Carrickfergus Climate by Month
Carrickfergus, Northern Ireland, United Kingdom
Mild summers and cool winters, with rain spread through the year.
Mild summers and cool winters, with rain spread through the year: that's Carrickfergus's climate in short. Afternoon highs range from 44°F (7°C) in January to 67°F (19°C) in July, and January nights average 35°F (1°C). It gets 36 in (909 mm) of rain a year, spread across the months. The air is humid, averaging 86% relative humidity.
- Warmest month
- 67°F(19°C)
- Average high, July
- Coldest nights
- 35°F(1°C)
- Average low, January
- Rain per year
- 36 in(909 mm)
- No clear rainy season
- Humidity
- 86%
- Sunniest: June
Best and worst months in Carrickfergus
Best for weatherJune to August are the best time for weather in Carrickfergus: highs near 65°F (19°C) and about 3.1 in (78 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 44°F (7°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in July.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Carrickfergus weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 44°F(7°C) | 35°F(1°C) | 3.2 in(81 mm) | 98% | 0.5 |
| FebFebruary | 46°F(8°C) | 35°F(2°C) | 2.6 in(66 mm) | 83% | 1.2 |
| MarMarch | 49°F(10°C) | 37°F(3°C) | 2.5 in(63 mm) | 85% | 2.2 |
| AprApril | 54°F(12°C) | 40°F(4°C) | 2.3 in(58 mm) | 82% | 3.6 |
| MayMay | 60°F(16°C) | 44°F(7°C) | 2.3 in(59 mm) | 76% | 4.6 |
| JunJuneBest | 64°F(18°C) | 49°F(9°C) | 2.8 in(70 mm) | 77% | 4.7 |
| JulJulyBest | 67°F(19°C) | 52°F(11°C) | 3.1 in(79 mm) | 81% | 4.3 |
| AugAugustBest | 66°F(19°C) | 52°F(11°C) | 3.3 in(84 mm) | 82% | 3.6 |
| SepSeptember | 62°F(17°C) | 49°F(9°C) | 3.0 in(77 mm) | 87% | 2.7 |
| OctOctober | 55°F(13°C) | 44°F(7°C) | 3.7 in(94 mm) | 91% | 1.4 |
| NovNovember | 49°F(9°C) | 39°F(4°C) | 3.6 in(92 mm) | 93% | 0.7 |
| DecDecember | 44°F(7°C) | 35°F(2°C) | 3.4 in(86 mm) | 96% | 0.4 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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