January Weather in Gratton, United States

Last updated: June 24, 2025

In January, the average temperature in Gratton, United States hovers around 1°C (35°F). This month can see extremes, with temperatures dipping as low as -19°C (-3°F) and climbing to a maximum of 21°C (70°F). Expect a fair amount of rain, with 96 mm (3.8 in) of precipitation over approximately 14 days. Humidity levels are notably high at 87%, adding a chill to the air.

January Temperature in Gratton

In January in Gratton, the average temperature is 1°C (35°F), with maximums reaching 21°C (70°F) and minimums dropping as low as -19°C (-3°F). Travelers should be prepared for a wide range of temperatures and dress in layers to ensure comfort during their visit.

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

The chart illustrates January temperature patterns in Gratton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gratton, January typically has an average temperature of 1°C (35°F), with highs reaching up to 21°C (70°F) and lows dropping to around -19°C (-3°F).

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

January Precipitation in Gratton

In Gratton in January, the total precipitation amount is 96 mm (3.8 in) over the course of 14 days.

January Precipitation Trends in Gratton

The chart displays monthly precipitation patterns in Gratton, 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 Gratton, January typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 14 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 Gratton

In Gratton in January humidity is 87%. With an average temperature of 1°C (35°F), this humidity feels like a chilling dampness that seeps into your bones, making travel feel particularly uncomfortable as the cold air clings to your skin and makes each step feel heavier.

January Average Humidity in Gratton

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

In Gratton 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 Gratton for better planning.

Maximum UV Index Levels in Gratton for January

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

Data source: Gratton 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 Gratton Compares to Other Months

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

This table compares monthly weather conditions in Gratton, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (35°F)	96 mm (3.8 inches)	87%	moderate
February Weather	5°C (41°F)	151 mm (6.0 inches)	87%	high
March Weather	7°C (45°F)	119 mm (4.7 inches)	86%	very high
April Weather	12°C (53°F)	131 mm (5.1 inches)	84%	very high
May Weather	17°C (62°F)	138 mm (5.4 inches)	83%	extreme
June Weather	20°C (68°F)	139 mm (5.5 inches)	83%	extreme
July Weather	22°C (72°F)	83 mm (3.3 inches)	79%	extreme
August Weather	21°C (71°F)	97 mm (3.8 inches)	66%	very high
September Weather	19°C (67°F)	97 mm (3.8 inches)	68%	very high
October Weather	14°C (57°F)	124 mm (4.9 inches)	78%	high
November Weather	6°C (43°F)	77 mm (3.0 inches)	89%	moderate
December Weather	4°C (39°F)	118 mm (4.7 inches)	86%	moderate