January Weather in Barnwell, United States

Last updated: June 24, 2025

In January, the average temperature in Barnwell, United States hovers around 10°C (50°F). Be prepared for a temperature range that can dip as low as -8°C (18°F) and soar to a pleasant 27°C (80°F). During this month, expect 85 mm (3.3 in) of precipitation spread over 8 days, with an average humidity of a high 86%.

January Temperature in Barnwell

In January in Barnwell, the average temperature is 10°C (50°F), with maximums reaching up to 27°C (80°F) and minimums dropping as low as -8°C (18°F). Be prepared for a wide range of temperatures when traveling to Barnwell during this month.

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

The chart illustrates January temperature patterns in Barnwell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barnwell, January typically has an average temperature of 10°C (50°F), with highs reaching up to 27°C (80°F) and lows dropping to around -8°C (18°F).

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

January Precipitation in Barnwell

In Barnwell in January, the precipitation amount is 85 mm (3.3 in) over the course of 8 days.

January Precipitation Trends in Barnwell

The chart displays monthly precipitation patterns in Barnwell, 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 Barnwell, January typically receives around 85 mm (3.3 inches) of precipitation spread over approximately 8 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Barnwell

In Barnwell in January humidity is 86%. With an average temperature of 10°C (50°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities uncomfortable and sticky, which can dampen the spirit of travel.

January Average Humidity in Barnwell

This chart illustrates the average monthly humidity levels in Barnwell, 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 Barnwell is approximately 86%, 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 Barnwell

In Barnwell in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Barnwell for better planning.

Maximum UV Index Levels in Barnwell for January

The chart shows the monthly maximum UV Index (UVI) for Barnwell 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 Barnwell typically reaches 4, which falls under the moderate exposure category.

Data source: Barnwell 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 Barnwell Compares to Other Months

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

This table compares monthly weather conditions in Barnwell, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	85 mm (3.3 inches)	86%	moderate
February Weather	13°C (55°F)	106 mm (4.2 inches)	81%	high
March Weather	15°C (60°F)	76 mm (3.0 inches)	81%	very high
April Weather	19°C (66°F)	110 mm (4.3 inches)	79%	very high
May Weather	23°C (74°F)	99 mm (3.9 inches)	75%	extreme
June Weather	26°C (79°F)	126 mm (4.9 inches)	75%	extreme
July Weather	28°C (82°F)	143 mm (5.6 inches)	80%	extreme
August Weather	27°C (81°F)	137 mm (5.4 inches)	81%	extreme
September Weather	26°C (78°F)	88 mm (3.4 inches)	83%	very high
October Weather	21°C (70°F)	72 mm (2.8 inches)	78%	very high
November Weather	13°C (56°F)	61 mm (2.4 inches)	85%	high
December Weather	11°C (52°F)	128 mm (5.1 inches)	87%	moderate