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December 2021 Weather History at Sofia Airport Bulgaria

This report shows the past weather for Sofia Airport, providing a weather history for December 2021. It features all historical weather data series we have available, including the Sofia Airport temperature history for December 2021. You can drill down from year to month and even day level reports by clicking on the graphs.

Sofia Airport Temperature History December 2021

History:20232022JFMAMJJASONDec20202019
Temperature history in December 2021 at Sofia Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031315°F5°F10°F10°F15°F15°F20°F20°F25°F25°F30°F30°F35°F35°F40°F40°F45°F45°F50°F50°F55°F55°F60°F60°F65°F65°FNovJan
The daily range of reported temperatures (gray bars) and 24-hour highs (red ticks) and lows (blue ticks), placed over the daily average high (faint red line) and low (faint blue line) temperature, with 25th to 75th and 10th to 90th percentile bands.

Hourly Temperature in December 2021 at Sofia Airport

History:20232022JFMAMJJASONDec20202019
Hourly Temperature in December 2021 at Sofia Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJanvery coldcoldfreezing
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The hourly reported temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

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Cloud Cover in December 2021 at Sofia Airport

History:20232022JFMAMJJASONDec20202019
Cloud Cover in December 2021 at Sofia Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJan
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
no significant cloudno cloud detectedceiling and visibility ok
The hourly reported cloud coverage, categorized by the percentage of the sky covered by clouds.
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Observed Weather in December 2021 at Sofia Airport

History:20232022JFMAMJJASONDec20202019
Observed Weather in December 2021 at Sofia Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJan
foghazedrizzlelight rainmoderate rainheavy rainfreezing rainsleetsnow grainslight snowmoderate snowheavy snowhailthunderstorm
The hourly observed weather, color coded by category (in order of severity). If multiple reports are present, the most severe code is shown.
DayObservationsPrecipitationCodes
Wed, Dec 1 MistBR
Thu, Dec 2 Mist, SmokeBR, FU
Fri, Dec 3 Light Rain-RA
Sat, Dec 4 Light Rain-RA
Sun, Dec 5 Fog, Freezing Fog, MistFG, FZFG, BR
Mon, Dec 6 Rain, Light Rain, MistRA, -RA, BR
Tue, Dec 7 Recent Snow, Snow, Light Snow, Light Rain and Snow, Rain and Snow, Recent Rain and Snow, Rain, Recent Rain, Light RainRESN, SN, -SN, -RASN, RASN, RERASN, RA, RERA, -RA
Wed, Dec 8 Light Snow, Freezing Fog, Mist-SN, FZFG, BR
Thu, Dec 9 Freezing Fog, MistFZFG, BR
Fri, Dec 10 Rain, Recent Rain, Light Rain, MistRA, RERA, -RA, BR
Sat, Dec 11 Rain, Light Rain, Light DrizzleRA, -RA, -DZ
Sun, Dec 12 Snow, Light Snow, Heavy Rain, Rain, Recent Rain, Light RainSN, -SN, +RA, RA, RERA, -RA
Mon, Dec 13 Light Snow, Light Rain and Snow, Recent Freezing Rain and Snow, Recent Freezing Rain-SN, -RASN, REFZRASN, REFZRA
Tue, Dec 14 Snow, Light Snow, Recent Freezing Rain and Snow, Recent Freezing RainSN, -SN, REFZRASN, REFZRA
Fri, Dec 17 Snow, Light Snow, Light Rain and Snow, Light RainSN, -SN, -RASN, -RA
Sat, Dec 18 Light Snow, Recent Freezing Rain, Smoke-SN, REFZRA, FU
Sun, Dec 19 Light Freezing Rain-FZRA
Mon, Dec 20 Recent Freezing RainREFZRA
Sat, Dec 25 MistBR
Sun, Dec 26 Rain, Recent Rain, Light Rain, MistRA, RERA, -RA, BR
Mon, Dec 27 Rain, Recent Rain, Light Rain, Drizzle, Light Drizzle, MistRA, RERA, -RA, DZ, -DZ, BR
Tue, Dec 28 Fog, Mist, Patches of FogFG, BR, BCFG
Wed, Dec 29 Light Rain, Mist-RA, BR
Thu, Dec 30 Light Rain-RA

Hours of Daylight and Twilight in December 2021 at Sofia Airport

History:20232022JFMAMJJASONDec20202019
Hours of Daylight and Twilight in December 2021 at Sofia Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrNovJanDec 219 hr, 2 minDec 219 hr, 2 minnightnightdaydayDec 19 hr, 17 minDec 19 hr, 17 minDec 319 hr, 6 minDec 319 hr, 6 minDec 119 hr, 6 minDec 119 hr, 6 min
The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.

