January Weather in Lisbon, United States

Last updated: June 24, 2025

In January, the average temperature in Lisbon, United States hovers around 0°C (33°F). Expect a chilly minimum of -20°C (-4°F) and a comfortable maximum of 20°C (69°F). During this month, precipitation totals approximately 72 mm (2.8 in) spread over 8 days, contributing to the region's average humidity of 84%—perfect for cozy indoor activities!

January Temperature in Lisbon

In January in Lisbon, the average temperature is 0°C (33°F). The maximum can reach 20°C (69°F), while the minimum can drop as low as -20°C (-4°F). Travelers should be prepared for a wide range of temperatures, so layering clothing is essential.

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

The chart illustrates January temperature patterns in Lisbon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lisbon, January typically has an average temperature of 0°C (33°F), with highs reaching up to 20°C (69°F) and lows dropping to around -20°C (-4°F).

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

January Precipitation in Lisbon

In Lisbon in January, the precipitation amount is 72 mm (2.8 in) over the course of 8 days.

January Precipitation Trends in Lisbon

The chart displays monthly precipitation patterns in Lisbon, 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 Lisbon, January typically receives around 72 mm (2.8 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 Lisbon

In Lisbon in January humidity is 84%. With average temperature 0°C (33°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures less enjoyable and travel plans challenging.

January Average Humidity in Lisbon

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

In Lisbon 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 Lisbon, you can check the information here.

Maximum UV Index Levels in Lisbon for January

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

Data source: Lisbon 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 Lisbon Compares to Other Months

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

This table compares monthly weather conditions in Lisbon, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (33°F)	72 mm (2.8 inches)	84%	moderate
February Weather	1°C (35°F)	92 mm (3.6 inches)	84%	moderate
March Weather	4°C (40°F)	98 mm (3.8 inches)	82%	high
April Weather	9°C (49°F)	129 mm (5.1 inches)	79%	very high
May Weather	15°C (59°F)	109 mm (4.3 inches)	75%	very high
June Weather	20°C (68°F)	96 mm (3.8 inches)	78%	very high
July Weather	23°C (75°F)	149 mm (5.8 inches)	76%	very high
August Weather	23°C (74°F)	111 mm (4.4 inches)	76%	very high
September Weather	19°C (67°F)	96 mm (3.8 inches)	75%	very high
October Weather	14°C (58°F)	132 mm (5.2 inches)	75%	high
November Weather	7°C (45°F)	101 mm (4.0 inches)	80%	moderate
December Weather	2°C (36°F)	130 mm (5.1 inches)	80%	low