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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, like December, in São Tiago, Portugal, is a cool winter month, with temperature in the range of an average high of 12.7°C (54.9°F) and an average low of 6.8°C (44.2°F). 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). Weather in January »
Weather in February
February, the last month of the winter in São Tiago, is a mild month, with an average temperature ranging between max 13.5°C (56.3°F) and min 6.8°C (44.2°F). The high-temperature average in February for São Tiago is a mild 13.5°C (56.3°F), staying closely aligned with January's conditions. Weather in February »
Weather in March
March, the first month of the spring in São Tiago, is a comfortable month, with an average temperature fluctuating between 8°C (46.4°F) and 16°C (60.8°F). São Tiago ushers in March with an average high-temperature of a still refreshing 16°C (60.8°F), showing a close resemblance to the previous month. Weather in March »
Weather in April
April, the same as March, is another refreshing spring month in São Tiago, Portugal, with an average temperature varying between 17.8°C (64°F) and 9°C (48.2°F). The arrival of April sees an average high-temperature of a still refreshing 17.8°C (64°F), hardly diverging from March's 16°C (60.8°F). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in São Tiago, Portugal, with an average temperature varying between 21.1°C (70°F) and 11.5°C (52.7°F). With the start of May, the average high-temperature marginally shifts from April's comfortable 17.8°C (64°F) to a pleasant 21.1°C (70°F). Weather in May »
Weather in June
June, the first month of the summer in São Tiago, is a moderately hot month, with an average temperature varying between 13.7°C (56.7°F) and 23.2°C (73.8°F). São Tiago, Portugal, starts June with an average high-temperature of a warm 23.2°C (73.8°F), hinting at a minimal fluctuation from May. Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in São Tiago, Portugal, with an average temperature fluctuating between 15.3°C (59.5°F) and 25.9°C (78.6°F). July reports an average high-temperature of a still warm 25.9°C (78.6°F), slightly varied from June's 23.2°C (73.8°F). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in São Tiago, Portugal, with an average temperature varying between 26.6°C (79.9°F) and 15.3°C (59.5°F). In São Tiago, the month of August registers the highest temperatures, averaging 26.6°C (79.9°F) at the peak and 15.3°C (59.5°F) at the lowest. Weather in August »
Weather in September
September, the first month of the autumn in São Tiago, is still a warm month, with an average temperature varying between 25.2°C (77.4°F) and 14.6°C (58.3°F). The arrival of September brings an average high-temperature of a still moderately hot 25.2°C (77.4°F), closely following the temperature pattern of August. Weather in September »
Weather in October
October, like September, is another pleasant autumn month in São Tiago, Portugal, with an average temperature fluctuating between 13.4°C (56.1°F) and 21.3°C (70.3°F). As October commences, the average high-temperature subtly reduces, transitioning from a warm 25.2°C (77.4°F) in September to a pleasant 21.3°C (70.3°F). Weather in October »
Weather in November
The last month of the autumn, November, is also a moderate month in São Tiago, Portugal, with temperature in the range of an average low of 9.6°C (49.3°F) and an average high of 15.3°C (59.5°F). With the onset of November, São Tiago experiences a modest temperature adjustment, with the average high-temperature receding from an agreeable 21.3°C (70.3°F) in October to a refreshing 15.3°C (59.5°F). Weather in November »
Weather in December
December, the first month of the winter in São Tiago, is also a moderate month, with temperature in the range of an average low of 7.9°C (46.2°F) and an average high of 13.6°C (56.5°F). The average high-temperature in December, at a still moderate 13.6°C (56.5°F), reveals a modest deviation from November's 15.3°C (59.5°F). Weather in December »
Updated: Aug 7, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
In São Tiago, January is the month with the lowest recorded average temperatures, measuring a high of 12.7°C (54.9°F) and a low of 6.8°C (44.2°F).
What is the most humid month?
The most humid month is January, with an average relative humidity of 82%.
How many days does it rain?
Throughout the year, there are 125.7 rainfall days, and 773mm (30.43") of precipitation is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 4.9h of sunshine.
What are the months with the lowest UV index?
January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index.
When are the longest days?
