January Weather in Sao Joao dos Montes, Portugal

Last updated: August 27, 2025

In Sao Joao dos Montes, Portugal, the average temperature in January hovers around 10°C (50°F). Expect a chilly minimum of -2°C (29°F) and a pleasantly warm maximum of 20°C (69°F). This month sees about 37 mm (1.4 in) of precipitation over 5 days, with humidity levels at a notable 85%.

January Temperature in Sao Joao dos Montes

In January in Sao Joao dos Montes, the average temperature is 10°C (50°F). Maximums can reach 20°C (69°F), while minimums can drop as low as -2°C (29°F). Travelers should pack layered clothing to adapt to the varying temperatures throughout the day.

January Weather in Sao Joao dos Montes: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Sao Joao dos Montes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Joao dos Montes, January typically has an average temperature of 10°C (50°F), with highs reaching up to 20°C (69°F) and lows dropping to around -2°C (29°F).

Data source: Temperature data for Sao Joao dos Montes generated using information from the Copernicus Climate Change Service.

January Precipitation in Sao Joao dos Montes

In Sao Joao dos Montes in January, the precipitation amount is 37 mm (1.4 in) spread over a duration of 5 days.

January Precipitation Trends in Sao Joao dos Montes

The chart displays monthly precipitation patterns in Sao Joao dos Montes, 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 Sao Joao dos Montes, January typically receives around 37 mm (1.4 inches) of precipitation spread over approximately 5 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 Sao Joao dos Montes

In Sao Joao dos Montes in January, humidity is 85%. With an average temperature of 10°C (50°F), this humidity feels like a heavy, damp blanket surrounding you, making travel feel sluggish and uncomfortable as you navigate through the thick, moist air.

January Average Humidity in Sao Joao dos Montes

This chart illustrates the average monthly humidity levels in Sao Joao dos Montes, 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 Sao Joao dos Montes is approximately 85%, 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 Sao Joao dos Montes

In Sao Joao dos Montes 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 Sao Joao dos Montes, you can check the information here.

Maximum UV Index Levels in Sao Joao dos Montes for January

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

Data source: Sao Joao dos Montes 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 Sao Joao dos Montes Compares to Other Months

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

This table compares monthly weather conditions in Sao Joao dos Montes, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	37 mm (1.4 inches)	85%	moderate
February Weather	12°C (54°F)	52 mm (2.1 inches)	75%	moderate
March Weather	13°C (56°F)	73 mm (2.9 inches)	72%	high
April Weather	15°C (59°F)	83 mm (3.3 inches)	70%	very high
May Weather	18°C (65°F)	42 mm (1.6 inches)	70%	very high
June Weather	19°C (67°F)	12 mm (0.5 inches)	63%	extreme
July Weather	21°C (71°F)	5 mm (0.2 inches)	60%	very high
August Weather	22°C (72°F)	4 mm (0.2 inches)	60%	very high
September Weather	21°C (70°F)	29 mm (1.1 inches)	67%	very high
October Weather	18°C (65°F)	47 mm (1.9 inches)	74%	high
November Weather	14°C (57°F)	84 mm (3.3 inches)	83%	moderate
December Weather	12°C (54°F)	60 mm (2.4 inches)	85%	moderate