January Weather in Fronteira, Portugal

Last updated: August 27, 2025

In January, the average temperature in Fronteira, Portugal hovers around 9°C (48°F). Expect chilly nights, with minimum temperatures dipping to a brisk -3°C (27°F), while daytime highs can reach a comfortable 21°C (70°F). You might encounter some rain, with 34 mm (1.3 in) spread over about 5 days throughout the month. Be prepared for a high average humidity of 85%, making this a uniquely damp yet vibrant time of year!

January Temperature in Fronteira

In January in Fronteira, the average temperature is 9°C (48°F), with maximums reaching 21°C (70°F) and minimums dropping as low as -3°C (27°F). Travelers should prepare for a wide range of temperatures, ensuring they have appropriate clothing for both warm afternoons and chilly evenings.

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

The chart illustrates January temperature patterns in Fronteira, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fronteira, January typically has an average temperature of 9°C (48°F), with highs reaching up to 21°C (70°F) and lows dropping to around -3°C (27°F).

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

January Precipitation in Fronteira

In Fronteira in January, the precipitation amount is 34 mm (1.3 in) over the course of 5 days.

January Precipitation Trends in Fronteira

The chart displays monthly precipitation patterns in Fronteira, 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 Fronteira, January typically receives around 34 mm (1.3 inches) of precipitation spread over approximately 5 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 Fronteira

In Fronteira in January humidity is 85%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill enveloping you, making outdoor activities less enjoyable and requiring extra layers to stay warm and comfortable while traveling.

January Average Humidity in Fronteira

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

In Fronteira 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 Fronteira, you can check the information here.

Maximum UV Index Levels in Fronteira for January

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

Data source: Fronteira 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 Fronteira Compares to Other Months

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

This table compares monthly weather conditions in Fronteira, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	34 mm (1.3 inches)	85%	moderate
February Weather	11°C (53°F)	47 mm (1.9 inches)	75%	moderate
March Weather	13°C (55°F)	82 mm (3.2 inches)	72%	high
April Weather	15°C (59°F)	77 mm (3.0 inches)	70%	very high
May Weather	19°C (66°F)	33 mm (1.3 inches)	70%	very high
June Weather	21°C (70°F)	13 mm (0.5 inches)	63%	extreme
July Weather	24°C (75°F)	4 mm (0.2 inches)	60%	very high
August Weather	25°C (76°F)	4 mm (0.2 inches)	60%	very high
September Weather	23°C (73°F)	24 mm (0.9 inches)	67%	very high
October Weather	18°C (65°F)	43 mm (1.7 inches)	74%	high
November Weather	13°C (56°F)	69 mm (2.7 inches)	83%	moderate
December Weather	11°C (52°F)	63 mm (2.5 inches)	85%	moderate