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Winter 1981 Weather History at London Heathrow Airport United Kingdom

This report shows the past weather for London Heathrow Airport, providing a weather history for the winter of 1981. It features all historical weather data series we have available, including the London Heathrow Airport temperature history for the winter of 1981. You can drill down from year to month and even day level reports by clicking on the graphs.

London Heathrow Airport Temperature History in the Winter of 1981

History:198519841983198219811980197919781977
Temperature history in the Winter of 1981 at London Heathrow AirportDecJanFeb10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°FFallSpring
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 the Winter of 1981 at London Heathrow Airport

History:198519841983198219811980197919781977
Hourly Temperature in the Winter of 1981 at London Heathrow AirportDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMFallSpringvery coldcold
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 the Winter of 1981 at London Heathrow Airport

History:198519841983198219811980197919781977
Cloud Cover in the Winter of 1981 at London Heathrow AirportDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMFallSpring
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.

Observed Weather in the Winter of 1981 at London Heathrow Airport

History:198519841983198219811980197919781977
Observed Weather in the Winter of 1981 at London Heathrow AirportDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMFallSpring
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
Tue, Dec 1 Drizzle, MistDZ, BR
Wed, Dec 2 Drizzle, MistDZ, BR
Thu, Dec 3 Drizzle, Light Drizzle, Mist, Patches of FogDZ, -DZ, BR, BCFG
Fri, Dec 4 Rain, Light Drizzle and Rain, Light Rain, Showers of Light Rain, Drizzle, MistRA, -DZRA, -RA, -SHRA, DZ, BR
Sat, Dec 5 Light Drizzle and Rain, Showers of Light Rain-DZRA, -SHRA
Sun, Dec 6 Showers of Light Rain, Drizzle-SHRA, DZ
Mon, Dec 7 Rain, Light Rain, MistRA, -RA, BR
Tue, Dec 8 Heavy Snow, Snow, Light Snow, Rain and Snow, Rain, Drizzle, Mist+SN, SN, -SN, RASN, RA, DZ, BR
Wed, Dec 9 Drizzle, Fog, Freezing Fog, Mist, Patches of FogDZ, FG, FZFG, BR, BCFG
Thu, Dec 10 Light Freezing Drizzle, Fog, Freezing Fog-FZDZ, FG, FZFG
Fri, Dec 11 Heavy Snow, Snow, Light Snow, Light Freezing Drizzle, Fog, Freezing Fog, Mist+SN, SN, -SN, -FZDZ, FG, FZFG, BR
