Climate and monthly weather forecastGrosuplje, Slovenia
Climate and monthly weather forecast
The climate of Grosuplje
Nested in the heart of Slovenia, Grosuplje wears the Köppen climate classification of Cfb, denoting a marine west coast climate with a warm summer. This climate remains seasoned with moderate temperatures, influenced by the geographical position.Analyzing the months from January to December, the temperature in Grosuplje displays a moderate gradient. The high temperatures range from 3°C (37.4°F) in January to a peak of 26.2°C (79.2°F) in July, while the low temperatures span from -2.8°C (27°F) in January to a crest of 12.8°C (55°F) in both July and August. The relative humidity has slight fluctuations, presenting minor variations throughout the year. It ranges from 74% in the warmest months, which are July and August, to a high of 88% in November.
Grosuplje's rainfall pattern shows two peak periods. The first rise in rainfall from 42mm (1.65") in April to 85mm (3.35") in May, while the second increase from 51mm (2.01") in October to 75mm (2.95") in November. Interestingly, the number of rainfall days peaks in May with 17.9 days. The town rarely experiences snowfall, however, it is most likely to occur in January with 142mm (5.59") falling over approximately 8.6 days.
The best time to visit Grosuplje
The best time to visit Grosuplje, Slovenia ranges from May to September. The warmer weather appears between May and September with average high temperatures reaching between 19.2°C (66.6°F) to 26.2°C (79.2°F) and low temperatures ranging from 7.3°C (45.1°F) to 12.8°C (55°F). This period also provides long daylight hours, with sunshine hours peaking at 10.8 in July. Accompanied by relatively less rainfall, it provides the perfect ambience for outdoor activities.The worst time to visit Grosuplje
The least advisable time to visit Grosuplje falls in the colder months of December, January, and February. These months are characterized by lower temperatures ranging from -2.8°C (27°F) to 3.9°C (39°F) and snowfall, particularly in January with a snowfall of 142mm (5.59") over 8.6 days on average. The daylight hours are also minimal, shrinking to 8.7 hours in December.Spring weather in Grosuplje
Between March to May, Grosuplje enters its spring season. The temperatures rise gradually in this period from 9.5 ºC to 19.2 ºC. The lowest temperatures also rise from around 0.9 ºC to 7.3 ºC. As the area transitions from winter, rainfall levels witness an elevation from 56mm (2.2") in March to 85mm (3.35") in May contrasted with rainfall days increasing from 11.7 days to 17.9 days. The increase in temperature and rainfall marks the end of snowfall events with none registered in May.Summer weather in Grosuplje
The summer months of June through August experience the most favourable weather conditions. The average high temperature ranges from 23.8°C (74.8°F) in June to 26.2°C (79.2°F) in July and back to 26.1°C (79°F) in August. Simultaneously, the lowest temperature fluctuation is from 10.8°C (51.4°F) to 12.8°C (55°F). A high amount of daylight is received with 15.7 hours in June reducing to 14.1 hours in August. With the highest UV index of 5, protective measures against sun damage are crucial.Autumn weather in Grosuplje
Autumn months from September to November exhibit a decrease in temperature. The highest temperature ranges from 20.1°C (68.2°F) in September to 9.5°C (49.1°F) in November. Low temperatures drop from 9.2°C (48.6°F) to 3.3°C (37.9°F). Rainfall levels peak to 75mm (2.95") in November compared to 69mm (2.72") in September, and the number of rainfall days increase to 11.9 days. During this period, daylight hours reduce markedly from 12.5 hours to 9.5 hours.Winter weather in Grosuplje
The winter season in Grosuplje, spanning from December to February, is marked by lower temperatures and shorter days. The high temperature ranges narrowly from 4.6°C (40.3°F) to 3°C (37.4°F), while the lowest temperature fluctuates between -1.5°C (29.3°F) and -2.8°C (27°F). The snowfall is notably pronounced in January with 142mm (5.59") across approximately 8.6 snowfall days. The daylight hours are at their shortest with 8.7 hours in December, 9.1 hours in January and 10.4 hours in February.Weather in January
The start of the year in Grosuplje, Slovenia, is characterized by cold temperatures, frequent precipitation, and relative scarcity of sunlight. A significant feature of January weather is the snowfall, with an average of 142mm (5.59") falling over approximately 8.6 days. Weather in January »Weather in February
As the calendar turns to February, while the deep winter chill remains, an increase in daily sunlight signifies the slow approach of spring. Comparatively, this month witnesses more snowfall, recording 172mm (6.77") over 7.6 days. Weather in February »Weather in March
Grosuplje transitions from winter to early spring during March. Notably, the month experiences a sharp decline in snowfall, accumulating only 56mm (2.2") over roughly 3.2 days. The decrease in snowfall coincides with a rise in temperatures, creating a slightly more pleasant, albeit maybe unpredictable, climatic environment. Weather in March »Weather in April
April brings forth noticeable changes in the weather patterns of Grosuplje, Slovenia. The region witnesses a significant drop in snowfall, with only 14mm (0.55") spread over approximately 0.6 days. As winter recedes entirely, the warmer temperatures and extended sunshine hours make April a month of pleasant spring weather. Weather in April »Weather in May
May marks the arrival of late spring in Grosuplje, characterized by higher temperatures and longer hours of daylight. An implicating feature of May weather is the absence of snowfall, marking a shift to generally warmer conditions. Weather in May »Weather in June
June signals the start of the summer season in Grosuplje, with a significant rise in temperature and daylight hours. The weather is warm, and days are longer with no snowfall reported during this month. As it transitions from spring, the rain backdrops maintain the lush landscape Grosuplje is famed for. Weather in June »Weather in July
