costa rica weather forecast

What’s a good website to know the weather forecast in costa rica in advance for about a month?
A climatology forecast will give you a good idea as to what weather typically occurs on that day.
The climatology forecast (what has happened on average in a given location at a given time weatherwise) is available at the National Climatic Data Center Website (www.ncdc.noaa.gov). Click on free data on the left, then in free data section C click on Clim 84 Daily Normals. You can go through and see what the average weather has been on that date for that location. They have very good records of this information.
ATV Tour. Monteverde, Costa Rica