Sat, Dec 12 Drizzle, Fog in the Vicinity, Freezing Fog, Mist, Shallow Patches of FogDZ, VCFG, FZFG, BR, MIBCFG
Sun, Dec 13 Heavy Snow, Snow, Light Snow, Light Rain and Snow, Heavy Rain, Rain, Drizzle, Fog in the Vicinity, Freezing Fog, Mist+SN, SN, -SN, -RASN, +RA, RA, DZ, VCFG, FZFG, BR
Mon, Dec 14 Heavy Rain, Rain, Light Rain+RA, RA, -RA
Tue, Dec 15 Rain, Drizzle, MistRA, DZ, BR
Thu, Dec 17 DrizzleDZ
Fri, Dec 18 DrizzleDZ
Sat, Dec 19 DrizzleDZ
Sun, Dec 20 Snow, Light Snow, Light Rain and Snow, Light RainSN, -SN, -RASN, -RA
Mon, Dec 21 Snow, Light Snow, Light Rain and Snow, Light Drizzle and Rain, Light Rain, Light DrizzleSN, -SN, -RASN, -DZRA, -RA, -DZ
Tue, Dec 22 Snow, Light Snow, Light Rain and Snow, Drizzle, MistSN, -SN, -RASN, DZ, BR
Wed, Dec 23 Light Snow, Drizzle, Mist-SN, DZ, BR
Thu, Dec 24 Light Snow, Drizzle, Mist-SN, DZ, BR
Fri, Dec 25 Drizzle, Fog, Mist, Patches of Fog, Shallow Patches of FogDZ, FG, BR, BCFG, MIBCFG
Sat, Dec 26 Drizzle, Fog, Freezing Fog, Mist, Patches of Fog, Shallow Patches of FogDZ, FG, FZFG, BR, BCFG, MIBCFG
Sun, Dec 27 Snow, Light Snow, Light Rain and Snow, Drizzle and Rain, Light Drizzle and Rain, Drizzle, Light Drizzle, Fog, Mist, Patches of FogSN, -SN, -RASN, DZRA, -DZRA, DZ, -DZ, FG, BR, BCFG
Mon, Dec 28 Light Drizzle and Rain, Light Rain, Drizzle, Light Drizzle, Fog, Mist-DZRA, -RA, DZ, -DZ, FG, BR
Tue, Dec 29 Drizzle and Rain, Rain, Light Drizzle and Rain, Light Rain, MistDZRA, RA, -DZRA, -RA, BR
Wed, Dec 30 Light Rain-RA
Thu, Dec 31 Light Rain, Mist, Patches of Fog, Shallow Patches of Fog-RA, BR, BCFG, MIBCFG
Fri, Jan 1 Heavy Rain, Drizzle and Rain, Rain, Light Drizzle and Rain, Light Rain, Mist+RA, DZRA, RA, -DZRA, -RA, BR
Sat, Jan 2 Heavy Rain, Light Drizzle and Rain, Light Rain, Light Drizzle, Mist+RA, -DZRA, -RA, -DZ, BR
Sun, Jan 3 Light Rain-RA
Mon, Jan 4 Light Rain, Showers of Light Rain-RA, -SHRA
Tue, Jan 5 Rain, Light Drizzle and Rain, Light Rain, Showers of Light RainRA, -DZRA, -RA, -SHRA
Fri, Jan 8 Heavy Snow, Snow, Light Snow+SN, SN, -SN
Sat, Jan 9 Snow, Light Snow, DrizzleSN, -SN, DZ
Mon, Jan 11 Drizzle, MistDZ, BR
Tue, Jan 12 Drizzle, MistDZ, BR
Wed, Jan 13 Drizzle, Fog, Fog in the Vicinity, Mist, Patches of Fog, Shallow Patches of FogDZ, FG, VCFG, BR, BCFG, MIBCFG
Thu, Jan 14 Drizzle, Fog in the Vicinity, Mist, Patches of Fog, Shallow Patches of FogDZ, VCFG, BR, BCFG, MIBCFG
Fri, Jan 15 Drizzle, Fog, Freezing Fog, MistDZ, FG, FZFG, BR
