Climate and monthly weather forecastOnek, Slovenia

Climate and monthly weather forecast

Weather in January

January, the same as December, is another cold winter month in Onek, Slovenia, with an average temperature ranging between min -2.8°C (27°F) and max 3.2°C (37.8°F). January, having an average high-temperature of 3.2°C (37.8°F) and an average low-temperature of -2.8°C (27°F), is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also an icy month in Onek, Slovenia, with an average temperature ranging between max 4.3°C (39.7°F) and min -2.4°C (27.7°F). Onek experiences an average high-temperature of a still icy 4.3°C (39.7°F) in February, subtly different from January's 3.2°C (37.8°F). Weather in February »

Weather in March

March, the first month of the spring in Onek, is a fresh month, with temperature in the range of an average low of 1.3°C (34.3°F) and an average high of 10.1°C (50.2°F). Onek's March weather shows an increase in high-temperatures, moving from February's wintry 4.3°C (39.7°F) to a cool 10.1°C (50.2°F). Weather in March »

Weather in April

April is a moderate spring month in Onek, Slovenia, with an average temperature ranging between max 15.8°C (60.4°F) and min 5.1°C (41.2°F). As Onek transitions into April, a rise in the average high-temperature is observed, moving from a fresh 10.1°C (50.2°F) in March to a mild 15.8°C (60.4°F). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Onek, Slovenia, with temperature in the range of an average high of 19.1°C (66.4°F) and an average low of 7.5°C (45.5°F). May introduces a minor temperature shift, with average high-temperatures adjusting from April's 15.8°C (60.4°F) to a still refreshing 19.1°C (66.4°F). Weather in May »

Weather in June

June, the first month of the summer in Onek, is a moderately hot month, with an average temperature fluctuating between 23.5°C (74.3°F) and 11°C (51.8°F). The shift into June is accompanied by a modest temperature increase, with the average high-temperature edging up from a comfortable 19.1°C (66.4°F) in May to a warm 23.5°C (74.3°F). Weather in June »

Weather in July

July, like June, in Onek, Slovenia, is another warm summer month, with an average temperature varying between 26°C (78.8°F) and 12.8°C (55°F). Onek's shift from June to July is accompanied by an average high-temperature of a still moderately hot 26°C (78.8°F), a slight deviation from 23.5°C (74.3°F). Weather in July »

Weather in August

August, the last month of the summer in Onek, is another warm month, with an average temperature fluctuating between 26.3°C (79.3°F) and 12.8°C (55°F). The warmest time of the year is August, with temperatures averaging a high of 26.3°C (79.3°F) and a low of 12.8°C (55°F). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Onek, Slovenia, with an average temperature fluctuating between 20.4°C (68.7°F) and 9.4°C (48.9°F). With the beginning of September, the average high-temperature shows a decrease, transitioning from a warm 26.3°C (79.3°F) in August to an agreeable 20.4°C (68.7°F). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Onek, Slovenia, with an average temperature ranging between min 5.9°C (42.6°F) and max 15.1°C (59.2°F). Setting in of October comes with a decrease in the average high-temperature, moving from a pleasant 20.4°C (68.7°F) in September to a moderate 15.1°C (59.2°F). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Onek, Slovenia, with an average temperature ranging between min 3.2°C (37.8°F) and max 9.9°C (49.8°F). With November's onset, the weather shows a temperature decrease, transitioning from a refreshing 15.1°C (59.2°F) in October to a chilly 9.9°C (49.8°F). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Onek, Slovenia, with temperature in the range of an average low of -1.1°C (30°F) and an average high of 4.9°C (40.8°F). Start of December brings a shift in the average high-temperature, falling from November's frosty 9.9°C (49.8°F) to a cold 4.9°C (40.8°F). Weather in December »

Frequently asked questions

Onek's January weather reaches an average high of 3.2°C (37.8°F) and an average low of -2.8°C (27°F), making it the coldest month.

January and November, with an average relative humidity of 88%, are most humid months.

January is the month with the least rainfall. Rain falls for 9.8 days and accumulates 42mm (1.65") of precipitation.

In Onek, Slovenia, during the entire year, the rain falls for 159.4 days and collects up to 758mm (29.84") of precipitation.

January through April, October through December are months with snowfall.

In Onek, during the entire year, snow falls for 28.3 days and aggregates up to 575mm (22.64") of snow.

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

February is the month with the most snowfall. Snow falls for 7.8 days and accumulates 154mm (6.06") of snow.

February has the least sunshine of the year, with an average of 4.2h of sunshine.

The month with the most rainfall in Onek is May, when the rain falls for 20.3 days and typically aggregates up to 106mm (4.17") of precipitation.

In Onek, snow does not fall in May through September.

With an average of 15h and 36min of daylight, June has the longest days of the year.

June through August, with an average maximum UV index of 5, are months with the highest UV index.

August registers as the month with the average highest temperatures, reaching 26.3°C (79.3°F) at its peak and 12.8°C (55°F) at the lowest.

August is the least humid month, with an average relative humidity of 74%.

August has the most sunshine of the year, with an average of 11.1h of sunshine.

On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.

With an average of 8h and 48min of daylight, December has the shortest days of the year.

Average temperature
Onek, Slovenia

The warmest month (with the highest average high temperature) is August (26.3°C).
The month with the lowest average high temperature is January (3.2°C).

The months with the highest average low temperature are July and August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).

Average pressure
Onek, Slovenia

The month with the highest atmospheric pressure is December (1020.2mbar).
The months with the lowest atmospheric pressure are May and June (1014.8mbar).

Average wind speed
Onek, Slovenia

The windiest month (with the highest average wind speed) is March (8.2km/h).
The calmest month (with the lowest average wind speed) is August (5.6km/h).

Average humidity
Onek, Slovenia

The months with the highest relative humidity are January and November (88%).
The month with the lowest relative humidity is August (74%).

Average rainfall
Onek, Slovenia

The wettest month (with the highest rainfall) is May (106mm).
The driest month (with the least rainfall) is January (42mm).

Average rainfall days
Onek, Slovenia

The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is February (9.7 days).

Average snowfall
Onek, Slovenia

The month with the highest snowfall is February (154mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days
Onek, Slovenia

The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Onek, Slovenia

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days
Onek, Slovenia

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (8.3 days).

Average UV index
Onek, Slovenia

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover
Onek, Slovenia

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility
Onek, Slovenia

The months with the highest visibility are April, June, July and August (9km).
The months with the lowest visibility are January, February, October and November (7km).