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June Weather in Sussex, Canada

Last updated: June 18, 2025

In June, the average temperature in Sussex, Canada hovers around 15°C (60°F). However, be prepared for a range of weather, with temperatures dipping as low as -3°C (27°F) and peaking at 32°C (90°F). Rainfall is fairly common, with about 99 mm (3.9 in) spread over 12 days, contributing to an average humidity of 82%. Stay prepared for varying conditions!

June Temperature in Sussex

In June in Sussex, the average temperature is 15°C (60°F). Maximum temperatures can reach 32°C (90°F), while the minimum can dip as low as -3°C (27°F). Travelers should be prepared for a wide range of weather conditions during this time.

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 15°C (60°F), with highs reaching up to 32°C (90°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec202128405060666658473625
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 total precipitation amount is 99 mm (3.9 in) recorded 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 99 mm (3.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec101104811051079987819193160114
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 15°C (60°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and draining, which can hinder your travel experience.

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.
JanFebMarAprMayJunJulAugSepOctNovDec83%84%82%80%78%82%84%82%82%82%84%82%
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.
JanFebMarAprMayJunJulAugSepOctNovDec2357910887532
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 Weather-7°C (20°F)101 mm (4.0 inches)83%low
February Weather-6°C (21°F)104 mm (4.1 inches)84%moderate
March Weather-2°C (28°F)80 mm (3.2 inches)82%moderate
April Weather4°C (40°F)105 mm (4.1 inches)80%high
May Weather10°C (50°F)107 mm (4.2 inches)78%very high
June Weather15°C (60°F)99 mm (3.9 inches)82%very high
July Weather19°C (66°F)87 mm (3.4 inches)84%very high
August Weather19°C (66°F)81 mm (3.2 inches)82%very high
September Weather15°C (58°F)91 mm (3.6 inches)82%high
October Weather9°C (48°F)93 mm (3.7 inches)82%moderate
November Weather2°C (36°F)160 mm (6.3 inches)84%moderate
December Weather-4°C (25°F)114 mm (4.5 inches)82%low

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