January Weather in Olhao, Portugal

Last updated: August 27, 2025

In January, the average temperature in Olhao, Portugal hovers around 13°C (56°F). The weather can vary, with a minimum of 5°C (41°F) and a pleasant maximum of 18°C (65°F). Expect about 26 mm (1.0 in) of precipitation over 3 days, and prepare for a humidity level of around 80%.

January Temperature in Olhao

In January in Olhao, the average temperature is 13°C (56°F). Maximums can reach 18°C (65°F), while minimums can drop to as low as 5°C (41°F). It's a great time for travelers to enjoy mild weather, so be sure to pack layers to stay comfortable throughout the day.

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

The chart illustrates January temperature patterns in Olhao, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Olhao, January typically has an average temperature of 13°C (56°F), with highs reaching up to 18°C (65°F) and lows dropping to around 5°C (41°F).

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

January Precipitation in Olhao

In Olhao in January, the precipitation amount is 26 mm (1.0 in) recorded over the course of 3 days.

January Precipitation Trends in Olhao

The chart displays monthly precipitation patterns in Olhao, 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 Olhao, January typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 3 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 Olhao

In Olhao in January humidity is 80%. With average temperature 13°C (56°F) this humidity feels like a damp chill that seeps into your bones, making outdoor exploration more challenging and necessitating layered clothing for comfort.

January Average Humidity in Olhao

This chart illustrates the average monthly humidity levels in Olhao, 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 Olhao is approximately 80%, 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 Olhao

In Olhao 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 Olhao, you can check the information here.

Maximum UV Index Levels in Olhao for January

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

Data source: Olhao 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 Olhao Compares to Other Months

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

This table compares monthly weather conditions in Olhao, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (56°F)	26 mm (1.0 inches)	80%	moderate
February Weather	14°C (58°F)	45 mm (1.8 inches)	73%	moderate
March Weather	15°C (59°F)	68 mm (2.7 inches)	71%	high
April Weather	16°C (60°F)	49 mm (1.9 inches)	69%	very high
May Weather	18°C (65°F)	14 mm (0.6 inches)	69%	very high
June Weather	20°C (68°F)	3 mm (0.1 inches)	67%	extreme
July Weather	22°C (72°F)	2 mm (0.1 inches)	69%	very high
August Weather	23°C (74°F)	0 mm (0.0 inches)	68%	very high
September Weather	22°C (72°F)	11 mm (0.4 inches)	71%	very high
October Weather	20°C (68°F)	28 mm (1.1 inches)	75%	high
November Weather	16°C (62°F)	59 mm (2.3 inches)	78%	moderate
December Weather	15°C (59°F)	44 mm (1.7 inches)	81%	moderate