January Weather in Lisbon, United States

Last updated: June 24, 2025

In Lisbon, United States, the average temperature in January hovers around -1°C (30°F). It can vary significantly, with minimums plunging to -23°C (-9°F) and maximums reaching up to 21°C (69°F). Expect about 91 mm (3.6 in) of precipitation, spread across 12 days of the month, while the atmosphere remains quite humid, with an average humidity of 88%.

January Temperature in Lisbon

In January in Lisbon, the average temperature is -1°C (30°F), with maximums reaching 21°C (69°F) and minimums dropping as low as -23°C (-9°F). Travelers should be prepared for a wide range of temperatures and dress accordingly to enjoy their visit to Lisbon.

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 -1°C (30°F), with highs reaching up to 21°C (69°F) and lows dropping to around -23°C (-9°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 91 mm (3.6 in) over a period of 12 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 91 mm (3.6 inches) of precipitation spread over approximately 12 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 Lisbon

In Lisbon in January humidity is 88%. With an average temperature of -1°C (30°F), this humidity feels like a biting chill that penetrates through your layers, making travel uncomfortable as every gust of wind becomes a sharp reminder of the cold and damp air surrounding you.

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 88%, 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	-1°C (30°F)	91 mm (3.6 inches)	88%	moderate
February Weather	1°C (34°F)	106 mm (4.2 inches)	88%	moderate
March Weather	5°C (41°F)	101 mm (4.0 inches)	87%	high
April Weather	10°C (51°F)	132 mm (5.2 inches)	87%	very high
May Weather	16°C (62°F)	130 mm (5.1 inches)	81%	very high
June Weather	21°C (70°F)	131 mm (5.2 inches)	83%	very high
July Weather	24°C (75°F)	133 mm (5.2 inches)	82%	very high
August Weather	22°C (72°F)	98 mm (3.9 inches)	76%	very high
September Weather	19°C (67°F)	114 mm (4.5 inches)	77%	very high
October Weather	14°C (57°F)	116 mm (4.6 inches)	82%	high
November Weather	5°C (41°F)	94 mm (3.7 inches)	89%	moderate
December Weather	2°C (35°F)	95 mm (3.8 inches)	86%	low