Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
October
Weather in October
Temperature
A moderate decline in the average high-temperature is seen during October, decreasing from a moderately hot 25.8°C (78.4°F) in September to a comfortable 19.9°C (67.8°F). During October, an average low-temperature of 10°C (50°F) is observed.Humidity
The average relative humidity in October is 69%.Rainfall
In São Gião, during October, the rain falls for 10.1 days and regularly aggregates up to 51mm (2.01") of precipitation. Throughout the year, there are 116.6 rainfall days, and 496mm (19.53") of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 5mm (0.2") of snow. Throughout the year, there are 15.4 snowfall days, and 244mm (9.61") of snow is accumulated.Daylight
In October, the average length of the day in São Gião is 11h and 8min.On the first day of October, sunrise is at 07:28 and sunset at 19:13 WEST. On the last day of the month, sunrise is at 07:00 and sunset at 17:29 WET.
Note: On Sunday, 27. October 2024, at 02:00, Daylight Saving Time ends, and the time zone changes from WEST to WET. Daylight Saving Time starts again on Sunday, 30. March 2025, at 01:00; consequently, the time zone reverts from WET to WEST.
Sunshine
In São Gião, the average sunshine in October is 6.5h.UV index
In October, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 4 during October translates into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October?
What is the average humidity in October?
How much does it rain in October?
When does it start to snow?
What is the average length of the day in October?
When is the sunrise / sunset in October?
When does Daylight Saving Time (DST) end in October?
How long on average sun shines in October?
How high is the UV index in October?
Average temperature in October
São Gião, Portugal
- Average high temperature in October: 19.9°C
The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (9.8°C).
- Average low temperature in October: 10°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (2.3°C).
Average pressure in October
São Gião, Portugal
- Average pressure in October: 1016.3mbar
The month with the highest atmospheric pressure is December (1023mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in October
São Gião, Portugal
- Average wind speed in October: 9.1km/h
The windiest month (with the highest average wind speed) is February (11.5km/h).
The calmest month (with the lowest average wind speed) is September (8.3km/h).
Average humidity in October
São Gião, Portugal
- Average humidity in October: 69%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (51%).
Average rainfall in October
São Gião, Portugal
- Average rainfall in October: 51mm
The wettest month (with the highest rainfall) is December (83mm).
The driest months (with the least rainfall) are July and August (7mm).
Average rainfall days in October
São Gião, Portugal
- Average rainfall days in October: 10.1 days
The month with the highest number of rainy days is April (16.1 days).
The month with the least rainy days is August (2.5 days).
Average snowfall in October
São Gião, Portugal
- Average snowfall in October: 5mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in October
São Gião, Portugal
- Average snowfall days in October: 0.4 days
The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
São Gião, Portugal
- Average daylight in October: 11h and 1min
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 24min).
- Average sunshine in October: 6h and 3min
The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in October
São Gião, Portugal
- Average sunshine days in October: 19.3 days
The month with the most sunshine days is August (27.5 days).
The month with the least sunshine days is April (12.7 days).
Average UV index in October
São Gião, Portugal
- Average UV index in October: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
São Gião, Portugal
- Average cloud cover in October: 36
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in October
São Gião, Portugal
- Average visibility in October: 9km
The months with the highest visibility are July and August (10km).
The month with the lowest visibility is January (7km).
