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May Weather in Winchester, United States

Last updated: June 24, 2025

In Winchester, United States, the average temperature in May is a pleasant 19°C (66°F), but be prepared for a range from a chilly 0°C (33°F) to a warm 32°C (89°F). Expect about 130 mm (5.1 in) of precipitation over 13 days, and with an average humidity of 81%, it’s a good idea to stay hydrated and ready for the weather!

May Temperature in Winchester

In May in Winchester, the average temperature is 19°C (66°F). The maximum can reach 32°C (89°F) and the minimum can be as low as 0°C (33°F). Overall, it's a great time for traveling as you can experience a comfortable climate with a variety of weather conditions.

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 19°C (66°F), with highs reaching up to 32°C (89°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec333745546573777470594439
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 precipitation amount is 130 mm (5.1 in) spread over 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 130 mm (5.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec881231321361301461128410210595120
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 81%. With an average temperature of 19°C (66°F), this humidity feels like a warm, heavy blanket enveloping you, making travel feel both muggy and slightly stifling, often leading to a need for frequent breaks in the shade.

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 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%85%81%82%81%73%73%78%89%87%
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 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 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098643
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 Weather1°C (34°F)88 mm (3.5 inches)88%moderate
February Weather3°C (38°F)122 mm (4.8 inches)88%moderate
March Weather7°C (45°F)131 mm (5.2 inches)87%high
April Weather12°C (54°F)136 mm (5.4 inches)85%very high
May Weather19°C (66°F)130 mm (5.1 inches)81%very high
June Weather23°C (73°F)146 mm (5.7 inches)82%very high
July Weather25°C (77°F)112 mm (4.4 inches)81%very high
August Weather24°C (75°F)84 mm (3.3 inches)73%very high
September Weather21°C (70°F)102 mm (4.0 inches)73%very high
October Weather15°C (59°F)105 mm (4.1 inches)78%high
November Weather6°C (44°F)95 mm (3.8 inches)89%moderate
December Weather4°C (39°F)120 mm (4.7 inches)87%moderate

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