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 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
As Arialva, Portugal, welcomes October, the average high-temperature stabilizes at an agreeable 22.7°C (72.9°F), showing little deviation from September's 25.6°C (78.1°F). Arialva observes an average low-temperature of 16.8°C (62.2°F) during October nights.Humidity
In Arialva, the average relative humidity in October is 70%.Rainfall
In October, in Arialva, Portugal, the rain falls for 6.1 days. Throughout October, 7mm (0.28") of precipitation is accumulated. In Arialva, during the entire year, the rain falls for 54.2 days and collects up to 61mm (2.4") of precipitation.Daylight
In October, the average length of the day is 11h and 11min.On the first day of the month, sunrise is at 07:33 and sunset at 19:19 WEST. On the last day of October, in Arialva, Portugal, sunrise is at 07:02 and sunset at 17:37 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 October, the average sunshine is 7.3h.UV index
In October, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 5 in October interprets into the following advice:
Be vigilant - A duty to shield skin and eyes from injury exists. Around midday, solar radiation is most harmful; hence, exposure should be limited. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average October temperature in Arialva?
What is the average humidity in October in Arialva?
How much does it rain in Arialva in October?
How many hours of daylight does Arialva have in October?
When are sunrise and sunset in October in Arialva?
When does Daylight Saving Time (DST) end in October in Arialva?
How long on average sun shines in October in Arialva?
What is the UV index reading in October in Arialva?
Average temperature in October
Arialva, Portugal
- Average high temperature in October: 22.7°C
The warmest month (with the highest average high temperature) is August (27.1°C).
The month with the lowest average high temperature is January (14.9°C).
- Average low temperature in October: 16.8°C
The month with the highest average low temperature is July (17.9°C).
The coldest month (with the lowest average low temperature) is February (9.8°C).
Average pressure in October
Arialva, Portugal
- Average pressure in October: 1016mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in October
Arialva, Portugal
- Average wind speed in October: 13.3km/h
The windiest month (with the highest average wind speed) is February (16.5km/h).
The calmest month (with the lowest average wind speed) is September (13.1km/h).
Average humidity in October
Arialva, Portugal
- Average humidity in October: 70%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (68%).
Average rainfall in October
Arialva, Portugal
- Average rainfall in October: 7mm
The wettest month (with the highest rainfall) is November (15mm).
The driest months (with the least rainfall) are June, July and August (1mm).
Average rainfall days in October
Arialva, Portugal
- Average rainfall days in October: 6.1 days
The month with the highest number of rainy days is November (9.3 days).
The month with the least rainy days is August (0.8 days).
Average daylight in October /
Average sunshine in October
Arialva, Portugal
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in October: 7h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in October
Arialva, Portugal
- Average sunshine days in October: 22.2 days
The month with the most sunshine days is July (29.7 days).
The month with the least sunshine days is November (17.7 days).
Average UV index in October
Arialva, Portugal
- Average UV index in October: 5
The months with the highest UV index are May, June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in October
Arialva, Portugal
- Average cloud cover in October: 28
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in October
Arialva, Portugal
- Average visibility in October: 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).
