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March Weather in Winthrop, United States

Last updated: June 24, 2025

In Winthrop, United States, the average temperature in March hovers around -1°C (31°F), with fluctuations that can see lows of -20°C (-3°F) and highs reaching 22°C (72°F). During this month, expect about 91 mm (3.6 in) of precipitation spread over 13 days. The air is notably humid, with an average humidity level of 86%, making for a chilly yet captivating atmosphere.

March Temperature in Winthrop

In March in Winthrop, the average temperature is -1°C (31°F). Maximum temperatures can reach 22°C (72°F), while the minimum can drop as low as -20°C (-3°F). This wide range of temperatures means that travelers should prepare for both warm and cold weather scenarios.

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

The chart illustrates March temperature patterns in Winthrop, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Winthrop, March typically has an average temperature of -1°C (31°F), with highs reaching up to 22°C (72°F) and lows dropping to around -20°C (-3°F).
JanFebMarAprMayJunJulAugSepOctNovDec202330445765716961503526
Data source: Temperature data for Winthrop 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 Winthrop

In Winthrop in March, the precipitation amount is 91 mm (3.6 in) spread over 13 days.

March Precipitation Trends in Winthrop

The chart displays monthly precipitation patterns in Winthrop, 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 Winthrop, March typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec9086911231101041191077314811688
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Winthrop

In Winthrop in March humidity is 86%. With an average temperature of -1°C (31°F), this humidity feels like an eerie chill enveloping you, making travel uncomfortable as the damp air bites into your skin and the cold seeps through even the warmest of clothes, creating an atmosphere that is heavy and uninviting.

March Average Humidity in Winthrop

This chart illustrates the average monthly humidity levels in Winthrop, 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 Winthrop is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%86%85%80%74%76%75%78%86%89%89%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Winthrop

In Winthrop in March, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Winthrop.

Maximum UV Index Levels in Winthrop for March

The chart shows the monthly maximum UV Index (UVI) for Winthrop 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 Winthrop typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245899997532
Data source: Winthrop 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 Winthrop Compares to Other Months

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

This table compares monthly weather conditions in Winthrop, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)90 mm (3.6 inches)93%low
February Weather-5°C (23°F)86 mm (3.4 inches)92%moderate
March Weather-1°C (31°F)91 mm (3.6 inches)86%moderate
April Weather6°C (44°F)123 mm (4.8 inches)85%very high
May Weather14°C (57°F)110 mm (4.3 inches)80%very high
June Weather19°C (66°F)104 mm (4.1 inches)74%very high
July Weather22°C (71°F)119 mm (4.7 inches)76%very high
August Weather20°C (69°F)107 mm (4.2 inches)75%very high
September Weather16°C (61°F)73 mm (2.9 inches)78%high
October Weather10°C (51°F)148 mm (5.8 inches)86%moderate
November Weather2°C (35°F)116 mm (4.6 inches)88%moderate
December Weather-3°C (26°F)88 mm (3.5 inches)89%low

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