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 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
January
Weather in January
Temperature
January is the coldest month of the year, registering average temperatures as high as 13.7°C (56.7°F) and as low as 6.2°C (43.2°F).Humidity
The most humid month is January, with an average relative humidity of 82%.Rainfall
In January, the rain falls for 13 days. Throughout January, 44mm (1.73") of precipitation is accumulated. Throughout the year, in Casais Robustos, there are 113.2 rainfall days, and 426mm (16.77") of precipitation is accumulated.Daylight
In January, the average length of the day is 9h and 45min.On the first day of January, sunrise is at 07:54 and sunset at 17:21. On the last day of the month, sunrise is at 07:43 and sunset at 17:52 WET.
Sunshine
With an average of 4.9h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 3 in January leads to these recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
What are the temperatures in January?
What is the most humid month?
What is the average humidity in January?
How much does it rain in January?
How many hours of daylight does Casais Robustos have in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Casais Robustos, Portugal
- Average high temperature in January: 13.7°C
The warmest month (with the highest average high temperature) is August (31.3°C).
The month with the lowest average high temperature is January (13.7°C).
- Average low temperature in January: 6.2°C
The month with the highest average low temperature is July (15.3°C).
The coldest months (with the lowest average low temperature) are January and February (6.2°C).
Average pressure in January
Casais Robustos, Portugal
- Average pressure in January: 1022.3mbar
The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in January
Casais Robustos, Portugal
- Average wind speed in January: 11.4km/h
The windiest month (with the highest average wind speed) is July (13.3km/h).
The calmest month (with the lowest average wind speed) is October (10.5km/h).
Average humidity in January
Casais Robustos, Portugal
- Average humidity in January: 82%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (61%).
Average rainfall in January
Casais Robustos, Portugal
- Average rainfall in January: 44mm
The wettest month (with the highest rainfall) is November (66mm).
The driest months (with the least rainfall) are July and August (4mm).
Average rainfall days in January
Casais Robustos, Portugal
- Average rainfall days in January: 13 days
The month with the highest number of rainy days is April (14.3 days).
The month with the least rainy days is August (3 days).
Average daylight in January /
Average sunshine in January
Casais Robustos, Portugal
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in January
Casais Robustos, Portugal
- Average sunshine days in January: 15.8 days
The month with the most sunshine days is July (27.6 days).
The month with the least sunshine days is April (14 days).
Average UV index in January
Casais Robustos, Portugal
- Average UV index in January: 3
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, November and December (UV index 3).
Average cloud cover in January
Casais Robustos, Portugal
- Average cloud cover in January: 46
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in January
Casais Robustos, Portugal
- Average visibility in January: 8km
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).
