 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