If you are looking for site's online that have past info on weather and climate history.These site's have the weather archive history for over the past 50 years.The info is from a couple of year's ago to over 50 year's ago.The highest temperature and the lowest temperature for every day over that time period.To make things a little easier and you may want to write this down.After arriving at this site.There will be a map of the u.s.Below the map are links.Click "southeast regional climate center".Click "southeast weather station information".Click "links to NWS offices in the southeast". Click "key west".Click "climate information".Click "daily normals and records for each month".Click january.After doing so you will see the climate records for key west for january.You can do this for all major cities in the united states.Check this site out for climate archives and more.Click here to enter.
This is a very good climate and meteorology site with info on weather including local weather in the united states.Write in the zip code or name of the city you want to check on the local weather and it has the high and low temperature for the day.I believe it may go back a year or two but it could go a little more.Click here.
For world weather check out this site for climate and world weather history.This meteorology site has world weather and the monthly average temperature for thousands of cities around the world and will be of help.Click here.Write in the city or cities name or zip code in the "weather.com" search box below to find out the current conditions or click on "average and records" for that cities climate history.