Portadown Climate by Month
Portadown, Northern Ireland, United Kingdom
Mild summers and cool winters, with rain spread through the year.
The climate in Portadown is one of mild summers and cool winters, with rain spread through the year. Expect highs of 67°F (20°C) in July and 46°F (8°C) in January, with the coldest nights (February) near 36°F (2°C). About 40 in (1025 mm) of rain falls in a typical year, with no clear rainy season. The air is humid, averaging 83% relative humidity.
- Warmest month
- 67°F(20°C)
- Average high, July
- Coldest nights
- 36°F(2°C)
- Average low, February
- Rain per year
- 40 in(1025 mm)
- No clear rainy season
- Humidity
- 83%
- Sunniest: June
Best and worst months in Portadown
Best for weatherThe most comfortable weather comes from June to August, with highs around 66°F (19°C) and about 3.3 in (84 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)
Portadown weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 46°F(8°C) | 36°F(2°C) | 3.7 in(95 mm) | 93% | 0.6 |
| FebFebruary | 47°F(8°C) | 36°F(2°C) | 3.1 in(79 mm) | 79% | 1.2 |
| MarMarch | 50°F(10°C) | 38°F(3°C) | 3.1 in(78 mm) | 82% | 2.2 |
| AprApril | 55°F(13°C) | 41°F(5°C) | 2.7 in(68 mm) | 79% | 3.6 |
| MayMay | 60°F(16°C) | 45°F(7°C) | 2.4 in(62 mm) | 74% | 4.6 |
| JunJuneBest | 65°F(18°C) | 50°F(10°C) | 3.0 in(76 mm) | 75% | 4.7 |
| JulJulyBest | 67°F(20°C) | 53°F(12°C) | 3.0 in(77 mm) | 79% | 4.3 |
| AugAugustBest | 66°F(19°C) | 53°F(12°C) | 3.9 in(98 mm) | 80% | 3.6 |
| SepSeptember | 63°F(17°C) | 49°F(10°C) | 3.2 in(82 mm) | 85% | 2.7 |
| OctOctober | 56°F(14°C) | 45°F(7°C) | 4.0 in(102 mm) | 88% | 1.4 |
| NovNovember | 50°F(10°C) | 40°F(4°C) | 4.3 in(108 mm) | 89% | 0.7 |
| DecDecember | 46°F(8°C) | 36°F(2°C) | 3.9 in(100 mm) | 92% | 0.5 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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