January Weather in Bristol, United States

Last updated: June 24, 2025

In January, the average temperature in Bristol, United States hovers around 2°C (36°F). Expect minimum temperatures to dip as low as -17°C (1°F) and a maximum reach of 20°C (69°F). Precipitation is not uncommon, with an average of 64 mm (2.5 in) spread over 8 days. Humidity levels are high, averaging at 83%, making for a chilly yet moist ambience.

January Temperature in Bristol

In January in Bristol, the average temperature is 2°C (36°F). Maximums can reach 20°C (69°F), while minimums can dip as low as -17°C (1°F). Be prepared for a wide range of temperatures if you're traveling during this month.

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

The chart illustrates January temperature patterns in Bristol, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bristol, January typically has an average temperature of 2°C (36°F), with highs reaching up to 20°C (69°F) and lows dropping to around -17°C (1°F).

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

January Precipitation in Bristol

In Bristol in January, the precipitation amount is 64 mm (2.5 in) over the course of 8 days.

January Precipitation Trends in Bristol

The chart displays monthly precipitation patterns in Bristol, 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 Bristol, January typically receives around 64 mm (2.5 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 Bristol

In Bristol in January, humidity is 83%. With an average temperature of 2°C (36°F), this humidity feels like a cold, damp blanket, making travel uncomfortable as the chill seeps into your bones and the moisture clings to your clothing, forcing you to constantly seek warmth and shelter.

January Average Humidity in Bristol

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

In Bristol 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 Bristol, you can check the information here.

Maximum UV Index Levels in Bristol for January

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

Data source: Bristol 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 Bristol Compares to Other Months

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

This table compares monthly weather conditions in Bristol, 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)	64 mm (2.5 inches)	83%	moderate
February Weather	4°C (39°F)	108 mm (4.2 inches)	82%	moderate
March Weather	7°C (44°F)	109 mm (4.3 inches)	81%	high
April Weather	12°C (54°F)	104 mm (4.1 inches)	79%	very high
May Weather	18°C (64°F)	124 mm (4.9 inches)	74%	very high
June Weather	23°C (74°F)	101 mm (4.0 inches)	77%	very high
July Weather	26°C (79°F)	136 mm (5.4 inches)	76%	very high
August Weather	25°C (77°F)	137 mm (5.4 inches)	77%	very high
September Weather	22°C (71°F)	89 mm (3.5 inches)	74%	very high
October Weather	16°C (62°F)	119 mm (4.7 inches)	75%	high
November Weather	8°C (47°F)	83 mm (3.3 inches)	80%	moderate
December Weather	4°C (40°F)	104 mm (4.1 inches)	81%	moderate