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
Arrifana's temperature records reveal January as the coldest month, marked by average highs of 10.4°C (50.7°F) and lows of 3.8°C (38.8°F).Humidity
With an average relative humidity of 87%, January is the most humid month in Arrifana.Rainfall
In January, in Arrifana, Portugal, the rain falls for 16.3 days. Throughout January, 116mm (4.57") of precipitation is accumulated. In Arrifana, during the entire year, the rain falls for 149.8 days and collects up to 846mm (33.31") of precipitation.Snowfall
January is the only month when snow falls in Arrifana. The month with the most snowfall in Arrifana is January, when snow falls for 0.2 days and typically aggregates up to 2mm (0.08") of snow.Daylight
The average length of the day in January is 9h and 38min.On the first day of January, sunrise is at 07:58 and sunset at 17:16. On the last day of the month, sunrise is at 07:45 and sunset at 17:49 WET.
Sunshine
The month with the least sunshine in Arrifana is January, with an average of 4.4h of sunshine.UV index
January and February, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during January leads to these instructions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Arrifana?
What is the usual temperature for Arrifana in January?
What is the most humid month in Arrifana?
What is the average humidity in January in Arrifana?
How many days does it rain in January in Arrifana?
What is the snowiest month in Arrifana?
When does it start to snow in Arrifana?
How many hours of daylight does Arrifana have in January?
When is the sunrise / sunset in January in Arrifana?
What is the month with the least sunshine in Arrifana?
How long on average sun shines in January in Arrifana?
What are the months with the lowest UV index in Arrifana?
What is the UV index reading in January in Arrifana?
Average temperature in January
Arrifana, Portugal
- Average high temperature in January: 10.4°C
The warmest month (with the highest average high temperature) is August (28°C).
The month with the lowest average high temperature is January (10.4°C).
- Average low temperature in January: 3.8°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is February (3.7°C).
Average pressure in January
Arrifana, Portugal
- Average pressure in January: 1021.9mbar
The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in January
Arrifana, Portugal
- Average wind speed in January: 7.7km/h
The windiest month (with the highest average wind speed) is March (8.2km/h).
The calmest month (with the lowest average wind speed) is September (6.3km/h).
Average humidity in January
Arrifana, Portugal
- Average humidity in January: 87%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (62%).
Average rainfall in January
Arrifana, Portugal
- Average rainfall in January: 116mm
The wettest month (with the highest rainfall) is December (129mm).
The driest month (with the least rainfall) is July (10mm).
Average rainfall days in January
Arrifana, Portugal
- Average rainfall days in January: 16.3 days
The month with the highest number of rainy days is April (17.1 days).
The month with the least rainy days is August (4.9 days).
Average snowfall in January
Arrifana, Portugal
- Average snowfall in January: 2mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in January
Arrifana, Portugal
- Average snowfall days in January: 0.2 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
Arrifana, 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 18min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in January
Arrifana, Portugal
- Average sunshine days in January: 12.5 days
The month with the most sunshine days is August (24.6 days).
The months with the least sunshine days are April and November (10.8 days).
Average UV index in January
Arrifana, Portugal
- Average UV index in January: 2
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and February (UV index 2).
Average cloud cover in January
Arrifana, Portugal
- Average cloud cover in January: 55
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in January
Arrifana, Portugal
- Average visibility in January: 7km
The months with the highest visibility are August and September (9km).
The months with the lowest visibility are January and November (7km).
