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Winter Weather in Santa Maria da Boa Vista Brazil

Daily high temperatures are around 88°F, rarely falling below 82°F or exceeding 94°F. The lowest daily average high temperature is 86°F on July 5.

Daily low temperatures are around 70°F, rarely falling below 65°F or exceeding 74°F. The lowest daily average low temperature is 69°F on July 30.

For reference, on November 13, the hottest day of the year, temperatures in Santa Maria da Boa Vista typically range from 75°F to 95°F, while on July 23, the coldest day of the year, they range from 69°F to 87°F.

Average High and Low Temperature in the Winter in Santa Maria da Boa Vista

Average High and Low Temperature in the Winter in Santa Maria da Boa VistaJunJulAug65°F65°F70°F70°F75°F75°F80°F80°F85°F85°F90°F90°F95°F95°FFallSpringJun 2786°FJun 2786°F70°F70°FJun 188°FJun 188°F71°F71°FAug 3190°FAug 3190°F70°F70°FAug 187°FAug 187°F69°F69°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 winter temperatures. 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 the Winter in Santa Maria da Boa Vista

Average Hourly Temperature in the Winter in Santa Maria da Boa VistaJunJulAug12 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 AMFallSpringcomfortablewarmwarmwarmwarmhotcomfortable
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.

Jalapa, Mexico (4,190 miles away) and Agua Blanca Sur, Honduras (3,690 miles) are the far-away foreign places with temperatures most similar to Santa Maria da Boa Vista (view comparison).

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The winter in Santa Maria da Boa Vista experiences rapidly decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 43% to 28%. The lowest chance of overcast or mostly cloudy conditions is 25% on July 31.

The clearest day of the winter is July 31, with clear, mostly clear, or partly cloudy conditions 75% of the time.

For reference, on December 6, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 68%, while on July 21, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 75%.

Cloud Cover Categories in the Winter in Santa Maria da Boa Vista

Cloud Cover Categories in the Winter in Santa Maria da Boa VistaJunJulAug0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%FallSpringDec 632%Dec 632%Jun 157%Jun 157%Aug 3172%Aug 3172%Jul 173%Jul 173%Aug 175%Aug 175%clearmostly clearpartly 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 Santa Maria da Boa Vista, the chance of a wet day over the course of the winter is gradually decreasing, starting the season at 4% and ending it at 1%.

For reference, the year's highest daily chance of a wet day is 36% on March 26, and its lowest chance is 0% on August 17.

Probability of Precipitation in the Winter in Santa Maria da Boa Vista

Probability of Precipitation in the Winter in Santa Maria da Boa VistaJunJulAug0%0%2%2%4%4%6%6%8%8%10%10%12%12%FallSpringAug 150%Aug 150%Jun 14%Jun 14%Aug 311%Aug 311%Jul 12%Jul 12%Aug 11%Aug 11%rain
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 season and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during the winter in Santa Maria da Boa Vista is essentially constant, remaining about 0.1 inches throughout, and rarely exceeding 0.7 inches or falling below -0.0 inches.

The lowest average 31-day accumulation is 0.0 inches on August 9.

Average Monthly Rainfall in the Winter in Santa Maria da Boa Vista

Average Monthly Rainfall in the Winter in Santa Maria da Boa VistaJunJulAug0.0 in0.0 in0.5 in0.5 in1.0 in1.0 in1.5 in1.5 in2.0 in2.0 in2.5 in2.5 inFallSpringAug 90.0 inAug 90.0 inJun 10.2 inJun 10.2 inAug 310.2 inAug 310.2 inJul 10.1 inJul 10.1 in
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.

Over the course of the winter in Santa Maria da Boa Vista, the length of the day is gradually increasing. From the start to the end of the season, the length of the day increases by 18 minutes, implying an average daily increase of 12 seconds, and weekly increase of 1 minute, 23 seconds.

The shortest day of the winter is June 20, with 11 hours, 37 minutes of daylight and the longest day is August 31, with 11 hours, 56 minutes of daylight.