Sat, Jan 16 Drizzle, MistDZ, BR
Sun, Jan 17 Drizzle, Fog, Fog in the Vicinity, Mist, Shallow Patches of FogDZ, FG, VCFG, BR, MIBCFG
Mon, Jan 18 Drizzle, Fog, MistDZ, FG, BR
Tue, Jan 19 Light Rain, Drizzle, Mist, Shallow Patches of Fog-RA, DZ, BR, MIBCFG
Wed, Jan 20 Light Drizzle and Rain, Light Rain, Drizzle, Light Drizzle, Fog, Mist-DZRA, -RA, DZ, -DZ, FG, BR
Thu, Jan 21 Rain, Light Rain, Drizzle, Mist, Shallow Patches of FogRA, -RA, DZ, BR, MIBCFG
Fri, Jan 22 Light Rain, Showers of Light Rain-RA, -SHRA
Sat, Jan 23 Light Rain, Drizzle, Mist-RA, DZ, BR
Sun, Jan 24 Drizzle, Fog, Mist, Patches of Fog, Shallow Patches of FogDZ, FG, BR, BCFG, MIBCFG
Mon, Jan 25 Drizzle, Light Drizzle, MistDZ, -DZ, BR
Tue, Jan 26 Heavy Rain, Drizzle and Rain, Light Drizzle and Rain, Light Rain, Light Drizzle+RA, DZRA, -DZRA, -RA, -DZ
Wed, Jan 27 Light Rain-RA
Thu, Jan 28 Light Drizzle-DZ
Fri, Jan 29 Rain, Light Rain, Light DrizzleRA, -RA, -DZ
Sun, Jan 31 DrizzleDZ
Mon, Feb 1 Light Rain, Drizzle-RA, DZ
Tue, Feb 2 Drizzle, MistDZ, BR
Wed, Feb 3 DrizzleDZ
Thu, Feb 4 Drizzle, MistDZ, BR
Fri, Feb 5 Rain, Light Drizzle and Rain, Light RainRA, -DZRA, -RA
Sat, Feb 6 Light Drizzle and Rain, Light Drizzle, Mist-DZRA, -DZ, BR
Sun, Feb 7 Rain, Light Drizzle and Rain, Light Rain, Light Drizzle, MistRA, -DZRA, -RA, -DZ, BR
Mon, Feb 8 MistBR
Wed, Feb 10 DrizzleDZ
Thu, Feb 11 Rain, Light Rain, DrizzleRA, -RA, DZ
Fri, Feb 12 Light Rain, Drizzle, Mist-RA, DZ, BR
Sat, Feb 13 Rain, Light RainRA, -RA
Sun, Feb 14 Rain, Light Rain, MistRA, -RA, BR
Mon, Feb 15 Drizzle, Fog, Mist, Patches of FogDZ, FG, BR, BCFG
Tue, Feb 16 Light Drizzle-DZ
Wed, Feb 17 Light Rain and Snow, Light Rain, Drizzle, Light Drizzle-RASN, -RA, DZ, -DZ
Thu, Feb 18 Drizzle, Light Drizzle, MistDZ, -DZ, BR
Fri, Feb 19 Drizzle, Fog, Mist, Patches of FogDZ, FG, BR, BCFG
Sat, Feb 20 Light Snow, Drizzle-SN, DZ
Sun, Feb 21 DrizzleDZ
Mon, Feb 22 DrizzleDZ
Tue, Feb 23 Drizzle, MistDZ, BR
Wed, Feb 24 Drizzle, Fog, Mist, Patches of FogDZ, FG, BR, BCFG
Thu, Feb 25 Light Rain, Drizzle-RA, DZ
Fri, Feb 26 Rain, Light Drizzle and Rain, Light Rain, Drizzle, Light Drizzle, Mist, Patches of FogRA, -DZRA, -RA, DZ, -DZ, BR, BCFG
Sat, Feb 27 Light Drizzle and Rain, Light Rain, Drizzle, Light Drizzle, Fog, Mist, Patches of Fog, Shallow Patches of Fog-DZRA, -RA, DZ, -DZ, FG, BR, BCFG, MIBCFG
Sun, Feb 28 Drizzle and Rain, Light Drizzle and Rain, Light Rain, Light Drizzle, MistDZRA, -DZRA, -RA, -DZ, BR

