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
January brings the lowest temperatures, with an average high of 10.7°C (51.3°F) and an average low of 3.1°C (37.6°F).Humidity
January is the most humid month, with an average relative humidity of 85%.Rainfall
In January, the rain falls for 13.8 days. Throughout January, 72mm (2.83") of precipitation is accumulated. Throughout the year, there are 125.4 rainfall days, and 553mm (21.77") of precipitation is accumulated.Snowfall
January through March and November are months with snowfall. The months with the most snowfall in Nelas are January and February, with an average 3mm (0.12") of accumulated snow.Daylight
The average length of the day in January is 9h and 40min.On the first day of January, sunrise is at 07:54 and sunset at 17:14. On the last day of the month, sunrise is at 07:42 and sunset at 17:47 WET.
Sunshine
January has the least sunshine of the year in Nelas, with an average of 4.7h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In January, the maximum UV index of 2 transforms into these recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. To protect against the Sun's most potent rays, avoid direct exposure around midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
What is the average January temperature?
What is the most humid month?
What is the average humidity in January?
How many days does it rain in January?
What is the snowiest month?
When does it start to snow?
How many hours of daylight does Nelas have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
When is the lowest UV index?
What is the UV index reading in January in Nelas?
Average temperature in January
Nelas, Portugal
- Average high temperature in January: 10.7°C
The warmest month (with the highest average high temperature) is August (29.6°C).
The month with the lowest average high temperature is January (10.7°C).
- Average low temperature in January: 3.1°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (3.1°C).
Average pressure in January
Nelas, Portugal
- Average pressure in January: 1022.1mbar
The month with the highest atmospheric pressure is December (1022.9mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in January
Nelas, Portugal
- Average wind speed in January: 8.6km/h
The windiest month (with the highest average wind speed) is March (9.1km/h).
The calmest month (with the lowest average wind speed) is September (7km/h).
Average humidity in January
Nelas, 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 (57%).
Average rainfall in January
Nelas, Portugal
- Average rainfall in January: 72mm
The wettest month (with the highest rainfall) is December (92mm).
The driest month (with the least rainfall) is July (6mm).
Average rainfall days in January
Nelas, Portugal
- Average rainfall days in January: 13.8 days
The month with the highest number of rainy days is November (15.5 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in January
Nelas, Portugal
- Average snowfall in January: 3mm
The months with the highest snowfall are January and February (3mm).
The months with the least snowfall are April, May, June, July, August, September, October and December (0mm).
Average snowfall days in January
Nelas, Portugal
- Average snowfall days in January: 0.4 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Nelas, Portugal
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 4h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in January
Nelas, Portugal
- Average sunshine days in January: 14.8 days
The month with the most sunshine days is August (26.8 days).
The month with the least sunshine days is April (13 days).
Average UV index in January
Nelas, 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, February, November and December (UV index 2).
Average cloud cover in January
Nelas, Portugal
- Average cloud cover in January: 52
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 17).
Average visibility in January
Nelas, Portugal
- Average visibility in January: 7km
The months with the highest visibility are June, July, August and September (9km).
The months with the lowest visibility are January and November (7km).
