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 is the month when Alter do Chão experiences its coldest temperatures, averaging a high of 11.9°C (53.4°F) and a low of 4.2°C (39.6°F).Humidity
The most humid month in Alter do Chão is January, with an average relative humidity of 83%.Rainfall
In January, in Alter do Chão, the rain falls for 7.4 days. Throughout January, 21mm (0.83") of precipitation is accumulated. In Alter do Chão, during the entire year, the rain falls for 78.7 days and collects up to 219mm (8.62") of precipitation.Snowfall
January through March are months with snowfall in Alter do Chão. January is the first month it typically snows. Throughout January, in the average 0.3 snowfall days, it receives 3mm (0.12") of snow. In Alter do Chão, during the entire year, snow falls for 0.9 days and aggregates up to 9mm (0.35") of snow.Daylight
In Alter do Chão, the average length of the day in January is 9h and 47min.On the first day of January in Alter do Chão, sunrise is at 07:49 and sunset at 17:17. On the last day of the month, sunrise is at 07:38 and sunset at 17:49 WET.
Sunshine
The month with the least sunshine is January, with an average of 5.1h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 3 in January translates into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Alter do Chão?
What is the average January temperature in Alter do Chão?
What is the most humid month in Alter do Chão?
What is the average humidity in January in Alter do Chão?
How many days does it rain in January in Alter do Chão?
When does it start to snow in Alter do Chão?
How many hours of daylight does Alter do Chão have in January?
What time are sunrise and sunset in January in Alter do Chão?
What is the month with the least sunshine in Alter do Chão?
How long on average sun shines in January in Alter do Chão?
What is the month with the lowest UV index in Alter do Chão?
What is the UV index reading in January in Alter do Chão?
Average temperature in January
Alter do Chão, Portugal
- Average high temperature in January: 11.9°C
The warmest month (with the highest average high temperature) is August (33.3°C).
The month with the lowest average high temperature is January (11.9°C).
- Average low temperature in January: 4.2°C
The month with the highest average low temperature is August (17.7°C).
The coldest month (with the lowest average low temperature) is January (4.2°C).
Average pressure in January
Alter do Chão, Portugal
- Average pressure in January: 1022.4mbar
The month with the highest atmospheric pressure is December (1023mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in January
Alter do Chão, Portugal
- Average wind speed in January: 10.8km/h
The windiest month (with the highest average wind speed) is February (12.1km/h).
The calmest month (with the lowest average wind speed) is September (8.4km/h).
Average humidity in January
Alter do Chão, Portugal
- Average humidity in January: 83%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (43%).
Average rainfall in January
Alter do Chão, Portugal
- Average rainfall in January: 21mm
The wettest month (with the highest rainfall) is November (39mm).
The driest month (with the least rainfall) is July (3mm).
Average rainfall days in January
Alter do Chão, Portugal
- Average rainfall days in January: 7.4 days
The month with the highest number of rainy days is April (11.7 days).
The month with the least rainy days is July (1.7 days).
Average snowfall in January
Alter do Chão, Portugal
- Average snowfall in January: 3mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in January
Alter do Chão, Portugal
- Average snowfall days in January: 0.3 days
The month with the highest number of snowfall days is February (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
Alter do Chão, Portugal
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 5h and 1min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in January
Alter do Chão, Portugal
- Average sunshine days in January: 22 days
The month with the most sunshine days is July (28.7 days).
The month with the least sunshine days is April (16.6 days).
Average UV index in January
Alter do Chão, Portugal
- Average UV index in January: 3
The month with the highest UV index is August (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in January
Alter do Chão, Portugal
- Average cloud cover in January: 42
The month with the most cloud cover is January (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in January
Alter do Chão, Portugal
- Average visibility in January: 8km
The months with the highest visibility are June, July, August and September (10km).
The month with the lowest visibility is January (8km).
