January weather forecast
Coimbra, Portugal

The first month of the year in Coimbra, Portugal, begins with mild daytime temperatures and cooler nights. Rain frequently marks the January weather, as evidenced by the highest recorded rainfall of 112mm (4.41"). This winter month also sees limited daylight hours and relatively low UV index ratings with shorter spans of sunshine. Despite the tendency for sporadic showers, the historical climate data suggests January to be consistent in its weather, showing little deviation from year to year.

Temperature

In Coimbra, January records the lowest average temperatures, peaking at 14.8°C (58.6°F) and reaching a low of 5°C (41°F).

Rainfall

In Coimbra, in January, during 17 rainfall days, 112mm (4.41") of precipitation is typically accumulated. In Coimbra, during the entire year, the rain falls for 145 days and collects up to 905mm (35.63") of precipitation.

Daylight

In Coimbra, the average length of the day in January is 9h and 41min.
On the first day of January, sunrise is at 07:55 and sunset at 17:18. On the last day of the month, sunrise is at 07:43 and sunset at 17:50 WET.

Sunshine

The months with the least sunshine in Coimbra, Portugal, are January and December, with an average of 4.5h of sunshine.

UV index

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Coimbra. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 2 in January leads to these recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.