March Weather in Swarthmore, United States

Last updated: June 24, 2025

In March, the average temperature in Swarthmore, United States hovers around 7°C (44°F). Expect a chilly minimum of -11°C (12°F), while temperatures can soar to a maximum of 28°C (83°F). Be prepared for 107 mm (4.2 in) of precipitation spread over 10 days, accompanied by a high average humidity of 83%.

March Temperature in Swarthmore

In March in Swarthmore, the average temperature is 7°C (44°F), with maximums reaching up to 28°C (83°F) and minimums dropping as low as -11°C (12°F). Make sure to prepare for a wide range of temperatures when traveling during this time.

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

The chart illustrates March temperature patterns in Swarthmore, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Swarthmore, March typically has an average temperature of 7°C (44°F), with highs reaching up to 28°C (83°F) and lows dropping to around -11°C (12°F).
JanFebMarAprMayJunJulAugSepOctNovDec353944546473797771614639
Data source: Temperature data for Swarthmore 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 Swarthmore

In Swarthmore in March, the precipitation amount is 107 mm (4.2 in) accumulated over a period of 10 days.

March Precipitation Trends in Swarthmore

The chart displays monthly precipitation patterns in Swarthmore, 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 Swarthmore, March typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec631091071051331021311349310683100
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Swarthmore

In Swarthmore in March, humidity is 83%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making exploring outdoors somewhat uncomfortable and requiring extra layers to stay warm and dry.

March Average Humidity in Swarthmore

This chart illustrates the average monthly humidity levels in Swarthmore, 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 Swarthmore is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%83%81%78%79%74%72%75%81%85%84%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Swarthmore

In Swarthmore 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 Swarthmore, you can refer to this Hourly UV Index in Swarthmore.

Maximum UV Index Levels in Swarthmore for March

The chart shows the monthly maximum UV Index (UVI) for Swarthmore 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 Swarthmore typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
Data source: Swarthmore 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 Swarthmore Compares to Other Months

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

This table compares monthly weather conditions in Swarthmore, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)63 mm (2.5 inches)84%moderate
February Weather4°C (39°F)108 mm (4.3 inches)83%moderate
March Weather7°C (44°F)107 mm (4.2 inches)83%high
April Weather12°C (55°F)105 mm (4.1 inches)81%very high
May Weather18°C (65°F)133 mm (5.2 inches)78%very high
June Weather23°C (74°F)102 mm (4.0 inches)79%very high
July Weather26°C (79°F)131 mm (5.2 inches)74%very high
August Weather25°C (77°F)134 mm (5.3 inches)72%very high
September Weather22°C (71°F)93 mm (3.7 inches)75%very high
October Weather16°C (61°F)106 mm (4.2 inches)81%high
November Weather8°C (47°F)83 mm (3.3 inches)85%moderate
December Weather4°C (40°F)100 mm (4.0 inches)84%moderate

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