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March Weather in Groton Long Point, United States

Last updated: June 24, 2025

In March, the average temperature in Groton Long Point, United States hovers around 4°C (39°F). Temperatures can dip to a chilly -9°C (16°F), while the mercury can rise to a pleasant 15°C (60°F). Expect about 108 mm (4.3 in) of precipitation over 9 days, and prepare for a high average humidity of 82%.

March Temperature in Groton Long Point

In March in Groton Long Point, the average temperature is 4°C (39°F). Maximums can reach 15°C (60°F) and minimums can be as low as -9°C (16°F). Be prepared for a range of temperatures when planning your travel to Groton Long Point during this month.

March Weather in Groton Long Point: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Groton Long Point, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Groton Long Point, March typically has an average temperature of 4°C (39°F), with highs reaching up to 15°C (60°F) and lows dropping to around -9°C (16°F).
JanFebMarAprMayJunJulAugSepOctNovDec353639465564727268604840
Data source: Temperature data for Groton Long Point 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 Groton Long Point

In Groton Long Point in March, the precipitation amount is 108 mm (4.3 in) spread over 9 days.

March Precipitation Trends in Groton Long Point

The chart displays monthly precipitation patterns in Groton Long Point, 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 Groton Long Point, March typically receives around 108 mm (4.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec8310910813611984115101101157113141
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Groton Long Point

In Groton Long Point in March, humidity is 82%. With an average temperature of 4°C (39°F), this humidity feels like a chill that seeps into your bones, making it uncomfortable for traveling as you find yourself bundled up, yet still damp and cold.

March Average Humidity in Groton Long Point

This chart illustrates the average monthly humidity levels in Groton Long Point, 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 Groton Long Point is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%82%79%75%78%76%76%76%75%80%80%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Groton Long Point

In Groton Long Point 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 Groton Long Point, you can refer to this Hourly UV Index in Groton Long Point.

Maximum UV Index Levels in Groton Long Point for March

The chart shows the monthly maximum UV Index (UVI) for Groton Long Point 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 Groton Long Point typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689101098642
Data source: Groton Long Point 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 Groton Long Point Compares to Other Months

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

This table compares monthly weather conditions in Groton Long Point, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)83 mm (3.3 inches)84%moderate
February Weather2°C (36°F)109 mm (4.3 inches)84%moderate
March Weather4°C (39°F)108 mm (4.3 inches)82%high
April Weather8°C (47°F)136 mm (5.3 inches)79%very high
May Weather13°C (55°F)119 mm (4.7 inches)75%very high
June Weather18°C (64°F)84 mm (3.3 inches)78%very high
July Weather22°C (72°F)115 mm (4.5 inches)76%very high
August Weather22°C (73°F)101 mm (4.0 inches)76%very high
September Weather20°C (68°F)101 mm (4.0 inches)75%very high
October Weather16°C (60°F)157 mm (6.2 inches)75%high
November Weather9°C (49°F)113 mm (4.4 inches)80%moderate
December Weather4°C (40°F)141 mm (5.6 inches)80%low

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