Hours of Daylight and Twilight in the Winter in Santa Maria da Boa Vista

Hours of Daylight and Twilight in the Winter in Santa Maria da Boa VistaJunJulAug0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrFallSpringJun 2011 hr, 37 minJun 2011 hr, 37 mindaydaydaydaynightAug 3111 hr, 56 minAug 3111 hr, 56 minAug 111 hr, 44 minAug 111 hr, 44 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 winter in Santa Maria da Boa Vista is 5:55 AM on July 14 and the earliest sunrise is 14 minutes earlier at 5:41 AM on August 31.

The earliest sunset is 5:26 PM on June 1 and the latest sunset is 12 minutes later at 5:38 PM on August 15.

Daylight saving time is not observed in Santa Maria da Boa Vista during 2024.

For reference, on December 21, the longest day of the year, the Sun rises at 5:18 AM and sets 12 hours, 38 minutes later, at 5:56 PM, while on June 20, the shortest day of the year, it rises at 5:52 AM and sets 11 hours, 37 minutes later, at 5:29 PM.

Sunrise & Sunset with Twilight in the Winter in Santa Maria da Boa Vista

Sunrise & Sunset with Twilight in the Winter in Santa Maria da Boa VistaJunJulAug12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PMFallSpring5:41 AM5:41 AMAug 315:37 PMAug 315:37 PM5:49 AM5:49 AMAug 155:38 PMAug 155:38 PM5:48 AM5:48 AMJun 15:26 PMJun 15:26 PM5:55 AM5:55 AMJul 145:34 PMJul 145:34 PMSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day in the winter. 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 the Winter in Santa Maria da Boa Vista

Solar Elevation and Azimuth in the Winter in Santa Maria da Boa VistaJunJulAug12 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 AMFallSpring001020203030405050606000101020303040405060
northeastsouthwest
Solar elevation and azimuth in the the winter of 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 the winter of 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 the Winter in Santa Maria da Boa Vista

Moon Rise, Set & Phases in the Winter in Santa Maria da Boa VistaJunJulAug12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMFallSpringMay 812:23 AMMay 812:23 AMMay 2310:54 AMMay 2310:54 AMJun 69:38 AMJun 69:38 AMJun 2110:09 PMJun 2110:09 PMJul 57:58 PMJul 57:58 PMJul 217:18 AMJul 217:18 AMAug 48:14 AMAug 48:14 AMAug 193:26 PMAug 193:26 PMSep 210:56 PMSep 210:56 PMSep 1711:35 PMSep 1711:35 PM5:58 AM5:58 AM4:41 PM4:41 PM5:37 AM5:37 AM5:44 AM5:44 AM5:10 PM5:10 PM6:20 AM6:20 AM5:32 AM5:32 AM4:57 PM4:57 PM6:03 AM6:03 AM6:00 AM6:00 AM5:56 PM5:56 PM5:42 PM5:42 PM6:26 AM6:26 AM5:26 PM5:26 PM5:19 PM5:19 PM5:48 AM5:48 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.

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 Santa Maria da Boa Vista is very rapidly decreasing during the winter, falling from 50% to 9% over the course of the season.

The lowest chance of a muggy day during the winter is 8% on August 22.

For reference, on March 29, the muggiest day of the year, there are muggy conditions 81% of the time, while on August 22, the least muggy day of the year, there are muggy conditions 8% of the time.

Humidity Comfort Levels in the Winter in Santa Maria da Boa Vista

Humidity Comfort Levels in the Winter in Santa Maria da Boa VistaJunJulAug0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%FallSpringAug 228%Aug 228%Jun 150%Jun 150%Jul 131%Jul 131%Aug 112%Aug 112%oppressiveoppressivemuggymuggyhumidhumidcomfortablecomfortabledrydry
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 Santa Maria da Boa Vista is rapidly increasing during the winter, increasing from 11.9 miles per hour to 14.7 miles per hour over the course of the season.

For reference, on August 29, the windiest day of the year, the daily average wind speed is 14.7 miles per hour, while on March 24, the calmest day of the year, the daily average wind speed is 8.2 miles per hour.

