This report describes the typical weather at the Austin-Bergstrom International Airport (Austin, Texas, United States) weather station over the course of an average November 17. It is based on the historical records from 2000 to 2012. Earlier records are either unavailable or unreliable.
Austin, Texas has a warm humid temperate climate with hot summers and no dry season. The area within 25 mi of this station is covered by croplands (43%), grasslands (40%), forests (13%), and built-up areas (2%).
The temperature typically varies from 52°F to 71°F and is rarely below 39°F or above 80°F.
The coolest hours of the day are from 11pm to 9am with the coldest at 7am, at which time the temperature is below 61°F three days out of four.
The warmest hours of the day are from noon to 6pm with the hottest at 3pm, at which time the temperature is above 66°F three days out of four.
The day has gained half its heat by 10am and lost it again by 7pm.
On November 17 the Sun rises at 6:57am and sets at 5:32pm.
Solar noon is at 12:15pm.
For reference, on the longest day of the year the Sun rises at 6:29am and sets at 8:35pm, while on the shortest day of the year it rises at 7:23am and sets at 5:35pm.
Astronomical twilight begins and ends 83 minutes before sunrise and after sunset at 5:34am and 6:56pm, respectively.
Nautical twilight begins and ends 54 minutes before sunrise and after sunset at 6:03am and 6:27pm, respectively.
Civil twilight begins and ends 26 minutes before sunrise and after sunset at 6:32am and 5:58pm, respectively.
Solar twilight begins and ends 35 minutes after sunrise and before sunset at 7:33am and 4:58pm, respectively.
The median cloud cover ranges from 47% (partly cloudy) to 75% (partly cloudy).
At 10pm, the clearest time of the day, the sky is clear, mostly clear, or partly cloudy 58% of the time, and overcast or mostly cloudy 42% of the time.
At 9am, the cloudiest time of the day, the sky is overcast, mostly cloudy, or partly cloudy 66% of the time, and clear or mostly clear 34% of the time.
The sky is typically clearing in earnest by 4pm.
The clouds have typically started forming in earnest by 4am.
There is a 31% chance that precipitation will be observed at some point during the day.
The average measured liquid-equivalent quantity of precipitation is 0.097". Among only those days for which there is at least some measured precipitation, the average is 0.377" and the total rarely exceeds 0.751".
When precipitation does occur it is most often in the form of slight rain (34% of days with precipitation have at worst slight rain), thunderstorms (23%), moderate rain (16%), drizzle (14%), and heavy rain (10%).
Precipitation is most likely around 7am and least likely around 7pm.
Either snow is exceptionally unlikely to fall at this location on November 17 or this station does not reliably report precipitation types.
The relative humidity typically ranges from 50% (mildly humid) to 85% (humid), rarely dropping below 27% (dry), or exceeding 98% (very humid).
The air is driest at 3pm, at which time the relative humidity is less than 64% (mildly humid) three days out of four; it is most humid at 5am, exceeding 79% (humid) three days out of four.
The dew point ranges from 47°F to 49°F with an average of 48°F.
For reference, comfortable indoor conditions should have a relative humidity between 30% and 50% with a dew point of less than 65°F.
Sustained wind speeds typically vary from 5 mph to 12 mph (light breeze to gentle breeze) over the course of the day.
The peak sustained wind speed typically occurs around 1pm and is rarely outside the range 6 mph to 17 mph (light breeze to moderate breeze).
The wind is most calm around 4am, rarely exceeding 12 mph (gentle breeze).
The wind is most often out of the south (25% of the time) and north (20% of the time). The wind is least often out of the east (4% of the time), west (4% of the time), and south west (4% of the time).