Coleraine Climate by Month
Coleraine, Northern Ireland, United Kingdom
Cool summers and cool winters, with rain spread through the year.
The climate in Coleraine is one of cool summers and cool winters, with rain spread through the year. Expect highs of 65°F (18°C) in July and 46°F (8°C) in January, with the coldest nights (February) near 37°F (3°C). It gets 51 in (1283 mm) of rain a year, spread across the months. The air is humid, averaging 82% relative humidity.
- Warmest month
- 65°F(18°C)
- Average high, July
- Coldest nights
- 37°F(3°C)
- Average low, February
- Rain per year
- 51 in(1283 mm)
- No clear rainy season
- Humidity
- 82%
- Sunniest: June
Best and worst months in Coleraine
Best for weatherJune to August are the best time for weather in Coleraine: highs near 64°F (18°C) and about 3.7 in (95 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 46°F (8°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)
Coleraine weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 46°F(8°C) | 38°F(3°C) | 5.1 in(129 mm) | 88% | 0.5 |
| FebFebruary | 47°F(8°C) | 37°F(3°C) | 4.6 in(117 mm) | 88% | 1.2 |
| MarMarch | 49°F(10°C) | 39°F(4°C) | 3.7 in(94 mm) | 81% | 2.1 |
| AprApril | 53°F(12°C) | 42°F(5°C) | 3.0 in(77 mm) | 72% | 3.6 |
| MayMay | 58°F(15°C) | 46°F(8°C) | 2.8 in(72 mm) | 76% | 4.7 |
| JunJuneBest | 62°F(17°C) | 50°F(10°C) | 3.5 in(88 mm) | 78% | 4.8 |
| JulJulyBest | 65°F(18°C) | 54°F(12°C) | 3.5 in(89 mm) | 81% | 4.4 |
| AugAugustBest | 65°F(18°C) | 54°F(12°C) | 4.3 in(108 mm) | 82% | 3.6 |
| SepSeptember | 62°F(16°C) | 51°F(10°C) | 3.9 in(100 mm) | 85% | 2.6 |
| OctOctober | 56°F(13°C) | 46°F(8°C) | 5.1 in(130 mm) | 86% | 1.4 |
| NovNovember | 51°F(10°C) | 42°F(6°C) | 5.4 in(138 mm) | 84% | 0.7 |
| DecDecember | 47°F(8°C) | 38°F(4°C) | 5.6 in(141 mm) | 86% | 0.4 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
Places with a similar climate
All 20 places like Coleraine →- 🇮🇪GalwayConnacht, Ireland · Pop. 86k99%matchSame winter lowsSame summer highsColeraine vs Galway →
- 🇬🇧BurnleyEngland, United Kingdom · Pop. 149k99%matchSimilar rainfallSame humidityColeraine vs Burnley →
- 🇬🇧Barrow in FurnessEngland, United Kingdom · Pop. 55k98%matchSame winter lowsSame summer highsColeraine vs Barrow in Furness →
- 🇮🇪CarlowLeinster, Ireland · Pop. 27k98%matchSame winter lowsSame humidityColeraine vs Carlow →
- 🇬🇧Colwyn BayWales, United Kingdom · Pop. 29k98%matchSame winter lowsSame humidityColeraine vs Colwyn Bay →