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January Weather in Martha's Vineyard Island Massachusetts, United States

Daily high temperatures decrease by 3°F, from 42°F to 38°F, rarely falling below 26°F or exceeding 53°F. The lowest daily average high temperature is 38°F on January 30.

Daily low temperatures decrease by 3°F, from 27°F to 24°F, rarely falling below 10°F or exceeding 40°F. The lowest daily average low temperature is 24°F on January 30.

For reference, on July 24, the hottest day of the year, temperatures in Martha's Vineyard Island typically range from 64°F to 79°F, while on January 30, the coldest day of the year, they range from 24°F to 38°F.

Average High and Low Temperature in January in Martha's Vineyard Island

Average High and Low Temperature in January in Martha's Vineyard IslandJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313110°F10°F15°F15°F20°F20°F25°F25°F30°F30°F35°F35°F40°F40°F45°F45°F50°F50°F55°F55°F60°F60°FDecFebJan 3038°FJan 3038°F24°F24°FJan 142°FJan 142°F27°F27°FJan 1140°FJan 1140°F25°F25°FJan 2139°FJan 2139°F25°F25°F
The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.

The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on January. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Average Hourly Temperature in January in Martha's Vineyard Island

Average Hourly Temperature in January in Martha's Vineyard IslandJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMDecFebfreezingfreezingvery coldvery 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 average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.
Map
Marker
© OpenStreetMap contributors

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Map

The month of January in Martha's Vineyard Island experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 52% throughout the month.

The clearest day of the month is January 31, with clear, mostly clear, or partly cloudy conditions 49% of the time.

For reference, on May 23, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 53%, while on September 5, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 63%.

Cloud Cover Categories in January in Martha's Vineyard Island

Cloud Cover Categories in January in Martha's Vineyard IslandJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%DecFebJan 148%Jan 148%Jan 3149%Jan 3149%Jan 1149%Jan 1149%Jan 2148%Jan 2148%clearmostly clearpartly cloudymostly cloudyovercast
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Martha's Vineyard Island, the chance of a wet day over the course of January is essentially constant, remaining around 27% throughout.

For reference, the year's highest daily chance of a wet day is 31% on December 10, and its lowest chance is 21% on July 3.

Over the course of January in Martha's Vineyard Island, the chance of a day with only rain decreases from 20% to 17%, the chance of a day with mixed snow and rain remains an essentially constant 6% throughout, and the chance of a day with only snow remains an essentially constant 2% throughout.

Probability of Precipitation in January in Martha's Vineyard Island

Probability of Precipitation in January in Martha's Vineyard IslandJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%5%5%10%10%15%15%20%20%25%25%30%30%DecFebJan 3126%Jan 3126%Jan 127%Jan 127%Jan 1128%Jan 1128%Jan 2127%Jan 2127%snowmixedrain
The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day).

Rainfall

To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during January in Martha's Vineyard Island is gradually decreasing, starting the month at 3.0 inches, when it rarely exceeds 4.9 inches or falls below 1.4 inches, and ending the month at 2.5 inches, when it rarely exceeds 4.5 inches or falls below 1.0 inches.

The lowest average 31-day accumulation is 2.5 inches on January 30.

Average Monthly Rainfall in January in Martha's Vineyard Island

The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average snowfall.

Snowfall

As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day snowfall during January in Martha's Vineyard Island is increasing, starting the month at 2.7 inches, when it rarely exceeds 7.6 inches, and ending the month at 4.3 inches, when it rarely exceeds 11.1 inches or falls below 0.3 inches.

Average Monthly Snowfall in January in Martha's Vineyard Island

The average snowfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average rainfall.

Over the course of January in Martha's Vineyard Island, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 47 minutes, implying an average daily increase of 1 minute, 34 seconds, and weekly increase of 10 minutes, 56 seconds.

The shortest day of the month is January 1, with 9 hours, 15 minutes of daylight and the longest day is January 31, with 10 hours, 1 minute of daylight.

Hours of Daylight and Twilight in January in Martha's Vineyard Island

Hours of Daylight and Twilight in January in Martha's Vineyard IslandJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrDecFebnightnightdaydayJan 19 hr, 15 minJan 19 hr, 15 minJan 3110 hr, 1 minJan 3110 hr, 1 minJan 169 hr, 32 minJan 169 hr, 32 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.

The latest sunrise of the month in Martha's Vineyard Island is 7:08 AM on January 5 and the earliest sunrise is 13 minutes earlier at 6:55 AM on January 31.

