4  Here in France, regularly colder, the water is frozen (6)

 8  Quiet one is extremely shaky (7)

10 Fresh snack that's found in a bag (5)

11 Singleton is to marry shortly (4)

12 Dot mends elastic using leftover bits (8)

14 Complex integrals are the most knotty (9)

18 Persuaded to take time to get initiated (8)

20 Bass notes on piano (4)

22 Gloomy daughter's back (5)

23 In gardens now, many a seasonal statue (7)

24 Unfriendly cook welcomes East German (6)

25 Cold South American country, it's said (6)

 1  Debriefing given after kitchen duty (4,2)

 2  Tacking when sailing, turning from south to north (7)

 3  Uniform is not at all odd (4)

 5  Cool vegetable? (8)

 6  Starts to climb an imposing rockfall noticing a pile of stones at the top (5)

 7  Uncover former model (6)

 9  First off, eyes rolled wildly at singing goatherds (9)

13 Said to support a desert game (8)

15 Hot air is coming from other malcontents (7)

16 Generous old fellow, to some extent (4,2)

17 Only takes exercise in public (6)

19 On account of being outed in error (3,2)

21 Ring up Christopher Robin's best friend (4)