Randalstown, Northern Ireland Climate
United Kingdom
Pop. 5,378 Elev. 40 m / 131 ft
TZ: Europe/London (UTC+1) ·
Summers in Randalstown are cool, with August highs around 67°F (19°C), while winters are cool with January lows of 37°F (3°C). Expect around 64 rainy days annually (36.9 in / 936 mm total). Overcast skies are common, with only 52 sunny days per year. Ocean water temperatures reach 60°F (15°C) in summer.
| Temperature | 19°C (67°F) high | 3°C (37°F) low |
| Feels like | 1°C (34°F) low | |
| Rain | 64 days | 936 mm (36.9 in) /yr |
| Sky | 52 sunny | 16 stormy |
| Wind | 1.9 m/s (4.2 mph) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: May, Jul, Aug
Sky & Air by Month
Cloud cover (%)
69
Jan 72
Feb 71
Mar 59
Apr 50
May 77
Jun 76
Jul 68
Aug 75
Sep 81
Oct 75
Nov 71
Dec Humidity (%)
88
Jan 83
Feb 79
Mar 74
Apr 71
May 78
Jun 81
Jul 79
Aug 83
Sep 85
Oct 86
Nov 88
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 11 km Belfast International Airport (BFS)
Ski resort 171 km Ski Club Of Ireland
National park 24 km
Hospital 6 km Holywell Hospital
Hiking trail 24 km Slievenacloy - Stoneyford River
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 7°C 44°F | 3°C 37°F | 42 mm 1.6 in | 15 mm0.6 in | 6 |
| February | 8°C 47°F | 4°C 40°F | 53 mm 2.1 in | 1 mm0.0 in | 3 |
| March | 11°C 52°F | 5°C 41°F | 23 mm 0.9 in | — | 3 |
| April | 14°C 57°F | 6°C 43°F | 75 mm 3.0 in | — | 10 |
| May | 17°C 62°F | 8°C 46°F | 57 mm 2.3 in | — | 12 |
| June | 17°C 63°F | 11°C 52°F | 112 mm 4.4 in | — | 1 |
| July | 19°C 66°F | 13°C 56°F | 93 mm 3.7 in | — | 4 |
| August | 19°C 67°F | 13°C 55°F | 52 mm 2.1 in | — | 3 |
| September | 16°C 60°F | 10°C 49°F | 118 mm 4.7 in | — | 3 |
| October | 13°C 55°F | 9°C 48°F | 113 mm 4.4 in | — | 1 |
| November | 10°C 50°F | 6°C 42°F | 110 mm 4.3 in | 2 mm0.1 in | 1 |
| December | 9°C 47°F | 4°C 40°F | 88 mm 3.5 in | — | 5 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 6 | 0 |
| February | 3 | 0 |
| March | 3 | 0 |
| April | 10 | 0 |
| May | 12 | 2 |
| June | 1 | 2 |
| July | 4 | 5 |
| August | 3 | 1 |
| September | 3 | 3 |
| October | 1 | 2 |
| November | 1 | 0 |
| December | 5 | 1 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 10°C 50°F | 5°C 41°F |
| February | 9°C 48°F | 5°C 41°F |
| March | 8°C 47°F | 6°C 43°F |
| April | 9°C 48°F | 8°C 47°F |
| May | 11°C 52°F | 12°C 53°F |
| June | 13°C 55°F | 14°C 57°F |
| July | 14°C 58°F | 17°C 62°F |
| August | 15°C 60°F | 16°C 62°F |
| September | 15°C 59°F | 13°C 56°F |
| October | 14°C 58°F | 11°C 52°F |
| November | 13°C 56°F | 8°C 47°F |
| December | 12°C 53°F | 6°C 43°F |