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 sea temperature 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, with average temperatures reaching a high of 15°C (59°F) and a low of 10.8°C (51.4°F), is the coldest month in Guia, Portugal.Humidity
The months with the highest humidity are January, March, April and December, with an average relative humidity of 75%.Rainfall
In Guia, during January, the rain falls for 6.6 days and regularly aggregates up to 7mm (0.28") of precipitation. In Guia, during the entire year, the rain falls for 62.4 days and collects up to 78mm (3.07") of precipitation.Sea temperature
In Guia, the average seawater temperature in January is 16°C (60.8°F).Note: A majority do not enjoy swimming in water at 16°C (60.8°F). The difficulty in controlling breathing increases progressively as the temperature dips below 21°C (69.8°F).
Daylight
The average length of the day in January is 9h and 57min.On the first day of the month, sunrise is at 07:46 and sunset at 17:26. On the last day of January, in Guia, sunrise is at 07:36 and sunset at 17:56 WET.
Sunshine
With an average of 6h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index in Guia are January through March, November and December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 4 during January leads to these advisories:
Act with care - The need to guard against sun damage is communicated. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Guia?
What is the temperature in January in Guia?
What is the most humid month in Guia?
What is the average humidity in January in Guia?
How many days does it rain in January in Guia?
How cold is the water in January in Guia?
What is the average length of the day in January in Guia?
When are sunrise and sunset in January in Guia?
What is the month with the least sunshine in Guia?
How long on average sun shines in January in Guia?
What are the months with the lowest UV index in Guia?
How high is the UV index in January in Guia?
Average temperature in January
Guia, Portugal
- Average high temperature in January: 15°C
The warmest month (with the highest average high temperature) is August (27.4°C).
The month with the lowest average high temperature is January (15°C).
- Average low temperature in January: 10.8°C
The month with the highest average low temperature is August (19.7°C).
The coldest month (with the lowest average low temperature) is February (10.6°C).
Average pressure in January
Guia, Portugal
- Average pressure in January: 1022.4mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in January
Guia, Portugal
- Average wind speed in January: 16.9km/h
The windiest month (with the highest average wind speed) is February (18.1km/h).
The calmest month (with the lowest average wind speed) is September (12.5km/h).
Average humidity in January
Guia, Portugal
- Average humidity in January: 75%
The months with the highest relative humidity are January, March, April and December (75%).
The month with the lowest relative humidity is August (64%).
Average rainfall in January
Guia, Portugal
- Average rainfall in January: 7mm
The wettest month (with the highest rainfall) is November (14mm).
The driest month (with the least rainfall) is July (0mm).
Average rainfall days in January
Guia, Portugal
- Average rainfall days in January: 6.6 days
The month with the highest number of rainy days is November (9.2 days).
The month with the least rainy days is August (0.7 days).
Average sea temperature in January
Guia, Portugal
- Average sea temperature in January: 16°C
The best months for swimming (with the highest average sea temperature) are August and September (21°C).
The coldest month (with the lowest average sea temperature) is February (15°C).
Average daylight in January /
Average sunshine in January
Guia, Portugal
- Average daylight in January: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January: 6h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in January
Guia, Portugal
- Average sunshine days in January: 21.8 days
The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is November (19.2 days).
Average UV index in January
Guia, Portugal
- Average UV index in January: 4
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in January
Guia, Portugal
- Average cloud cover in January: 31
The month with the most cloud cover is January (Cloud cover 31).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in January
Guia, Portugal
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