The earliest sunset is 4:23 PM on January 1 and the latest sunset is 34 minutes later at 4:56 PM on January 31.

Daylight saving time is observed in Martha's Vineyard Island during 2024, but it neither starts nor ends during January, so the entire month is in daylight saving time.

For reference, on June 20, the longest day of the year, the Sun rises at 5:08 AM and sets 15 hours, 11 minutes later, at 8:19 PM, while on December 21, the shortest day of the year, it rises at 7:05 AM and sets 9 hours, 11 minutes later, at 4:16 PM.

Sunrise & Sunset with Twilight in January in Martha's Vineyard Island

The solar day over the course of January. 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.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

Solar Elevation and Azimuth in January in Martha's Vineyard Island

Solar Elevation and Azimuth in January in Martha's Vineyard IslandJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMDecFeb001010202020300001010202030
northeastsouthwest
Solar elevation and azimuth over the course of January 2024. 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).

The figure below presents a compact representation of key lunar data for January 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

Moon Rise, Set & Phases in January in Martha's Vineyard Island

Moon Rise, Set & Phases in January in Martha's Vineyard IslandJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMDecFebDec 126:33 PMDec 126:33 PMDec 267:34 PMDec 267:34 PMJan 116:58 AMJan 116:58 AMJan 2512:55 PMJan 2512:55 PMFeb 96:00 PMFeb 96:00 PMFeb 247:31 AMFeb 247:31 AM6:50 AM6:50 AM3:40 PM3:40 PM3:42 PM3:42 PM8:02 AM8:02 AM7:40 AM7:40 AM4:37 PM4:37 PM4:38 PM4:38 PM7:53 AM7:53 AM6:55 AM6:55 AM4:49 PM4:49 PM4:37 PM4:37 PM6:45 AM6:45 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 2024IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
75%-10:36 AMWNW9:58 PME3:50 AMS251,572 mi
2
66%-10:55 AMW10:58 PME4:29 AMS251,388 mi
3
50%-11:14 AMW11:59 PME5:08 AMS250,384 mi
4
47%-11:33 AMW-5:47 AMS248,556 mi
5
37%1:01 AMESE11:54 AMWSW-6:28 AMS245,968 mi
6
28%2:06 AMESE12:18 PMWSW-7:13 AMS242,756 mi
7
19%3:15 AMESE12:49 PMWSW-8:02 AMS239,133 mi
8
11%4:27 AMSE1:28 PMSW-8:57 AMS235,375 mi
9
5%5:38 AMSE2:18 PMSW-9:58 AMS231,809 mi
10
1%6:44 AMSE3:22 PMSW-11:03 AMS228,769 mi
11
0%7:40 AMSE4:37 PMSW-12:09 PMS226,546 mi
12
2%8:26 AMESE5:57 PMWSW-1:12 PMS225,327 mi
13
7%9:02 AMESE7:19 PMWSW-2:10 PMS225,161 mi
14
15%9:31 AMESE8:37 PMWSW-3:03 PMS225,967 mi
15
25%9:56 AME9:53 PMW-3:53 PMS227,566 mi
16
36%10:20 AME11:07 PMW-4:40 PMS229,732 mi
17
50%10:43 AME--5:27 PMS232,233 mi
18
59%-12:19 AMWNW11:07 AMENE6:15 PMS234,871 mi
19
70%-1:32 AMWNW11:35 AMENE7:05 PMS237,497 mi
20
79%-2:44 AMWNW12:07 PMENE7:57 PMS240,016 mi
21
87%-3:54 AMNW12:47 PMNE8:51 PMS242,376 mi
22
93%-5:00 AMNW1:35 PMNE9:46 PMS244,556 mi
23
98%-5:57 AMNW2:31 PMNE10:40 PMS246,541 mi
24
100%-6:44 AMNW3:33 PMNE11:32 PMS248,312 mi
25
100%-7:22 AMWNW4:38 PMENE--
26
100%-7:53 AMWNW5:43 PMENE12:20 AMS249,831 mi
27
98%-8:19 AMWNW6:46 PMENE1:05 AMS251,033 mi
28
94%-8:40 AMWNW7:48 PMENE1:47 AMS251,835 mi
29
89%-9:00 AMW8:48 PME2:27 AMS252,139 mi
30
82%-9:18 AMW9:48 PME3:05 AMS251,844 mi
31
74%-9:36 AMW10:49 PMESE3:44 AMS250,865 mi

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The chance that a given day will be muggy in Martha's Vineyard Island is essentially constant during January, remaining around 0% throughout.

