This report describes the typical weather at the Pensacola Naval Air Station (Pensacola, Florida, United States) weather station over the course of an average December 25. It is based on the historical records from 1974 to 2012. Earlier records are either unavailable or unreliable.
Pensacola, Florida has a warm humid temperate climate with hot summers and no dry season. The area within 25 mi of this station is covered by oceans and seas (55%), forests (20%), croplands (16%), grasslands (7%), and built-up areas (3%).
The temperature typically varies from 48°F to 60°F and is rarely below 32°F or above 71°F.
The coolest hours of the day are from 1am to 8am with the coldest at 7am, at which time the temperature is below 58°F three days out of four.
The warmest hours of the day are from 11am to 5pm with the hottest at 2pm, at which time the temperature is above 54°F three days out of four.
The day has gained half its heat by 10am and lost it again by 6pm.
On December 25 the Sun rises at 6:43am and sets at 4:55pm.
Solar noon is at 11:49am.
For reference, on the longest day of the year the Sun rises at 5:47am and sets at 7:54pm, while on the shortest day of the year it rises at 6:42am and sets at 4:52pm.
Astronomical twilight begins and ends 85 minutes before sunrise and after sunset at 5:17am and 6:21pm, respectively.
Nautical twilight begins and ends 56 minutes before sunrise and after sunset at 5:47am and 5:51pm, respectively.
Civil twilight begins and ends 26 minutes before sunrise and after sunset at 6:17am and 5:21pm, respectively.
Solar twilight begins and ends 36 minutes after sunrise and before sunset at 7:20am and 4:19pm, respectively.
The median cloud cover ranges from 56% (partly cloudy) to 76% (partly cloudy).
At 1am, the clearest time of the day, the sky is clear, mostly clear, or partly cloudy 52% of the time, and overcast or mostly cloudy 41% of the time.
At noon, the cloudiest time of the day, the sky is overcast, mostly cloudy, or partly cloudy 65% of the time, and clear or mostly clear 32% of the time.
The sky is typically clearing in earnest by 7pm.
The clouds have typically started forming in earnest by 6am.
There is a 38% chance that precipitation will be observed at some point during the day.
The average measured liquid-equivalent quantity of precipitation is 0.039". Among only those days for which there is at least some measured precipitation, the average is 0.437" and the total rarely exceeds 0.773".
When precipitation does occur it is most often in the form of slight rain (47% of days with precipitation have at worst slight rain), moderate rain (24%), thunderstorms (13%), heavy rain (7%), and drizzle (7%).
Precipitation is most likely around 6am and least likely around 6pm.
Either snow is exceptionally unlikely to fall at this location on December 25 or this station does not reliably report precipitation types.
The relative humidity typically ranges from 61% (mildly humid) to 79% (humid), rarely dropping below 33% (comfortable), or exceeding 95% (very humid).
The air is driest at 2pm, at which time the relative humidity is less than 78% (humid) three days out of four; it is most humid at 5am, exceeding 71% (humid) three days out of four.
The dew point ranges from 42°F to 45°F with an average of 43°F.
For reference, comfortable indoor conditions should have a relative humidity between 30% and 50% with a dew point of less than 65°F.
The wind speed is 9 mph (gentle breeze) on average and is rarely outside the range 3 mph to 15 mph (light air to moderate breeze). The wind speed does not vary substantially during the course of the day.
The wind is most often out of the north (24% of the time), east (15% of the time), and north east (11% of the time). The wind is least often out of the south west (5% of the time).