March Weather in Wellesley, United States

Last updated: June 24, 2025

In March, the average temperature in Wellesley, United States hovers around 3°C (38°F). Temperatures can swing widely, with a minimum of -14°C (6°F) and a maximum reaching 22°C (72°F). Be prepared for some wet days, as 94 mm (3.7 in) of precipitation typically falls over 9 days. With an average humidity of 82%, the season can feel quite damp.

March Temperature in Wellesley

In March in Wellesley, the average temperature is 3°C (38°F), with maximums reaching up to 22°C (72°F) and minimums dropping as low as -14°C (6°F). This diverse temperature range makes it essential for travelers to pack layers to stay comfortable during their visit.

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

The chart illustrates March temperature patterns in Wellesley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wellesley, March typically has an average temperature of 3°C (38°F), with highs reaching up to 22°C (72°F) and lows dropping to around -14°C (6°F).
JanFebMarAprMayJunJulAugSepOctNovDec313338485969747366564334
Data source: Temperature data for Wellesley 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 Wellesley

In Wellesley in March, the precipitation amount reaches 94 mm (3.7 in) over the course of 9 days.

March Precipitation Trends in Wellesley

The chart displays monthly precipitation patterns in Wellesley, 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 Wellesley, March typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec7186941269087126848413895118
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Wellesley

In Wellesley in March humidity is 82%. With an average temperature of 3°C (38°F), this humidity feels like a chilly blanket wrapped around you, making outdoor adventures quite uncomfortable and requiring extra layers to stay warm while exploring.

March Average Humidity in Wellesley

This chart illustrates the average monthly humidity levels in Wellesley, 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 Wellesley is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Wellesley

In Wellesley 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 Wellesley.

Maximum UV Index Levels in Wellesley for March

The chart shows the monthly maximum UV Index (UVI) for Wellesley 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 Wellesley typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3558910997642
Data source: Wellesley 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 Wellesley Compares to Other Months

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

This table compares monthly weather conditions in Wellesley, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)70 mm (2.8 inches)86%moderate
February Weather1°C (34°F)86 mm (3.4 inches)84%moderate
March Weather3°C (38°F)94 mm (3.7 inches)82%moderate
April Weather9°C (49°F)126 mm (5.0 inches)80%very high
May Weather15°C (59°F)90 mm (3.5 inches)72%very high
June Weather20°C (69°F)87 mm (3.4 inches)72%very high
July Weather23°C (74°F)126 mm (5.0 inches)67%very high
August Weather23°C (74°F)84 mm (3.3 inches)66%very high
September Weather19°C (67°F)84 mm (3.3 inches)71%high
October Weather13°C (56°F)138 mm (5.4 inches)78%high
November Weather6°C (43°F)95 mm (3.7 inches)84%moderate
December Weather1°C (35°F)118 mm (4.6 inches)81%low

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