For reference, on August 1, the muggiest day of the year, there are muggy conditions 53% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.

Humidity Comfort Levels in January in Martha's Vineyard Island

Humidity Comfort Levels in January in Martha's Vineyard IslandJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%DecFebJan 10%Jan 10%Jan 310%Jan 310%Jan 110%Jan 110%Jan 210%Jan 210%drydrycomfortablecomfortable
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The percentage of time spent at various humidity comfort levels, categorized by dew point.

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Martha's Vineyard Island is essentially constant during January, remaining within 0.1 miles per hour of 17.4 miles per hour throughout.

For reference, on January 13, the windiest day of the year, the daily average wind speed is 17.5 miles per hour, while on July 24, the calmest day of the year, the daily average wind speed is 11.2 miles per hour.

The highest daily average wind speed during January is 17.5 miles per hour on January 13.

Average Wind Speed in January in Martha's Vineyard Island

The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The hourly average wind direction in Martha's Vineyard Island throughout January is predominantly from the west, with a peak proportion of 47% on January 5.

Wind Direction in January in Martha's Vineyard Island

Wind Direction in January in Martha's Vineyard IslandJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%DecFebwestnorthsoutheast
northeastsouthwest
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than 1.0 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

Martha's Vineyard Island is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average surface water temperature in Martha's Vineyard Island is decreasing during January, falling by 4°F, from 44°F to 40°F, over the course of the month.

Average Water Temperature in January in Martha's Vineyard Island

Average Water Temperature in January in Martha's Vineyard IslandJan112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313134°F34°F36°F36°F38°F38°F40°F40°F42°F42°F44°F44°F46°F46°F48°F48°F50°F50°F52°F52°F54°F54°FDecFebJan 144°FJan 144°FJan 3140°FJan 3140°FJan 1143°FJan 1143°FJan 2141°FJan 2141°F
The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

The growing season in Martha's Vineyard Island typically lasts for 6.2 months (190 days), from around April 24 to around October 31, rarely starting before April 2 or after May 14, and rarely ending before October 12 or after November 18.

The month of January in Martha's Vineyard Island is reliably fully outside of the growing season.

Time Spent in Various Temperature Bands and the Growing Season in January in Martha's Vineyard Island

Time Spent in Various Temperature Bands and the Growing Season in January in Martha's Vineyard IslandJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%DecFeb0%Jan 160%Jan 16freezingvery coldcoldcoolfrigid
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 percentage of time spent in various temperature bands. The black line is the percentage chance that a given day is within the growing season.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days in Martha's Vineyard Island are essentially constant during January, remaining within 2°F of 2°F throughout.

Growing Degree Days in January in Martha's Vineyard Island

The average growing degree days accumulated over the course of January, with 25th to 75th and 10th to 90th percentile bands.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy in Martha's Vineyard Island is gradually increasing during January, rising by 0.6 kWh, from 1.7 kWh to 2.4 kWh, over the course of the month.

Average Daily Incident Shortwave Solar Energy in January in Martha's Vineyard Island

Average Daily Incident Shortwave Solar Energy in January in Martha's Vineyard IslandJan11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310.0 kWh0.0 kWh0.5 kWh0.5 kWh1.0 kWh1.0 kWh1.5 kWh1.5 kWh2.0 kWh2.0 kWh2.5 kWh2.5 kWh3.0 kWh3.0 kWh3.5 kWh3.5 kWh4.0 kWh4.0 kWh4.5 kWh4.5 kWh5.0 kWh5.0 kWhDecFebJan 11.7 kWhJan 11.7 kWhJan 312.4 kWhJan 312.4 kWhJan 111.9 kWhJan 111.9 kWhJan 212.1 kWhJan 212.1 kWh
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.

For the purposes of this report, the geographical coordinates of Martha's Vineyard Island are 41.417 deg latitude, -70.616 deg longitude, and 0 ft elevation.

The topography within 2 miles of Martha's Vineyard Island is essentially flat, with a maximum elevation change of 0 feet and an average elevation above sea level of 0 feet. Within 10 miles is also essentially flat (0 feet). Within 50 miles is also essentially flat (0 feet).

The area within 2 miles of Martha's Vineyard Island is covered by trees (88%), within 10 miles by water (72%) and trees (23%), and within 50 miles by water (77%) and trees (13%).

This report illustrates the typical weather in Martha's Vineyard Island, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

The details of the data sources used for this report can be found on the Martha's Vineyard Airport page.

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