nomadseason

May Weather in Scalloway, United Kingdom

Last updated: August 27, 2025

In May, the average temperature in Scalloway, United Kingdom hovers around 8°C (47°F), offering a crisp climate that's perfect for cozy outings. Expect minimum temperatures dipping to 2°C (36°F), while highs can reach up to 12°C (54°F). With 47 mm (1.8 in) of rainfall distributed over approximately 13 days, a light jacket is advisable. On top of that, the average humidity stands at a brisk 84%, adding to the invigorating atmosphere.

May Temperature in Scalloway

In May in Scalloway, the average temperature is 8°C (47°F). Maximums can reach 12°C (54°F), while minimums can drop to as low as 2°C (36°F). Travelers should pack accordingly to enjoy the cool, crisp weather while exploring Scalloway.

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

The chart illustrates May temperature patterns in Scalloway, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Scalloway, May typically has an average temperature of 8°C (47°F), with highs reaching up to 12°C (54°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec444343434651545553504745
Data source: Temperature data for Scalloway 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 Scalloway

In Scalloway in May, the precipitation amount is 47 mm (1.8 in) over the course of 13 days.

May Precipitation Trends in Scalloway

The chart displays monthly precipitation patterns in Scalloway, 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 Scalloway, May typically receives around 47 mm (1.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec96981035147547074115146133137
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Scalloway

In Scalloway in May, humidity is 84%. With an average temperature of 8°C (47°F), this humidity feels like a damp blanket wrapping around you, making travel feel heavy and a bit lethargic, as the air thickens with moisture and each step becomes a little more cumbersome.

May Average Humidity in Scalloway

This chart illustrates the average monthly humidity levels in Scalloway, 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 Scalloway is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%79%81%82%84%84%89%87%87%87%85%78%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Scalloway

In Scalloway in May, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Scalloway.

Maximum UV Index Levels in Scalloway for May

The chart shows the monthly maximum UV Index (UVI) for Scalloway 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 Scalloway typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112457654211
Data source: Scalloway 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 Scalloway Compares to Other Months

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

This table compares monthly weather conditions in Scalloway, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (44°F)96 mm (3.8 inches)79%low
February Weather6°C (43°F)97 mm (3.8 inches)79%low
March Weather6°C (43°F)103 mm (4.1 inches)81%low
April Weather6°C (44°F)51 mm (2.0 inches)82%moderate
May Weather8°C (47°F)47 mm (1.8 inches)84%moderate
June Weather10°C (51°F)53 mm (2.1 inches)84%high
July Weather12°C (54°F)69 mm (2.7 inches)89%high
August Weather13°C (55°F)74 mm (2.9 inches)87%moderate
September Weather12°C (54°F)115 mm (4.5 inches)87%moderate
October Weather10°C (51°F)146 mm (5.8 inches)87%low
November Weather8°C (47°F)133 mm (5.2 inches)85%low
December Weather7°C (45°F)137 mm (5.4 inches)78%low

Compare Scalloway's Climate with Cities Worldwide