December 2012 Weather History in Longyearbyen Svalbard & Jan Mayen

The data for this report comes from the Svalbard Airport, Longyear. See all nearby weather stations

This report shows the past weather for Longyearbyen, providing a weather history for December 2012. It features all historical weather data series we have available, including the Longyearbyen temperature history for December 2012. You can drill down from year to month and even day level reports by clicking on the graphs.

Longyearbyen Temperature History December 2012

Temperature history in December 2012 in Longyearbyen181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930303131-20°F-20°F-10°F-10°F0°F0°F10°F10°F20°F20°F30°F30°F40°F40°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 2012 in Longyearbyen

Hourly Temperature in December 2012 in Longyearbyen18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJanfrigidfreezingvery cold
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 2012 in Longyearbyen

Cloud Cover in December 2012 in Longyearbyen18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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.

Snow Depth in December 2012 in Longyearbyen

Snow Depth in December 2012 in Longyearbyen1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 in0 in2 in2 in4 in4 in6 in6 in8 in8 inNovJan
The daily measured snow depth, where available.

Observed Weather in December 2012 in Longyearbyen

Observed Weather in December 2012 in Longyearbyen18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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
Sat, Dec 1 Light Snow-SN
Thu, Dec 6 Recent Showers of Snow, Showers of Snow, Snow, Light Snow, Showers of Light SnowRESHSN, SHSN, SN, -SN, -SHSN
Fri, Dec 7 Light Snow, Showers of Light Snow-SN, -SHSN
Sat, Dec 8 Light Snow, Drifting Snow-SN, DRSN
Sun, Dec 9 Light Snow, Light Rain, Showers in the Vicinity, Drifting Snow-SN, -RA, VCSH, DRSN
Mon, Dec 10 Light Snow-SN
Fri, Dec 14 Light Snow-SN
Sat, Dec 15 Light Snow, Showers of Light Snow-SN, -SHSN
Sun, Dec 16 Light Snow, Showers of Light Snow-SN, IWC71, -SHSN, IWC85
Tue, Dec 18 Heavy Snow, Showers of Snow, Snow, Light Snow, Showers of Light Snow, Showers in the Vicinity, Blowing Snow, Drifting Snow+SN, SHSN, SN, -SN, -SHSN, VCSH, BLSN, DRSN
Wed, Dec 19 Partial Fog, Patches of FogPRFG, BCFG
Thu, Dec 20 Snow, Light Snow, Recent Rain and Snow, Blowing SnowSN, -SN, RERASN, BLSN
Fri, Dec 21 Heavy Snow, Showers of Heavy Snow, Recent Showers of Snow, Recent Snow, Showers of Snow, Snow, Light Snow, Showers of Light Snow, Blowing Snow, Drifting Snow+SN, +SHSN, RESHSN, RESN, SHSN, SN, -SN, -SHSN, BLSN, DRSN
Sat, Dec 22 Light Snow, Showers of Light Snow, Blowing Snow, Drifting Snow-SN, -SHSN, BLSN, DRSN
Sun, Dec 23 Snow, Light SnowIWC22, -SN, IWC71
Mon, Dec 24 Light Snow, Showers of Light Snow, Drifting Snow-SN, -SHSN, DRSN
Tue, Dec 25 Light Snow, Showers of Light Snow-SN, -SHSN
Wed, Dec 26 Showers of Light Snow-SHSN
Thu, Dec 27 Recent Showers of Snow, Showers of Snow, Showers of Light Snow, Precipitation in the Vicinity, Showers in the VicinityRESHSN, SHSN, IWC86, -SHSN, IWC85, IWC16, VCSH
Fri, Dec 28 Light Snow, Showers in the Vicinity-SN, VCSH
Sat, Dec 29 Recent Showers of Snow, Snow, Light Intermittent Snow, Light Snow, Showers of Light Snow, Blowing Snow, High Drifting SnowRESHSN, SN, IWC73, IWC70, -SN, IWC71, -SHSN, IWC85, BLSN, IWC38
Sun, Dec 30 Light Snow, Blowing Snow, Drifting Snow-SN, BLSN, DRSN
Mon, Dec 31 Light Snow, Light Rain and Snow, Light Snow and Rain, Light Rain, Light Drizzle, Blowing Snow, Drifting Snow, High Drifting Snow, Low Drifting Snow-SN, IWC71, -RASN, -SNRA, IWC61, -DZ, IWC51, BLSN, DRSN, IWC38, IWC36

