January Weather in Brighton, United States

Last updated: June 24, 2025

In January, the average temperature in Brighton, United States hovers around -5°C (24°F). This month can see extremes, with minimum temperatures plunging to -31°C (-23°F) and a maximum peaking at 13°C (56°F). Rainfall amounts to 51 mm (2.0 in) over about 6 days, contributing to an average humidity level of 81%. Stay prepared for a chilly and damp experience!

January Temperature in Brighton

In January in Brighton, the average temperature is -5°C (24°F). Maximums can reach 13°C (56°F), while minimums can drop as low as -31°C (-23°F). Travelers should be prepared for a wide range of temperatures, from chilly days to extremely cold nights.

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

The chart illustrates January temperature patterns in Brighton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brighton, January typically has an average temperature of -5°C (24°F), with highs reaching up to 13°C (56°F) and lows dropping to around -31°C (-23°F).

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

January Precipitation in Brighton

In Brighton in January, the precipitation amount is 51 mm (2.0 in) over the course of 6 days.

January Precipitation Trends in Brighton

The chart displays monthly precipitation patterns in Brighton, 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 Brighton, January typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 6 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 Brighton

In Brighton in January humidity is 81%. With an average temperature of -5°C (24°F), this humidity feels like an icy blanket enveloping you, making breath visible in the air and every step crunch underfoot. The cold moisture adds a biting chill, turning even short excursions into a race to find warmth, while creating a mesmerizing frost on the landscape that can be both beautiful and unforgiving for travelers.

January Average Humidity in Brighton

This chart illustrates the average monthly humidity levels in Brighton, 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 Brighton is approximately 81%, 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 Brighton

In Brighton 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 Brighton, you can check the information here.

Maximum UV Index Levels in Brighton for January

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

Data source: Brighton 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 Brighton Compares to Other Months

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

This table compares monthly weather conditions in Brighton, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (24°F)	51 mm (2.0 inches)	81%	moderate
February Weather	-3°C (26°F)	58 mm (2.3 inches)	81%	moderate
March Weather	5°C (41°F)	89 mm (3.5 inches)	81%	high
April Weather	10°C (50°F)	82 mm (3.2 inches)	82%	very high
May Weather	17°C (63°F)	151 mm (5.9 inches)	78%	very high
June Weather	24°C (75°F)	142 mm (5.6 inches)	81%	extreme
July Weather	25°C (77°F)	70 mm (2.7 inches)	79%	very high
August Weather	23°C (74°F)	68 mm (2.7 inches)	77%	very high
September Weather	20°C (69°F)	113 mm (4.5 inches)	78%	very high
October Weather	12°C (54°F)	128 mm (5.0 inches)	78%	high
November Weather	4°C (39°F)	50 mm (2.0 inches)	87%	moderate
December Weather	0°C (32°F)	47 mm (1.8 inches)	84%	moderate