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 snowfall in January
- Average snowfall 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
January
Weather in January
Temperature
With average high temperatures of 9.9°C (49.8°F) and lows of 6.3°C (43.3°F), January is the coldest month.Humidity
In January, the average relative humidity in Irun is 79%.Rainfall
In Irun, in January, it is raining for 19.3 days, with typically 109mm (4.29") of accumulated precipitation. In Irun, during the entire year, the rain falls for 207.1 days and collects up to 868mm (34.17") of precipitation.Snowfall
January through March and December are months with snowfall. In Irun, Spain, in January, snow falls for 0.7 days, with typically accumulated 2mm (0.08") of snow. Throughout the year, in Irun, there are 3.5 snowfall days, and 17mm (0.67") of snow is accumulated.Sea temperature
In Irun, in January, the average water temperature is 12.7°C (54.9°F).Note: To swim in 12.7°C (54.9°F) at less than 10°C (50°F), ensure you're well-protected. Without it, be prepared for a sudden jolt of cold and breathing issues. Remember, even 13°C (55.4°F) is not welcoming.
Daylight
The average length of the day in January is 9h and 24min.On the first day of the month, sunrise is at 08:39 and sunset at 17:41. On the last day of January, in Irun, sunrise is at 08:24 and sunset at 18:16 CET.
Sunshine
The average sunshine in January is 5.3h.UV index
The months with the lowest UV index in Irun are January through April, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, a regular UV index of 3 translates into these guidelines:
Take precautions - Protection against skin and eye damage is obliged. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Irun?
What is the average January temperature in Irun?
What is the average humidity in January in Irun?
How much does it rain in Irun in January?
How much does it snow in Irun in January?
What is the water temperature in January in Irun?
What is the average length of the day in January in Irun?
When is the sunrise / sunset in January in Irun?
How long on average sun shines in January in Irun?
When is the lowest UV index in Irun?
How high is the UV index in January in Irun?
Average temperature in January
Irun, Spain
- Average high temperature in January: 9.9°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (9.9°C).
- Average low temperature in January: 6.3°C
The month with the highest average low temperature is August (16.9°C).
The coldest month (with the lowest average low temperature) is February (6°C).
Average pressure in January
Irun, Spain
- Average pressure in January: 1020.4mbar
The month with the highest atmospheric pressure is December (1021.8mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in January
Irun, Spain
- Average wind speed in January: 15.8km/h
The windiest month (with the highest average wind speed) is November (16.3km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).
Average humidity in January
Irun, Spain
- Average humidity in January: 79%
The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is October (75%).
Average rainfall in January
Irun, Spain
- Average rainfall in January: 109mm
The wettest month (with the highest rainfall) is November (137mm).
The driest month (with the least rainfall) is July (42mm).
Average rainfall days in January
Irun, Spain
- Average rainfall days in January: 19.3 days
The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is August (14.2 days).
Average snowfall in January
Irun, Spain
- Average snowfall in January: 2mm
The month with the highest snowfall is February (9mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in January
Irun, Spain
- Average snowfall days in January: 0.7 days
The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in January
Irun, Spain
- Average sea temperature in January: 12.7°C
The best month for swimming (with the highest average sea temperature) is August (21.4°C).
The coldest month (with the lowest average sea temperature) is February (12.4°C).
Average daylight in January /
Average sunshine in January
Irun, Spain
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 5h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is November (Average sunshine: 5h and 0min).
Average sunshine days in January
Irun, Spain
- Average sunshine days in January: 10 days
The month with the most sunshine days is August (13.8 days).
The months with the least sunshine days are May and November (7.8 days).
Average UV index in January
Irun, Spain
- 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, March, April, November and December (UV index 3).
Average cloud cover in January
Irun, Spain
- Average cloud cover in January: 52
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in January
Irun, Spain
- Average visibility in January: 9km
The months with the highest visibility are February, March, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, April, May and November (9km).
