January Weather in San Martino in Rio, Italy

Last updated: August 23, 2025

In San Martino in Rio, Italy, the average temperature in January hovers around 3°C (38°F). Daily variations can be notable, with minimums dropping to -6°C (21°F) and maximums reaching up to 15°C (58°F). Expect a touch of moisture with an average precipitation of 24 mm (0.9 in) over 4 days, coupled with a high average humidity of 87%.

January Temperature in San Martino in Rio

In January in San Martino in Rio, the average temperature is 3°C (38°F). The maximum can reach 15°C (58°F), and the minimum can be as low as -6°C (21°F). It's important to pack warm clothing and be prepared for chilly weather when traveling during this time.

January Weather in San Martino in Rio: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in San Martino in Rio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Martino in Rio, January typically has an average temperature of 3°C (38°F), with highs reaching up to 15°C (58°F) and lows dropping to around -6°C (21°F).

Data source: Temperature data for San Martino in Rio generated using information from the Copernicus Climate Change Service.

January Precipitation in San Martino in Rio

In San Martino in Rio in January, the precipitation amount is 24 mm (0.9 in) over a period of 4 days.

January Precipitation Trends in San Martino in Rio

The chart displays monthly precipitation patterns in San Martino in Rio, 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 San Martino in Rio, January typically receives around 24 mm (0.9 inches) of precipitation spread over approximately 4 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 San Martino in Rio

In San Martino in Rio in January humidity is 87%. With an average temperature of 3°C (38°F), this humidity feels like a chilly blanket wrapped around you, making travel quite uncomfortable as the cold dampness seeps into your clothes and lingers in the air, often leaving you shivering and longing for warmer, drier conditions.

January Average Humidity in San Martino in Rio

This chart illustrates the average monthly humidity levels in San Martino in Rio, 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 San Martino in Rio is approximately 87%, 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 San Martino in Rio

In San Martino in Rio in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in San Martino in Rio, you can visit Hourly UV Index in San Martino in Rio.

Maximum UV Index Levels in San Martino in Rio for January

The chart shows the monthly maximum UV Index (UVI) for San Martino in Rio 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 San Martino in Rio typically reaches 2, which falls under the low exposure category.

Data source: San Martino in Rio 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 San Martino in Rio Compares to Other Months

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

This table compares monthly weather conditions in San Martino in Rio, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (38°F)	24 mm (0.9 inches)	87%	low
February Weather	7°C (44°F)	62 mm (2.4 inches)	79%	moderate
March Weather	9°C (49°F)	51 mm (2.0 inches)	69%	moderate
April Weather	14°C (57°F)	74 mm (2.9 inches)	71%	high
May Weather	18°C (65°F)	111 mm (4.4 inches)	70%	very high
June Weather	24°C (75°F)	49 mm (1.9 inches)	65%	very high
July Weather	26°C (78°F)	66 mm (2.6 inches)	61%	very high
August Weather	26°C (79°F)	58 mm (2.3 inches)	54%	very high
September Weather	20°C (69°F)	93 mm (3.7 inches)	66%	high
October Weather	15°C (59°F)	66 mm (2.6 inches)	83%	moderate
November Weather	10°C (50°F)	114 mm (4.5 inches)	88%	moderate
December Weather	5°C (41°F)	78 mm (3.1 inches)	85%	low