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
January is the coldest month, with the temperature often reaching an average high of 12.6°C (54.7°F) and an average low of 8.6°C (47.5°F).Humidity
January and February, with an average relative humidity of 72%, are the most humid months.Rainfall
In Poros, in January, during 10.8 rainfall days, 27mm (1.06") of precipitation is typically accumulated. In Poros, during the entire year, the rain falls for 95.8 days and collects up to 262mm (10.31") of precipitation.Snowfall
January, February and December are months with snowfall. January is the month with the most snowfall. Snow falls for 0.4 days and accumulates 5mm (0.2") of snow.Sea temperature
In Poros, the average seawater temperature in January is 16°C (60.8°F).Note: Swimming in 16°C (60.8°F) is not a pleasurable activity for the majority of people. Breathing becomes increasingly challenging as water temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Poros, Greece, the average length of the day in January is 9h and 55min.On the first day of the month, sunrise is at 07:40 and sunset at 17:18. On the last day of January, sunrise is at 07:30 and sunset at 17:48 EET.
Sunshine
The month with the least sunshine is January, with an average of 6.1h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: During January, 3 as the daily maximum UV index converts into the following advice:
Exercise prevention - Protecting skin and eyes from harm is required. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
What are January temperatures?
What is the most humid month?
What is the average humidity in January?
How much does it rain in January?
When does it snow the most?
How much does it snow in January?
What is the sea water temperature in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What is the month with the lowest UV index in Poros?
How high is the UV index in January?
Average temperature in January
Poros, Greece
- Average high temperature in January: 12.6°C
The warmest month (with the highest average high temperature) is August (29.7°C).
The month with the lowest average high temperature is January (12.6°C).
- Average low temperature in January: 8.6°C
The month with the highest average low temperature is August (24.2°C).
The coldest month (with the lowest average low temperature) is January (8.6°C).
Average pressure in January
Poros, Greece
- Average pressure in January: 1016.8mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is July (1011.3mbar).
Average wind speed in January
Poros, Greece
- Average wind speed in January: 14.6km/h
The windiest month (with the highest average wind speed) is January (14.6km/h).
The calmest month (with the lowest average wind speed) is May (11.1km/h).
Average humidity in January
Poros, Greece
- Average humidity in January: 72%
The months with the highest relative humidity are January and February (72%).
The month with the lowest relative humidity is August (56%).
Average rainfall in January
Poros, Greece
- Average rainfall in January: 27mm
The wettest month (with the highest rainfall) is December (36mm).
The driest months (with the least rainfall) are July and August (6mm).
Average rainfall days in January
Poros, Greece
- Average rainfall days in January: 10.8 days
The month with the highest number of rainy days is January (10.8 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in January
Poros, Greece
- Average snowfall in January: 5mm
The month with the highest snowfall is January (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in January
Poros, Greece
- Average snowfall days in January: 0.4 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in January
Poros, Greece
- Average sea temperature in January: 16°C
The best month for swimming (with the highest average sea temperature) is August (26.5°C).
The coldest month (with the lowest average sea temperature) is February (15.3°C).
Average daylight in January /
Average sunshine in January
Poros, Greece
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 6h and 1min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in January
Poros, Greece
- Average sunshine days in January: 16.5 days
The month with the most sunshine days is July (27 days).
The month with the least sunshine days is January (16.5 days).
Average UV index in January
Poros, Greece
- Average UV index in January: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in January
Poros, Greece
- Average cloud cover in January: 35
The months with the most cloud cover are January and February (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in January
Poros, Greece
- 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).
