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June Weather in Sussex, United States

Last updated: June 24, 2025

In Sussex, United States, the average temperature in June hovers around 24°C (76°F). Expect a minimum of 10°C (50°F) and a maximum reaching up to 37°C (100°F). The region experiences 116 mm (4.6 in) of precipitation over about 12 days, with an average humidity level of 82%. Stay prepared for a mix of warm days and occasional showers!

June Temperature in Sussex

In June in Sussex, the average temperature is 24°C (76°F). The maximum can reach 37°C (100°F), while the minimum can drop to as low as 10°C (50°F). It’s advisable to pack both light clothing for the warm days and a jacket for cooler evenings when traveling.

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

The chart illustrates June temperature patterns in Sussex, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sussex, June typically has an average temperature of 24°C (76°F), with highs reaching up to 37°C (100°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec414651616976807874645145
Data source: Temperature data for Sussex 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 Sussex

In Sussex in June, the precipitation amount is 116 mm (4.6 in) over a span of 12 days.

June Precipitation Trends in Sussex

The chart displays monthly precipitation patterns in Sussex, 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 Sussex, June typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec84105861091151161241611131047889
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Sussex

In Sussex in June, humidity is 82%. With an average temperature of 24°C (76°F), this humidity feels like wearing a warm, damp blanket, making travel uncomfortable and sticky as you explore.

June Average Humidity in Sussex

This chart illustrates the average monthly humidity levels in Sussex, 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 Sussex is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%82%81%80%82%81%81%78%80%84%84%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Sussex

In Sussex in June, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Sussex.

Maximum UV Index Levels in Sussex for June

The chart shows the monthly maximum UV Index (UVI) for Sussex 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 Sussex typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3679101011109853
Data source: Sussex 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 Sussex Compares to Other Months

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

This table compares monthly weather conditions in Sussex, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)84 mm (3.3 inches)84%moderate
February Weather8°C (47°F)105 mm (4.2 inches)83%high
March Weather10°C (51°F)85 mm (3.4 inches)82%high
April Weather16°C (61°F)109 mm (4.3 inches)81%very high
May Weather21°C (69°F)115 mm (4.5 inches)80%very high
June Weather24°C (76°F)116 mm (4.6 inches)82%very high
July Weather27°C (81°F)124 mm (4.9 inches)81%extreme
August Weather26°C (79°F)161 mm (6.3 inches)81%very high
September Weather23°C (74°F)113 mm (4.4 inches)78%very high
October Weather18°C (65°F)104 mm (4.1 inches)80%very high
November Weather10°C (51°F)78 mm (3.1 inches)84%moderate
December Weather7°C (45°F)89 mm (3.5 inches)84%moderate

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