Climate and monthly weather forecastHrastnik, Slovenia
Climate and monthly weather forecast
The climate of Hrastnik
Hrastnik, a town in Slovenia, adheres to the Köppen climate classification of Cfb, which corresponds to a marine west coast climate, specifically one with a warm summer. This climate type is characterized by relatively mild temperatures both during summer and winter, as well as evenly distributed rainfall throughout the year.Comprehensively examining the climate data reveals multiple facets to Hrastnik’s climate. A key characteristic of the weather in Hrastnik is its consistency in humidity levels, which remain around the 80% mark throughout the year, varying very little between months. This uniformity in humidity adds to the overall temperate nature of the climate.
Significant variations arise in the area of rainfall, ranging from a low 33mm (1.3") in January to a high 120mm (4.72") in May. Furthermore, the number of rainfall days fluctuates, with the minimum being 8.6 days in January and the maximum number of days with rain reaching 22.9 days in May.
Despite the variations in rainfall, it is important to notice that Hrastnik is not devoid of the sun. On average, there is about 10 hours of sunshine per day during the summer months. Correspondingly, the UV index routinely hits 5 from June to August. During winter, the daylight duration decreases to around 9 hours.
A defining feature of Hrastnik's climate is the presence of snowfall from December to February with 121mm (4.76") in January being the maximum snowfall received in a single month. January also records the highest number of snowfall days at 8.6 days. This period is marked by a significant drop in weather temperatures, dropping to -3°C (26.6°F).
The best time to visit Hrastnik
Assuming warm temperatures and abundant sunshine as favorable conditions, the period from June to August offers the best window for visiting Hrastnik. During this time, daily temperatures vary from 22.6°C (72.7°F) to 25.2°C (77.4°F), which is the highest recorded during the year. Moreover, the UV index reaches its peak value of 5, windy conditions are at their lowest, and the number of sunshine hours tops at about 10.4 to 10.8 hours a day.The worst time to visit Hrastnik
In contrast, the period from December to February presents the least favorable conditions to visit the town, primarily due to the low temperatures and snowfall. Here, average daily temperatures can dip as low as -3°C (26.6°F), coupled with significant levels of snowfall, reaching 121mm (4.76") in January.Spring weather in Hrastnik
In Hrastnik, the spring months from March through May usher in a steady increase in temperatures. March begins on a modest note with the lowest temperatures recorded at 1.3°C (34.3°F) and the highest at 9.7°C (49.5°F). By May, temperatures rise significantly, reaching daily highs of 18.5°C (65.3°F) and lows of 7.8°C (46°F). Despite an increase in temperatures, this period also witnesses the most significant levels of rainfall, with May averaging about 120mm (4.72").Summer weather in Hrastnik
The arrival of summer from June to August in Hrastnik is greeted with warm temperatures, where the range slips between 11.2°C (52.2°F) and 25.2°C (77.4°F). Rainfall in the summer reaches its lowest annual point at 105mm (4.13") in June, though it escalates slightly in July at 109mm (4.29"), holding relatively steady in August at 84mm (3.31"). For sun seekers, this period will do just the trick as the number of sunshine hours hovers around 10 per day.Autumn weather in Hrastnik
Autumn in Hrastnik, encompassing September to November, reverts to the mild temperatures of spring, where September starts with temperatures as high as 19.3°C (66.7°F) and as low as 9.4°C (48.9°F), which settles to 9.1°C (48.4°F) and 3.2°C (37.8°F) by November. There is a gradual reduction in rainfall from 77mm (3.03") in September to 69mm (2.72") in November. There is plenty of sunshine too, ranging between 8.9 and 5.9 hours a day.Winter weather in Hrastnik
Winter swings into Hrastnik from December to February, pulling down the temperatures significantly, with temperatures ranging from a frigid -3°C (26.6°F) to a modest 4.3°C (39.7°F). December and January bring the most snowfall months with respective totals of 42mm (1.65") and 121mm (4.76"). The UV index stoops to its annual minimum of 1 in December and January, offering limited sunlight hours. The period also delivers low visibility, dropping to seven kilometers in December and January.Weather in January
The beginning of the year brings a chilly climate to Hrastnik, Slovenia, dominated by snowy weather and high humidity. The prevailing temperatures register as the coldest of the year, peaking at only 2.6°C (36.7°F) and plunging as low as -3°C (26.6°F). Weather in January »Weather in February
