stealth shots 92

is it just my raider 10 or pcp gun that loses power when shooting in the cold or all of them because im new to pcp guns so just wondering

webly raider ace gun do all pcp guns lose power when shooting in cold weather because my raider 10 seems to

hello i am new to the forums so i apolagise if i spell bad or seem to do anything wrong any way as iv just baught a webly raider 10 shot when im out in the field and its kind of cold my gun seems to lose power im new to pcp guns so just wondering if any one noes if this is normal or iv been ripped off by the gun smith. replies would be much apreacheted thanks stealth shots 92