January Weather in Grandola, Portugal

Last updated: August 27, 2025

In January, the average temperature in Grandola, Portugal hovers around 10°C (51°F). Expect a chilly minimum of -2°C (29°F), while the maximum can reach up to 23°C (73°F). During this month, anticipate around 30 mm (1.2 in) of precipitation spread over 4 days, contributing to an average humidity of 85%. Stay prepared for the varied conditions!

January Temperature in Grandola

In January in Grandola, the average temperature is 10°C (51°F). Maximum can reach 23°C (73°F) and minimum can be as low as -2°C (29°F). Be prepared for a wide range of temperatures to ensure a comfortable and enjoyable trip.

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

The chart illustrates January temperature patterns in Grandola, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grandola, January typically has an average temperature of 10°C (51°F), with highs reaching up to 23°C (73°F) and lows dropping to around -2°C (29°F).

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

January Precipitation in Grandola

In Grandola in January, the precipitation amount is 30 mm (1.2 in) over the course of 4 days.

January Precipitation Trends in Grandola

The chart displays monthly precipitation patterns in Grandola, 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 Grandola, January typically receives around 30 mm (1.2 inches) of precipitation spread over approximately 4 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 Grandola

In Grandola in January, humidity is 85%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill enveloping you, making travel quite uncomfortable as your clothes cling to your skin and the air feels heavy, often leaving you longing for a dry, warmer environment.

January Average Humidity in Grandola

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

In Grandola 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 Grandola, you can check the information here.

Maximum UV Index Levels in Grandola for January

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

Data source: Grandola 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 Grandola Compares to Other Months

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

This table compares monthly weather conditions in Grandola, 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 (51°F)	30 mm (1.2 inches)	85%	moderate
February Weather	12°C (55°F)	52 mm (2.0 inches)	75%	moderate
March Weather	14°C (57°F)	81 mm (3.2 inches)	72%	high
April Weather	15°C (60°F)	73 mm (2.9 inches)	70%	very high
May Weather	19°C (66°F)	30 mm (1.2 inches)	70%	very high
June Weather	20°C (69°F)	9 mm (0.4 inches)	63%	extreme
July Weather	22°C (72°F)	3 mm (0.1 inches)	60%	very high
August Weather	23°C (74°F)	2 mm (0.1 inches)	60%	very high
September Weather	22°C (71°F)	18 mm (0.7 inches)	67%	very high
October Weather	19°C (66°F)	42 mm (1.6 inches)	74%	high
November Weather	14°C (58°F)	56 mm (2.2 inches)	83%	moderate
December Weather	12°C (54°F)	49 mm (1.9 inches)	85%	moderate