Sunrise & Sunset with Twilight in December 2021 at Sofia Airport

History:20232022JFMAMJJASONDec20202019
Sunrise & Sunset with Twilight in December 2021 at Sofia Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031312 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMNovJan7:36 AM7:36 AMDec 14:53 PMDec 14:53 PM7:56 AM7:56 AMDec 315:02 PMDec 315:02 PM7:43 AM7:43 AMDec 84:52 PMDec 84:52 PM7:53 AM7:53 AMDec 214:55 PMDec 214:55 PM
The solar day over the course of December 2021. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray.

Solar Elevation and Azimuth in December 2021 at Sofia Airport

History:20232022JFMAMJJASONDec20202019
Solar Elevation and Azimuth in December 2021 at Sofia AirportDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMNovJan00101020200010102020
northeastsouthwest
Solar elevation and azimuth over the course of December 2021. The black lines are lines of constant solar elevation (the angle of the sun above the horizon, in degrees). The background color fills indicate the azimuth (the compass bearing) of the sun. The lightly tinted areas at the boundaries of the cardinal compass points indicate the implied intermediate directions (northeast, southeast, southwest, and northwest).

Moon Rise, Set & Phases in December 2021 at Sofia Airport

History:20232022JFMAMJJASONDec20202019
Moon Rise, Set & Phases in December 2021 at Sofia Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNovJanDec 49:44 AMDec 49:44 AMDec 196:36 AMDec 196:36 AMJan 28:34 PMJan 28:34 PM7:42 AM7:42 AM4:56 PM4:56 PM4:13 PM4:13 PM8:12 AM8:12 AM7:45 AM7:45 AM4:32 PM4:32 PM
The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.
Dec 2021IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
13%3:41 AME3:08 PMWSW-9:26 AMS227,265 mi
2
6%4:59 AMESE3:37 PMWSW-10:18 AMS224,306 mi
3
1%6:20 AMESE4:12 PMWSW-11:16 AMS222,370 mi
4
0%7:42 AMESE4:56 PMSW-12:19 PMS221,701 mi
5
2%9:01 AMSE5:52 PMSW-1:27 PMS222,394 mi
6
7%10:11 AMSE6:58 PMSW-2:35 PMS224,357 mi
7
15%11:07 AMSE8:12 PMWSW-3:40 PMS227,337 mi
8
24%11:51 AMESE9:28 PMWSW-4:39 PMS230,978 mi
9
35%12:25 PMESE10:41 PMWSW-5:33 PMS234,906 mi
10
46%12:53 PMESE11:51 PMWSW-6:21 PMS238,791 mi
11
50%1:16 PME--7:06 PMS242,377 mi
12
67%-12:57 AMW1:38 PME7:48 PMS245,491 mi
13
76%-2:01 AMW1:58 PME8:28 PMS248,036 mi
14
84%-3:04 AMW2:19 PMENE9:10 PMS249,981 mi
15
90%-4:06 AMWNW2:42 PMENE9:52 PMS251,337 mi
16
95%-5:09 AMWNW3:07 PMENE10:36 PMS252,148 mi
17
99%-6:12 AMWNW3:37 PMENE11:22 PMS252,465 mi
18
99%-7:13 AMWNW4:13 PMNE--
19
100%-8:12 AMNW4:56 PMNE12:10 AMS252,336 mi
20
99%-9:05 AMNW5:47 PMNE1:00 AMS251,794 mi
21
97%-9:52 AMNW6:44 PMNE1:51 AMS250,850 mi
22
93%-10:32 AMWNW7:46 PMENE2:41 AMS249,496 mi
23
87%-11:05 AMWNW8:51 PMENE3:30 AMS247,712 mi
24
79%-11:34 AMWNW9:57 PMENE4:16 AMS245,481 mi
25
70%-11:59 AMWNW11:04 PMENE5:02 AMS242,805 mi
26
60%-12:22 PMW-5:46 AMS239,725 mi
27
50%12:12 AME12:44 PMW-6:30 AMS236,335 mi
28
38%1:22 AME1:07 PMW-7:16 AMS232,799 mi
29
27%2:34 AMESE1:33 PMWSW-8:05 AMS229,357 mi
30
17%3:51 AMESE2:04 PMWSW-8:58 AMS226,306 mi
31
9%5:10 AMESE2:42 PMWSW-9:56 AMS223,975 mi

