Summer Weather in Ubaitaba Brazil

Daily high temperatures are around 86°F, rarely falling below 80°F or exceeding 91°F.

Daily low temperatures are around 72°F, rarely falling below 69°F or exceeding 75°F. The highest daily average low temperature is 73°F on January 14.

For reference, on March 8, the hottest day of the year, temperatures in Ubaitaba typically range from 72°F to 87°F, while on July 31, the coldest day of the year, they range from 65°F to 79°F.

The figure below shows you a compact characterization of the hourly average summer 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.

Havana, Cuba (3,899 miles away); Salsipuedes, Dominican Republic (3,148 miles); and Nagtipunan, Philippines (11,171 miles) are the far-away foreign places with temperatures most similar to Ubaitaba (view comparison).

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The summer in Ubaitaba experiences very rapidly decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 71% to 55%. The highest chance of overcast or mostly cloudy conditions is 71% on December 2. The lowest chance of overcast or mostly cloudy conditions is 51% on February 13.

The clearest day of the summer is February 13, with clear, mostly clear, or partly cloudy conditions 49% of the time.

For reference, on November 30, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 71%, while on September 8, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 76%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Ubaitaba, the chance of a wet day over the course of the summer is gradually increasing, starting the season at 37% and ending it at 40%.

For reference, the year's highest daily chance of a wet day is 43% on March 31, and its lowest chance is 21% on September 27.

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 summer in Ubaitaba is rapidly decreasing, starting the season at 4.1 inches, when it rarely exceeds 7.8 inches or falls below 0.5 inches, and ending the season at 3.0 inches, when it rarely exceeds 6.1 inches or falls below 0.7 inches.

The lowest average 31-day accumulation is 2.7 inches on January 24.

Over the course of the summer in Ubaitaba, the length of the day is decreasing. From the start to the end of the season, the length of the day decreases by 32 minutes, implying an average daily decrease of 22 seconds, and weekly decrease of 2 minutes, 32 seconds.

The shortest day of the summer is February 28, with 12 hours, 23 minutes of daylight and the longest day is December 20, with 12 hours, 59 minutes of daylight.

The earliest sunrise of the summer in Ubaitaba is 4:59 AM on December 1 and the latest sunrise is 39 minutes later at 5:38 AM on February 28.

The earliest sunset is 5:54 PM on December 1 and the latest sunset is 19 minutes later at 6:13 PM on January 22.

Daylight saving time is not observed in Ubaitaba during 2024.

For reference, on December 21, the longest day of the year, the Sun rises at 5:06 AM and sets 12 hours, 59 minutes later, at 6:04 PM, while on June 20, the shortest day of the year, it rises at 6:00 AM and sets 11 hours, 17 minutes later, at 5:17 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.

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

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 Ubaitaba is essentially constant during the summer, remaining around 100% throughout.

For reference, on February 27, the muggiest day of the year, there are muggy conditions 100% of the time, while on August 8, the least muggy day of the year, there are muggy conditions 71% of the time.

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 Ubaitaba is essentially constant during the summer, remaining within 0.1 miles per hour of 4.0 miles per hour throughout.

For reference, on October 18, the windiest day of the year, the daily average wind speed is 4.4 miles per hour, while on April 2, the calmest day of the year, the daily average wind speed is 3.7 miles per hour.

The hourly average wind direction in Ubaitaba throughout the summer is predominantly from the east, with a peak proportion of 91% on February 12.

Ubaitaba 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 Ubaitaba is gradually increasing during the summer, rising by 3°F, from 80°F to 83°F, over the course of the 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 Ubaitaba 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 Ubaitaba are very rapidly increasing during the summer, increasing by 2,578°F, from 3,726°F to 6,304°F, over the course of the season.

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 Ubaitaba is essentially constant during the summer, remaining within 0.2 kWh of 6.8 kWh throughout.

The highest average daily incident shortwave solar energy during the summer is 7.0 kWh on January 29.

For the purposes of this report, the geographical coordinates of Ubaitaba are -14.312 deg latitude, -39.323 deg longitude, and 154 ft elevation.

The topography within 2 miles of Ubaitaba contains significant variations in elevation, with a maximum elevation change of 705 feet and an average elevation above sea level of 301 feet. Within 10 miles contains significant variations in elevation (1,965 feet). Within 50 miles contains very significant variations in elevation (3,468 feet).

The area within 2 miles of Ubaitaba is covered by trees (65%), shrubs (16%), and grassland (12%), within 10 miles by trees (76%), and within 50 miles by trees (45%) and water (29%).