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
The advent of January denotes an average high-temperature of a moderate 14.9°C (58.8°F), subtly different from December's 16°C (60.8°F). Sines upholds a consistent average temperature of 11.4°C (52.5°F) throughout the nights of January.Humidity
In January, the average relative humidity is 75%.Rainfall
In Sines, in January, it is raining for 11.3 days, with typically 33mm (1.3") of accumulated precipitation. In Sines, during the entire year, the rain falls for 94.6 days and collects up to 327mm (12.87") of precipitation.Sea temperature
In January, the average sea temperature is 16.1°C (61°F).Note: Most people find it challenging to enjoy swimming in water that is 16.1°C (61°F). As water temperature falls below 21°C (69.8°F), controlling breathing grows increasingly difficult.
Daylight
In January, the average length of the day in Sines is 9h and 53min.On the first day of the month, sunrise is at 07:51 and sunset at 17:26. On the last day of January, sunrise is at 07:40 and sunset at 17:56 WET.
Sunshine
The month with the least sunshine in Sines is January, with an average of 5.7h of sunshine.UV index
January through April, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Sines, Portugal. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 4 during January leads to these advisories:
Act with care - Obligation to protect against skin and eye damage is highlighted. It's recommended to limit sun exposure when its radiation is at its peak during midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average January temperature in Sines?
What is the average humidity in January in Sines?
How many days does it rain in January in Sines?
What is the sea water temperature in January in Sines?
What is the average length of the day in January in Sines?
When is the sunrise / sunset in January in Sines?
What is the month with the least sunshine in Sines?
How many hours of sunshine does Sines have in January?
When is the lowest UV index in Sines?
What is the UV index reading in January in Sines?
Average temperature in January
Sines, Portugal
- Average high temperature in January: 14.9°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is February (14.8°C).
- Average low temperature in January: 11.4°C
The months with the highest average low temperature are August and September (18.8°C).
The coldest month (with the lowest average low temperature) is February (10.8°C).
Average pressure in January
Sines, Portugal
- Average pressure in January: 1022.5mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in January
Sines, Portugal
- Average wind speed in January: 19.1km/h
The windiest month (with the highest average wind speed) is February (19.4km/h).
The calmest month (with the lowest average wind speed) is September (15.1km/h).
Average humidity in January
Sines, Portugal
- Average humidity in January: 75%
The month with the highest relative humidity is April (76%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Sines, Portugal
- Average rainfall in January: 33mm
The wettest month (with the highest rainfall) is November (56mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in January
Sines, Portugal
- Average rainfall days in January: 11.3 days
The month with the highest number of rainy days is November (13.4 days).
The month with the least rainy days is August (1.1 days).
Average sea temperature in January
Sines, Portugal
- Average sea temperature in January: 16.1°C
The best month for swimming (with the highest average sea temperature) is October (20.5°C).
The coldest month (with the lowest average sea temperature) is March (15.6°C).
Average daylight in January /
Average sunshine in January
Sines, Portugal
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 5h 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: 5h and 42min).
Average sunshine days in January
Sines, Portugal
- Average sunshine days in January: 18 days
The month with the most sunshine days is August (29.4 days).
The month with the least sunshine days is April (15.3 days).
Average UV index in January
Sines, 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, April, November and December (UV index 4).
Average cloud cover in January
Sines, Portugal
- Average cloud cover in January: 37
The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in January
Sines, 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).