In February, winter temperatures persist in Hrastnik, Slovenia. Despite being slightly warmer compared to January, February maintains the chilly tenor with -2.5°C (27.5°F) to 3.9°C (39°F), the dominant temperature range. This month experiences a significant increase in snowfall intensity, accumulating up to 185mm (7.28"), the highest throughout the year. Weather in February »Weather in March
Transitioning from winter to spring, March sees a significant warming trend in Hrastnik, Slovenia. The shift from the frigid cold to mild temperatures hints at the approaching spring, with temperatures ranging from 1.3°C (34.3°F) to 9.7°C (49.5°F). Weather in March »Weather in April
April introduces full-blown spring to Hrastnik, Slovenia with temperatures considerably higher than in March. Gradually escalating temperatures become more noticeable, making highs of 15.6°C (60.1°F) and lows of 5°C (41°F) the norm. Weather in April »Weather in May
In May, Hrastnik, Slovenia experiences stable weather conditions with significantly improved temperatures and marked rainfall. The weather leans more towards the warm side, making it a refreshing break from the previously chilly months, with temperatures varying between 7.8°C (46°F) and 18.5°C (65.3°F). Weather in May »Weather in June
June signifies the arrival of summer in Hrastnik, Slovenia, characterized by warm temperatures and extended daylight hours. Temperatures swing between 11.2°C (52.2°F) and a highs of 22.6°C (72.7°F), a healthy sign of well-established warm weather. Weather in June »Weather in July
The warmest month of the year, July sees Hrastnik, Slovenia bask in the full glory of summer. The city experiences significantly elevated highs touching 24.9°C (76.8°F) and lows hovering around a mild 12.8°C (55°F). Despite the summer heat, the rainfall avails a welcome respite. Weather in July »Weather in August
August in Hrastnik, Slovenia experiences a continuity of the warm and sunny conditions prevalent in July. With temperatures fluctuating between 13°C (55.4°F) and a substantial high of 25.2°C (77.4°F), August vies with July for the title of the hottest month of the year. Weather in August »Weather in September
Temperatures start to dip in September, easing the heat of the past summer months in Hrastnik, Slovenia. More mild temperatures make their presence known, ranging from 9.4°C (48.9°F) up to 19.3°C (66.7°F). However, a noticeable decrease in rainfall does not reduce the overall warm and humid character of September. Weather in September »Weather in October
October brings a more prominent autumn feel to Hrastnik, Slovenia. The city fully embraces fall as temperatures further drop, fluctuating between 5.7°C (42.3°F) and 14.5°C (58.1°F), ensuring crisp, cool days and chilly evenings. Weather in October »Weather in November
November sees a definitive change in weather, marking the transition from fall to winter in Hrastnik, Slovenia. The drop in temperature escalates, with the thermometer ranging between a chilly 3.2°C (37.8°F) and a modest 9.1°C (48.4°F). Weather in November »Weather in December
December brings the onset of winter in Hrastnik, Slovenia, as it wraps the year with the lowest average temperatures. Dipping temperatures varying between -1.6°C (29.1°F) and a modest high of 4.3°C (39.7°F) reaffirm the cold character of the month. Weather in December »Updated: Jan 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January is the month that records the lowest temperatures, with averages ranging from a high of 2.6°C (36.7°F) to a low of -3°C (26.6°F).
January is the month with the least rainfall in Hrastnik. Rain falls for 8.6 days and accumulates 33mm (1.3") of precipitation.
Throughout the year, in Hrastnik, Slovenia, there are 179.3 rainfall days, and 854mm (33.62") of precipitation is accumulated.
January through April, October through December are months with snowfall.
Throughout the year, in Hrastnik, Slovenia, there are 26.3 snowfall days, and 511mm (20.12") of snow is accumulated.
The months with the lowest UV index in Hrastnik are January and November, with an average maximum UV index of 1.
The month with the most snowfall is February, when snow falls for 7.7 days and typically aggregates up to 185mm (7.28") of snow.
The month with the least sunshine in Hrastnik is February, with an average of 4.2h of sunshine.
April is the least humid month in Hrastnik, with an average relative humidity of 75%.
May is the month with the most rainfall. Rain falls for 22.9 days and accumulates 120mm (4.72") of precipitation.
In Hrastnik, snow does not fall in May through September.
June has the longest days of the year in Hrastnik, Slovenia, with an average of 15h and 42min of daylight.
The months with the highest UV index in Hrastnik, Slovenia, are June through August, with an average maximum UV index of 5.
The months with the most sunshine in Hrastnik are July and August, with an average of 10.8h of sunshine.
August tends to be the warmest month, with temperatures averaging a daily high of 25.2°C (77.4°F) and a low of 13°C (55.4°F).
