Grein Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Grein.
Climate overview of Grein
Temperatures in Grein, Upper Austria, Austria, vary greatly throughout the year. July is the hottest month at 25°C (77°F), while January is the coldest at 3°C (37°F).
The city receives around 944 mm (37 in) of rain/snowfall per year. It experiences warm summers and cold winters. June is the wettest month and February the driest. Sunshine peaks in July, when the city sees around 8.0 hours of sunshine per day.
Grein Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Grein - and find the best time to visit.
Monthly Temperature in Grein
The climate in Grein is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a comfortable 25°C (77°F) in July to a chilly 3°C (37°F) in January.
Nighttime temperatures range from 15°C (59°F) in July to -3°C (27°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Grein
Generally, Grein receives mid-range precipitation levels, with 944 mm (37 in) annually. The amount of precipitation varies moderately throughout the year. The wettest month, June, sees around 105 mm (4.1 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, February, still receives a respectable 60 mm (2.4 in) of snow/rainfall. For more details, please visit our Grein Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Grein
In Grein, summer days are longer and more sunny, with daily sunshine hours peaking at 8.0 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.4 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Grein by Month
The relative humidity is high throughout the year in Grein.
The city experiences its highest humidity in December, reaching 81%. In May, the humidity drops to its lowest level at 51%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Grein
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, August and September
- Warmest weather: July and August
- Most sunshine: May, July and August
- Fewest rainy days: September and October
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -3°C (27°F).
Frequently asked questions about the climate in Grein
What is the best time to visit Grein?
May, August and September typically offer the most optimal weather in Grein. In contrast, January, February, March, November and December tend to have less optimal conditions. Grein has warm summers and cold winters.
What temperatures can I expect in Grein?
Daytime highs range from 3°C (37°F) in January to 25°C (77°F) in July. Nighttime lows range from -3°C (27°F) to 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Grein get?
Annual rainfall is around 944 mm (37 in). June is the wettest month with 105 mm (4.1 in), while February is the driest with 60 mm (2.4 in).
How sunny is Grein?
Grein receives around 1,727 hours of sunshine per year. July is the sunniest month with 239 hours, while December is the cloudiest with just 42 hours.
Grein 3-Day Forecast
Grein on the map
Grein is highlighted - select any city to see its climate.
Popular this month
Where to go in September - average daytime high across popular destinations.
Vienna
22°C (72°F) Salzburg
18°C (64°F) Schladming16°C (61°F) Saalbach Hinterglemm15°C (59°F) Zell am See15°C (59°F) Mayrhofen
14°C (57°F) Neustift im Stubaital13°C (55°F) Sölden12°C (54°F) 
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