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
The coldest time of the year is January, with temperatures averaging a high of 13.3°C (55.9°F) and a low of 7.8°C (46°F).Humidity
The most humid month is January, with an average relative humidity of 81%.Rainfall
In January, the rain falls for 14.5 days. Throughout January, 78mm (3.07") of precipitation is accumulated. In Ilhavo, during the entire year, the rain falls for 125.4 days and collects up to 619mm (24.37") of precipitation.Daylight
In Ilhavo, the average length of the day in January is 9h and 40min.On the first day of the month, sunrise is at 07:58 and sunset at 17:17. On the last day of January, in Ilhavo, sunrise is at 07:45 and sunset at 17:50 WET.
Sunshine
January has the least sunshine of the year in Ilhavo, with an average of 5.2h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Ilhavo. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 3 in January translates into the following instructions:
Exercise prevention - Precautions against solar damage are endorsed. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Ilhavo?
What are the temperatures in Ilhavo in January?
What is the most humid month in Ilhavo?
What is the average humidity in January in Ilhavo?
How much does it rain in Ilhavo in January?
What is the average length of the day in January in Ilhavo?
When are sunrise and sunset in January in Ilhavo?
What is the month with the least sunshine in Ilhavo?
How long on average sun shines in January in Ilhavo?
What is the month with the lowest UV index in Ilhavo?
What is the UV index intensity in January in Ilhavo?
Average temperature in January
Ilhavo, Portugal
- Average high temperature in January: 13.3°C
The warmest month (with the highest average high temperature) is August (25.4°C).
The month with the lowest average high temperature is January (13.3°C).
- Average low temperature in January: 7.8°C
The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is February (7.6°C).
Average pressure in January
Ilhavo, Portugal
- Average pressure in January: 1022mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in January
Ilhavo, Portugal
- Average wind speed in January: 12.3km/h
The windiest month (with the highest average wind speed) is February (12.9km/h).
The calmest month (with the lowest average wind speed) is September (9.8km/h).
Average humidity in January
Ilhavo, Portugal
- Average humidity in January: 81%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is September (70%).
Average rainfall in January
Ilhavo, Portugal
- Average rainfall in January: 78mm
The wettest month (with the highest rainfall) is November (94mm).
The driest month (with the least rainfall) is July (6mm).
Average rainfall days in January
Ilhavo, Portugal
- Average rainfall days in January: 14.5 days
The month with the highest number of rainy days is November (14.9 days).
The month with the least rainy days is August (3.3 days).
Average daylight in January /
Average sunshine in January
Ilhavo, Portugal
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in January
Ilhavo, Portugal
- Average sunshine days in January: 15 days
The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is November (12.9 days).
Average UV index in January
Ilhavo, Portugal
- Average UV index in January: 3
The months with the highest UV index are May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in January
Ilhavo, Portugal
- Average cloud cover in January: 43
The month with the most cloud cover is January (Cloud cover 43).
The months with the least cloud cover are July, August and September (Cloud cover 19).
Average visibility in January
Ilhavo, Portugal
- Average visibility in January: 9km
The months with the highest visibility are February, June and December (10km).
The months with the lowest visibility are January, March, April, May, July, August, September, October and November (9km).
