March Weather in Newcastle, United States

Last updated: June 24, 2025

In March, the average temperature in Newcastle, United States hovers around 3°C (37°F). Expect a wide range, with minimums plunging to -24°C (-11°F) and highs reaching a balmy 25°C (77°F). Prepare for some damp days, as precipitation totals around 31 mm (1.2 in) over the course of 7 days. The air might feel a bit heavy, with average humidity levels at 64%.

March Temperature in Newcastle

In March in Newcastle, the average temperature is 3°C (37°F), with maximums reaching 25°C (77°F) and minimums dropping as low as -24°C (-11°F). This wide temperature range makes it essential for travelers to prepare for both warm and cold conditions while enjoying their time in Newcastle.

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

The chart illustrates March temperature patterns in Newcastle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Newcastle, March typically has an average temperature of 3°C (37°F), with highs reaching up to 25°C (77°F) and lows dropping to around -24°C (-11°F).

Data source: Temperature data for Newcastle generated using information from the Copernicus Climate Change Service.

March Precipitation in Newcastle

In Newcastle in March, the precipitation amount is 31 mm (1.2 in) over the course of 7 days.

March Precipitation Trends in Newcastle

The chart displays monthly precipitation patterns in Newcastle, 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 Newcastle, March typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 7 days.

Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Newcastle

In Newcastle in March humidity is 64%. With average temperature 3°C (37°F), this humidity feels like a chilly dampness that lingers on your skin, making it essential to layer your clothing for travel.

March Average Humidity in Newcastle

This chart illustrates the average monthly humidity levels in Newcastle, 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 Newcastle is approximately 64%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Newcastle

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

Maximum UV Index Levels in Newcastle for March

The chart shows the monthly maximum UV Index (UVI) for Newcastle 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 Newcastle typically reaches 6, which falls under the high exposure category.

Data source: Newcastle 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 Newcastle Compares to Other Months

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

This table compares monthly weather conditions in Newcastle, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	15 mm (0.6 inches)	73%	moderate
February Weather	-6°C (22°F)	24 mm (1.0 inches)	78%	moderate
March Weather	3°C (37°F)	31 mm (1.2 inches)	64%	high
April Weather	6°C (43°F)	46 mm (1.8 inches)	66%	very high
May Weather	12°C (54°F)	63 mm (2.5 inches)	74%	very high
June Weather	20°C (68°F)	34 mm (1.3 inches)	84%	extreme
July Weather	24°C (75°F)	47 mm (1.8 inches)	85%	extreme
August Weather	22°C (71°F)	31 mm (1.2 inches)	85%	very high
September Weather	17°C (63°F)	30 mm (1.2 inches)	76%	very high
October Weather	7°C (44°F)	40 mm (1.6 inches)	71%	high
November Weather	2°C (36°F)	19 mm (0.8 inches)	73%	moderate
December Weather	-3°C (27°F)	24 mm (0.9 inches)	75%	low