January 2020 Weather History in San Juan Puerto Rico

The data for this report comes from the Luis Muñoz Marín International Airport. See all nearby weather stations

This report shows the past weather for San Juan, providing a weather history for January 2020. It features all historical weather data series we have available, including the San Juan temperature history for January 2020. You can drill down from year to month and even day level reports by clicking on the graphs.

San Juan Temperature History January 2020

Temperature history in January 2020 in San Juan18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313168°F68°F70°F70°F72°F72°F74°F74°F76°F76°F78°F78°F80°F80°F82°F82°F84°F84°F86°F86°F88°F88°F90°F90°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 2020 in San Juan

Hourly Temperature in January 2020 in San Juan18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMDecFebwarm
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 January 2020 in San Juan

Cloud Cover in January 2020 in San Juan18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 2020 in San Juan

Daily Precipitation in January 2020 in San Juan1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310.0 in0.0 in0.5 in0.5 in1.0 in1.0 in1.5 in1.5 in2.0 in2.0 in2.5 in2.5 inDecFeb
The daily measured quantity of liquid or liquid-equivalent precipitation.

Snow Depth in January 2020 in San Juan

Snow Depth in January 2020 in San Juan1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310.0 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 inDecFeb
The daily measured snow depth, where available.

Observed Weather in January 2020 in San Juan

Observed Weather in January 2020 in San Juan18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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
Wed, Jan 1 Mist, Smoke0.05 inBR, FU
Thu, Jan 2 Light Rain0.06 in-RA
Fri, Jan 3 Heavy Rain, Rain, Light Rain, Mist0.55 in+RA, RA, -RA, BR
Sun, Jan 5 Light Rain, Mist0.05 in-RA, BR
Mon, Jan 6 Light Rain, Mist0.36 in-RA, BR
Tue, Jan 7 Light Rain0.03 in-RA
Wed, Jan 8 Light Rain0.12 in-RA
Thu, Jan 9 Heavy Rain, Light Rain0.34 in+RA, -RA
Fri, Jan 10 Rain, Light Rain0.39 inRA, -RA
Sat, Jan 11 Light Rain0.12 in-RA
Sun, Jan 12 Rain, Light Rain0.22 inRA, -RA
Mon, Jan 13 Light Rain0.39 in-RA
Tue, Jan 14 Thunderstorm, Thunderstorm with Light Rain, Light Rain0.17 inTS, -TSRA, -RA
Wed, Jan 15 Heavy Rain, Light Rain, Mist0.73 in+RA, -RA, BR
Sun, Jan 19 Rain, Light Rain, Mist0.49 inRA, -RA, BR
Mon, Jan 20 Rain, Light Rain, Mist0.41 inRA, -RA, BR
Thu, Jan 23 Heavy Rain, Rain, Light Rain, Mist1.02 in+RA, RA, -RA, BR
Fri, Jan 24 Heavy Rain, Rain, Light Rain, Mist1.30 in+RA, RA, -RA, BR
Sat, Jan 25 Light Rain, Mist0.49 in-RA, BR
Sun, Jan 26 Light Rain0.77 in-RA
Mon, Jan 27 Heavy Rain, Rain, Light Rain, Mist0.27 in+RA, RA, -RA, BR
Tue, Jan 28 Light Rain0.00 in-RA
Wed, Jan 29 Light Rain0.01 in-RA

Hours of Daylight and Twilight in January 2020 in San Juan

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 2020 in San Juan

The solar day over the course of January 2020. 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 January 2020 in San Juan

Solar Elevation and Azimuth in January 2020 in San JuanJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMDecFeb0010102020303040405000101020203030404050
northeastsouthwest
Solar elevation and azimuth over the course of January 2020. 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 January 2020 in San Juan

