January Weather in Summerton, United States

Last updated: June 24, 2025

In January, the average temperature in Summerton, United States hovers around 10°C (50°F), with fluctuations that can see lows of -9°C (15°F) and highs reaching 27°C (80°F). This month experiences a total precipitation of 74 mm (2.9 in) over approximately 8 days, contributing to a notable average humidity of 86%.

January Temperature in Summerton

In January in Summerton, the average temperature is 10°C (50°F). Maximum temperatures can reach 27°C (80°F), while minimums can drop as low as -9°C (15°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates January temperature patterns in Summerton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Summerton, 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 -9°C (15°F).

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

January Precipitation in Summerton

In Summerton in January, the precipitation amount is 74 mm (2.9 in) over a period of 8 days.

January Precipitation Trends in Summerton

The chart displays monthly precipitation patterns in Summerton, 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 Summerton, January typically receives around 74 mm (2.9 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 Summerton

In Summerton 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 Summerton

This chart illustrates the average monthly humidity levels in Summerton, 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 Summerton 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 Summerton

In Summerton 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 Summerton for better planning.

Maximum UV Index Levels in Summerton for January

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

Data source: Summerton 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 Summerton Compares to Other Months

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

This table compares monthly weather conditions in Summerton, 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)	74 mm (2.9 inches)	86%	moderate
February Weather	13°C (55°F)	94 mm (3.7 inches)	81%	high
March Weather	15°C (59°F)	76 mm (3.0 inches)	81%	very high
April Weather	19°C (66°F)	105 mm (4.1 inches)	79%	very high
May Weather	23°C (74°F)	90 mm (3.5 inches)	75%	extreme
June Weather	26°C (79°F)	121 mm (4.8 inches)	75%	extreme
July Weather	27°C (82°F)	162 mm (6.4 inches)	80%	extreme
August Weather	27°C (81°F)	140 mm (5.5 inches)	81%	extreme
September Weather	25°C (77°F)	128 mm (5.0 inches)	83%	very high
October Weather	21°C (70°F)	56 mm (2.2 inches)	78%	very high
November Weather	13°C (56°F)	67 mm (2.6 inches)	85%	high
December Weather	11°C (52°F)	140 mm (5.5 inches)	87%	moderate