May Weather in Winchester, United States

Last updated: June 24, 2025

In Winchester, United States, the average temperature in May hovers around 19°C (67°F), offering a mild climate. Expect temperatures to range from a chilly 0°C (32°F) to a warm 32°C (90°F). With an average precipitation of 118 mm (4.6 in) spread across 13 days, you may want to keep an umbrella handy. The air remains quite humid, with an average humidity level of 84%, contributing to that lush landscape we all love.

May Temperature in Winchester

In May in Winchester, the average temperature is 19°C (67°F). Maximum temperatures can reach 32°C (90°F), while minimums can drop as low as 0°C (32°F). Be prepared for a range of weather, from warm days to chilly nights, making it a great time to explore.

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 (67°F), with highs reaching up to 32°C (90°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec364148556773777671604541
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 118 mm (4.6 in) over a span 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 118 mm (4.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec99142131138118170969912111184129
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 84%. With an average temperature of 19°C (67°F), this humidity feels like a warm, sticky embrace that can make traveling somewhat uncomfortable, as the air becomes thick and heavy, often leaving you feeling fatigued and in need of constant hydration.

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 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%84%84%83%79%66%67%76%89%88%
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.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110109753
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 Weather2°C (36°F)99 mm (3.9 inches)88%moderate
February Weather5°C (41°F)142 mm (5.6 inches)88%moderate
March Weather9°C (48°F)131 mm (5.1 inches)87%high
April Weather13°C (56°F)138 mm (5.4 inches)84%very high
May Weather19°C (67°F)118 mm (4.6 inches)84%very high
June Weather23°C (73°F)170 mm (6.7 inches)83%extreme
July Weather25°C (78°F)96 mm (3.8 inches)79%very high
August Weather24°C (76°F)99 mm (3.9 inches)66%very high
September Weather22°C (71°F)121 mm (4.8 inches)67%very high
October Weather16°C (60°F)111 mm (4.4 inches)76%high
November Weather7°C (45°F)84 mm (3.3 inches)89%moderate
December Weather5°C (41°F)129 mm (5.1 inches)88%moderate

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