December Weather in Irwinton, United States

Last updated: June 24, 2025

In Irwinton, United States, the average temperature in December hovers around 11°C (52°F), making it a cool time of year. Be prepared for temperature fluctuations, as lows can dip to -5°C (23°F) and highs may reach up to 25°C (78°F). Expect a fair share of moisture, with approximately 120 mm (4.7 in) of precipitation spread over about 10 days. Additionally, the air tends to feel quite humid, with an average humidity level of 89%.

December Temperature in Irwinton

In December in Irwinton, the average temperature is 11°C (52°F), with maximums reaching 25°C (78°F) and minimums plunging as low as -5°C (23°F). This wide range of temperatures makes Irwinton a versatile destination for travelers, offering opportunities for both outdoor adventures and cozy indoor experiences.

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

The chart illustrates December temperature patterns in Irwinton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Irwinton, December typically has an average temperature of 11°C (52°F), with highs reaching up to 25°C (78°F) and lows dropping to around -5°C (23°F).

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

December Precipitation in Irwinton

In Irwinton in December, the precipitation amount is 120 mm (4.7 in) spread over a duration of 10 days.

December Precipitation Trends in Irwinton

The chart displays monthly precipitation patterns in Irwinton, 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 Irwinton, December typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 10 days.

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

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Millimeters (mm) Inches (in)

December Humidity in Irwinton

In Irwinton in December humidity is 89%. With an average temperature of 11°C (52°F), this humidity feels like a cool mist clinging to your skin, making outdoor activities feel damp and chilly, so it's essential to dress in layers and be prepared for a brisk experience while traveling.

December Average Humidity in Irwinton

This chart illustrates the average monthly humidity levels in Irwinton, 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 Irwinton is approximately 89%, 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 Irwinton

In Irwinton 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 Irwinton for better planning.

Maximum UV Index Levels in Irwinton for December

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

Data source: Irwinton 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 Irwinton Compares to Other Months

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

This table compares monthly weather conditions in Irwinton, 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)	98 mm (3.9 inches)	86%	moderate
February Weather	13°C (55°F)	112 mm (4.4 inches)	84%	high
March Weather	15°C (60°F)	75 mm (3.0 inches)	83%	very high
April Weather	19°C (66°F)	96 mm (3.8 inches)	81%	very high
May Weather	23°C (74°F)	92 mm (3.6 inches)	81%	extreme
June Weather	26°C (79°F)	125 mm (4.9 inches)	81%	extreme
July Weather	28°C (82°F)	103 mm (4.1 inches)	83%	extreme
August Weather	27°C (81°F)	119 mm (4.7 inches)	81%	extreme
September Weather	25°C (78°F)	106 mm (4.2 inches)	82%	very high
October Weather	21°C (70°F)	97 mm (3.8 inches)	78%	very high
November Weather	13°C (56°F)	74 mm (2.9 inches)	86%	high
December Weather	11°C (52°F)	120 mm (4.7 inches)	89%	moderate