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
Santana observes an average high-temperature of a still enjoyable 17.6°C (63.7°F) in January, barely different from 18.7°C (65.7°F) in December. Santana maintains a consistent average nighttime low-temperature of 16.3°C (61.3°F) throughout January.Humidity
The average relative humidity in January is 74%.Rainfall
In January, the rain falls for 12.3 days. Throughout January, 22mm (0.87") of precipitation is accumulated. Throughout the year, there are 116.4 rainfall days, and 232mm (9.13") of precipitation is accumulated.Sea temperature
January through April, with an average sea temperature of 18°C (64.4°F), are months with the coldest seawater.Note: Swimming is not a pleasurable activity for most people when the water temperature is 18°C (64.4°F). Breathing control gets harder as the water temperature drops from 21°C (69.8°F) to 15°C (59°F).
Daylight
In January, the average length of the day is 10h and 17min.On the first day of the month, sunrise is at 08:09 and sunset at 18:11. On the last day of January, sunrise is at 08:03 and sunset at 18:38 WET.
Sunshine
The months with the least sunshine are January and December, with an average of 7.6h of sunshine.UV index
January through June, November and December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 5 in January leads to these guidelines:
Undertake precautions - It is suggested to shield oneself from sunburn. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are January temperatures?
What is the average humidity in January?
How much does it rain in January?
What months are the sea coldest?
What is the sea water temperature in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
What are the months with the least sunshine?
How long on average sun shines in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Santana, Portugal
- Average high temperature in January: 17.6°C
The warmest month (with the highest average high temperature) is August (23°C).
The months with the lowest average high temperature are February and March (16.9°C).
- Average low temperature in January: 16.3°C
The month with the highest average low temperature is September (21.7°C).
The coldest month (with the lowest average low temperature) is March (15.1°C).
Average pressure in January
Santana, Portugal
- Average pressure in January: 1024.1mbar
The month with the highest atmospheric pressure is January (1024.1mbar).
The month with the lowest atmospheric pressure is October (1017mbar).
Average wind speed in January
Santana, Portugal
- Average wind speed in January: 21.1km/h
The windiest month (with the highest average wind speed) is February (23km/h).
The calmest month (with the lowest average wind speed) is September (17.7km/h).
Average humidity in January
Santana, Portugal
- Average humidity in January: 74%
The months with the highest relative humidity are June and August (80%).
The month with the lowest relative humidity is February (73%).
Average rainfall in January
Santana, Portugal
- Average rainfall in January: 22mm
The wettest month (with the highest rainfall) is October (44mm).
The driest month (with the least rainfall) is August (3mm).
Average rainfall days in January
Santana, Portugal
- Average rainfall days in January: 12.3 days
The month with the highest number of rainy days is November (16 days).
The month with the least rainy days is August (3.9 days).
Average sea temperature in January
Santana, Portugal
- Average sea temperature in January: 18°C
The best months for swimming (with the highest average sea temperature) are August and September (23°C).
The coldest months (with the lowest average sea temperature) are January, February, March and April (18°C).
Average daylight in January /
Average sunshine in January
Santana, Portugal
- Average daylight in January: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January: 7h and 4min
The month with the most sunshine is June (Average sunshine: 9h and 12min).
The months with the least sunshine are January and December (Average sunshine: 7h and 36min).
Average sunshine days in January
Santana, Portugal
- Average sunshine days in January: 12.1 days
The month with the most sunshine days is August (20.9 days).
The month with the least sunshine days is November (8.4 days).
Average UV index in January
Santana, Portugal
- Average UV index in January: 5
The months with the highest UV index are July, August, September and October (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, November and December (UV index 5).
Average cloud cover in January
Santana, Portugal
- Average cloud cover in January: 40
The month with the most cloud cover is November (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in January
Santana, 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).
