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May Weather in Hartland, United Kingdom

Last updated: August 27, 2025

In Hartland, United Kingdom, the average temperature in May hovers around 12°C (53°F), with a range that can dip to a cool 6°C (43°F) and peak at a comfortable 20°C (68°F). Expect about 72 mm (2.8 in) of precipitation spread over 12 days, accompanied by an average humidity of 80%. Whether you're planning a visit or just curious about the climate, this month's weather promises a mild and somewhat moist experience.

May Temperature in Hartland

In May in Hartland, the average temperature is 12°C (53°F). Maximums can reach 20°C (68°F), and minimums can be as low as 6°C (43°F). It's a great time to explore Hartland with mild temperatures ideal for outdoor activities.

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

The chart illustrates May temperature patterns in Hartland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hartland, May typically has an average temperature of 12°C (53°F), with highs reaching up to 20°C (68°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec464646495358626260565148
Data source: Temperature data for Hartland generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Hartland

In Hartland in May, the total precipitation amount is 72 mm (2.8 in) over the course of 12 days.

May Precipitation Trends in Hartland

The chart displays monthly precipitation patterns in Hartland, 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 Hartland, May typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec1091121075372928399112165140186
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Hartland

In Hartland in May humidity is 80%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill clinging to your skin, making outdoor activities less inviting and prompting the need for layered clothing to stay comfortable while traveling.

May Average Humidity in Hartland

This chart illustrates the average monthly humidity levels in Hartland, 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 Hartland is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%84%80%80%70%73%79%89%90%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Hartland

In Hartland 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 Hartland.

Maximum UV Index Levels in Hartland for May

The chart shows the monthly maximum UV Index (UVI) for Hartland 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 Hartland typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124678876421
Data source: Hartland 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 Hartland Compares to Other Months

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

This table compares monthly weather conditions in Hartland, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)109 mm (4.3 inches)88%low
February Weather8°C (46°F)112 mm (4.4 inches)88%low
March Weather8°C (47°F)107 mm (4.2 inches)86%moderate
April Weather9°C (49°F)53 mm (2.1 inches)84%high
May Weather12°C (53°F)72 mm (2.8 inches)80%high
June Weather15°C (58°F)92 mm (3.6 inches)80%very high
July Weather16°C (62°F)83 mm (3.3 inches)70%very high
August Weather16°C (62°F)99 mm (3.9 inches)73%high
September Weather15°C (60°F)112 mm (4.4 inches)79%high
October Weather13°C (56°F)165 mm (6.5 inches)89%moderate
November Weather11°C (51°F)140 mm (5.5 inches)90%low
December Weather9°C (49°F)186 mm (7.3 inches)89%low

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