Humidity Comfort Levels in December 2021 at Sofia Airport

History:20232022JFMAMJJASONDec20202019
Humidity Comfort Levels in December 2021 at Sofia Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJan
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The hourly reported humidity comfort level, categorized by dew point. The shaded overlays indicate night and civil twilight.

Wind Speed in December 2021 at Sofia Airport

History:20232022JFMAMJJASONDec20202019
Wind Speed in December 2021 at Sofia Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 mph0 mph10 mph10 mph20 mph20 mph30 mph30 mph40 mph40 mph50 mph50 mphNovJan
The daily range of reported wind speeds (gray bars), with maximum gust speeds (red ticks).

Hourly Wind Speed in December 2021 at Sofia Airport

History:20232022JFMAMJJASONDec20202019
Hourly Wind Speed in December 2021 at Sofia Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJan
0 mph calm 1 mph light air 4 mph light breeze 8 mph gentle breeze 13 mph moderate breeze 18 mph fresh breeze 25 mph strong breeze 31 mph near gale 39 mph gale 47 mph strong gale 55 mph storm 64 mph violent storm 73 mph hurricane force
The hourly reported wind speed, color coded into bands according to the Beaufort scale. The shaded overlays indicate night and civil twilight.

Hourly Wind Direction in 2021 at Sofia Airport

History:20232022JFMAMJJASONDec20202019
Hourly Wind Direction in 2021 at Sofia Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJan
calmnortheastsouthwest
The hourly reported wind direction, color coded by compass point. The shaded overlays indicate night and civil twilight.

Atmospheric Pressure in December 2021 at Sofia Airport

History:20232022JFMAMJJASONDec20202019
Atmospheric Pressure in December 2021 at Sofia Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313129.4 inHg29.4 inHg29.6 inHg29.6 inHg29.8 inHg29.8 inHg30.0 inHg30.0 inHg30.2 inHg30.2 inHg30.4 inHg30.4 inHgNovJan
The daily range of atmospheric pressure (gray bars), as measured by the altimeter setting reported in e.g. a METAR report.

Reports by Month

Reports by Month at Sofia Airport19401950196019701980199020002010202019521952195319531954195419551955195619561957195719581958195919591960196019611961196219621963196319641964196519651966196619671967197319731974197419751975197619761977197719781978197919791980198019811981198219821983198319841984198519851986198619871987198819881989198919901990199119911992199219931993199419941995199519961996199719971998199819991999200020002001200120022002200320032004200420052005200620062007200720082008200920092010201020112011201220122013201320142014201520152016201620172017201820182019201920202020202120212022202220232023202420242025202520262026
METARISDboth
The number of reports per month over the entire history of this station.

Number of Reports by Day in December 2021 at Sofia Airport Winter 2021

Number of Reports by Day in December 2021 at Sofia Airport181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930303131002020404060608080100100NovJan
regularspecialcorrection
The number of reports per day.

Reports by Hour in December 2021 at Sofia Airport Winter 2021

Reports by Hour in December 2021 at Sofia Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJan
regularspecialcorrection
Indication of what types of reports were recorded during each hour.

This report graphically illustrates the historical weather reports recorded by the weather station at Sofia Airport in December 2021.

METAR Reports

Airport weather stations throughout the world routinely issue METAR weather reports . Such reports are used by pilots, air traffic controllers, meteorologists, climatologists, and other researchers. They are published via radio transmission and on the internet. We have been collecting and archiving published METAR reports since 2011, and have found third-party sources for archived reports from years prior to that.

ISD Reports

The Integrated Surface Database (ISD), maintained and published by NOAA's National Center for Environmental Information , consists of hourly and synoptic weather reports from a variety of sources. We use ISD data to complement and backfill for our METAR archive.

Other Data

The sources for the averages shown in the daily temperature chart are discussed in greater detail on this station's Averages Report.

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for airports and weather stations are provided by AskGeo.com .

Maps are © OpenStreetMap contributors.

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