October Weather in Bethlehem, United States

Last updated: June 24, 2025

In October, the average temperature in Bethlehem, United States hovers around 19°C (66°F). You can expect a range from a chilly 1°C (34°F) to a sizzling 36°C (98°F). During this month, 141 mm (5.5 in) of rainfall can be anticipated over 9 days, contributing to an average humidity level of 78%. Prepare for a month that combines warmth with a touch of moisture!

October Temperature in Bethlehem

In October in Bethlehem, the average temperature is 19°C (66°F), with a maximum that can reach 36°C (98°F) and a minimum that can drop as low as 1°C (34°F). This diverse temperature range makes it essential for travelers to pack accordingly to fully enjoy their visit.

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

The chart illustrates October 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, October typically has an average temperature of 19°C (66°F), with highs reaching up to 36°C (98°F) and lows dropping to around 1°C (34°F).

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

October Precipitation in Bethlehem

In Bethlehem in October, the precipitation amount is 141 mm (5.5 in) distributed over 9 days.

October Precipitation Trends in Bethlehem

The chart displays monthly precipitation patterns in Bethlehem, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Bethlehem, October typically receives around 141 mm (5.5 inches) of precipitation spread over approximately 9 days.

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

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Millimeters (mm) Inches (in)

October Humidity in Bethlehem

In Bethlehem in October, humidity is 78%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making traveling quite uncomfortable unless you're well-prepared with lightweight, breathable clothing and frequent breaks to stay hydrated.

October Average Humidity in Bethlehem

This chart illustrates the average monthly humidity levels in Bethlehem, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Bethlehem is approximately 78%, offering insight into how humid the weather typically is during this month.

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

October UV Index in Bethlehem

In Bethlehem in October, 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 October

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

Data source: Bethlehem October 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 October 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 October’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 October’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