Colwyn Bay Climate by Month
Colwyn Bay, Wales, 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 Colwyn Bay's climate in short. Expect highs of 68°F (20°C) in July and 47°F (8°C) in January, with the coldest nights (February) near 37°F (3°C). About 36 in (906 mm) of rain falls in a typical year, with no clear rainy season. The air is humid, averaging 82% relative humidity.
- Warmest month
- 68°F(20°C)
- Average high, July
- Coldest nights
- 37°F(3°C)
- Average low, February
- Rain per year
- 36 in(906 mm)
- No clear rainy season
- Humidity
- 82%
- Sunniest: June
Best and worst months in Colwyn Bay
Best for weatherJune to August are the best time for weather in Colwyn Bay: highs near 67°F (19°C) and about 2.8 in (71 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 47°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)
Colwyn Bay weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 47°F(8°C) | 38°F(3°C) | 3.1 in(78 mm) | 88% | 0.6 |
| FebFebruary | 47°F(8°C) | 37°F(3°C) | 2.6 in(65 mm) | 89% | 1.3 |
| MarMarch | 50°F(10°C) | 39°F(4°C) | 2.5 in(64 mm) | 81% | 2.4 |
| AprApril | 55°F(13°C) | 41°F(5°C) | 2.0 in(52 mm) | 79% | 3.8 |
| MayMay | 60°F(16°C) | 46°F(8°C) | 2.0 in(50 mm) | 80% | 4.9 |
| JunJuneBest | 65°F(18°C) | 51°F(11°C) | 2.6 in(65 mm) | 79% | 5.1 |
| JulJulyBest | 68°F(20°C) | 55°F(13°C) | 2.9 in(74 mm) | 81% | 4.7 |
| AugAugustBest | 67°F(20°C) | 55°F(13°C) | 2.9 in(74 mm) | 82% | 3.9 |
| SepSeptember | 64°F(18°C) | 51°F(11°C) | 3.2 in(82 mm) | 81% | 2.8 |
| OctOctober | 58°F(14°C) | 47°F(8°C) | 3.8 in(97 mm) | 83% | 1.6 |
| NovNovember | 52°F(11°C) | 42°F(6°C) | 4.1 in(105 mm) | 82% | 0.8 |
| DecDecember | 48°F(9°C) | 38°F(4°C) | 3.9 in(100 mm) | 84% | 0.5 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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