The lowest daily average wind speed during January is 5.9 miles per hour on January 11. We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader. The estimated value at Phoenix is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Phoenix and a given station. Within 10 miles contains very significant variations in elevation (2,815 feet). Jul Over the course of January in Phoenix, the length of the day is increasing. Sep The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on January. Aug MERRA-2 Modern-Era Retrospective Analysis. We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. The month of January in Page is very likely fully outside of the growing season, with the chance that a given day is in the growing season gradually increasing from 0% to 4% over the course of the month. The January weather guide for Arizona shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. The average daily incident shortwave solar energy in Page is gradually increasing during January, rising by 0.7 kWh, from 2.9 kWh to 3.6 kWh, over the course of the month. The average hourly wind speed in Page is essentially constant during January, remaining within 0.2 miles per hour of 6.1 miles per hour throughout. For the purposes of this report, the geographical coordinates of Phoenix are 33.448 deg. The thin dotted line is the corresponding average liquid-equivalent snowfall. Daily high temperatures increase by 4°F, from 44°F to 48°F, rarely falling below 36°F or exceeding 57°F. In most years, Phoenix averages a daily maximum temperature for January that's between 66 and 72 degrees Fahrenheit (19 to 22 degrees Celsius). The latest sunrise of the month in Page is 7:39 AM on January 6 and the earliest sunrise is 10 minutes earlier at 7:29 AM on January 31. From the start to the end of the month, the length of the day increases by 39 minutes, implying an average daily increase of 1 minute, 19 seconds, and weekly increase of 9 minutes, 11 seconds. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. There are 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Phoenix. Below are average maximum temperatures at popular destinations in Arizona in January. Lower dew points feel drier and higher dew points feel more humid. For reference, on 13 August, the muggiest day of the year, there are muggy conditions 24% of the time, while on 3 November, the least muggy day of the year, there are muggy conditions 0% of the time. Typically on 14 days this month the sky is mainly clear, with at most 30 percent cloud cover. For reference, on 29 April, the windiest day of the year, the daily average wind speed is 12.1 kilometres per hour, while on 15 August, the calmest day of the year, the daily average wind speed is 9.2 kilometres per hour. These durations can vary by a minute or two from year to year. Station Data. The hourly average wind direction in Phoenix throughout January is predominantly from the east, with a peak proportion of 53% on 8 January. 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. We assume no responsibility for any decisions made on the basis of the content presented on this site. The average growing degree days accumulated over the course of January, with 25th to 75th and 10th to 90th percentile bands. For reference, on March 2, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 41%, while on September 18, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 84%. The area within 2 miles of Page is covered by shrubs (66%), bare soil (18%), and grassland (16%), within 10 miles by shrubs (63%) and grassland (19%), and within 50 miles by shrubs (84%). Time zones for airports and weather stations are provided by . Typical temperatures at cities, towns, national parks and monuments in Arizona during the month of January are listed below. You'll find separate tables for each region of the state: Southern Arizona, Western Arizona, Phoenix Area, Central Arizona, and Northern Arizona. 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. How sunny is it in Arizona in January? 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 minimum temperature usually falls between 44 and 48 °F (6 to 9 °C). Sunlight in January at Phoenix lasts for 10 hours and 13 minutes a day on average. Low °C. This report illustrates the typical weather in Phoenix, based on a statistical analysis of historical hourly weather reports and model reconstructions from 1 January 1980 to 31 December 2016. 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. The shaded overlays indicate night and civil twilight. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year. The month of January in Phoenix experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 34% throughout the month. January is the coldest month of the year in Arizona, with wide variations in temperatures across the state.Nights are below freezing in the northern and central parts but are mild in the south and west. The weather for January in America's major cities ranges from pleasantly mild to below freezing. The stations contributing to this reconstruction are: Phoenix Sky Harbor International Airport (74%, 7 kilometres, east); Phoenix-Deer Valley Airport (9%, 27 kilometres, north); Phoenix Goodyear Airport (9%, 29 kilometres, west); and Luke Air Force Base (8%, 29 kilometres, northwest). The black line is the percentage chance that a given day is within the growing season. Averages are for Scottsdale Airport, which is 8 miles from Scottsdale. The days at Phoenix heat up gradually during January. The average accumulated growing degree days in Phoenix are increasing during January, increasing by 117°C, from 0°C to 117°C, over the course of the month. The wind direction in Page during January is predominantly out of the north from January 1 to January 14 and the west from January 14 to January 31. 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. Oct *affiliate links: find out how we are funded and why this helps us remain free to use. Get the monthly weather forecast for Phoenix, AZ, including daily high/low, historical averages, to help you plan ahead. Naz̧arābād, Iran (7,280 miles away); Mashhad, Iran (7,353 miles); and Tashkent, Uzbekistan (7,043 miles) are the far-away foreign places with temperatures most similar to Page (view comparison). The shortest day of the month is 1 January, with 9 hours, 59 minutes of daylight and the longest day is 31 January, with 10 hours, 33 minutes of daylight.