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May Weather in Winchester, Canada

Last updated: June 18, 2025

In May, the average temperature in Winchester, Canada hovers around 14°C (57°F). Expect a wide range of temperatures, as it can dip to a chilly -2°C (29°F) or soar to a warm 35°C (95°F). During this time, the area receives about 110 mm (4.3 in) of precipitation, typically spread over 13 days, contributing to an average humidity level of 75%.

May Temperature in Winchester

In May in Winchester, the average temperature is 14°C (57°F). Maximum temperatures can reach 35°C (95°F), while minimums can drop as low as -2°C (29°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates May temperature patterns in Winchester, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Winchester, May typically has an average temperature of 14°C (57°F), with highs reaching up to 35°C (95°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec192130435766716961503525
Data source: Temperature data for Winchester 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 Winchester

In Winchester in May, the total precipitation amount is 110 mm (4.3 in) over the course of 13 days.

May Precipitation Trends in Winchester

The chart displays monthly precipitation patterns in Winchester, 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 Winchester, May typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec80818711711097119997013710184
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Winchester

In Winchester in May, humidity is 75%. With an average temperature of 14°C (57°F), this humidity feels like a damp blanket enveloping you, making outdoor activities somewhat uncomfortable and travel a bit sluggish, as the air feels heavy and the heat lingers close to your skin.

May Average Humidity in Winchester

This chart illustrates the average monthly humidity levels in Winchester, 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 Winchester is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%93%86%82%75%68%69%67%72%83%88%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Winchester

In Winchester in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Winchester.

Maximum UV Index Levels in Winchester for May

The chart shows the monthly maximum UV Index (UVI) for Winchester 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 Winchester typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245899987532
Data source: Winchester 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 Winchester Compares to Other Months

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

This table compares monthly weather conditions in Winchester, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (19°F)80 mm (3.1 inches)93%low
February Weather-6°C (21°F)81 mm (3.2 inches)93%moderate
March Weather-1°C (30°F)87 mm (3.4 inches)86%moderate
April Weather6°C (44°F)117 mm (4.6 inches)82%very high
May Weather14°C (57°F)110 mm (4.3 inches)75%very high
June Weather19°C (66°F)97 mm (3.8 inches)68%very high
July Weather22°C (72°F)119 mm (4.7 inches)69%very high
August Weather21°C (69°F)99 mm (3.9 inches)67%very high
September Weather16°C (62°F)70 mm (2.8 inches)72%high
October Weather10°C (50°F)137 mm (5.4 inches)83%moderate
November Weather2°C (35°F)101 mm (4.0 inches)88%moderate
December Weather-4°C (26°F)84 mm (3.3 inches)89%low

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