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 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
Weather in January
Temperature
São Tiago notes the coldest temperatures in January, with a high average of 12.7°C (54.9°F) and a low of 6.8°C (44.2°F).Humidity
With an average relative humidity of 82%, January is the most humid month.Rainfall
In São Tiago, in January, it is raining for 13.5 days, with typically 106mm (4.17") of accumulated precipitation. In São Tiago, during the entire year, the rain falls for 125.7 days and collects up to 773mm (30.43") of precipitation.Daylight
In January, the average length of the day is 9h and 40min.On the first day of the month, sunrise is at 07:58 and sunset at 17:17. On the last day of January, sunrise is at 07:45 and sunset at 17:50 WET.
Sunshine
With an average of 4.9h of sunshine, January has the least sunshine of the year.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 estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 3 in January transforms into the following instructions:
Heed the precautions - It is counselled to guard against solar damage. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
What is the temperature in January?
What is the most humid month?
What is the average humidity in January?
How much does it rain in January?
What is the average length of the day 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?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
São Tiago, Portugal
- Average high temperature in January: 12.7°C
The warmest month (with the highest average high temperature) is August (26.6°C).
The month with the lowest average high temperature is January (12.7°C).
- Average low temperature in January: 6.8°C
The months with the highest average low temperature are July and August (15.3°C).
The coldest months (with the lowest average low temperature) are January and February (6.8°C).
Average pressure in January
São Tiago, Portugal
- Average pressure in January: 1021.9mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in January
São Tiago, Portugal
- Average wind speed in January: 9.9km/h
The windiest month (with the highest average wind speed) is February (10.3km/h).
The calmest month (with the lowest average wind speed) is September (7.8km/h).
Average humidity in January
São Tiago, Portugal
- Average humidity in January: 82%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are August and September (66%).
Average rainfall in January
São Tiago, Portugal
- Average rainfall in January: 106mm
The wettest month (with the highest rainfall) is November (124mm).
The driest month (with the least rainfall) is July (10mm).
Average rainfall days in January
São Tiago, Portugal
- Average rainfall days in January: 13.5 days
The month with the highest number of rainy days is November (15.6 days).
The month with the least rainy days is August (5 days).
Average daylight in January /
Average sunshine in January
São Tiago, 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 5min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in January
São Tiago, Portugal
- Average sunshine days in January: 16.5 days
The month with the most sunshine days is August (24.2 days).
The month with the least sunshine days is November (12.5 days).
Average UV index in January
São Tiago, Portugal
- Average UV index in January: 3
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in January
São Tiago, Portugal
- Average cloud cover in January: 47
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in January
São Tiago, Portugal
- Average visibility in January: 8km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
São Tiago, Portugal
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