December Weather in Summerton, United States

Last updated: June 24, 2025

In December, the average temperature in Summerton, United States hovers around 11°C (52°F), offering a mild climate for exploration. Expect temperatures to swing from a brisk -5°C (23°F) to a warm 26°C (80°F). Be prepared for 140 mm (5.5 in) of precipitation spread across 9 days, contributing to an average humidity level of 87%. Stay cozy and enjoy the unique charm this season brings!

December Temperature in Summerton

In December in Summerton, the average temperature is 11°C (52°F), with maximums reaching 26°C (80°F) and minimums dropping as low as -5°C (23°F). This variability in temperature makes it essential for travelers to pack layers to comfortably enjoy their visit.

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

The chart illustrates December 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, December typically has an average temperature of 11°C (52°F), with highs reaching up to 26°C (80°F) and lows dropping to around -5°C (23°F).

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

December Precipitation in Summerton

In Summerton in December, the total precipitation amount is 140 mm (5.5 in) spread over a span of 9 days.

December Precipitation Trends in Summerton

The chart displays monthly precipitation patterns in Summerton, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Summerton, December typically receives around 140 mm (5.5 inches) of precipitation spread over approximately 9 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

December Humidity in Summerton

In Summerton in December, humidity is 87%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make your clothes cling uncomfortably, leaving you feeling slightly weighed down while exploring the area.

December Average Humidity in Summerton

This chart illustrates the average monthly humidity levels in Summerton, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Summerton is approximately 87%, offering insight into how humid the weather typically is during this month.

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

December UV Index in Summerton

In Summerton in December, 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 December

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

Data source: Summerton December 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 December 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 December’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 December’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