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
Weather in January
Temperature
With average temperatures fluctuating between a high of 10.6°C (51.1°F) and a low of 4.1°C (39.4°F), January stands out as the coldest month.Humidity
January is the most humid month in Isthmia, with an average relative humidity of 79%.Rainfall
In Isthmia, in January, it is raining for 13 days, with typically 45mm (1.77") of accumulated precipitation. In Isthmia, during the entire year, the rain falls for 121.1 days and collects up to 396mm (15.59") of precipitation.Snowfall
Months with snowfall in Isthmia are January through March and December. In Isthmia, Greece, in January, during 1.3 snowfall days, 14mm (0.55") of snow is typically accumulated. In Isthmia, Greece, during the entire year, snow falls for 2.8 days and aggregates up to 48mm (1.89") of snow.Sea temperature
In Isthmia, Greece, the average seawater temperature in January is 15.8°C (60.4°F).Note: For swimming, a surface water temperature of 15.8°C (60.4°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).
Daylight
The average length of the day in January is 9h and 53min.On the first day of January in Isthmia, sunrise is at 07:43 and sunset at 17:18. On the last day of the month, sunrise is at 07:33 and sunset at 17:49 EET.
Sunshine
With an average of 5.9h of sunshine, January has the least sunshine of the year in Isthmia.UV index
The months with the lowest UV index in Isthmia are January, February, November 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: In January, the maximum UV index of 3 translates into these guidelines:
Ensure safety - Sun damage prevention is strongly urged. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
What time of the year is the coldest in Isthmia?
What is the average January temperature in Isthmia?
What is the most humid month in Isthmia?
What is the average humidity in January in Isthmia?
How many days does it rain in January in Isthmia?
How much does it snow in Isthmia in January?
What is the sea temperature in January in Isthmia?
How many hours of daylight does Isthmia have in January?
What time are sunrise and sunset in January in Isthmia?
What is the month with the least sunshine in Isthmia?
How long on average sun shines in January in Isthmia?
What is the month with the lowest UV index in Isthmia?
What is the UV index reading in January in Isthmia?
Average temperature in January
Isthmia, Greece
- Average high temperature in January: 10.6°C
The warmest month (with the highest average high temperature) is July (30.7°C).
The month with the lowest average high temperature is January (10.6°C).
- Average low temperature in January: 4.1°C
The month with the highest average low temperature is August (20.4°C).
The coldest month (with the lowest average low temperature) is January (4.1°C).
Average pressure in January
Isthmia, Greece
- Average pressure in January: 1016.9mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is July (1011.6mbar).
Average wind speed in January
Isthmia, Greece
- Average wind speed in January: 8.5km/h
The windiest month (with the highest average wind speed) is August (9.5km/h).
The calmest month (with the lowest average wind speed) is November (7.6km/h).
Average humidity in January
Isthmia, Greece
- Average humidity in January: 79%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (50%).
Average rainfall in January
Isthmia, Greece
- Average rainfall in January: 45mm
The wettest month (with the highest rainfall) is March (53mm).
The driest month (with the least rainfall) is August (9mm).
Average rainfall days in January
Isthmia, Greece
- Average rainfall days in January: 13 days
The month with the highest number of rainy days is February (13.3 days).
The month with the least rainy days is August (5 days).
Average snowfall in January
Isthmia, Greece
- Average snowfall in January: 14mm
The month with the highest snowfall is December (15mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in January
Isthmia, Greece
- Average snowfall days in January: 1.3 days
The month with the highest number of snowfall days is January (1.3 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
Isthmia, Greece
- Average sea temperature in January: 15.8°C
The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is February (15.3°C).
Average daylight in January /
Average sunshine in January
Isthmia, Greece
- 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 36min).
- Average sunshine in January: 5h and 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in January
Isthmia, Greece
- Average sunshine days in January: 14.9 days
The month with the most sunshine days is July (24.7 days).
The month with the least sunshine days is February (13.8 days).
Average UV index in January
Isthmia, Greece
- Average UV index in January: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in January
Isthmia, Greece
- Average cloud cover in January: 39
The month with the most cloud cover is January (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in January
Isthmia, Greece
- Average visibility in January: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).
Isthmia, Greece
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