October
Weather in October
Temperature
The transition into October notes an average high-temperature of an agreeable 21.9°C (71.4°F), revealing a mild distinction from the 24.3°C (75.7°F) in September. In Santa Maria Island, October's nights observe an average temperature dip to a refreshing 16.7°C (62.1°F).Humidity
In October, the average relative humidity is 77%.Rainfall
In Santa Maria Island, during October, the rain falls for 10 days and regularly aggregates up to 84mm (3.31") of precipitation. Throughout the year, there are 100 rainfall days, and 775mm (30.51") of precipitation is accumulated.Sea temperature
In Santa Maria Island, in October, the average water temperature is 22°C (71.6°F).Note: If you're wary of the cold, the surrounding conditions—sunshine, wind, and air temperature become crucial when swimming in 22°C (71.6°F) waters. Olympic standards, for reference, are set between 25°C (77°F) and 28°C (82.4°F).
Daylight
In October, the average length of the day is 11h and 14min.On the first day of the month, sunrise is at 07:36 and sunset at 19:23 +00. On the last day of October, sunrise is at 07:04 and sunset at 17:43 -01.
Note: On Sunday, 27. October 2024, at 01:00, Daylight Saving Time ends, and the time zone changes from +00 to -01. Daylight Saving Time starts again on Sunday, 30. March 2025, at 00:00; consequently, the time zone reverts from -01 to +00.
Sunshine
In Santa Maria Island, the average sunshine in October is 4.8h.UV index
The average daily maximum UV index in October is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 5 during October translates into these guidelines:
Take precautions - Protection against skin and eye damage is obliged. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Experience reduced UV exposure by about half when donning a wide-brim hat. Note! The Sun's UV radiation gets intensified with the reflection from sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average October temperature?
What is the average humidity in October?
How much does it rain in Santa Maria Island in October?
What is the water temperature in October?
What is the average length of the day in October?
What time are sunrise and sunset in October?
When does Daylight Saving Time (DST) end in October?
How many hours of sunshine does Santa Maria Island have in October?
How high is the UV index in October?
Average temperature in October
Santa Maria Island, Portugal
- Average high temperature in October: 21.9°C
The warmest month (with the highest average high temperature) is August (25.1°C).
The month with the lowest average high temperature is February (16.5°C).
- Average low temperature in October: 16.7°C
The month with the highest average low temperature is August (19.2°C).
The coldest month (with the lowest average low temperature) is February (11.5°C).
Average humidity in October
Santa Maria Island, Portugal
- Average humidity in October: 77%
The months with the highest relative humidity are January and December (79%).
The months with the lowest relative humidity are April, May, July and August (75%).
Average rainfall in October
Santa Maria Island, Portugal
- Average rainfall in October: 84mm
The wettest month (with the highest rainfall) is November (102mm).
The driest month (with the least rainfall) is June (22mm).
Average rainfall days in October
Santa Maria Island, Portugal
- Average rainfall days in October: 10 days
The months with the highest number of rainy days are January and December (12 days).
The months with the least rainy days are June and July (4 days).
Average sea temperature in October
Santa Maria Island, Portugal
- Average sea temperature in October: 22°C
The best month for swimming (with the highest average sea temperature) is August (24°C).
The coldest months (with the lowest average sea temperature) are January, February, March and April (17°C).
Average daylight in October /
Average sunshine in October
Santa Maria Island, Portugal
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in October: 4h and 5min
The month with the most sunshine is July (Average sunshine: 8h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average UV index in October
Santa Maria Island, Portugal
- Average UV index in October: 5
The months with the highest UV index are June, July and August (UV index 9).
The months with the lowest UV index are January and December (UV index 2).
