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June Weather in Harleston, United Kingdom

Last updated: August 27, 2025

In June, the average temperature in Harleston, United Kingdom is a pleasant 16°C (61°F). Expect a range where the minimum can dip to 5°C (42°F), while the maximum can reach up to 28°C (83°F). Be prepared for 70 mm (2.7 in) of precipitation spread across 11 days, and a notable average humidity of 83%. Enjoy the unique climate this month has to offer!

June Temperature in Harleston

In June in Harleston, the average temperature is 16°C (61°F). Maximums can reach 28°C (83°F), while minimums can dip to as low as 5°C (42°F). It's an ideal time to explore Harleston if you enjoy mild weather with the potential for some warmer days.

June Weather in Harleston: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Harleston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harleston, June typically has an average temperature of 16°C (61°F), with highs reaching up to 28°C (83°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec404245485461646459534643
Data source: Temperature data for Harleston 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.

June Precipitation in Harleston

In Harleston in June, the precipitation amount is 70 mm (2.7 in) spread over 11 days.

June Precipitation Trends in Harleston

The chart displays monthly precipitation patterns in Harleston, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Harleston, June typically receives around 70 mm (2.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec485555316170717959794580
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Harleston

In Harleston in June, humidity is 83%. With an average temperature of 16°C (61°F), this humidity feels like a warm, muggy blanket wrapping around you, making travel a bit sticky and potentially uncomfortable as you navigate through the sights.

June Average Humidity in Harleston

This chart illustrates the average monthly humidity levels in Harleston, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Harleston is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%87%86%85%83%83%80%78%84%88%89%88%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Harleston

In Harleston in June, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Harleston.

Maximum UV Index Levels in Harleston for June

The chart shows the monthly maximum UV Index (UVI) for Harleston in June, 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 June, the maximum UV index in Harleston typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Harleston June 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 June Weather in Harleston Compares to Other Months

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

This table compares monthly weather conditions in Harleston, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)48 mm (1.9 inches)89%low
February Weather6°C (43°F)55 mm (2.2 inches)87%low
March Weather7°C (45°F)55 mm (2.2 inches)86%moderate
April Weather9°C (48°F)31 mm (1.2 inches)85%moderate
May Weather12°C (54°F)61 mm (2.4 inches)83%high
June Weather16°C (61°F)70 mm (2.7 inches)83%very high
July Weather18°C (64°F)71 mm (2.8 inches)79%very high
August Weather18°C (64°F)79 mm (3.1 inches)78%high
September Weather15°C (59°F)59 mm (2.3 inches)84%moderate
October Weather12°C (54°F)79 mm (3.1 inches)88%moderate
November Weather8°C (47°F)45 mm (1.8 inches)89%low
December Weather6°C (43°F)80 mm (3.1 inches)88%low

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