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March Weather in Winchester, United States

Last updated: June 24, 2025

In March, the average temperature in Winchester, United States hovers around 5°C (42°F). However, be prepared for a chill, as temperatures can dip to a brisk -14°C (7°F) or soar up to a warm 24°C (75°F). Expect to encounter 107 mm (4.2 in) of precipitation over approximately 13 days, contributing to an overall average humidity of 86%.

March Temperature in Winchester

In March in Winchester, the average temperature is 5°C (42°F), with maximums reaching 24°C (75°F) and minimums plummeting to -14°C (7°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates March 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, March typically has an average temperature of 5°C (42°F), with highs reaching up to 24°C (75°F) and lows dropping to around -14°C (7°F).
JanFebMarAprMayJunJulAugSepOctNovDec293241516372757368574135
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.

March Precipitation in Winchester

In Winchester in March, the total precipitation amount is 107 mm (4.2 in) distributed over a span of 13 days.

March Precipitation Trends in Winchester

The chart displays monthly precipitation patterns in Winchester, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Winchester, March typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec74941079813712110510184988472
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Winchester

In Winchester in March, humidity is 86%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that penetrates your layers, making outdoor activities quite uncomfortable and prompting you to seek warmth indoors more often.

March Average Humidity in Winchester

This chart illustrates the average monthly humidity levels in Winchester, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Winchester is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%86%87%81%82%81%79%78%81%89%86%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Winchester

In Winchester in March, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Winchester, you can refer to this Hourly UV Index in Winchester.

Maximum UV Index Levels in Winchester for March

The chart shows the monthly maximum UV Index (UVI) for Winchester in March, 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 March, the maximum UV index in Winchester typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098642
Data source: Winchester March 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 March 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 March’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 March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (30°F)74 mm (2.9 inches)85%moderate
February Weather0°C (32°F)94 mm (3.7 inches)85%moderate
March Weather5°C (42°F)107 mm (4.2 inches)86%high
April Weather11°C (51°F)98 mm (3.9 inches)87%very high
May Weather17°C (63°F)137 mm (5.4 inches)81%very high
June Weather22°C (72°F)121 mm (4.8 inches)82%extreme
July Weather24°C (76°F)105 mm (4.1 inches)81%very high
August Weather23°C (73°F)101 mm (4.0 inches)79%very high
September Weather20°C (69°F)84 mm (3.3 inches)78%very high
October Weather14°C (57°F)98 mm (3.9 inches)81%high
November Weather5°C (41°F)84 mm (3.3 inches)89%moderate
December Weather2°C (35°F)72 mm (2.8 inches)86%low

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