It kicks in harder to a point. You need to look at your average temps for your area. Anything 10degs above moves almost all activity to after night fall. Now temps lower changes the activity to continue through the daylight hours. Under severe temp drops it slows night movement way down and daytime activity will get started more in late morning to early afternoon. This can only be looked at by area averages and what those animals are accustomed too.
I think you are talking about windchill. If it is the first day with a big wind and a windchill below zero that fall, the deer will mostly sit tight that day. You will see some activity, but chances are it will likely slow down, especially if it is -25F windchill. Look for a place that has cover, food and water in a relatively small area. Look for cover that will help protect them from the wind like trees, hills, rocks, heavy cover grass/reeds/brush, corn fields and hay bales (big or small). They really like to stay in the corn fields on a day with a stiff wind chill. If you can, post yourself by a corn field that is next to a water source. Be sure to check your state game laws to see if this tactic is permitted.
Before you start doing the following tactic, check ALL the corn rows looking for another hunter(s). This MUST only be performed by a very safe and experienced hunter. Also post a person near the upwind corners to keep other hunters from entering the field. If your state laws permit it and you have permission from the land owner, walk very, very, very slowly into the wind and against the corn rows. The corn rattling in the heavy wind will help cover your noise, but be as quite as possible. Stop at those times when the wind dies down. Start moving again when the wind picks up. Don't enter a row until you have carfully scanned that row for deer. Don't be surprised if you see deer movement within the field. YOU MUST BE VERY DISCIPLINED - Only shoot within the row that you are in. Do not run in the corn field, as you have a very good chance of slipping, tripping or falling. If you know a shootable deer is heading down a row towards you, move to one row away. When they are within 20 to 30 yards, step into that row, scan, get on target, take off the safety, put your finger on the trigger and fire if a good and safe shot is available. Only have one shooter in the field. Shooting within your corn row only gives you the only way to be sure of your target and what is beyond it. Most wild animals prefer to face the wind so you may come up on the back side of a deer. God has made deer to stay the warmest facing the wind, and their nose picks up any scent coming from downwind. Be careful you do not step on a deer when you enter a corn row.
The rut is more adversely affected by high temps and full moons. As soon as the temp drops they seem to turn on. If you have many cloudy days in late october with cold temps the rut can be a bit early as the decreasing amount of daylight contributes to the beggining stages of the rut. Normally you can determine the full rut period and be within three days each and every year.
About the wind thing, this year I watched deer travel with the wind several times on different days. They were traveling their feeding routes regardless of the wind direction. Mind you these were does and small bucks and not mature bucks. Just when you think they will react as they should presto they show you why its called hunting and not getting.
wmi, I don't disagree with your wind statement just sometimes they surprise us.
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