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Hrastnik, Slovenia, 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 relative humidity of 87%, November is the most humid month in Hrastnik.
December has the shortest days of the year, with an average of 8h and 42min of daylight.
Average temperature
Hrastnik, Slovenia
The warmest month (with the highest average high temperature) is August (25.2°C).
The month with the lowest average high temperature is January (2.6°C).
The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure
Hrastnik, Slovenia
- Average pressure in January:
1018.8mbar - Average pressure in February:
1017.4mbar - Average pressure in March:
1016.8mbar - Average pressure in April:
1015.4mbar - Average pressure in May:
1015mbar - Average pressure in June:
1015mbar
- Average pressure in July:
1015.2mbar - Average pressure in August:
1016.5mbar - Average pressure in September:
1017.8mbar - Average pressure in October:
1018.9mbar - Average pressure in November:
1016.7mbar - Average pressure in December:
1020.4mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The months with the lowest atmospheric pressure are May and June (1015mbar).
Average wind speed
Hrastnik, Slovenia
- Average wind speed in January:
6.5km/h - Average wind speed in February:
7.3km/h - Average wind speed in March:
8.1km/h - Average wind speed in April:
7.9km/h - Average wind speed in May:
7.5km/h - Average wind speed in June:
6.6km/h
- Average wind speed in July:
5.9km/h - Average wind speed in August:
5.5km/h - Average wind speed in September:
5.8km/h - Average wind speed in October:
6.3km/h - Average wind speed in November:
6.4km/h - Average wind speed in December:
6.4km/h
The windiest month (with the highest average wind speed) is March (8.1km/h).
The calmest month (with the lowest average wind speed) is August (5.5km/h).
Average humidity
Hrastnik, Slovenia
The month with the highest relative humidity is November (87%).
The month with the lowest relative humidity is April (75%).
Average rainfall
Hrastnik, Slovenia
- Average rainfall in January:
33mm - Average rainfall in February:
58mm - Average rainfall in March:
50mm - Average rainfall in April:
53mm - Average rainfall in May:
120mm - Average rainfall in June:
105mm
The wettest month (with the highest rainfall) is May (120mm).
The driest month (with the least rainfall) is January (33mm).
Average rainfall days
Hrastnik, Slovenia
- Average rainfall days in January:
8.6 days - Average rainfall days in February:
9.8 days - Average rainfall days in March:
13.4 days - Average rainfall days in April:
16.8 days - Average rainfall days in May:
22.9 days - Average rainfall days in June:
21.1 days
- Average rainfall days in July:
21.3 days - Average rainfall days in August:
16.3 days - Average rainfall days in September:
15.1 days - Average rainfall days in October:
11.4 days - Average rainfall days in November:
12.7 days - Average rainfall days in December:
9.9 days
The month with the highest number of rainy days is May (22.9 days).
The month with the least rainy days is January (8.6 days).
Average snowfall
Hrastnik, Slovenia
The month with the highest snowfall is February (185mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days
Hrastnik, Slovenia
- Average snowfall days in January:
8.6 days - Average snowfall days in February:
7.7 days - Average snowfall days in March:
3.2 days - Average snowfall days in April:
0.6 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
1.2 days - Average snowfall days in December:
4.9 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Hrastnik, Slovenia
- Average daylight in January:
9h and 6min - Average daylight in February:
10h and 24min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 36min - Average daylight in May:
15h and 0min - Average daylight in June:
15h and 42min
- Average daylight in July:
15h and 18min - Average daylight in August:
14h and 6min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 30min - Average daylight in December:
8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January:
4h and 42min - Average sunshine in February:
4h and 12min - Average sunshine in March:
6h and 48min - Average sunshine in April:
9h and 30min - Average sunshine in May:
9h and 30min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 48min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 54min - Average sunshine in November:
4h and 48min - Average sunshine in December:
5h and 24min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days
Hrastnik, Slovenia
- Average sunshine days in January:
15.6 days - Average sunshine days in February:
12.3 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
11.1 days - Average sunshine days in May:
5.9 days - Average sunshine days in June:
6.4 days
- Average sunshine days in July:
6.3 days - Average sunshine days in August:
12.1 days - Average sunshine days in September:
12.4 days - Average sunshine days in October:
16.7 days - Average sunshine days in November:
14.8 days - Average sunshine days in December:
16.9 days
The month with the most sunshine days is December (16.9 days).
The month with the least sunshine days is May (5.9 days).
Average UV index
Hrastnik, 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 and November (UV index 1).
Average cloud cover
Hrastnik, Slovenia
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility
Hrastnik, 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).