Hours of Daylight and Twilight in December 2012 in Longyearbyen

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 2012 in Longyearbyen

Sunrise & Sunset with Twilight in December 2012 in Longyearbyen18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMNovJan
The solar day over the course of December 2012. 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 2012 in Longyearbyen

Solar Elevation and Azimuth in December 2012 in LongyearbyenDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMNovJan
northeastsouthwest
Solar elevation and azimuth over the course of December 2012. 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 2012 in Longyearbyen

Moon Rise, Set & Phases in December 2012 in Longyearbyen18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNovJanNov 283:47 PMNov 283:47 PMDec 2811:22 AMDec 2811:22 AM12:00 AM12:00 AM12:00 AM12:00 AM12:00 AM12:00 AM12:00 AM12:00 AM
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 2012IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
95%1:34 AMS251,517 mi
2
90%2:19 AMS250,328 mi
3
83%3:04 AMS248,622 mi
4
75%-2:24 PMNNW6:46 PMNE3:47 AMS246,372 mi
5
65%-1:12 PMWNW9:37 PMENE4:31 AMS243,584 mi
6
50%-12:24 PMW-5:15 AMS240,310 mi
7
44%12:08 AME11:40 AMWSW-6:01 AMS236,671 mi
8
33%2:45 AMESE10:48 AMSW-6:49 AMS232,863 mi
9
23%6:13 AMSSE9:10 AMSSW-7:41 AMS229,159 mi
10
13%8:39 AMS225,894 mi
11
6%9:42 AMS223,425 mi
12
1%10:49 AMS222,068 mi
13
0%11:59 AMS222,024 mi
14
2%1:08 PMS223,322 mi
15
7%2:13 PMS225,809 mi
16
15%3:12 PMS229,188 mi
17
24%1:02 PMSE7:11 PMSW-4:05 PMS233,091 mi
18
34%12:01 PMESE9:57 PMWSW-4:54 PMS237,150 mi
19
45%11:15 AME--5:40 PMS241,041 mi
20
50%-12:24 AMWNW10:32 AMENE6:23 PMS244,517 mi
21
65%-2:55 AMNW9:38 AMNE7:06 PMS247,414 mi
22
74%7:49 PMS249,642 mi
23
82%8:32 PMS251,180 mi
24
89%9:16 PMS252,058 mi
25
94%10:01 PMS252,337 mi
26
98%10:46 PMS252,097 mi
27
100%11:32 PMS251,417 mi
28
100%--
29
100%12:17 AMS250,360 mi
30
98%1:02 AMS248,970 mi
31
94%-1:33 PMN3:33 PMNNE1:46 AMS247,265 mi

Humidity Comfort Levels in December 2012 in Longyearbyen

Humidity Comfort Levels in December 2012 in Longyearbyen18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 2012 in Longyearbyen

Wind Speed in December 2012 in Longyearbyen1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 mph0 mph10 mph10 mph20 mph20 mph30 mph30 mph40 mph40 mph50 mph50 mph60 mph60 mphNovJan
The daily range of reported wind speeds (gray bars), with maximum gust speeds (red ticks).

Hourly Wind Speed in December 2012 in Longyearbyen

Hourly Wind Speed in December 2012 in Longyearbyen18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 2012 in Longyearbyen

Hourly Wind Direction in 2012 in Longyearbyen18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 2012 in Longyearbyen

Atmospheric Pressure in December 2012 in Longyearbyen18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313129.0 inHg29.0 inHg29.5 inHg29.5 inHg30.0 inHg30.0 inHg30.5 inHg30.5 inHgNovJan
The daily range of atmospheric pressure (gray bars), as measured by the altimeter setting reported in e.g. a METAR report.

The details of the data sources used for this report can be found on the Svalbard Airport, Longyear page.

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