Last updated: August 27, 2025
In May, the average temperature in Penrhyndeudraeth, United Kingdom is a mild 11°C (51°F). Visitors can expect a range, with temperatures dipping to a minimum of -1°C (31°F) and peaking at 26°C (79°F). With an average precipitation of 88 mm (3.5 in) spread over 14 days, and a humidity level hovering around 79%, it's a month that blends coolness with periodic wet weather.
In May in Penrhyndeudraeth, the average temperature is 11°C (51°F), with maximum highs reaching 26°C (79°F) and minimum lows dropping to -1°C (31°F). This varied climate makes it essential for travelers to pack layers to ensure comfort throughout their visit.
In Penrhyndeudraeth in May, the precipitation amount is 88 mm (3.5 in) over the course of 14 days.
In Penrhyndeudraeth in May, humidity is 79%. With an average temperature of 11°C (51°F), this humidity feels like a damp chill in the air, making it necessary to dress in layers while exploring the local sights, as the coolness combined with the high moisture can create an uncomfortable, sticky atmosphere for travelers.
In Penrhyndeudraeth in May, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Penrhyndeudraeth.
UV Risk Categories
Weather in Penrhyndeudraeth varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Penrhyndeudraeth, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 103 mm (4.0 inches) | 89% | low |
| February Weather | 5°C (41°F) | 147 mm (5.8 inches) | 88% | low |
| March Weather | 6°C (43°F) | 141 mm (5.6 inches) | 86% | moderate |
| April Weather | 8°C (47°F) | 65 mm (2.5 inches) | 84% | moderate |
| May Weather | 11°C (51°F) | 88 mm (3.5 inches) | 79% | high |
| June Weather | 14°C (57°F) | 102 mm (4.0 inches) | 81% | very high |
| July Weather | 15°C (60°F) | 98 mm (3.9 inches) | 78% | very high |
| August Weather | 15°C (59°F) | 153 mm (6.0 inches) | 79% | high |
| September Weather | 13°C (55°F) | 126 mm (5.0 inches) | 85% | moderate |
| October Weather | 10°C (50°F) | 163 mm (6.4 inches) | 90% | moderate |
| November Weather | 7°C (45°F) | 133 mm (5.2 inches) | 91% | low |
| December Weather | 6°C (43°F) | 165 mm (6.5 inches) | 89% | low |