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Climate and Average Weather Year Round in Monteiro Brazil

In Monteiro, the summers are hot and mostly cloudy; the winters are short, comfortable, and mostly clear; and it is dry and windy year round. Over the course of the year, the temperature typically varies from 62°F to 95°F and is rarely below 59°F or above 98°F.

Based on the beach/pool score, the best time of year to visit Monteiro for hot-weather activities is from late May to early November.

Climate in Monteiro

hotwarmhothotJanFebMarAprMayJunJulAugSepOctNovDecNowNow75%75%35%35%overcastclearprecipitation: 3.9 inprecipitation: 3.9 in0.2 in0.2 inmuggy: 69%muggy: 69%1%1%drydrybeach/pool score: 7.3beach/pool score: 7.35.65.6
Monteiro weather by month. Click on each chart for more information.

Average Temperature in Monteiro

The hot season lasts for 3.4 months, from September 29 to January 11, with an average daily high temperature above 93°F. The hottest day of the year is November 19, with an average high of 95°F and low of 67°F.

The cool season lasts for 2.6 months, from May 26 to August 12, with an average daily high temperature below 87°F. The coldest day of the year is August 4, with an average low of 62°F and high of 86°F.

Average High and Low Temperature in Monteiro

Average High and Low Temperature in MonteirohotcoolJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°F90°F90°F100°F100°FAug 486°FAug 486°FNov 1995°FNov 1995°F62°F62°F67°F67°FSep 2993°FSep 2993°FJan 1193°FJan 1193°FMay 2687°FMay 2687°F65°F65°F68°F68°F66°F66°FNowNow
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 entire year of hourly average temperatures. The horizontal axis is the day of the year, 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 Monteiro

Average Hourly Temperature in MonteiroJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNowNowcoolcomfortablecomfortablewarmhothot
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.

Nuevo Xcán, Mexico (3,964 miles away) is the far-away foreign place with temperatures most similar to Monteiro (view comparison).

Compare Monteiro to another city:

Clouds

In Monteiro, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year.

The clearer part of the year in Monteiro begins around May 28 and lasts for 4.7 months, ending around October 20. On July 30, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 75% of the time, and overcast or mostly cloudy 25% of the time.

The cloudier part of the year begins around October 20 and lasts for 7.3 months, ending around May 28. On April 21, the cloudiest day of the year, the sky is overcast or mostly cloudy 65% of the time, and clear, mostly clear, or partly cloudy 35% of the time.

Cloud Cover Categories in Monteiro

Cloud Cover Categories in MonteiroclearercloudiercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Jul 3075%Jul 3075%Apr 2135%Apr 2135%May 2855%May 2855%Oct 2056%Oct 2056%NowNowclearmostly 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.

Precipitation

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days in Monteiro varies significantly throughout the year.

The wetter season lasts 3.9 months, from January 18 to May 13, with a greater than 25% chance of a given day being a wet day. The chance of a wet day peaks at 46% on March 27.

The drier season lasts 8.1 months, from May 13 to January 18. The smallest chance of a wet day is 3% on October 4.

Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 46% on March 27.

Daily Chance of Precipitation in Monteiro

Daily Chance of Precipitation in MonteirowetdrydryJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Mar 2746%Mar 2746%Oct 43%Oct 43%Jan 117%Jan 117%Jan 1825%Jan 1825%May 1325%May 1325%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 months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Monteiro experiences significant seasonal variation in monthly rainfall.

The rainy period of the year lasts for 8.1 months, from November 28 to July 30, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around March 27, with an average total accumulation of 3.9 inches.

The rainless period of the year lasts for 3.9 months, from July 30 to November 28. The least rain falls around September 21, with an average total accumulation of 0.2 inches.

Average Monthly Rainfall in Monteiro

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 liquid-equivalent snowfall.

Sun

The length of the day in Monteiro does not vary substantially over the course of the year, staying within 35 minutes of 12 hours throughout. In 2021, the shortest day is June 21, with 11 hours, 40 minutes of daylight; the longest day is December 21, with 12 hours, 35 minutes of daylight.

Hours of Daylight and Twilight in Monteiro

Hours of Daylight and Twilight in MonteiroJanFebMarAprMayJunJulAugSepOctNovDec0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hr12 hr, 6 minSep 2212 hr, 6 minSep 2212 hr, 35 minDec 2112 hr, 35 minDec 2112 hr, 7 minMar 2012 hr, 7 minMar 2011 hr, 40 minJun 2111 hr, 40 minJun 21daydaynightNowNow
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 earliest sunrise is at 4:58 AM on November 14, and the latest sunrise is 45 minutes later at 5:43 AM on July 14. The earliest sunset is at 5:16 PM on May 24, and the latest sunset is 39 minutes later at 5:55 PM on January 28.

Daylight saving time (DST) is not observed in Monteiro during 2021.

Sunrise & Sunset with Twilight in Monteiro

Sunrise & Sunset with Twilight in MonteiroJanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PMNov 144:58 AMNov 144:58 AM5:55 PMJan 285:55 PMJan 28May 245:16 PMMay 245:16 PM5:43 AMJul 145:43 AMJul 14daynightSolarMidnightSolarMidnightSolarNoonSunriseSunsetNowNow
The solar day over the course of the year 2021. 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.

