January Weather in Centereach, United States

Last updated: June 24, 2025

In Centereach, United States, the average temperature in January hovers around 2°C (36°F). During this month, temperatures can dip as low as -13°C (8°F) and reach a maximum of 15°C (60°F). Expect about 80 mm (3.1 in) of precipitation spread over 8 days, while the average humidity remains relatively high at 84%. Enjoy the unique weather this season has to offer!

January Temperature in Centereach

In January in Centereach, the average temperature is 2°C (36°F). Maximum temperatures can reach 15°C (60°F), while the minimum can drop as low as -13°C (8°F). Travelers should be prepared for a wide range of temperatures and dress accordingly for both chilly days and milder weather.

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

The chart illustrates January temperature patterns in Centereach, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Centereach, January typically has an average temperature of 2°C (36°F), with highs reaching up to 15°C (60°F) and lows dropping to around -13°C (8°F).

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

January Precipitation in Centereach

In Centereach in January, the precipitation amount is 80 mm (3.1 in) over a period of 8 days.

January Precipitation Trends in Centereach

The chart displays monthly precipitation patterns in Centereach, 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 Centereach, January typically receives around 80 mm (3.1 inches) of precipitation spread over approximately 8 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 Centereach

In Centereach in January, humidity is 84%. With an average temperature of 2°C (36°F), this humidity feels like a cold, damp blanket wrapping around you, making outdoor activities less inviting and requiring extra layers to stay comfortable while traveling.

January Average Humidity in Centereach

This chart illustrates the average monthly humidity levels in Centereach, 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 Centereach is approximately 84%, 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 Centereach

In Centereach in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Centereach, you can check the information here.

Maximum UV Index Levels in Centereach for January

The chart shows the monthly maximum UV Index (UVI) for Centereach 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 Centereach typically reaches 3, which falls under the moderate exposure category.

Data source: Centereach 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 Centereach Compares to Other Months

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

This table compares monthly weather conditions in Centereach, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (36°F)	80 mm (3.1 inches)	84%	moderate
February Weather	3°C (37°F)	108 mm (4.3 inches)	82%	moderate
March Weather	5°C (41°F)	106 mm (4.2 inches)	81%	high
April Weather	9°C (49°F)	125 mm (4.9 inches)	78%	very high
May Weather	14°C (57°F)	117 mm (4.6 inches)	69%	very high
June Weather	20°C (67°F)	77 mm (3.0 inches)	69%	very high
July Weather	24°C (75°F)	113 mm (4.5 inches)	62%	very high
August Weather	24°C (75°F)	101 mm (4.0 inches)	65%	very high
September Weather	21°C (70°F)	91 mm (3.6 inches)	68%	very high
October Weather	16°C (62°F)	137 mm (5.4 inches)	74%	high
November Weather	10°C (50°F)	103 mm (4.1 inches)	82%	moderate
December Weather	5°C (42°F)	134 mm (5.3 inches)	80%	low