January Weather in Georgetown, United States

Last updated: June 24, 2025

In Georgetown, United States, the average temperature in January hovers around 10°C (50°F). Expect a chilly minimum of -7°C (19°F), while the mercury can soar to a comfortable 27°C (82°F). With a total precipitation of 104 mm (4.1 in) spread over 9 days, and an average humidity level of 83%, be prepared for a mix of mild and damp weather!

January Temperature in Georgetown

In January in Georgetown, the average temperature is 10°C (50°F), with maximums reaching up to 27°C (82°F) and minimums dropping as low as -7°C (19°F). This diverse temperature range makes it essential for travelers to pack for both warm and cold conditions.

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

The chart illustrates January temperature patterns in Georgetown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Georgetown, January typically has an average temperature of 10°C (50°F), with highs reaching up to 27°C (82°F) and lows dropping to around -7°C (19°F).

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

January Precipitation in Georgetown

In Georgetown in January, the precipitation amount is 104 mm (4.1 in) over the course of 9 days.

January Precipitation Trends in Georgetown

The chart displays monthly precipitation patterns in Georgetown, 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 Georgetown, January typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 9 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 Georgetown

In Georgetown in January, humidity is 83%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration less comfortable and prompting visitors to seek cozy indoor activities.

January Average Humidity in Georgetown

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

In Georgetown 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 Georgetown for better planning.

Maximum UV Index Levels in Georgetown for January

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

Data source: Georgetown 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 Georgetown Compares to Other Months

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

This table compares monthly weather conditions in Georgetown, 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)	104 mm (4.1 inches)	83%	moderate
February Weather	14°C (57°F)	108 mm (4.3 inches)	82%	high
March Weather	16°C (61°F)	91 mm (3.6 inches)	79%	very high
April Weather	19°C (66°F)	116 mm (4.6 inches)	77%	very high
May Weather	24°C (75°F)	99 mm (3.9 inches)	74%	extreme
June Weather	26°C (79°F)	102 mm (4.0 inches)	70%	extreme
July Weather	28°C (82°F)	109 mm (4.3 inches)	78%	extreme
August Weather	27°C (81°F)	114 mm (4.5 inches)	78%	extreme
September Weather	26°C (79°F)	106 mm (4.2 inches)	79%	very high
October Weather	21°C (71°F)	111 mm (4.4 inches)	74%	very high
November Weather	14°C (57°F)	58 mm (2.3 inches)	83%	high
December Weather	11°C (53°F)	129 mm (5.1 inches)	86%	moderate