Moon Rise, Set & Phases in January 2020 in San Juan18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMDecFebDec 261:14 AMDec 261:14 AMJan 103:22 PMJan 103:22 PMJan 245:43 PMJan 245:43 PM7:10 AM7:10 AM6:29 PM6:29 PM6:06 PM6:06 PM7:42 AM7:42 AM6:47 AM6:47 AM6:09 PM6:09 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.
Jan 2020IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
38%11:36 AME11:40 PMW-5:38 PMS251,381 mi
2
48%12:11 PME--6:19 PMS251,086 mi
3
50%-12:28 AMW12:45 PME6:59 PMS249,928 mi
4
67%-1:15 AMW1:20 PME7:41 PMS247,964 mi
5
76%-2:04 AMW1:57 PMENE8:25 PMS245,317 mi
6
84%-2:56 AMWNW2:37 PMENE9:12 PMS242,179 mi
7
91%-3:49 AMWNW3:22 PMENE10:03 PMN238,799 mi
8
97%-4:46 AMWNW4:11 PMENE10:57 PMN235,459 mi
9
99%-5:45 AMWNW5:06 PMENE11:55 PMN232,448 mi
10
100%-6:44 AMWNW6:06 PMENE--
11
100%-7:42 AMWNW7:09 PMENE12:55 AMN230,019 mi
12
97%-8:37 AMWNW8:12 PMENE1:54 AMN228,350 mi
13
92%-9:28 AMWNW9:15 PMENE2:52 AMS227,512 mi
14
84%-10:15 AMW10:16 PME3:47 AMS227,475 mi
15
74%-10:59 AMW11:15 PME4:39 AMS228,128 mi
16
63%-11:41 AMW-5:29 AMS229,317 mi
17
50%12:13 AME12:23 PMW-6:18 AMS230,881 mi
18
40%1:10 AME1:06 PMWSW-7:08 AMS232,685 mi
19
29%2:08 AMESE1:51 PMWSW-7:59 AMS234,630 mi
20
19%3:06 AMESE2:38 PMWSW-8:52 AMS236,660 mi
21
11%4:04 AMESE3:28 PMWSW-9:46 AMS238,748 mi
22
5%5:01 AMESE4:21 PMWSW-10:41 AMS240,881 mi
23
2%5:56 AMESE5:15 PMWSW-11:35 AMS243,037 mi
24
0%6:47 AMESE6:09 PMWSW-12:28 PMS245,169 mi
25
1%7:34 AMESE7:03 PMWSW-1:19 PMS247,202 mi
26
3%8:18 AMESE7:55 PMWSW-2:06 PMS249,026 mi
27
8%8:57 AMESE8:45 PMWSW-2:51 PMS250,510 mi
28
14%9:34 AME9:33 PMW-3:34 PMS251,512 mi
29
21%10:09 AME10:21 PMW-4:14 PMS251,897 mi
30
30%10:43 AME11:08 PMW-4:55 PMS251,553 mi
31
39%11:17 AME11:56 PMW-5:35 PMS250,411 mi

Humidity Comfort Levels in January 2020 in San Juan

Humidity Comfort Levels in January 2020 in San Juan18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 2020 in San Juan

Wind Speed in January 2020 in San Juan1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 mph0 mph10 mph10 mph20 mph20 mph30 mph30 mph40 mph40 mph50 mph50 mphDecFeb
The daily range of reported wind speeds (gray bars), with maximum gust speeds (red ticks).

Hourly Wind Speed in January 2020 in San Juan

Hourly Wind Speed in January 2020 in San Juan18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 2020 in San Juan

Hourly Wind Direction in 2020 in San Juan18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 2020 in San Juan

Atmospheric Pressure in January 2020 in San Juan18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313129.7 inHg29.7 inHg29.8 inHg29.8 inHg29.9 inHg29.9 inHg30.0 inHg30.0 inHg30.1 inHg30.1 inHg30.2 inHg30.2 inHgDecFeb
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 Luis Muñoz Marín International Airport page.

See all nearby weather stations

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