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
January, with its average high-temperature of 12.7°C (54.9°F) and an average low-temperature of 6.8°C (44.2°F), holds the record as the coldest month.Humidity
January is the most humid month, with an average relative humidity of 82%.Rainfall
In São Tiago, in January, it is raining for 13.5 days, with typically 106mm (4.17") of accumulated precipitation. Throughout the year, in São Tiago, there are 125.7 rainfall days, and 773mm (30.43") of precipitation is accumulated.Daylight
In São Tiago, the average length of the day in January is 9h and 40min.On the first day of January in São Tiago, sunrise is at 07:58 and sunset at 17:17. On the last day of the month, sunrise is at 07:45 and sunset at 17:50 WET.
Sunshine
January has the least sunshine of the year in São Tiago, Portugal, with an average of 4.9h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index in São Tiago. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In January, the UV index of 3 transforms into the following advice:
Prioritize safety - Recommendations to avert sunburn are shared. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in São Tiago?
What is the usual temperature for São Tiago in January?
What is the most humid month in São Tiago?
What is the average humidity in January in São Tiago?
How much does it rain in São Tiago in January?
What is the average length of the day in January in São Tiago?
When is the sunrise / sunset in January in São Tiago?
What is the month with the least sunshine in São Tiago?
How long on average sun shines in January in São Tiago?
What is the month with the lowest UV index in São Tiago?
How high is the UV index in January in São Tiago?
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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