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
In the transition from December to January, Rosais reports an average high-temperature of a still comfortable 16.3°C (61.3°F), indicating a close resemblance to the prior month. Night temperatures during January experience a slight downturn, averaging a mild 14.8°C (58.6°F).Humidity
In January, the average relative humidity is 81%.Rainfall
In Rosais, Portugal, during January, the rain falls for 18.8 days and regularly aggregates up to 83mm (3.27") of precipitation. In Rosais, Portugal, during the entire year, the rain falls for 204.1 days and collects up to 744mm (29.29") of precipitation.Daylight
The average length of the day in January is 9h and 49min.On the first day of January, sunrise is at 08:10 and sunset at 17:41. On the last day of the month, sunrise is at 07:59 and sunset at 18:12 -01.
Sunshine
In January, the average sunshine in Rosais is 5.5h.UV index
January through May, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Rosais, Portugal. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: A daily high UV index of 4 in January leads to these guidelines:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Rosais in January?
What is the average humidity in January in Rosais?
How much does it rain in Rosais in January?
How many hours of daylight does Rosais have in January?
When is the sunrise / sunset in January in Rosais?
How long on average sun shines in January in Rosais?
What is the month with the lowest UV index in Rosais?
How high is the UV index in January in Rosais?
Average temperature in January
Rosais, Portugal
- Average high temperature in January: 16.3°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is March (15.3°C).
- Average low temperature in January: 14.8°C
The month with the highest average low temperature is August (21.2°C).
The coldest month (with the lowest average low temperature) is March (13.8°C).
Average pressure in January
Rosais, Portugal
- Average pressure in January: 1022.7mbar
The month with the highest atmospheric pressure is July (1024.6mbar).
The month with the lowest atmospheric pressure is October (1016.8mbar).
Average wind speed in January
Rosais, Portugal
- Average wind speed in January: 25.3km/h
The windiest month (with the highest average wind speed) is December (25.6km/h).
The calmest month (with the lowest average wind speed) is July (14.4km/h).
Average humidity in January
Rosais, Portugal
- Average humidity in January: 81%
The month with the highest relative humidity is June (83%).
The months with the lowest relative humidity are September and November (78%).
Average rainfall in January
Rosais, Portugal
- Average rainfall in January: 83mm
The wettest month (with the highest rainfall) is December (116mm).
The driest month (with the least rainfall) is July (26mm).
Average rainfall days in January
Rosais, Portugal
- Average rainfall days in January: 18.8 days
The month with the highest number of rainy days is October (20 days).
The month with the least rainy days is July (13.6 days).
Average daylight in January /
Average sunshine in January
Rosais, 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: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in January
Rosais, Portugal
- Average sunshine days in January: 6.8 days
The month with the most sunshine days is July (11 days).
The months with the least sunshine days are February and December (6.3 days).
Average UV index in January
Rosais, Portugal
- Average UV index in January: 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, March, April, May, November and December (UV index 4).
Average cloud cover in January
Rosais, Portugal
- Average cloud cover in January: 54
The months with the most cloud cover are January, March, November and December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in January
Rosais, 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).
