January Weather in Danbury, United States

Last updated: June 24, 2025

In January, the average temperature in Danbury, United States hovers around 4°C (40°F). Expect a chill in the air, with minimum temperatures dipping to -14°C (7°F), while highs can reach up to 22°C (72°F). The region experiences 81 mm (3.2 in) of precipitation over approximately 9 days, accompanied by a high average humidity of 87%. Prepare accordingly for a mix of weather!

January Temperature in Danbury

In January in Danbury, the average temperature is 4°C (40°F), with maximums reaching 22°C (72°F) and minimums dropping as low as -14°C (7°F). This range makes it essential for travelers to pack layers to stay comfortable during their visit.

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

The chart illustrates January temperature patterns in Danbury, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Danbury, January typically has an average temperature of 4°C (40°F), with highs reaching up to 22°C (72°F) and lows dropping to around -14°C (7°F).

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

January Precipitation in Danbury

In Danbury in January, the precipitation amount is 81 mm (3.2 in) spread over a duration of 9 days.

January Precipitation Trends in Danbury

The chart displays monthly precipitation patterns in Danbury, 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 Danbury, January typically receives around 81 mm (3.2 inches) of precipitation spread over approximately 9 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 Danbury

In Danbury in January humidity is 87%. With an average temperature of 4°C (40°F), this humidity feels like an uncomfortable chill that seeps into your bones, making it essential to dress warmly and prepare for damp conditions, which can dampen your spirits while traveling.

January Average Humidity in Danbury

This chart illustrates the average monthly humidity levels in Danbury, 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 Danbury is approximately 87%, 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 Danbury

In Danbury 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 Danbury for better planning.

Maximum UV Index Levels in Danbury for January

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

Data source: Danbury 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 Danbury Compares to Other Months

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

This table compares monthly weather conditions in Danbury, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	81 mm (3.2 inches)	87%	moderate
February Weather	7°C (45°F)	118 mm (4.7 inches)	87%	high
March Weather	10°C (50°F)	80 mm (3.2 inches)	86%	very high
April Weather	15°C (59°F)	136 mm (5.3 inches)	84%	very high
May Weather	19°C (67°F)	129 mm (5.1 inches)	83%	very high
June Weather	23°C (74°F)	90 mm (3.5 inches)	83%	extreme
July Weather	26°C (79°F)	73 mm (2.9 inches)	79%	very high
August Weather	25°C (76°F)	105 mm (4.1 inches)	66%	very high
September Weather	22°C (72°F)	133 mm (5.2 inches)	68%	very high
October Weather	17°C (62°F)	123 mm (4.8 inches)	78%	very high
November Weather	9°C (48°F)	85 mm (3.3 inches)	89%	moderate
December Weather	6°C (44°F)	109 mm (4.3 inches)	86%	moderate