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March Weather in Lake Ronkonkoma, United States

Last updated: June 24, 2025

In March, the average temperature in Lake Ronkonkoma, United States hovers around 5°C (41°F), with minimums dipping to -7°C (19°F) and soaring to maximums of 19°C (66°F). Expect about 107 mm (4.2 in) of precipitation over 10 days, accompanied by a relatively high humidity level of 81%. Make sure to layer up and prepare for varying weather!

March Temperature in Lake Ronkonkoma

In March in Lake Ronkonkoma, the average temperature is 5°C (41°F). Maximum temperatures can reach 19°C (66°F), while minimums can drop to as low as -7°C (19°F). Be sure to pack for a range of weather conditions when traveling during this time.

March Weather in Lake Ronkonkoma: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Lake Ronkonkoma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lake Ronkonkoma, March typically has an average temperature of 5°C (41°F), with highs reaching up to 19°C (66°F) and lows dropping to around -7°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec363740485768757570614941
Data source: Temperature data for Lake Ronkonkoma 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 Lake Ronkonkoma

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

March Precipitation Trends in Lake Ronkonkoma

The chart displays monthly precipitation patterns in Lake Ronkonkoma, 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 Lake Ronkonkoma, March typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec831181071301238613010996142105138
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Lake Ronkonkoma

In Lake Ronkonkoma in March, humidity is 81%. With an average temperature of 5°C (41°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor exploration uncomfortable and requiring warm, waterproof clothing to stay comfortable while traveling.

March Average Humidity in Lake Ronkonkoma

This chart illustrates the average monthly humidity levels in Lake Ronkonkoma, 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 Lake Ronkonkoma is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Lake Ronkonkoma

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

Maximum UV Index Levels in Lake Ronkonkoma for March

The chart shows the monthly maximum UV Index (UVI) for Lake Ronkonkoma 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 Lake Ronkonkoma typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Lake Ronkonkoma 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 Lake Ronkonkoma Compares to Other Months

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

This table compares monthly weather conditions in Lake Ronkonkoma, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)82 mm (3.2 inches)84%moderate
February Weather3°C (37°F)118 mm (4.6 inches)82%moderate
March Weather5°C (41°F)107 mm (4.2 inches)81%high
April Weather9°C (49°F)130 mm (5.1 inches)78%very high
May Weather14°C (58°F)123 mm (4.9 inches)69%very high
June Weather20°C (68°F)86 mm (3.4 inches)69%very high
July Weather24°C (76°F)130 mm (5.1 inches)62%very high
August Weather24°C (75°F)109 mm (4.3 inches)65%very high
September Weather21°C (70°F)96 mm (3.8 inches)68%very high
October Weather16°C (61°F)142 mm (5.6 inches)74%high
November Weather9°C (49°F)105 mm (4.1 inches)82%moderate
December Weather5°C (41°F)138 mm (5.4 inches)80%low

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