Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January, characterized by an average high temperature of 8.3°C (46.9°F) and a low temperature of 1.3°C (34.3°F), is generally the coldest month.Humidity
The most humid month in Rio de Fornos is January, with an average relative humidity of 85%.Rainfall
In January, in Rio de Fornos, the rain falls for 14.3 days. Throughout January, 60mm (2.36") of precipitation is accumulated. In Rio de Fornos, during the entire year, the rain falls for 141.4 days and collects up to 527mm (20.75") of precipitation.Snowfall
January through March, November and December are months with snowfall in Rio de Fornos. In Rio de Fornos, during January, snow falls for 2.1 days and regularly aggregates up to 13mm (0.51") of snow. Throughout the year, in Rio de Fornos, there are 6.4 snowfall days, and 51mm (2.01") of snow is accumulated.Daylight
In Rio de Fornos, the average length of the day in January is 9h and 32min.On the first day of January, sunrise is at 07:55 and sunset at 17:07. On the last day of the month, sunrise is at 07:41 and sunset at 17:41 WET.
Sunshine
With an average of 4.8h of sunshine, January has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Rio de Fornos, Portugal. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In January, the maximum UV index of 2 translates into these guidelines:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What are the coldest months in Rio de Fornos?
What is the usual temperature for Rio de Fornos in January?
What is the most humid month in Rio de Fornos?
What is the average humidity in January in Rio de Fornos?
How many days does it rain in January in Rio de Fornos?
How many days does it snow in January in Rio de Fornos?
What is the average length of the day in January in Rio de Fornos?
When is the sunrise / sunset in January in Rio de Fornos?
What is the month with the least sunshine in Rio de Fornos?
How many hours of sunshine does Rio de Fornos have in January?
When is the lowest UV index in Rio de Fornos?
How high is the UV index in January in Rio de Fornos?
Average temperature in January
Rio de Fornos, Portugal
- Average high temperature in January: 8.3°C
The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in January: 1.3°C
The month with the highest average low temperature is July (13.8°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).
Average pressure in January
Rio de Fornos, Portugal
- Average pressure in January: 1021.9mbar
The month with the highest atmospheric pressure is December (1022.9mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in January
Rio de Fornos, Portugal
- Average wind speed in January: 9.7km/h
The windiest month (with the highest average wind speed) is March (11.2km/h).
The calmest month (with the lowest average wind speed) is September (8.3km/h).
Average humidity in January
Rio de Fornos, Portugal
- Average humidity in January: 85%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (52%).
Average rainfall in January
Rio de Fornos, Portugal
- Average rainfall in January: 60mm
The wettest month (with the highest rainfall) is November (73mm).
The driest month (with the least rainfall) is August (11mm).
Average rainfall days in January
Rio de Fornos, Portugal
- Average rainfall days in January: 14.3 days
The month with the highest number of rainy days is April (17.6 days).
The month with the least rainy days is August (4.2 days).
Average snowfall in January
Rio de Fornos, Portugal
- Average snowfall in January: 13mm
The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Rio de Fornos, Portugal
- Average snowfall days in January: 2.1 days
The month with the highest number of snowfall days is January (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Rio de Fornos, Portugal
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in January
Rio de Fornos, Portugal
- Average sunshine days in January: 13.9 days
The month with the most sunshine days is August (24.5 days).
The month with the least sunshine days is April (10.8 days).
Average UV index in January
Rio de Fornos, Portugal
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Rio de Fornos, Portugal
- Average cloud cover in January: 50
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in January
Rio de Fornos, Portugal
- Average visibility in January: 8km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, November and December (8km).
Rio de Fornos, Portugal
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