March Weather in Bethlehem, United States

Last updated: June 24, 2025

In March, the average temperature in Bethlehem, United States hovers around 11°C (52°F). Expect a minimum chill of -5°C (23°F) and a possible peak at 29°C (85°F). Be prepared for 97 mm (3.8 in) of precipitation over 12 days, and note that average humidity is quite high at 84%.

March Temperature in Bethlehem

In March in Bethlehem, the average temperature is 11°C (52°F). Maximums can reach 29°C (85°F), and minimums can be as low as -5°C (23°F). Travelers should be prepared for a wide range of temperatures, making layering essential for comfort during their visit.

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

The chart illustrates March temperature patterns in Bethlehem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bethlehem, March typically has an average temperature of 11°C (52°F), with highs reaching up to 29°C (85°F) and lows dropping to around -5°C (23°F).

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

March Precipitation in Bethlehem

In Bethlehem in March, the precipitation amount is 97 mm (3.8 in) spread over 12 days.

March Precipitation Trends in Bethlehem

The chart displays monthly precipitation patterns in Bethlehem, 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 Bethlehem, March typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 12 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 Bethlehem

In Bethlehem in March, humidity is 84%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket, making it uncomfortable for traveling as the dampness clings to your skin and can leave you feeling sluggish and fatigued.

March Average Humidity in Bethlehem

This chart illustrates the average monthly humidity levels in Bethlehem, 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 Bethlehem is approximately 84%, 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 Bethlehem

In Bethlehem in March, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Bethlehem.

Maximum UV Index Levels in Bethlehem for March

The chart shows the monthly maximum UV Index (UVI) for Bethlehem 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 Bethlehem typically reaches 8, which falls under the very high exposure category.

Data source: Bethlehem 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 Bethlehem Compares to Other Months

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

This table compares monthly weather conditions in Bethlehem, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	87 mm (3.4 inches)	86%	moderate
February Weather	8°C (47°F)	121 mm (4.8 inches)	85%	high
March Weather	11°C (52°F)	97 mm (3.8 inches)	84%	very high
April Weather	15°C (60°F)	119 mm (4.7 inches)	82%	very high
May Weather	20°C (69°F)	124 mm (4.9 inches)	83%	very high
June Weather	24°C (75°F)	93 mm (3.6 inches)	82%	extreme
July Weather	26°C (79°F)	81 mm (3.2 inches)	80%	extreme
August Weather	25°C (77°F)	114 mm (4.5 inches)	74%	very high
September Weather	22°C (73°F)	126 mm (4.9 inches)	75%	very high
October Weather	17°C (63°F)	120 mm (4.7 inches)	79%	very high
November Weather	9°C (49°F)	87 mm (3.4 inches)	87%	moderate
December Weather	7°C (45°F)	116 mm (4.6 inches)	87%	moderate