Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Ballintoy Harbour features a oceanic climate (Cfb). Temperatures typically range between 7 °C (44 °F) and 14 °C (57 °F) through the year, but rarely can drop to -1 °C (31 °F) or can rise to as high as 19 °C (66 °F). The average annual precipitation amounts to about 1421 mm (55.9 inches) and receives 213 rainy days on the 1 mm (0.04 inches) threshold annually. Ballintoy Harbour enjoys an average of 3048 hours of sunshine throughout the year, and daylight varies from 7 hours 12 minutes to 17 hours 18 minutes per day.
The warmest months in Ballintoy Harbour are July, August and September, with daily mean temperatures ranging from 13 to 14 °C (56 - 57 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 7 to 7 °C (44 - 45 °F) throughout the day. On average each year, Ballintoy Harbour experiences 0 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 13°C (56°F) |
12°C (54°F) |
12°C (54°F) |
13°C (55°F) |
15°C (60°F) |
16°C (62°F) |
19°C (66°F) |
18°C (64°F) |
17°C (64°F) |
16°C (62°F) |
14°C (58°F) |
12°C (54°F) |
| Mean maximum | 11°C (53°F) |
11°C (52°F) |
11°C (52°F) |
11°C (53°F) |
14°C (57°F) |
15°C (59°F) |
17°C (64°F) |
17°C (63°F) |
17°C (63°F) |
15°C (60°F) |
14°C (57°F) |
12°C (54°F) |
| Average high | 8°C (47°F) |
8°C (46°F) |
8°C (47°F) |
9°C (48°F) |
11°C (51°F) |
13°C (55°F) |
14°C (58°F) |
15°C (59°F) |
14°C (58°F) |
13°C (55°F) |
11°C (51°F) |
9°C (49°F) |
| Daily mean | 7°C (45°F) |
7°C (44°F) |
7°C (44°F) |
8°C (46°F) |
10°C (50°F) |
12°C (53°F) |
13°C (56°F) |
14°C (57°F) |
13°C (56°F) |
12°C (53°F) |
10°C (49°F) |
8°C (47°F) |
| Average low | 6°C (43°F) |
5°C (42°F) |
6°C (42°F) |
7°C (45°F) |
9°C (48°F) |
11°C (52°F) |
13°C (55°F) |
13°C (56°F) |
13°C (55°F) |
11°C (52°F) |
9°C (48°F) |
7°C (45°F) |
| Mean minimum | 2°C (37°F) |
2°C (36°F) |
3°C (37°F) |
4°C (39°F) |
6°C (44°F) |
9°C (49°F) |
11°C (52°F) |
12°C (53°F) |
10°C (51°F) |
8°C (47°F) |
6°C (43°F) |
4°C (39°F) |
| Minimum | 2°C (36°F) |
1°C (34°F) |
-1°C (31°F) |
2°C (37°F) |
5°C (41°F) |
8°C (47°F) |
11°C (52°F) |
10°C (51°F) |
9°C (49°F) |
6°C (43°F) |
4°C (40°F) |
2°C (36°F) |
Compare temperature, precipitation, sunshine, UV index in Ballintoy Harbour, Northern Ireland, United Kingdom with other places around the world.
Ballintoy Harbour usually has the most precipitation in October, November and December, with an average of 23 rainy days and 164 mm (6.5 inches) of precipitation per month. The driest months in Ballintoy Harbour are April, May and June. On average, 71 mm (2.8 inches) of precipitation falls during these months.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average precipitation mm (inches) | 121 (4.7) | 138 (5.4) | 106 (4.2) | 47 (1.9) | 69 (2.7) | 98 (3.8) | 105 (4.1) | 132 (5.2) | 112 (4.4) | 160 (6.3) | 167 (6.6) | 166 (6.5) |
| Average precipitation days (≥ 1 mm) | 17 | 18 | 17 | 10 | 11 | 16 | 16 | 19 | 19 | 24 | 23 | 23 |
The sunniest months in Ballintoy Harbour are May, June and July, when the sun shines an average of 13 hours 11 minutes a day. Least sunny months in Ballintoy Harbour: January, November and December receive an average of 2 hours 58 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 73 | 147 | 211 | 325 | 407 | 396 | 410 | 360 | 289 | 225 | 117 | 82 |
| Mean daily daylight hours | 7h 48m | 9h 39m | 11h 53m | 14h 11m | 16h 13m | 17h 18m | 16h 43m | 14h 52m | 12h 39m | 10h 23m | 8h 20m | 7h 12m |
Ballintoy Harbour experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 6 - 8, which corresponds to the High / Very High category of sun exposure. January, November and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 1. For more detailed information, check out our hourly Ballintoy Harbour UV Index data.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV Index (month maximum) | 1 | 2 | 3 | 5 | 6 | 8 | 8 | 6 | 5 | 3 | 1 | 1 |
Discover in-depth weather details for every month in Ballintoy Harbour. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Ballintoy Harbour's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.
Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.