July is the warmest month in Grosuplje, solidifying the full arrival of summer. At this peak summer month, the temperature can rise to an average high of 26.2°C (79.2°F). Alongside the heat, the days are long and filled with abundant sunshine, offering perfect settings for outdoor enjoyment. Weather in July »Weather in August
By August, summer is well established in Grosuplje, exhibiting warm temperatures and lengthy sunlit days. Uniquely, the average high temperature persists at 26.1°C (79°F), nearly matching that of July. Even as the summer heat continues to reign, the considerable amount of rainfall indicates the approaching autumn. Weather in August »Weather in September
September marks the beginning of fall in Grosuplje, Slovenia. Even though temperatures begin to decline, the maximum average temperature still hovers around a warm 20.1°C (68.2°F). As autumn sets in, the days noticeably shorten but continue to be balanced with a significant amount of sunshine. Weather in September »Weather in October
October in Grosuplje brings brisk temperatures and beautiful fall colors. While the temperatures drop, the highest average temperature remains at a comfortable 14.5°C (58.1°F) - a significant change from September's 20.1°C (68.2°F). Weather in October »Weather in November
November sees the arrival of winter weather in Grosuplje, characterized by colder temperatures and short, darker days. Signifying this change, there's a reappearance of snowfall, although moderate, averaging 43mm (1.69") over roughly 1.5 days. Weather in November »Weather in December
December in Grosuplje is a full-fledged winter month, with cold temperatures and a considerable increase in snowfall. A critical indicator of this is the heavy snow - about 121mm (4.76") accumulated over approximately 4.4 days. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Grosuplje, Slovenia
The warmest month (with the highest average high temperature) is July (26.2°C).
The month with the lowest average high temperature is January (3°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
Grosuplje, Slovenia
- Average pressure in January:
1018.5mbar - Average pressure in February:
1017mbar - Average pressure in March:
1016.5mbar - Average pressure in April:
1015.3mbar - Average pressure in May:
1014.9mbar - Average pressure in June:
1014.9mbar
- Average pressure in July:
1015mbar - Average pressure in August:
1016.2mbar - Average pressure in September:
1017.5mbar - Average pressure in October:
1018.6mbar - Average pressure in November:
1016.4mbar - Average pressure in December:
1020.1mbar
The month with the highest atmospheric pressure is December (1020.1mbar).
The months with the lowest atmospheric pressure are May and June (1014.9mbar).
Average wind speed
Grosuplje, Slovenia
- Average wind speed in January:
6.5km/h - Average wind speed in February:
7.2km/h - Average wind speed in March:
7.9km/h - Average wind speed in April:
7.7km/h - Average wind speed in May:
7.3km/h - Average wind speed in June:
6.8km/h
- Average wind speed in July:
6.3km/h - Average wind speed in August:
5.9km/h - Average wind speed in September:
6.3km/h - Average wind speed in October:
6.5km/h - Average wind speed in November:
6.5km/h - Average wind speed in December:
6.3km/h
The windiest month (with the highest average wind speed) is March (7.9km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).
Average humidity
Grosuplje, Slovenia
The month with the highest relative humidity is November (88%).
The months with the lowest relative humidity are July and August (74%).
Average rainfall
Grosuplje, Slovenia
The wettest month (with the highest rainfall) is May (85mm).
The driest month (with the least rainfall) is April (42mm).
Average rainfall days
Grosuplje, Slovenia
- Average rainfall days in January:
8.4 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
13.9 days - Average rainfall days in May:
17.9 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
15.6 days - Average rainfall days in August:
12.3 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
10 days - Average rainfall days in November:
11.9 days - Average rainfall days in December:
9.5 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (8.4 days).
Average snowfall
Grosuplje, Slovenia
The month with the highest snowfall is February (172mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days
Grosuplje, Slovenia
- Average snowfall days in January:
8.6 days - Average snowfall days in February:
7.6 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:
0.2 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
4.4 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
Grosuplje, 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 36min - Average sunshine in February:
4h and 12min - Average sunshine in March:
6h and 30min - Average sunshine in April:
9h and 18min - Average sunshine in May:
9h and 36min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 54min - Average sunshine in September:
9h and 6min - Average sunshine in October:
5h and 54min - Average sunshine in November:
4h and 48min - Average sunshine in December:
5h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days
Grosuplje, Slovenia
- Average sunshine days in January:
16.4 days - Average sunshine days in February:
13 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
12.9 days - Average sunshine days in May:
9.8 days - Average sunshine days in June:
9.4 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
15.5 days - Average sunshine days in September:
15.6 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
15.5 days - Average sunshine days in December:
17.5 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is June (9.4 days).
Average UV index
Grosuplje, 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
Grosuplje, 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
Grosuplje, Slovenia
The months with the highest visibility are July and August (9km).
The months with the lowest visibility are January, February, October and November (7km).





