Last updated: August 23, 2025
In November, the average temperature in St Johnston, Ireland hovers around 7°C (46°F). Expect chilly nights with minimum temperatures plummeting to -2°C (28°F) and warmer days reaching up to 15°C (59°F). Prepare for 94 mm (3.7 in) of rain spread over 18 days, and be ready for a humid atmosphere with average humidity at a damp 88%.
In November in St Johnston, the average temperature is 7°C (46°F). The maximum can reach 15°C (59°F) and the minimum can be as low as -2°C (28°F). Travelers should prepare for a mix of cool and mild weather, ensuring to pack layers for varying conditions.
In St Johnston in November, the precipitation amount is 94 mm (3.7 in) spread over 18 days.
In St Johnston in November humidity is 88%. With an average temperature of 7°C (46°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and requiring you to dress in layers to stay warm and dry while exploring.
In St Johnston in November, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in St Johnston, you can visit Hourly UV Index in St Johnston.
UV Risk Categories
Weather in St Johnston varies notably across the year, with each month offering distinct climate conditions. This page compares November’s weather to other months in St Johnston, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (42°F) | 72 mm (2.8 inches) | 84% | low |
| February Weather | 6°C (42°F) | 113 mm (4.4 inches) | 84% | low |
| March Weather | 6°C (44°F) | 106 mm (4.2 inches) | 83% | moderate |
| April Weather | 8°C (47°F) | 64 mm (2.5 inches) | 84% | moderate |
| May Weather | 11°C (52°F) | 93 mm (3.7 inches) | 83% | high |
| June Weather | 13°C (56°F) | 107 mm (4.2 inches) | 83% | very high |
| July Weather | 15°C (59°F) | 99 mm (3.9 inches) | 86% | very high |
| August Weather | 15°C (58°F) | 157 mm (6.2 inches) | 86% | high |
| September Weather | 13°C (55°F) | 97 mm (3.8 inches) | 87% | moderate |
| October Weather | 10°C (50°F) | 112 mm (4.4 inches) | 87% | moderate |
| November Weather | 7°C (46°F) | 94 mm (3.7 inches) | 88% | low |
| December Weather | 6°C (43°F) | 103 mm (4.1 inches) | 84% | low |