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
January
Weather in January
Temperature
In Arcas, Portugal, the lowest average temperatures are observed in January, with a high of 8.3°C (46.9°F) and a low of 1.3°C (34.3°F).Humidity
January is the most humid month, with an average relative humidity of 85%.Rainfall
In January, in Arcas, Portugal, the rain falls for 14.3 days. Throughout January, 60mm (2.36") of precipitation is accumulated. Throughout the year, in Arcas, there are 141.7 rainfall days, and 532mm (20.94") of precipitation is accumulated.Snowfall
Months with snowfall in Arcas, Portugal, are January through March, November and December. In Arcas, Portugal, in January, snow falls for 2.1 days, with typically accumulated 13mm (0.51") of snow. In Arcas, during the entire year, snow falls for 6.4 days and aggregates up to 51mm (2.01") of snow.Daylight
The average length of the day in January in Arcas is 9h and 34min.On the first day of January, sunrise is at 07:54 and sunset at 17:08. On the last day of the month, sunrise is at 07:41 and sunset at 17:41 WET.
Sunshine
The month with the least sunshine in Arcas is January, with an average of 4.8h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Arcas. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In January, the UV index of 2 transforms into the following advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Boost your sun resistance with garments that are densely woven yet spacious. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Arcas?
What is the usual temperature for Arcas in January?
What is the most humid month in Arcas?
What is the average humidity in January in Arcas?
How much does it rain in Arcas in January?
How many days does it snow in January in Arcas?
How many hours of daylight does Arcas have in January?
When are sunrise and sunset in January in Arcas?
What is the month with the least sunshine in Arcas?
How long on average sun shines in January in Arcas?
What is the month with the lowest UV index in Arcas?
What is the UV index reading in January in Arcas?
Average temperature in January
Arcas, 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
Arcas, 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
Arcas, 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 (8.4km/h).
Average humidity in January
Arcas, 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
Arcas, 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
Arcas, 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
Arcas, 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
Arcas, 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
Arcas, Portugal
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
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
Arcas, 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
Arcas, 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
Arcas, 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
Arcas, 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).
