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 sea temperature 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
Cacilhas's coldest month, January, generally records average temperatures ranging from a high of 14.8°C (58.6°F) to a low of 11.3°C (52.3°F).Humidity
January, April, July and December, with an average relative humidity of 75%, are the most humid months in Cacilhas.Rainfall
In Cacilhas, Portugal, during January, the rain falls for 9 days and regularly aggregates up to 18mm (0.71") of precipitation. In Cacilhas, during the entire year, the rain falls for 85.8 days and collects up to 215mm (8.46") of precipitation.Sea temperature
In January, the average sea temperature in Cacilhas is 15.8°C (60.4°F).Note: Swimming in 15.8°C (60.4°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).
Daylight
In January, the average length of the day is 9h and 49min.On the first day of January, sunrise is at 07:54 and sunset at 17:25. On the last day of the month, sunrise is at 07:43 and sunset at 17:56 WET.
Sunshine
With an average of 5.5h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index in Cacilhas are January through March, November and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, the UV index of 4 transforms into the following advice:
Guard yourself - Precautionary measures against sun damage are advocated. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
What time of the year is the coldest in Cacilhas?
What is the average January temperature in Cacilhas?
What is the most humid month in Cacilhas?
What is the average humidity in January in Cacilhas?
How many days does it rain in January in Cacilhas?
How cold is the water in January in Cacilhas?
What is the average length of the day in January in Cacilhas?
What time are sunrise and sunset in January in Cacilhas?
What is the month with the least sunshine in Cacilhas?
How many hours of sunshine does Cacilhas have in January?
When is the lowest UV index in Cacilhas?
What is the UV index intensity in January in Cacilhas?
Average temperature in January
Cacilhas, Portugal
- Average high temperature in January: 14.8°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (14.8°C).
- Average low temperature in January: 11.3°C
The month with the highest average low temperature is August (18.6°C).
The coldest month (with the lowest average low temperature) is February (10.8°C).
Average pressure in January
Cacilhas, Portugal
- Average pressure in January: 1022.5mbar
The months with the highest atmospheric pressure are January and December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in January
Cacilhas, Portugal
- Average wind speed in January: 18.9km/h
The windiest month (with the highest average wind speed) is February (19.5km/h).
The calmest month (with the lowest average wind speed) is October (15.6km/h).
Average humidity in January
Cacilhas, Portugal
- Average humidity in January: 75%
The months with the highest relative humidity are January, April, July and December (75%).
The months with the lowest relative humidity are May and October (72%).
Average rainfall in January
Cacilhas, Portugal
- Average rainfall in January: 18mm
The wettest month (with the highest rainfall) is November (44mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in January
Cacilhas, Portugal
- Average rainfall days in January: 9 days
The month with the highest number of rainy days is November (12.4 days).
The month with the least rainy days is August (1.9 days).
Average sea temperature in January
Cacilhas, Portugal
- Average sea temperature in January: 15.8°C
The best month for swimming (with the highest average sea temperature) is September (19.9°C).
The coldest month (with the lowest average sea temperature) is March (15.1°C).
Average daylight in January /
Average sunshine in January
Cacilhas, Portugal
- Average daylight in January: 9h and 5min
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 January: 5h and 3min
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 30min).
Average sunshine days in January
Cacilhas, Portugal
- Average sunshine days in January: 20.3 days
The month with the most sunshine days is August (28 days).
The month with the least sunshine days is November (15.6 days).
Average UV index in January
Cacilhas, Portugal
- Average UV index in January: 4
The months with the highest UV index are 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 January
Cacilhas, Portugal
- Average cloud cover in January: 40
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 January
Cacilhas, Portugal
- Average visibility in January: 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).
Cacilhas, Portugal
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