January Weather in Saint James, United States

Last updated: June 24, 2025

In January, the average temperature in Saint James, United States hovers around 10°C (50°F), with a chilling minimum of -6°C (21°F) and a pleasant maximum reaching up to 21°C (71°F). Expect 70 mm (2.8 in) of precipitation spread over 9 days, contributing to a comfortable average humidity of 83%. Whether you’re braving the cold or enjoying the milder days, be prepared for a variety of weather conditions this month!

January Temperature in Saint James

In January in Saint James, the average temperature is 10°C (50°F), with maximums reaching 21°C (71°F) and minimums dropping as low as -6°C (21°F). It's advisable to pack layers and be prepared for varying weather conditions while exploring this destination.

January Weather in Saint James: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Saint James, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint James, January typically has an average temperature of 10°C (50°F), with highs reaching up to 21°C (71°F) and lows dropping to around -6°C (21°F).

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

January Precipitation in Saint James

In Saint James in January, the total precipitation amount is 70 mm (2.8 in) spread over 9 days.

January Precipitation Trends in Saint James

The chart displays monthly precipitation patterns in Saint James, 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 Saint James, January typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 9 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Saint James

In Saint James in January, humidity is 83%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration less comfortable and prompting visitors to seek cozy indoor activities.

January Average Humidity in Saint James

This chart illustrates the average monthly humidity levels in Saint James, 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 Saint James is approximately 83%, 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 Saint James

In Saint James 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 Saint James for better planning.

Maximum UV Index Levels in Saint James for January

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

Data source: Saint James 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 Saint James Compares to Other Months

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

This table compares monthly weather conditions in Saint James, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	70 mm (2.8 inches)	83%	moderate
February Weather	12°C (54°F)	108 mm (4.3 inches)	79%	high
March Weather	14°C (57°F)	75 mm (2.9 inches)	79%	very high
April Weather	18°C (64°F)	95 mm (3.7 inches)	78%	very high
May Weather	22°C (72°F)	107 mm (4.2 inches)	78%	extreme
June Weather	25°C (78°F)	138 mm (5.4 inches)	78%	extreme
July Weather	27°C (81°F)	163 mm (6.4 inches)	82%	extreme
August Weather	27°C (80°F)	204 mm (8.0 inches)	81%	extreme
September Weather	25°C (78°F)	212 mm (8.4 inches)	81%	very high
October Weather	22°C (71°F)	67 mm (2.6 inches)	78%	very high
November Weather	15°C (59°F)	104 mm (4.1 inches)	82%	high
December Weather	12°C (54°F)	132 mm (5.2 inches)	84%	moderate