The highest daily average wind speed during the winter is 14.7 miles per hour on August 30.

Average Wind Speed in the Winter in Santa Maria da Boa Vista

Average Wind Speed in the Winter in Santa Maria da Boa VistaJunJulAug0 mph0 mph5 mph5 mph10 mph10 mph15 mph15 mphFallSpringAug 3014.7 mphAug 3014.7 mphJun 111.9 mphJun 111.9 mphJul 113.0 mphJul 113.0 mphAug 113.9 mphAug 113.9 mph
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 Santa Maria da Boa Vista throughout the winter is predominantly from the east, with a peak proportion of 92% on August 31.

Wind Direction in the Winter in Santa Maria da Boa Vista

Wind Direction in the Winter in Santa Maria da Boa VistaJunJulAug0%100%20%80%40%60%60%40%80%20%100%0%FallSpringeast
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).

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).

Temperatures in Santa Maria da Boa Vista 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.

Time Spent in Various Temperature Bands and the Growing Season in the Winter in Santa Maria da Boa Vista

Time Spent in Various Temperature Bands and the Growing Season in the Winter in Santa Maria da Boa VistaJunJulAug0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%FallSpring100%Jul 17100%Jul 17comfortablewarmhotsweltering
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 Santa Maria da Boa Vista are very rapidly decreasing during the winter, decreasing by 8,400°F, from 10,058°F to 1,659°F, over the course of the season.

Growing Degree Days in the Winter in Santa Maria da Boa Vista

Growing Degree Days in the Winter in Santa Maria da Boa VistaJunJulAug2,000°F2,000°F4,000°F4,000°F6,000°F6,000°F8,000°F8,000°F10,000°F10,000°FFallSpringJun 110,058°FJun 110,058°FAug 311,659°FAug 311,659°FJul 11°FJul 11°FAug 1828°FAug 1828°F
The average growing degree days accumulated over the course of the winter, 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 Santa Maria da Boa Vista is increasing during the winter, rising by 1.3 kWh, from 5.7 kWh to 7.0 kWh, over the course of the season.

The lowest average daily incident shortwave solar energy during the winter is 5.7 kWh on June 16.

Average Daily Incident Shortwave Solar Energy in the Winter in Santa Maria da Boa Vista

Average Daily Incident Shortwave Solar Energy in the Winter in Santa Maria da Boa VistaJunJulAug0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWhFallSpringJun 165.7 kWhJun 165.7 kWhAug 317.0 kWhAug 317.0 kWhAug 16.3 kWhAug 16.3 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 Santa Maria da Boa Vista are -8.808 deg latitude, -39.826 deg longitude, and 1,152 ft elevation.

The topography within 2 miles of Santa Maria da Boa Vista contains only modest variations in elevation, with a maximum elevation change of 459 feet and an average elevation above sea level of 1,185 feet. Within 10 miles contains only modest variations in elevation (896 feet). Within 50 miles also contains very significant variations in elevation (1,726 feet).

The area within 2 miles of Santa Maria da Boa Vista is covered by shrubs (30%), water (25%), cropland (20%), and trees (14%), within 10 miles by shrubs (70%) and trees (12%), and within 50 miles by shrubs (69%) and trees (18%).

This report illustrates the typical weather in Santa Maria da Boa Vista, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Temperature and Dew Point

There is only a single weather station, Petrolina, in our network suitable to be used as a proxy for the historical temperature and dew point records of Santa Maria da Boa Vista.

At a distance of 102 kilometers from Santa Maria da Boa Vista, closer than our threshold of 150 kilometers, this station is deemed sufficiently nearby to be relied upon as our primary source for temperature and dew point records.

The station records are corrected for the elevation difference between the station and Santa Maria da Boa Vista according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

Please note that the station records themselves may additionally have been back-filled using other nearby stations or the MERRA-2 reanalysis.

Other Data

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.

All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . 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.

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.

Disclaimer

The 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.

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.

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