October Weather in Serra Talhada BrazilDaily high temperatures are around 98°F, rarely falling below 94°F or exceeding 102°F. Daily low temperatures increase by 2°F, from 68°F to 70°F, rarely falling below 65°F or exceeding 73°F. For reference, on October 30, the hottest day of the year, temperatures in Serra Talhada typically range from 70°F to 99°F, while on July 31, the coldest day of the year, they range from 64°F to 89°F. The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on October. 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. San Luis Ixcán, Guatemala (3,972 miles away) and Tixcacaltuyub, Mexico (3,965 miles) are the far-away foreign places with temperatures most similar to Serra Talhada (view comparison). CloudsThe month of October in Serra Talhada experiences very rapidly increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 36% to 56%. The clearest day of the month is October 1, with clear, mostly clear, or partly cloudy conditions 64% of the time. For reference, on February 28, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 68%, while on July 28, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 75%. PrecipitationA wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Serra Talhada, the chance of a wet day over the course of October is essentially constant, remaining around 5% throughout. For reference, the year's highest daily chance of a wet day is 48% on March 24, and its lowest chance is 3% on August 25. RainfallTo 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 October in Serra Talhada is essentially constant, remaining about 0.4 inches throughout, and rarely exceeding 1.4 inches or falling below -0.0 inches. SunOver the course of October in Serra Talhada, the length of the day is essentially constant. The shortest day of the month is October 1, with 12 hours, 11 minutes of daylight and the longest day is October 31, with 12 hours, 23 minutes of daylight. The latest sunrise of the month in Serra Talhada is 5:17 AM on October 1 and the earliest sunrise is 12 minutes earlier at 5:05 AM on October 31. The earliest sunset is 5:27 PM on October 14 and the latest sunset is 1 minute, 19 seconds later at 5:28 PM on October 31. Daylight saving time is not observed in Serra Talhada during 2024. For reference, on December 21, the longest day of the year, the Sun rises at 5:13 AM and sets 12 hours, 36 minutes later, at 5:49 PM, while on June 20, the shortest day of the year, it rises at 5:45 AM and sets 11 hours, 40 minutes later, at 5:24 PM. 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. MoonThe figure below presents a compact representation of key lunar data for October 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.
HumidityWe 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 Serra Talhada is gradually increasing during October, rising from 2% to 5% over the course of the month. For reference, on April 3, the muggiest day of the year, there are muggy conditions 76% of the time, while on September 13, the least muggy day of the year, there are muggy conditions 2% of the time. WindThis 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 Serra Talhada is gradually decreasing during October, decreasing from 12.4 miles per hour to 11.5 miles per hour over the course of the month. For reference, on August 29, the windiest day of the year, the daily average wind speed is 13.1 miles per hour, while on March 25, the calmest day of the year, the daily average wind speed is 7.0 miles per hour. The hourly average wind direction in Serra Talhada throughout October is predominantly from the east, with a peak proportion of 83% on October 31. Growing SeasonDefinitions 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). Temperatures in Serra Talhada are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year. 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 Serra Talhada are rapidly increasing during October, increasing by 887°F, from 2,372°F to 3,260°F, over the course of the month. Solar EnergyThis 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 Serra Talhada is essentially constant during October, remaining around 7.6 kWh throughout. The highest average daily incident shortwave solar energy during October is 7.6 kWh on October 11. TopographyFor the purposes of this report, the geographical coordinates of Serra Talhada are -7.992 deg latitude, -38.298 deg longitude, and 1,430 ft elevation. The topography within 2 miles of Serra Talhada contains very significant variations in elevation, with a maximum elevation change of 1,119 feet and an average elevation above sea level of 1,427 feet. Within 10 miles also contains very significant variations in elevation (1,611 feet). Within 50 miles contains very significant variations in elevation (2,936 feet). The area within 2 miles of Serra Talhada is covered by shrubs (41%), trees (26%), grassland (22%), and cropland (11%), within 10 miles by shrubs (58%) and trees (25%), and within 50 miles by shrubs (49%) and trees (30%). Data SourcesThis report illustrates the typical weather in Serra Talhada, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. Serra Talhada is further than 200 kilometers from the nearest reliable weather station, so the weather-related data on this page were taken entirely from NASA's MERRA-2 satellite-era reanalysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid. The temperature and dew point estimates are corrected for the difference between the reference elevation of the MERRA-2 grid cell and the elevation of Serra Talhada, according to the International Standard Atmosphere . 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. Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations. Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. 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 © OpenStreetMap contributors. DisclaimerThe information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site. We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands. 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