January Weather in Cotuit, United States

Last updated: June 24, 2025

In Cotuit, United States, the average temperature in January hovers around 2°C (35°F). Be prepared for chilly days as temperatures can dip to a brisk -16°C (4°F), while occasionally reaching a cozy 13°C (55°F). Expect 93 mm (3.7 in) of precipitation spread over 9 days, contributing to an average humidity level of 84%—perfect for a cozy indoor retreat!

January Temperature in Cotuit

In January in Cotuit, the average temperature is 2°C (35°F). The maximum can reach 13°C (55°F) and the minimum can be as low as -16°C (4°F). Travelers should be prepared for cold weather and pack accordingly to enjoy their visit.

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

The chart illustrates January temperature patterns in Cotuit, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cotuit, January typically has an average temperature of 2°C (35°F), with highs reaching up to 13°C (55°F) and lows dropping to around -16°C (4°F).

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

January Precipitation in Cotuit

In Cotuit in January, the precipitation amount is 93 mm (3.7 in) over the course of 9 days.

January Precipitation Trends in Cotuit

The chart displays monthly precipitation patterns in Cotuit, 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 Cotuit, January typically receives around 93 mm (3.7 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 Cotuit

In Cotuit in January, humidity is 84%. With an average temperature of 2°C (35°F), this humidity feels like an uncomfortable chill that penetrates your bones, making outdoor travel quite brisk and uninviting.

January Average Humidity in Cotuit

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

In Cotuit 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 Cotuit, you can check the information here.

Maximum UV Index Levels in Cotuit for January

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

Data source: Cotuit 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 Cotuit Compares to Other Months

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

This table compares monthly weather conditions in Cotuit, 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 (35°F)	93 mm (3.7 inches)	84%	moderate
February Weather	2°C (36°F)	118 mm (4.6 inches)	84%	moderate
March Weather	3°C (38°F)	116 mm (4.6 inches)	82%	high
April Weather	8°C (46°F)	133 mm (5.3 inches)	79%	very high
May Weather	12°C (54°F)	119 mm (4.7 inches)	75%	very high
June Weather	17°C (63°F)	90 mm (3.5 inches)	78%	very high
July Weather	22°C (71°F)	84 mm (3.3 inches)	76%	very high
August Weather	22°C (73°F)	86 mm (3.4 inches)	76%	very high
September Weather	20°C (67°F)	117 mm (4.6 inches)	75%	very high
October Weather	15°C (60°F)	168 mm (6.6 inches)	75%	high
November Weather	9°C (49°F)	103 mm (4.0 inches)	80%	moderate
December Weather	4°C (40°F)	129 mm (5.1 inches)	80%	low