Hours of Daylight and Twilight in the Winter of 1981 at London Heathrow Airport

History:198519841983198219811980197919781977
Hours of Daylight and Twilight in the Winter of 1981 at London Heathrow AirportDecJanFeb0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrFallSpringDec 217 hr, 50 minDec 217 hr, 50 minnightnightdaydayFeb 2810 hr, 50 minFeb 2810 hr, 50 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 and Daylight Saving Time in the Winter of 1981 at London Heathrow Airport

History:198519841983198219811980197919781977
Sunrise & Sunset with Twilight and Daylight Saving Time in the Winter of 1981 at London Heathrow AirportDecJanFeb12 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 AMFallSpring6:49 AM6:49 AMFeb 285:39 PMFeb 285:39 PM7:59 AM7:59 AMDec 133:52 PMDec 133:52 PM8:07 AM8:07 AMDec 314:02 PMDec 314:02 PM
The solar day over the course of the Winter of 1981. 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 the Winter of 1981 at London Heathrow Airport

History:198519841983198219811980197919781977
Solar Elevation and Azimuth in the Winter of 1981 at London Heathrow AirportDecJanFeb12 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 AMFallSpring001001010
northeastsouthwest
Solar elevation and azimuth in the the winter of 1981. 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 the Winter of 1981 at London Heathrow Airport

History:198519841983198219811980197919781977
Moon Rise, Set & Phases in the Winter of 1981 at London Heathrow AirportDecJanFeb12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMFallSpringNov 1110:27 PMNov 1110:27 PMNov 262:39 PMNov 262:39 PMDec 118:42 AMDec 118:42 AMDec 2610:10 AMDec 2610:10 AMJan 97:53 PMJan 97:53 PMJan 254:56 AMJan 254:56 AMFeb 87:57 AMFeb 87:57 AMFeb 239:14 PMFeb 239:14 PMMar 98:46 PMMar 98:46 PMMar 2510:18 AMMar 2510:18 AM4:35 PM4:35 PM7:30 AM7:30 AM4:22 PM4:22 PM3:36 PM3:36 PM7:42 AM7:42 AM7:57 AM7:57 AM4:13 PM4:13 PM3:57 PM3:57 PM8:36 AM8:36 AM8:09 AM8:09 AM7:51 AM7:51 AM7:12 AM7:12 AM5:01 PM5:01 PM5:26 PM5:26 PM7:11 AM7:11 AM6:25 AM6:25 AM6:27 PM6:27 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.

Humidity Comfort Levels in the Winter of 1981 at London Heathrow Airport

History:198519841983198219811980197919781977
Humidity Comfort Levels in the Winter of 1981 at London Heathrow AirportDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMFallSpring
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 the Winter of 1981 at London Heathrow Airport

History:198519841983198219811980197919781977
Wind Speed in the Winter of 1981 at London Heathrow AirportDecJanFeb0 mph0 mph10 mph10 mph20 mph20 mph30 mph30 mph40 mph40 mph50 mph50 mphFallSpring
The daily range of reported wind speeds (gray bars), with maximum gust speeds (red ticks).

Hourly Wind Speed in the Winter of 1981 at London Heathrow Airport

History:198519841983198219811980197919781977
Hourly Wind Speed in the Winter of 1981 at London Heathrow AirportDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMFallSpring
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 1981 at London Heathrow Airport

History:198519841983198219811980197919781977
Hourly Wind Direction in 1981 at London Heathrow AirportDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMFallSpring
calmnortheastsouthwest
The hourly reported wind direction, color coded by compass point. The shaded overlays indicate night and civil twilight.

Atmospheric Pressure in the Winter of 1981 at London Heathrow Airport

History:198519841983198219811980197919781977
Atmospheric Pressure in the Winter of 1981 at London Heathrow AirportDecJanFeb28.5 inHg28.5 inHg29.0 inHg29.0 inHg29.5 inHg29.5 inHg30.0 inHg30.0 inHg30.5 inHg30.5 inHg31.0 inHg31.0 inHgFallSpring
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 London Heathrow Airport194019501960197019801990200020102020194819481949194919501950195119511952195219531953195419541955195519561956195719571958195819731973197419741975197519761976197719771978197819791979198019801981198119821982198319831984198419851985198619861987198719881988198919891990199019911991199219921993199319941994199519951996199619971997199819981999199920002000200120012002200220032003200420042005200520062006200720072008200820092009201020102011201120122012201320132014201420152015201620162017201720182018201920192020202020212021202220222023202320242024
METARISDboth
The number of reports per month over the entire history of this station.

Number of Reports by Day in the Winter of 1981 at London Heathrow Airport 1981

Number of Reports by Day in the Winter of 1981 at London Heathrow AirportDecJanFeb005050100100FallSpring
regularspecialcorrection
The number of reports per day.

Reports by Hour in the Winter of 1981 at London Heathrow Airport 1981

Reports by Hour in the Winter of 1981 at London Heathrow AirportDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMFallSpring
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 London Heathrow Airport in the winter of 1981.

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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