January Weather in Barnegat, United States

Last updated: June 24, 2025

In January, the average temperature in Barnegat, United States hovers around 3°C (37°F). Expect chilly moments with the minimum plunging to -16°C (3°F) and the occasional warm day reaching up to 21°C (70°F). With 67 mm (2.6 in) of precipitation spread over 8 days, the air feels quite humid, averaging about 83%. Be prepared for a mix of winter chill and fleeting warmth!

January Temperature in Barnegat

In January in Barnegat, the average temperature is 3°C (37°F), with maximums reaching up to 21°C (70°F) and minimums dropping as low as -16°C (3°F). This month offers a diverse range of temperatures, making it essential for travelers to prepare for both warm and cold weather conditions.

January Weather in Barnegat: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Barnegat, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barnegat, January typically has an average temperature of 3°C (37°F), with highs reaching up to 21°C (70°F) and lows dropping to around -16°C (3°F).

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

January Precipitation in Barnegat

In Barnegat in January, the total precipitation amount is 67 mm (2.6 in) over the course of 8 days.

January Precipitation Trends in Barnegat

The chart displays monthly precipitation patterns in Barnegat, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Barnegat, January typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 8 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Barnegat

In Barnegat in January, humidity is 83%. With an average temperature of 3°C (37°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and encouraging travelers to seek indoor attractions or cozy cafes.

January Average Humidity in Barnegat

This chart illustrates the average monthly humidity levels in Barnegat, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Barnegat is approximately 83%, offering insight into how humid the weather typically is during this month.

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

January UV Index in Barnegat

In Barnegat in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Barnegat, you can check the information here.

Maximum UV Index Levels in Barnegat for January

The chart shows the monthly maximum UV Index (UVI) for Barnegat in January, 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 January, the maximum UV index in Barnegat typically reaches 3, which falls under the moderate exposure category.

Data source: Barnegat January 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 January Weather in Barnegat Compares to Other Months

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

This table compares monthly weather conditions in Barnegat, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (37°F)	67 mm (2.6 inches)	83%	moderate
February Weather	4°C (40°F)	105 mm (4.1 inches)	82%	moderate
March Weather	7°C (45°F)	107 mm (4.2 inches)	81%	high
April Weather	12°C (54°F)	104 mm (4.1 inches)	79%	very high
May Weather	17°C (63°F)	112 mm (4.4 inches)	74%	very high
June Weather	23°C (73°F)	94 mm (3.7 inches)	77%	very high
July Weather	26°C (79°F)	140 mm (5.5 inches)	76%	very high
August Weather	25°C (77°F)	147 mm (5.8 inches)	77%	very high
September Weather	22°C (71°F)	109 mm (4.3 inches)	74%	very high
October Weather	17°C (62°F)	142 mm (5.6 inches)	75%	high
November Weather	9°C (49°F)	84 mm (3.3 inches)	80%	moderate
December Weather	5°C (42°F)	107 mm (4.2 inches)	81%	moderate