December 2018 Weather History in Milpitas California, United States

The data for this report comes from the Norman Y. Mineta San José International Airport. See all nearby weather stations

This report shows the past weather for Milpitas, providing a weather history for December 2018. It features all historical weather data series we have available, including the Milpitas temperature history for December 2018. You can drill down from year to month and even day level reports by clicking on the graphs.

Milpitas Temperature History December 2018

Temperature history in December 2018 in Milpitas18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313130°F30°F35°F35°F40°F40°F45°F45°F50°F50°F55°F55°F60°F60°F65°F65°F70°F70°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 2018 in Milpitas

Hourly Temperature in December 2018 in Milpitas18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJanvery coldcoldcool
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 2018 in Milpitas

Cloud Cover in December 2018 in Milpitas18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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.

Daily Precipitation in December 2018 in Milpitas

Daily Precipitation in December 2018 in Milpitas1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310.0 in0.0 in0.5 in0.5 in1.0 in1.0 in1.5 in1.5 in2.0 in2.0 inNovJan
The daily measured quantity of liquid or liquid-equivalent precipitation.

Snow Depth in December 2018 in Milpitas

Snow Depth in December 2018 in Milpitas1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310.0 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 inNovJan
The daily measured snow depth, where available.

Observed Weather in December 2018 in Milpitas

Observed Weather in December 2018 in Milpitas18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 Rain, Mist0.15 in-RA, BR
Tue, Dec 4 Heavy Rain, Light Rain, Mist0.10 in+RA, -RA, BR
Wed, Dec 5 Light Rain, Mist0.12 in-RA, BR
Sat, Dec 8 Haze, MistHZ, BR
Sun, Dec 9 Haze, MistHZ, BR
Mon, Dec 10 Haze, MistHZ, BR
Tue, Dec 11 Fog, MistFG, BR
Wed, Dec 12 Light Drizzle, Mist0.01 in-DZ, BR
Sun, Dec 16 Heavy Rain, Rain, Light Rain, Mist0.43 in+RA, RA, -RA, BR
Mon, Dec 17 Heavy Rain, Rain, Light Rain, Mist0.45 in+RA, RA, -RA, BR
Wed, Dec 19 MistBR
Thu, Dec 20 Haze, Fog, MistHZ, FG, BR
Fri, Dec 21 MistBR
Mon, Dec 24 Heavy Rain, Rain, Light Rain, Mist0.24 in+RA, RA, -RA, BR
Tue, Dec 25 Light Rain, Mist0.02 in-RA, BR

Hours of Daylight and Twilight in December 2018 in Milpitas

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 2018 in Milpitas

The solar day over the course of December 2018. 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 2018 in Milpitas

Solar Elevation and Azimuth in December 2018 in MilpitasDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMNovJan0010102020001010202030
northeastsouthwest
Solar elevation and azimuth over the course of December 2018. 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 2018 in Milpitas

Moon Rise, Set & Phases in December 2018 in Milpitas18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNovJanDec 611:21 PMDec 611:21 PMDec 229:49 AMDec 229:49 AMJan 55:29 PMJan 55:29 PM6:21 AM6:21 AM4:47 PM4:47 PM4:19 PM4:19 PM7:07 AM7:07 AM7:02 AM7:02 AM5:01 PM5:01 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 2018IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
32%1:05 AME1:55 PMW-7:32 AMS233,648 mi
2
22%2:10 AME2:27 PMW-8:20 AMS235,538 mi
3
14%3:14 AME2:59 PMW-9:08 AMS237,520 mi
4
7%4:18 AMESE3:33 PMWSW-9:56 AMS239,583 mi
5
2%5:20 AMESE4:08 PMWSW-10:44 AMS241,713 mi
6
0%6:21 AMESE4:47 PMWSW-11:34 AMS243,874 mi
7
0%7:20 AMESE5:30 PMWSW-12:25 PMS245,998 mi
8
2%8:16 AMESE6:17 PMWSW-1:17 PMS247,980 mi
9
6%9:07 AMESE7:08 PMWSW-2:08 PMS249,684 mi
10
12%9:54 AMESE8:01 PMWSW-2:57 PMS250,962 mi
11
19%10:35 AMESE8:56 PMWSW-3:45 PMS251,667 mi
12
28%11:12 AMESE9:51 PMWSW-4:31 PMS251,673 mi
13
37%11:45 AMESE10:47 PMWSW-5:16 PMS250,891 mi
14
46%12:15 PMESE11:44 PMW-5:59 PMS249,288 mi
15
50%12:44 PME--6:42 PMS246,893 mi
16
66%-12:41 AMW1:13 PME7:25 PMS243,814 mi
17
76%-1:40 AMW1:43 PME8:10 PMS240,229 mi
18
84%-2:41 AMW2:15 PMENE8:57 PMS236,394 mi
19
92%-3:45 AMWNW2:50 PMENE9:48 PMS232,619 mi
20
97%-4:51 AMWNW3:31 PMENE10:43 PMS229,244 mi
21
100%-6:00 AMWNW4:19 PMENE11:41 PMS226,593 mi
22
100%-7:07 AMWNW5:14 PMENE--
23
99%-8:12 AMWNW6:18 PMENE12:43 AMS224,918 mi
24
96%-9:10 AMWNW7:26 PMENE1:45 AMS224,353 mi
25
90%-10:01 AMWNW8:37 PMENE2:46 AMS224,882 mi
26
81%-10:45 AMWNW9:48 PMENE3:44 AMS226,361 mi
27
71%-11:24 AMWNW10:57 PME4:38 AMS228,555 mi
28
59%-11:58 AMW-5:30 AMS231,202 mi
29
50%12:03 AME12:31 PMW-6:19 AMS234,056 mi
30
37%1:08 AME1:03 PMW-7:06 AMS236,921 mi
31
27%2:11 AME1:35 PMWSW-7:54 AMS239,661 mi

Humidity Comfort Levels in December 2018 in Milpitas

Humidity Comfort Levels in December 2018 in Milpitas18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 2018 in Milpitas

Wind Speed in December 2018 in Milpitas1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 mph0 mph10 mph10 mph20 mph20 mph30 mph30 mph40 mph40 mphNovJan
The daily range of reported wind speeds (gray bars), with maximum gust speeds (red ticks).

Hourly Wind Speed in December 2018 in Milpitas

Hourly Wind Speed in December 2018 in Milpitas18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 2018 in Milpitas

Hourly Wind Direction in 2018 in Milpitas18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 2018 in Milpitas

Atmospheric Pressure in December 2018 in Milpitas18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313129.4 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.

The details of the data sources used for this report can be found on the Norman Y. Mineta San José International Airport page.

See all nearby weather stations

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