Cloudy and rainy with darkening skies with a chance of snow flurries with sleet. Short periods of icy conditions for the first two quarters - temperature average falling steadily and quickly below +5C. Chance of clear sunny days less than 4%.
Warning for icy road conditions - unnecessary as nobody cares and notices until you are off road with a broken knee or bloody nose etc. Damage done to your car - minimum of 2000 euros.

Third quarter - chance of snow & sleet with icy conditions rise - temperature average around -5C - occasional snow storms with high winds. Chance of extreme cold (-25C to - 35C) variable between 5 to 10%. Will most likely happen on a Monday morning when you are late for work... kiss you car battery goodby. Chance of clear & sunny days about 8%, but those will be bone chilling cold and windy.

Final quarter - temperature average far below what you think it is - chances of runny nose and a month long flu with high temperature fever about 85%. Mostly cloudy with a small chance of rain and snow flurries - except on the 1st of May when probability of snow flurries is 75%.

Warnings: Do not make long plans for the summer of 2018 vacation - you failure rate in doing so is around 98.96%
Chance of summer of 2018 being cancelled about 66%