This report describes the typical weather at the Odessa International Airport (Odessa, Ukraine) weather station over the course of an average October. It is based on the historical records from 1989 to 2012. Earlier records are either unavailable or unreliable.
Odessa has a humid continental climate with hot summers and no dry season. The area within 25 mi of this station is covered by oceans and seas (47%), croplands (35%), grasslands (8%), lakes and rivers (6%), and built-up areas (4%).
The month of October is characterized by rapidly falling daily high temperatures, with daily highs decreasing from 66°F to 53°F over the course of the month, exceeding 75°F or dropping below 44°F only one day in ten.
Over the course of October, the length of the day is rapidly decreasing. From the start to the end of the month, the length of the day decreases by 1:35 hours, implying an average day-over-day decrease of 3.1 minutes.
The shortest day of the month is October 31 with 10:06 hours of daylight; the longest day is October 1 with 11:41 hours of daylight.
The earliest sunrise is at 6:56am on October 1; the latest sunset is at 6:37pm on October 1; the latest sunrise is at 7:37am on October 31; the earliest sunset is at 5:43pm on October 31.
Daylight saving time (DST) ends at 4:00am on October 28, 2012, shifting sunrise and sunset to an hour earlier.
The median cloud cover ranges from 73% (partly cloudy) to 86% (mostly cloudy). The trend is for the sky to be becoming cloudier with the median cloud cover increasing by 14% from the start to the end of the month.
On October 1, the clearest day of the month, the sky is clear, mostly clear, or partly cloudy 44% of the time, and overcast or mostly cloudy 40% of the time.
On October 31, the cloudiest day of the month, the sky is overcast, mostly cloudy, or partly cloudy 69% of the time, and clear or mostly clear 17% of the time.
The probability that precipitation will be observed at this location varies throughout the month. Precipitation is most likely around October 31, occurring in 42% of days. Precipitation is least likely around October 1, occurring in 33% of days.
Throughout October, the most common forms of precipitation are light rain and moderate rain.
Light rain is the most severe precipitation observed during 45% of those days with precipitation. It is most likely around October 15, when it is observed during 17% of all days.
Moderate rain is the most severe precipitation observed during 34% of those days with precipitation. It is most likely around October 27, when it is observed during 14% of all days.
The likelihood of snow falling is highest around October 31, occurring in 6% of days.
Either snow rarely accumulates at this location in October or snow depth measurements are unavailable or unreliable.
The relative humidity typically ranges from 54% (mildly humid) to 94% (very humid) over the course of a typical October, rarely dropping below 37% (comfortable) and reaching as high as 100% (very humid).
The air is driest around October 1, at which time the relative humidity drops below 64% (mildly humid) three days out of four; it is most humid around October 31, rising above 91% (very humid) three days out of four.
Dew point is often a better measure of how comfortable a person will find the weather than relative humidity because it more directly relates to whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid.
Over the course of a typical October, the dew point typically varies from 35°F (dry) to 55°F (very comfortable) and is rarely below 22°F (dry) or above 64°F (mildy humid).
Over the course of October typical wind speeds vary from 2 mph to 15 mph (light air to moderate breeze), rarely exceeding 21 mph (fresh breeze).
The highest average wind speed of 8 mph (gentle breeze) occurs around October 31, at which time the average daily maximum wind speed is 14 mph (moderate breeze).
The lowest average wind speed of 8 mph (gentle breeze) occurs around October 5, at which time the average daily maximum wind speed is 14 mph (moderate breeze).