Castleblayney, Ulster Climate
Ireland
Pop. 3,607 Elev. 117 m / 384 ft
TZ: Europe/Dublin (UTC+1) ·
Summers in Castleblayney are cool, with July highs around 68°F (20°C), while winters are cool with January lows of 36°F (2°C). Expect around 64 rainy days annually (36.0 in / 913 mm total), with 2 in (55 mm) of annual snowfall. Overcast skies are common, with only 48 sunny days per year. Ocean water temperatures reach 62°F (17°C) in summer.
| Temperature | 20°C (68°F) high | 2°C (36°F) low |
| Feels like | 1°C (33°F) low | |
| Rain | 64 days | 913 mm (36.0 in) /yr |
| Snow | 0 days | 55 mm (2.2 in) /yr |
| Sky | 48 sunny | 12 stormy |
| Wind | 1.8 m/s (3.9 mph) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: May, Jun, Jul, Aug
Sky & Air by Month
Cloud cover (%)
70
Jan 73
Feb 73
Mar 59
Apr 51
May 76
Jun 79
Jul 73
Aug 75
Sep 83
Oct 74
Nov 75
Dec Humidity (%)
89
Jan 83
Feb 79
Mar 74
Apr 71
May 78
Jun 78
Jul 79
Aug 83
Sep 85
Oct 88
Nov 87
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 69 km Belfast International Airport (BFS)
Ski resort 106 km Ski Club Of Ireland
National park 14 km Ballinn River
Hospital 2 km St. Mary's Hospital - Castleblayney
Hiking trail 3 km Monaghan Way
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 7°C 44°F | 2°C 36°F | 49 mm 1.9 in | 52 mm2.0 in | 4 |
| February | 8°C 47°F | 4°C 39°F | 68 mm 2.7 in | 3 mm0.1 in | 3 |
| March | 11°C 52°F | 5°C 40°F | 22 mm 0.9 in | — | 4 |
| April | 14°C 58°F | 6°C 43°F | 106 mm 4.2 in | — | 9 |
| May | 17°C 62°F | 8°C 46°F | 48 mm 1.9 in | — | 11 |
| June | 18°C 65°F | 11°C 52°F | 91 mm 3.6 in | — | 2 |
| July | 20°C 68°F | 13°C 56°F | 76 mm 3.0 in | — | 3 |
| August | 19°C 67°F | 13°C 55°F | 51 mm 2.0 in | — | 2 |
| September | 16°C 60°F | 9°C 49°F | 107 mm 4.2 in | — | 4 |
| October | 13°C 55°F | 9°C 48°F | 112 mm 4.4 in | — | 1 |
| November | 10°C 50°F | 6°C 42°F | 100 mm 4.0 in | 1 mm0.0 in | 3 |
| December | 9°C 48°F | 5°C 40°F | 84 mm 3.3 in | — | 2 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 4 | 0 |
| February | 3 | 2 |
| March | 4 | 0 |
| April | 9 | 3 |
| May | 11 | 0 |
| June | 2 | 0 |
| July | 3 | 2 |
| August | 2 | 0 |
| September | 4 | 2 |
| October | 1 | 2 |
| November | 3 | 0 |
| December | 2 | 1 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 10°C 50°F | 4°C 39°F |
| February | 8°C 47°F | 5°C 41°F |
| March | 9°C 48°F | 7°C 44°F |
| April | 11°C 51°F | 10°C 50°F |
| May | 14°C 57°F | 14°C 56°F |
| June | 15°C 59°F | 15°C 59°F |
| July | 16°C 61°F | 17°C 62°F |
| August | 17°C 62°F | 16°C 62°F |
| September | 15°C 60°F | 13°C 55°F |
| October | 14°C 58°F | 11°C 51°F |
| November | 13°C 55°F | 7°C 45°F |
| December | 11°C 52°F | 6°C 42°F |