May Weather in Winchester, United States

Last updated: June 24, 2025

In Winchester, United States, the average temperature in May hovers around 25°C (76°F). Expect a range where the minimum can dip to 9°C (49°F), while the maximum can reach a scorching 41°C (106°F). During this month, you can anticipate precipitation of about 6 mm (0.2 in) over a span of 1 day, with an average humidity of 48%.

May Temperature in Winchester

In May in Winchester, the average temperature is 25°C (76°F). Maximum temperatures can reach 41°C (106°F), while minimums can drop as low as 9°C (49°F). This makes Winchester a great destination for travelers seeking warm weather, but it's advisable to be prepared for significant temperature fluctuations.

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 25°C (76°F), with highs reaching up to 41°C (106°F) and lows dropping to around 9°C (49°F).

Data source: Temperature data for Winchester generated using information from the Copernicus Climate Change Service.

May Precipitation in Winchester

In Winchester in May, the precipitation amount is 6 mm (0.2 in) over the course of 1 day.

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 6 mm (0.2 inches) of precipitation spread over approximately 1 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Winchester

In Winchester in May humidity is 48%. With an average temperature of 25°C (76°F), this humidity feels like a warm embrace; while it's comfortable enough for strolling around, be prepared for a slight stickiness that can make long walks a bit more tiring.

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 48%, offering insight into how humid the weather typically is during this month.

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 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, 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 11, which falls under the extreme exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	19 mm (0.8 inches)	81%	moderate
February Weather	11°C (52°F)	20 mm (0.8 inches)	84%	high
March Weather	15°C (60°F)	17 mm (0.7 inches)	76%	very high
April Weather	21°C (70°F)	3 mm (0.1 inches)	64%	very high
May Weather	25°C (76°F)	6 mm (0.2 inches)	48%	extreme
June Weather	32°C (89°F)	1 mm (0.0 inches)	40%	extreme
July Weather	34°C (94°F)	13 mm (0.5 inches)	33%	extreme
August Weather	34°C (93°F)	5 mm (0.2 inches)	29%	extreme
September Weather	29°C (84°F)	2 mm (0.1 inches)	43%	very high
October Weather	20°C (69°F)	3 mm (0.1 inches)	61%	high
November Weather	15°C (59°F)	13 mm (0.5 inches)	76%	moderate
December Weather	9°C (49°F)	13 mm (0.5 inches)	78%	moderate