nomadseason

March Weather in New Castle, United States

Last updated: June 24, 2025

In New Castle, United States during March, the average temperature hovers around 1°C (33°F). Expect chilly moments with minimums dipping to -17°C (1°F) and maximums rising to 16°C (60°F). Precipitation averages 61 mm (2.4 in) over 11 days, complementing the average humidity of 81%. Prepare for a brisk, damp experience!

March Temperature in New Castle

In March in New Castle, the average temperature is 1°C (33°F), with maximums reaching 16°C (60°F) and minimums plummeting as low as -17°C (1°F). Travelers should be prepared for a wide temperature range, ensuring they pack appropriately for both cold and milder conditions.

March Weather in New Castle: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in New Castle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In New Castle, March typically has an average temperature of 1°C (33°F), with highs reaching up to 16°C (60°F) and lows dropping to around -17°C (1°F).
JanFebMarAprMayJunJulAugSepOctNovDec212533395063706860433121
Data source: Temperature data for New Castle generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in New Castle

In New Castle in March, the total precipitation amount is 61 mm (2.4 in) over the course of 11 days.

March Precipitation Trends in New Castle

The chart displays monthly precipitation patterns in New Castle, 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 New Castle, March typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec557361484418131318604055
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

March Humidity in New Castle

In New Castle in March humidity is 81%. With an average temperature of 1°C (33°F), this humidity feels like a biting chill that clings to your skin, making every step outside feel damp and uncomfortable for traveling.

March Average Humidity in New Castle

This chart illustrates the average monthly humidity levels in New Castle, 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 New Castle is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%81%74%58%47%39%39%53%72%84%90%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in New Castle

In New Castle in March, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in New Castle.

Maximum UV Index Levels in New Castle for March

The chart shows the monthly maximum UV Index (UVI) for New Castle 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 New Castle typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469121213121210754
Data source: New Castle 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 New Castle Compares to Other Months

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

This table compares monthly weather conditions in New Castle, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)55 mm (2.2 inches)90%moderate
February Weather-4°C (25°F)73 mm (2.9 inches)89%high
March Weather1°C (33°F)61 mm (2.4 inches)81%very high
April Weather4°C (39°F)48 mm (1.9 inches)74%extreme
May Weather10°C (50°F)43 mm (1.7 inches)58%extreme
June Weather17°C (63°F)18 mm (0.7 inches)47%extreme
July Weather21°C (70°F)13 mm (0.5 inches)39%extreme
August Weather20°C (68°F)13 mm (0.5 inches)39%extreme
September Weather16°C (60°F)18 mm (0.7 inches)53%very high
October Weather6°C (43°F)60 mm (2.4 inches)72%high
November Weather0°C (32°F)39 mm (1.6 inches)84%moderate
December Weather-6°C (22°F)55 mm (2.2 inches)90%moderate

Compare New Castle's Climate with Cities Worldwide