January Weather in DeCordova, United States

Last updated: June 24, 2025

In DeCordova, United States, the average temperature in January is a cool 8°C (47°F), with a range that can dip as low as -12°C (12°F) and peak at 27°C (82°F). Expect about 44 mm (1.7 in) of precipitation over approximately 6 days, contributing to an average humidity of 77%.

January Temperature in DeCordova

In January in DeCordova, the average temperature is 8°C (47°F), with maximums reaching 27°C (82°F) and minimums dropping as low as -12°C (12°F). Be prepared for a wide range of temperatures when planning your travel to DeCordova during this time.

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

The chart illustrates January temperature patterns in DeCordova, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In DeCordova, January typically has an average temperature of 8°C (47°F), with highs reaching up to 27°C (82°F) and lows dropping to around -12°C (12°F).

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

January Precipitation in DeCordova

In DeCordova in January, the total precipitation amount is 44 mm (1.7 in) spread over 6 days.

January Precipitation Trends in DeCordova

The chart displays monthly precipitation patterns in DeCordova, 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 DeCordova, January typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 6 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 DeCordova

In DeCordova in January, humidity is 77%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that can make even short walks outside feel uncomfortable, often clinging to your skin and making you long for warmer, drier conditions.

January Average Humidity in DeCordova

This chart illustrates the average monthly humidity levels in DeCordova, 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 DeCordova is approximately 77%, 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 DeCordova

In DeCordova 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 DeCordova for better planning.

Maximum UV Index Levels in DeCordova for January

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

Data source: DeCordova 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 DeCordova Compares to Other Months

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

This table compares monthly weather conditions in DeCordova, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (47°F)	44 mm (1.7 inches)	77%	moderate
February Weather	10°C (49°F)	79 mm (3.1 inches)	76%	high
March Weather	16°C (61°F)	84 mm (3.3 inches)	74%	very high
April Weather	19°C (66°F)	90 mm (3.5 inches)	75%	very high
May Weather	24°C (75°F)	127 mm (5.0 inches)	80%	extreme
June Weather	28°C (82°F)	82 mm (3.2 inches)	80%	extreme
July Weather	30°C (86°F)	38 mm (1.5 inches)	75%	extreme
August Weather	29°C (85°F)	84 mm (3.3 inches)	67%	extreme
September Weather	26°C (79°F)	76 mm (3.0 inches)	64%	very high
October Weather	20°C (68°F)	121 mm (4.8 inches)	70%	very high
November Weather	14°C (57°F)	44 mm (1.7 inches)	82%	high
December Weather	11°C (52°F)	46 mm (1.8 inches)	85%	moderate