one thing i haven't noticed a lot of discussion about is WET cold weather. here in the PNW, you can get soaked to the bone.
if it's not too wet and not too cold, i tend just to wear a latex or nitrile lined palmed knit glove. eventually the knit part is going to get wet if it's very wet, but the lined palm usually slows the process and the knit helps keep you warm for a while. when i'm hiking this way, i tend to wear them until it's too uncomfortable, then throw them in a dump bag and go without for the rest of the hike. advantages: very dexterous, cheap.
for long periods of really wet weather, you really need something waterproof. real waterproof, not gortex waterproof.
i've come across these guys:
Designed to protect hands from liquid and freezing temperatures, SHOWA’s 406 water-repellent gloves allow for optimum comfort when working in tough conditions. Intelligent insulation keeps hands warm and dry whilst reducing perspiration inside the glove, to preserve grip and tactility. Even...
showagroup.com
you loose dexterity of course, but the latex shell is soft and flexible and of course waterproof. the inner liner is a fair step up from the garden gloves noted above and basically you can stay nice and toasty for long periods of time. the downside is if you get the inside wet you loose insulation and the coating doesn't go up super far. but you can put these on and then pull your rain coat sleeves over the cuffs and go a long time in pouring conditions and retain dry and warm hands. downsides: if you take the gloves on and off, the insides will start to get wet or if you otherwise expose the cuffs.
there are also less lined, less heavy duty versions like this, like
https://www.amazon.com/gp/product/B09TDF6CF5/?tag=backcogaller-20
this can be nice if you don't need quite as much insulation since they are more dexterious than the showa 406 gloves.
the next level up is a fully sealed neoprene glove. you are going to be taking gloves on and off a neoprene glove won't loose as much insulative property. the gotcha is you really want one that's fully sealed on the outside to minimize it from soaking up water. AND... the sealing always start failing either wearing through the outside, or more likely cracking at the seams. so basically assume you're going to be replacing them after a while. and unfortunately, these aren't super dexterous
Perfect Curve Glove is durability combined with warmth and comfort make this glove the perfect choice for cold, wet conditions. This neoprene, fleece-lined glove is 100% waterproof and features a seamless palm. Perfect Curve Glove's pre-curved fingers make it great waterproof work gloves...
glacierglove.com
curious if anyone else has solutions to wet weather cold
-john