January 2021 Weather History at Denver International Airport Colorado, United States

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

Denver International Airport Temperature History January 2021

Temperature history in January 2021 at Denver International Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°FDecFeb
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 January 2021 at Denver International Airport

Hourly Temperature in January 2021 at Denver International Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMDecFebfreezingcoldcoolvery 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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© Esri, et al.

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Cloud Cover in January 2021 at Denver International Airport

Cloud Cover in January 2021 at Denver International Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMDecFeb
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.

Daily Precipitation in January 2021 at Denver International Airport

Daily Precipitation in January 2021 at Denver International Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310.0 in0.0 in0.2 in0.2 in0.4 in0.4 in0.6 in0.6 in0.8 in0.8 in1.0 in1.0 in1.2 in1.2 in1.4 in1.4 inDecFeb
The daily measured quantity of liquid or liquid-equivalent precipitation.

Observed Weather in January 2021 at Denver International Airport

Observed Weather in January 2021 at Denver International Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMDecFeb
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, Jan 9 Snow, Light Snow, Haze, Freezing Fog, Mist0.16 inSN, -SN, HZ, FZFG, BR
Sun, Jan 10 Light Snow, Freezing Fog, Mist, Patches of Fog0.00 in-SN, FZFG, BR, BCFG
Mon, Jan 18 Light Snow0.00 in-SN
Sat, Jan 23 Light Snow0.00 in-SN
Mon, Jan 25 Light Snow, Freezing Fog, Mist0.00 in-SN, FZFG, BR
Tue, Jan 26 Light Snow, Haze, Mist0.06 in-SN, HZ, BR
Wed, Jan 27 Haze, MistHZ, BR
Thu, Jan 28 HazeHZ

Hours of Daylight and Twilight in January 2021 at Denver International Airport

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 January 2021 at Denver International Airport

Sunrise & Sunset with Twilight in January 2021 at Denver International Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMDecFeb7:07 AM7:07 AMJan 315:17 PMJan 315:17 PM7:20 AM7:20 AMJan 14:44 PMJan 14:44 PM7:19 AM7:19 AMJan 114:54 PMJan 114:54 PM7:15 AM7:15 AMJan 215:05 PMJan 215:05 PM
The solar day over the course of January 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.

Moon Rise, Set & Phases in January 2021 at Denver International Airport

Moon Rise, Set & Phases in January 2021 at Denver International Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMDecFebDec 298:29 PMDec 298:29 PMJan 1210:01 PMJan 1210:01 PMJan 2812:17 PMJan 2812:17 PM4:22 PM4:22 PM7:57 AM7:57 AM7:04 AM7:04 AM4:26 PM4:26 PM4:05 PM4:05 PM7:25 AM7:25 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.
Jan 2021IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
95%-9:30 AMWNW7:25 PMENE1:57 AMS239,383 mi
2
89%-10:07 AMWNW8:33 PMENE2:49 AMS237,347 mi
3
81%-10:39 AMWNW9:42 PMENE3:40 AMS235,437 mi
4
71%-11:09 AMW10:51 PME4:28 AMS233,660 mi
5
60%-11:37 AMW-5:16 AMS232,028 mi
6
50%12:00 AME12:05 PMW-6:04 AMS230,581 mi
7
37%1:11 AME12:34 PMWSW-6:53 AMS229,395 mi
8
26%2:23 AMESE1:07 PMWSW-7:45 AMS228,585 mi
9
16%3:37 AMESE1:45 PMWSW-8:41 AMS228,286 mi
10
8%4:50 AMESE2:31 PMWSW-9:40 AMS228,630 mi
11
3%6:01 AMESE3:24 PMWSW-10:43 AMS229,706 mi
12
0%7:04 AMESE4:26 PMWSW-11:45 AMS231,526 mi
13
0%7:58 AMESE5:33 PMWSW-12:45 PMS234,007 mi
14
3%8:42 AMESE6:41 PMWSW-1:42 PMS236,972 mi
15
8%9:19 AMESE7:48 PMWSW-2:33 PMS240,179 mi
16
15%9:50 AMESE8:52 PMWSW-3:20 PMS243,360 mi
17
23%10:16 AME9:54 PMW-4:04 PMS246,252 mi
18
32%10:41 AME10:53 PMW-4:45 PMS248,624 mi
19
42%11:04 AME11:52 PMW-5:26 PMS250,296 mi
20
50%11:27 AME--6:06 PMS251,152 mi
21
61%-12:50 AMWNW11:52 AMENE6:48 PMS251,145 mi
22
70%-1:50 AMWNW12:19 PMENE7:31 PMS250,298 mi
23
79%-2:49 AMWNW12:51 PMENE8:17 PMS248,700 mi
24
87%-3:50 AMWNW1:28 PMENE9:07 PMS246,501 mi
25
93%-4:50 AMWNW2:13 PMENE9:59 PMS243,896 mi
26
97%-5:47 AMWNW3:05 PMENE10:53 PMS241,107 mi
27
100%-6:39 AMWNW4:05 PMENE11:48 PMS238,361 mi
28
100%-7:25 AMWNW5:11 PMENE--
29
100%-8:05 AMWNW6:20 PMENE12:42 AMS235,857 mi
30
97%-8:40 AMWNW7:31 PMENE1:34 AMS233,745 mi
31
92%-9:11 AMWNW8:42 PME2:24 AMS232,107 mi

Humidity Comfort Levels in January 2021 at Denver International Airport

Humidity Comfort Levels in January 2021 at Denver International Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMDecFeb
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 January 2021 at Denver International Airport

Wind Speed in January 2021 at Denver International Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 mph0 mph10 mph10 mph20 mph20 mph30 mph30 mph40 mph40 mph50 mph50 mph60 mph60 mphDecFeb
The daily range of reported wind speeds (gray bars), with maximum gust speeds (red ticks).

Hourly Wind Speed in January 2021 at Denver International Airport

Hourly Wind Speed in January 2021 at Denver International Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMDecFeb
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 Denver International Airport

Hourly Wind Direction in 2021 at Denver International Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMDecFeb
calmnortheastsouthwest
The hourly reported wind direction, color coded by compass point. The shaded overlays indicate night and civil twilight.

Atmospheric Pressure in January 2021 at Denver International Airport

Atmospheric Pressure in January 2021 at Denver International Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313129.6 inHg29.6 inHg29.8 inHg29.8 inHg30.0 inHg30.0 inHg30.2 inHg30.2 inHg30.4 inHg30.4 inHgDecFeb
The daily range of atmospheric pressure (gray bars), as measured by the altimeter setting reported in e.g. a METAR report.

Number of Reports by Day in January 2021 at Denver International Airport Winter 2021

Number of Reports by Day in January 2021 at Denver International Airport181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930303131002020404060608080100100DecFeb
regularspecialcorrection
The number of reports per day.

Reports by Hour in January 2021 at Denver International Airport Winter 2021

Reports by Hour in January 2021 at Denver International Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMDecFeb
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 Denver International Airport in January 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 © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC.

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