May Weather in Trawsfynydd, United Kingdom

Last updated: August 27, 2025

In May, the average temperature in Trawsfynydd, 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.

May Temperature in Trawsfynydd

In May in Trawsfynydd, 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.

May Weather in Trawsfynydd: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Trawsfynydd, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trawsfynydd, May typically has an average temperature of 11°C (51°F), with highs reaching up to 26°C (79°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec404143465157605955504542
Data source: Temperature data for Trawsfynydd generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Trawsfynydd

In Trawsfynydd in May, the precipitation amount is 88 mm (3.5 in) over the course of 14 days.

May Precipitation Trends in Trawsfynydd

The chart displays monthly precipitation patterns in Trawsfynydd, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Trawsfynydd, May typically receives around 88 mm (3.5 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec103148141658810298153126163133165
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Trawsfynydd

In Trawsfynydd 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.

May Average Humidity in Trawsfynydd

This chart illustrates the average monthly humidity levels in Trawsfynydd, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Trawsfynydd is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%85%79%81%78%79%85%90%91%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Trawsfynydd

In Trawsfynydd 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 Trawsfynydd.

Maximum UV Index Levels in Trawsfynydd for May

The chart shows the monthly maximum UV Index (UVI) for Trawsfynydd in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Trawsfynydd typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Trawsfynydd May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How May Weather in Trawsfynydd Compares to Other Months

Weather in Trawsfynydd varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Trawsfynydd, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Trawsfynydd, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)103 mm (4.0 inches)89%low
February Weather5°C (41°F)147 mm (5.8 inches)88%low
March Weather6°C (43°F)141 mm (5.6 inches)86%moderate
April Weather8°C (47°F)65 mm (2.5 inches)84%moderate
May Weather11°C (51°F)88 mm (3.5 inches)79%high
June Weather14°C (57°F)102 mm (4.0 inches)81%very high
July Weather15°C (60°F)98 mm (3.9 inches)78%very high
August Weather15°C (59°F)153 mm (6.0 inches)79%high
September Weather13°C (55°F)126 mm (5.0 inches)85%moderate
October Weather10°C (50°F)163 mm (6.4 inches)90%moderate
November Weather7°C (45°F)133 mm (5.2 inches)91%low
December Weather6°C (43°F)165 mm (6.5 inches)89%low

Compare Trawsfynydd's Climate with Cities Worldwide