Moon

The figure below presents a compact representation of key lunar data for 2021. 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.

Moon Rise, Set & Phases in Monteiro

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.

Humidity

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.

Monteiro experiences extreme seasonal variation in the perceived humidity.

The muggier period of the year lasts for 6.3 months, from December 23 to July 2, during which time the comfort level is muggy, oppressive, or miserable at least 18% of the time. The muggiest day of the year is April 18, with muggy conditions 69% of the time.

The least muggy day of the year is September 26, with muggy conditions 1% of the time.

Humidity Comfort Levels in Monteiro

Humidity Comfort Levels in MonteiromuggyJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Sep 261%Sep 261%Apr 1869%Apr 1869%Dec 2318%Dec 2318%Jul 218%Jul 218%muggymuggyhumidhumidcomfortablecomfortabledrydryoppressiveoppressive
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.

Wind

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 Monteiro experiences significant seasonal variation over the course of the year.

The windier part of the year lasts for 6.6 months, from June 23 to January 10, with average wind speeds of more than 11.3 miles per hour. The windiest day of the year is October 11, with an average hourly wind speed of 13.9 miles per hour.

The calmer time of year lasts for 5.4 months, from January 10 to June 23. The calmest day of the year is April 2, with an average hourly wind speed of 8.8 miles per hour.

Average Wind Speed in Monteiro

Average Wind Speed in MonteirowindyJanFebMarAprMayJunJulAugSepOctNovDec0 mph0 mph2 mph2 mph4 mph4 mph6 mph6 mph8 mph8 mph10 mph10 mph12 mph12 mph14 mph14 mph16 mph16 mphOct 1113.9 mphOct 1113.9 mphApr 28.8 mphApr 28.8 mphJun 2311.3 mphJun 2311.3 mphJan 1011.3 mphJan 1011.3 mphNowNow
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The predominant average hourly wind direction in Monteiro is from the east throughout the year.

Wind Direction in Monteiro

Wind Direction in MonteiroJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%NowNoweastsouth
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).

Best Time of Year to Visit

To characterize how pleasant the weather is in Monteiro throughout the year, we compute two travel scores.

The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Based on this score, the best time of year to visit Monteiro for general outdoor tourist activities is from early June to early September, with a peak score in the third week of July.

Tourism Score in Monteiro

Tourism Score in Monteirobest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810107.67.64.44.4NowNowprecipitationprecipitationcloudscloudstemperaturetemperature tourism score
The tourism score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. Based on this score, the best time of year to visit Monteiro for hot-weather activities is from late May to early November, with a peak score in the third week of September.

Beach/Pool Score in Monteiro

Beach/Pool Score in Monteirobest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810107.37.35.65.6NowNowprecipitationprecipitationcloudscloudstemperaturetemperature beach/pool score
The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

Methodology

For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed.

Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies.

Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more.

Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter.

Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter.

Growing Season

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 Monteiro 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 Monteiro

Time Spent in Various Temperature Bands and the Growing Season in MonteiroJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%100%Jan 1100%Jan 1100%Jul 3100%Jul 3NowNowcoolcomfortablewarmhotsweltering
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.

Growing Degree Days in Monteiro

Growing Degree Days in MonteiroJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F1,000°F1,000°F2,000°F2,000°F3,000°F3,000°F4,000°F4,000°F5,000°F5,000°F6,000°F6,000°F7,000°F7,000°F8,000°F8,000°F9,000°F9,000°FJul 590°FJul 590°FAug 12900°FAug 12900°FSep 191,800°FSep 191,800°FJun 309,187°FJun 309,187°FNowNow
The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands.

Solar Energy

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 experiences some seasonal variation over the course of the year.

The brighter period of the year lasts for 3.0 months, from September 11 to December 11, with an average daily incident shortwave energy per square meter above 7.3 kWh. The brightest day of the year is October 22, with an average of 7.7 kWh.

The darker period of the year lasts for 3.0 months, from April 24 to July 25, with an average daily incident shortwave energy per square meter below 6.1 kWh. The darkest day of the year is June 22, with an average of 5.7 kWh.

Average Daily Incident Shortwave Solar Energy in Monteiro

Average Daily Incident Shortwave Solar Energy in MonteirobrightdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWhOct 227.7 kWhOct 227.7 kWhJun 225.7 kWhJun 225.7 kWhSep 117.3 kWhSep 117.3 kWhDec 117.3 kWhDec 117.3 kWhApr 246.1 kWhApr 246.1 kWhNowNow
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.

Topography

For the purposes of this report, the geographical coordinates of Monteiro are -7.889 deg latitude, -37.120 deg longitude, and 1,969 ft elevation.

The topography within 2 miles of Monteiro contains only modest variations in elevation, with a maximum elevation change of 476 feet and an average elevation above sea level of 2,024 feet. Within 10 miles contains only modest variations in elevation (1,132 feet). Within 50 miles contains very significant variations in elevation (2,969 feet).

The area within 2 miles of Monteiro is covered by shrubs (45%), trees (29%), and grassland (26%), within 10 miles by shrubs (46%) and trees (30%), and within 50 miles by shrubs (40%) and trees (32%).

Data Sources

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

Monteiro 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 Monteiro, 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 © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC.

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.