I just discovered the trip planner on Weather Underground. I entered the day I arrive in Kyiv (Dec 27th) and the day I leave (Jan 6th) and it gives me information about the likely weather based on weather from past years on those precise dates:
27th December 2006 to January 6th 2007 for Kyiv, Ukraine:
Temperature
The Average High Temperature is 0 C with a historical range of -12 C to 6 C
The Average Low Temperature is -4 C with a historical range of -15 C to 3 C
There is a 0% chance of a Hot Day (temperature over 90°F).
(0 days out of 87 in historical record)
Most consecutive days found in historic record: 0
There is a 0% chance of a Warm Day (temperature over 60°F).
(0 days out of 87 in historical record)
Most consecutive days found in historic record: 0
There is a 67% chance of a Freezing Day (temperature below 32°F).
(58 days out of 87 in historical record)
Most consecutive days found in historic record: 8
Cloud Cover
Average Cloud Cover is cloudy
There is a 87% chance of a Cloudy Day.
(72 days out of 83 in historical record)
Most consecutive days found in historic record: 10
Wind
The Average Wind is 13 km/h with a historical range of 0 km/h to 35 km/h
There is a 17% chance of a Windy Day (average wind over 10 mph).
(15 days out of 87 in historical record)
Most consecutive days found in historic record: 2
Humidity
The Average High Dew Point is -1 C with a historical range of -16 C to 6 C
The Average Low Dew Point is -5 C with a historical range of -20 C to 3 C
http://www.wunderground.com/history/airpor...eq_statename=NA