January weather forecastIstro, Greece

January

Weather in January

January, like December, is a moderate winter month in Istro, Greece, with an average temperature varying between 11.5°C (52.7°F) and 14.2°C (57.6°F).

Temperature

January brings the lowest temperatures, with an average high of 14.2°C (57.6°F) and an average low of 11.5°C (52.7°F).

Humidity

The months with the highest humidity are January, February and December, with an average relative humidity of 72%.

Rainfall

The month with the most rainfall is January, when the rain falls for 10.3 days and typically aggregates up to 25mm (0.98") of precipitation.

Sea temperature

In Istro, the average seawater temperature in January is 16°C (60.8°F).
Note: Swimming is not enjoyable for most people in water that is 16°C (60.8°F). As the temperature descends from 21°C (69.8°F) to 15°C (59°F), breathing control becomes harder.

Daylight

In January, the average length of the day is 10h and 6min.
On the first day of January, sunrise is at 07:25 and sunset at 17:15. On the last day of the month, sunrise is at 07:17 and sunset at 17:43 EET.

Sunshine

With an average of 6.4h of sunshine, January has the least sunshine of the year.

UV index

January through March and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 4 in January interprets into the following advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.

Updated: Jun 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The coldest temperatures occur during January, when averages reach a peak of 14.2°C (57.6°F) and a low of 11.5°C (52.7°F).

The average high-temperature and low-temperature during January are 14.2°C (57.6°F) and 11.5°C (52.7°F) respectively.

January, February and December, with an average relative humidity of 72%, are most humid months.

In January, the average relative humidity is 72%.

The month with the most rainfall is January, when the rain falls for 10.3 days and typically aggregates up to 25mm (0.98") of precipitation.

In Istro, in January, during 10.3 rainfall days, 25mm (0.98") of precipitation is typically accumulated.

In Istro, the average seawater temperature in January is 16°C (60.8°F). For most, swimming in 16°C (60.8°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

In January, the average day length is 10h and 6min.

On the first day of January, sunrise is at 07:25 and sunset at 17:15. On the last day of the month, sunrise is at 07:17 and sunset at 17:43 EET.

With an average of 6.4h of sunshine, January has the least sunshine of the year.

In Istro, the average sunshine duration in January is 6.4h.

The months with the lowest UV index are January through March and December, with an average maximum UV index of 4.

In January, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

15.9°C

14.2°C

14.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

20.1km/h

21.9km/h

20.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

10.4

10.3

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

16.5

15.9

17.3

Average UV index

Average cloud cover

Average visibility

Average temperature in January
Istro, Greece

Average high temperature in January: 14.2°C

The warmest month (with the highest average high temperature) is August (28.1°C).
The month with the lowest average high temperature is January (14.2°C).

Average low temperature in January: 11.5°C

The month with the highest average low temperature is August (23.7°C).
The coldest month (with the lowest average low temperature) is January (11.5°C).

Average pressure in January
Istro, Greece

Average pressure in January: 1016.8mbar

The month with the highest atmospheric pressure is December (1017.9mbar).
The month with the lowest atmospheric pressure is July (1009mbar).

Average wind speed in January
Istro, Greece

Average wind speed in January: 20.6km/h

The windiest month (with the highest average wind speed) is January (20.6km/h).
The calmest month (with the lowest average wind speed) is May (12.6km/h).

Average humidity in January
Istro, Greece

Average humidity in January: 72%

The months with the highest relative humidity are January, February and December (72%).
The month with the lowest relative humidity is July (65%).

Average rainfall in January
Istro, Greece

Average rainfall in January: 25mm

The wettest month (with the highest rainfall) is January (25mm).
The driest month (with the least rainfall) is August (0mm).

Average rainfall days in January
Istro, Greece

Average rainfall days in January: 10.3 days

The month with the highest number of rainy days is December (10.4 days).
The month with the least rainy days is August (0.4 days).

Average sea temperature in January
Istro, Greece

Average sea temperature in January: 16°C

The best month for swimming (with the highest average sea temperature) is August (25°C).
The coldest months (with the lowest average sea temperature) are February and March (15°C).

Average daylight in January /
Average sunshine in January
Istro, Greece

Average daylight in January: 10h and 6min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

Average sunshine in January: 6h and 24min

The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 24min).

Average sunshine days in January
Istro, Greece

Average sunshine days in January: 15.9 days

The months with the most sunshine days are July and August (30.3 days).
The month with the least sunshine days is January (15.9 days).

Average UV index in January
Istro, Greece

Average UV index in January: 4

The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February, March and December (UV index 4).

Average cloud cover in January
Istro, Greece

Average cloud cover in January: 31

The month with the most cloud cover is January (Cloud cover 31).
The months with the least cloud cover are July and August (Cloud cover 2).

Average visibility in January
Istro, 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).