March Weather in Bethlehem, United States

Last updated: June 24, 2025

In Bethlehem, United States, the average temperature in March is a mild 13°C (56°F), with a range that can dip to a chilly -5°C (23°F) and peak at a warm 29°C (84°F). Expect approximately 130 mm (5.1 in) of precipitation over about 12 days, contributing to an average humidity of 83%. Prepare for a dynamic climate and stay comfortable!

March Temperature in Bethlehem

In March in Bethlehem, the average temperature is 13°C (56°F). Maximums can reach 29°C (84°F) and minimums can be as low as -5°C (23°F). This variability means travelers should be prepared for both warm days and chilly nights while exploring the area.

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 13°C (56°F), with highs reaching up to 29°C (84°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 130 mm (5.1 in) over a span of 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 130 mm (5.1 inches) of precipitation spread over approximately 12 days.

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

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Millimeters (mm) Inches (in)

March Humidity in Bethlehem

In Bethlehem in March humidity is 83%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making travel a bit uncomfortable as the air feels heavy and the moisture clings to your skin.

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 83%, 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	7°C (46°F)	108 mm (4.3 inches)	86%	moderate
February Weather	10°C (51°F)	147 mm (5.8 inches)	84%	high
March Weather	13°C (56°F)	130 mm (5.1 inches)	83%	very high
April Weather	17°C (62°F)	123 mm (4.8 inches)	81%	very high
May Weather	21°C (71°F)	125 mm (4.9 inches)	81%	extreme
June Weather	24°C (76°F)	127 mm (5.0 inches)	81%	extreme
July Weather	26°C (79°F)	118 mm (4.7 inches)	83%	extreme
August Weather	26°C (78°F)	147 mm (5.8 inches)	81%	very high
September Weather	23°C (75°F)	116 mm (4.6 inches)	82%	very high
October Weather	19°C (66°F)	141 mm (5.5 inches)	78%	very high
November Weather	11°C (52°F)	80 mm (3.1 inches)	86%	high
December Weather	9°C (48°F)	135 mm (5.3 inches)	89%	moderate