June has the longest days of the year, with an average of 15h and 0min of daylight.
What is the driest month?
The month with the least rainfall is July, when the rain falls for 5.6 days and typically collects 10mm (0.39") of precipitation.
What month has the most sunshine?
With an average of 11h of sunshine, July has the most sunshine of the year in São Tiago.
What month is the hottest?
August stands out as São Tiago's warmest month, with temperatures ranging between an average high of 26.6°C (79.9°F) and a low of 15.3°C (59.5°F).
What are the least humid months?
August and September, with an average relative humidity of 66%, are the least humid months.
When is the highest UV index?
The month with the highest UV index is August, with an average maximum UV index of 6.
When is Daylight Saving Time (DST)?
On Sunday, 27. October 2024, at 02:00, Daylight Saving Time ends, and the time zone changes from WEST to WET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 01:00, and the time zone reverts from WET to WEST.
What is the wettest month in São Tiago?
The month with the most rainfall is November, when the rain falls for 15.6 days and typically aggregates up to 124mm (4.88") of precipitation.
What is the month with the shortest days?
December has the shortest days of the year in São Tiago, with an average of 9h and 18min of daylight.
Average temperature
São Tiago, Portugal
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).
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
São Tiago, Portugal
- Average pressure in January:
1021.9mbar - Average pressure in February:
1019.9mbar - Average pressure in March:
1017.6mbar - Average pressure in April:
1015.3mbar - Average pressure in May:
1016.5mbar - Average pressure in June:
1017.1mbar
- Average pressure in July:
1017.1mbar - Average pressure in August:
1017.1mbar - Average pressure in September:
1017.3mbar - Average pressure in October:
1016.1mbar - Average pressure in November:
1017.2mbar - Average pressure in December:
1022.5mbar
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
São Tiago, Portugal
- Average wind speed in January:
9.9km/h - Average wind speed in February:
10.3km/h - Average wind speed in March:
10.2km/h - Average wind speed in April:
9.2km/h - Average wind speed in May:
9.3km/h - Average wind speed in June:
8.8km/h
- Average wind speed in July:
8.6km/h - Average wind speed in August:
8.2km/h - Average wind speed in September:
7.8km/h - Average wind speed in October:
8.9km/h - Average wind speed in November:
10km/h - Average wind speed in December:
9.7km/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
São Tiago, Portugal
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are August and September (66%).
Average rainfall
São Tiago, Portugal
The wettest month (with the highest rainfall) is November (124mm).
The driest month (with the least rainfall) is July (10mm).
Average rainfall days
São Tiago, Portugal
- Average rainfall days in January:
13.5 days - Average rainfall days in February:
10.4 days - Average rainfall days in March:
11.9 days - Average rainfall days in April:
12.9 days - Average rainfall days in May:
10.3 days - Average rainfall days in June:
9.3 days
- Average rainfall days in July:
5.6 days - Average rainfall days in August:
5 days - Average rainfall days in September:
6.2 days - Average rainfall days in October:
12.1 days - Average rainfall days in November:
15.6 days - Average rainfall days in December:
12.9 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 / Average sunshine
São Tiago, Portugal
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
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 - Average sunshine in February:
6h and 3min - Average sunshine in March:
7h and 2min - Average sunshine in April:
8h and 1min - Average sunshine in May:
9h and 5min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
10h and 4min - Average sunshine in September:
9h and 1min - Average sunshine in October:
6h and 4min - Average sunshine in November:
5h and 1min - Average sunshine in December:
5h and 3min
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
São Tiago, Portugal
- Average sunshine days in January:
16.5 days - Average sunshine days in February:
16.8 days - Average sunshine days in March:
18.5 days - Average sunshine days in April:
15.5 days - Average sunshine days in May:
19.4 days - Average sunshine days in June:
18.3 days
- Average sunshine days in July:
23.3 days - Average sunshine days in August:
24.2 days - Average sunshine days in September:
21.8 days - Average sunshine days in October:
18.1 days - Average sunshine days in November:
12.5 days - Average sunshine days in December:
16.9 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
São Tiago, Portugal
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
São Tiago, Portugal
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
São Tiago, Portugal
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).
