Graz weather and climate in 2025
Graz weather and climate in 2025
Day
25 °C
Night
13 °C
Precipitation
125 mm
in month
Rainy days
13 days
in month
Daylight
14 hours
average
Sunshine
7 hours
average
Humidity
79 %
Day
25 °C
Night
13 °C
Precipitation
125 mm
in month
Rainy days
13 days
in month
Daylight
14 hours
average
Sunshine
7 hours
average
Humidity
79 %
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Weather overview for Graz
Weather overview
In the beautiful city of Graz, Austria, the weather patterns embody the characteristics of a temperate continental climate. Daytime temperatures can vary significantly throughout the year, ranging from a brisk average of 3 °C (38 °F) in the chilly month of December to a warm 26 °C (78 °F) at the peak of summer in July. The coldest nights are typically in January, dipping to a frosty -4 °C (24 °F), whereas nights in July offer the warmest average temperature at 13 °C (56 °F). When it comes to precipitation, you'll find January to be the driest month with only about 7 days days of rainfall, whereas June is the wettest month, experiencing rain on as many as 15 days days.
January weather
January in Graz sees the fewest rainy days, totaling around 7 days, and it's also when the least amount of rainfall is measured, approximately 25 mm (0.98 in). The coldest nights of the year occur this month, with the mercury dropping to -4 °C (24 °F).
February weather
In February, Graz begins to see a slight increase in the number of rainy days, now averaging 8 days, accompanied by a gradual rise in rainfall amounts to 31 mm (1.22 in). The nightly temperatures start to rise as well, and an uptick in daytime temperatures to 5 °C (42 °F) is noticeable. Additionally, there's an upswing in sunny hours without clouds this month.
March weather
As March arrives, the continual ascent in rainy days is evident in Graz, with an average of 8 days, and rainfall amounts also increase compared to the prior month, reaching 44 mm (1.73 in). Daytime temperatures keep climbing upwards to an average of 10 °C (50 °F), while the night temperature slowly increases as well, stabilizing at around -1 °C (31 °F). The number of sunny hours without clouds also experiences an increase to 5 hours.
April weather
With April, Graz continues to experience an increase in rainy days, now averaging 10 days, and a noticeable rise in rain volume to 51 mm (1.99 in). The night temperature consistently improves, settling at an average of 4 °C (39 °F), while the daytime warmth escalates to 15 °C (60 °F). A continued increase in the number of cloudless sunny hours to 5 hours also occurs.
May weather
May heralds the approach of the tourist season in Graz. A further escalation in rainy days is seen, averaging 13 days, along with an increase in rainfall, now at 85 mm (3.35 in). The daytime warmth continues to extend, now averaging 20 °C (69 °F), and the nights progressively get warmer, averaging 9 °C (48 °F). Humidity in Graz hits its lowest point of the year during this month, averaging 74 %.
June weather
Into June, the imminent tourist season in Graz is accompanied by further escalation in daytime warmth, averaging 23 °C (74 °F), and night temperatures also continue to increase, averaging 12 °C (53 °F). The number of rainy days peaks this month, reaching 15 days, and the rainfall volume also ascends, amounting to 114 mm (4.48 in). Day length also reaches its peak this month.
July weather
July's ongoing tourist season enjoys a drop in the number of rainy days to 14 days, while the daytime temperatures soar to their maximum, averaging 26 °C (78 °F), and nighttime temperatures also reach their zenith. The maximal figure for sunny hours in Graz is also notable during this month.
August weather
The tourist season persists into August in Graz, with a continued decrease in rainy days, now at 13 days, while rainfall reaches its highest at an average of 125 mm (4.92 in). The daytime temperature begins to decline, standing at 25 °C (77 °F). The sunny hours naturally begin to diminish, with an average of 7 hours noted.
September weather
In September, as the tourist season holds on in Graz, the reduction in rainy days is more evident, equating to an average of 11 days, and rainfall also sees a downward trend, measuring 88 mm (3.47 in). The day temperature continues to descend, averaging 20 °C (68 °F), and the outset of cooling night temperatures is perceptible, settling at 9 °C (47 °F). The sunny hours follow a similar downtrend to the previous month.
October weather
October sees a sustained drop in the number of rainy days to approximately 8 days in Graz, and the rain volume also follows suit, now standing at 64 mm (2.50 in). Day temperatures keep descending, reaching 14 °C (58 °F), while the nights turn cooler, averaging 5 °C (40 °F). The duration of sunlit hours continues the downward trajectory.
November weather
November brings a continuation in the reduction of rainfall amount, registering at about 51 mm (2.02 in) in Graz. The decrease in daytime heat proceeds, now averaged at 7 °C (45 °F), and the downward trend in nighttime temperatures is also palpable, around 0 °C (32 °F) on average. The sunny hours' descent is on par with the preceding month, averaging 3 hours.
December weather
December marks the point when daytime temperatures hit their lowest average of 3 °C (38 °F) in Graz, while nighttime temperatures closely follow the previous month's trend, averaging -3 °C (26 °F). The rain volume also follows a similar downward trend from the previous month, averaging 40 mm (1.57 in), while the start of the decrease in the number of rainy days is noted. The shortest day length and the smallest number of sunny hours are also distinctive of this month.
FAQs
What are the expected night temperatures and rainy days in Graz during January?
January nights in Graz can be quite cold, averaging -4 °C (24 °F), and you'll typically see around 7 days of rainfall.
How does the rainfall in Graz change as February progresses?
Rainfall in Graz sees a slight uptick in February, increasing to an average of 31 mm (1.22 in), along with more frequent rainy days, now totaling around 8 days.
What is the typical rise in temperature experienced during March in Graz?
March brings a moderate rise in temperatures in Graz, with daytime averages reaching 10 °C (50 °F), and a slight increase in nighttime temperatures averaging -1 °C (31 °F)
Can we expect an extension in sunny hours during April in Graz?
Indeed, Graz enjoys longer sunny hours in April, with an average increase to 5 hours of clear sunshine per day.
As May approaches in Graz, how does the humidity level change?
May in Graz brings the lowest humidity levels of the year, averaging a comfortable 74 %
Is June the month with the highest amount of rainfall in Graz?
Yes, June is characterized by the highest rainfall in Graz, seeing rain on approximately 15 days throughout the month.
How favorable are the climatic conditions in Graz during July for tourists?
July offers the optimal climate for tourists in Graz, with the highest daytime temperatures averaging 26 °C (78 °F) and extended sunny hours.
As August arrives, how does the prevalence of sunny hours change in Graz?
With the arrival of August in Graz, sunny hours slightly decrease from their peak, averaging around 7 hours per day.
What changes can be observed in terms of temperature and sunshine in Graz during September?
September in Graz is marked by milder day temperatures averaging 20 °C (68 °F) and a slight reduction in the number of sunny hours.
Is there a considerable decrease in temperature during October in Graz?
The days grow noticeably cooler in October in Graz, with daily temperatures averagely dropping to 14 °C (58 °F).
What is the trend in daylight temperatures during November in Graz?
In November, the trend in Graz is towards cooler daylight temperatures, with an average decline to around 7 °C (45 °F)
How does the duration of sunny hours in December compare to other months in Graz?
December in Graz experiences the briefest sunny hour duration of the year, with an average of around 2 hours per day.