June Weather in Oeiras, Brazil

Last updated: August 21, 2025

In June, Oeiras, Brazil experiences a warm climate characterized by an impressive maximum temperature reaching 37°C (98°F) and an average of 29°C (84°F), making it an inviting destination for sun-seekers. With a minimum temperature of 20°C (69°F), evenings remain pleasantly mild. Rainfall is minimal, with only 3 mm (0.1 in) recorded and no rain days, ensuring plenty of sunshine for outdoor activities. Coupled with a comfortable humidity level of 77%, June in Oeiras promises a delightful atmosphere for both locals and tourists alike.

June Temperature in Oeiras

In June, Oeiras, Brazil, experiences a delightful transition into winter with temperatures that reflect a balance between warmth and comfort. The month starts with a minimum temperature of 20°C (69°F), providing a pleasant respite from the hotter months. The average temperature hovers at a cozy 29°C (84°F), making outdoor activities enjoyable, while daytime highs can reach up to 37°C (98°F). This trend of warm temperatures continues from May and hints at the seasonal overlap, as June's climate remains inviting without losing the essence of the Brazilian winter. The city's consistent warmth in this period makes it an appealing destination for those seeking both sun and mild weather.

June Weather in Oeiras: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Oeiras, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oeiras, June typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec828181818383838688898684
Data source: Temperature data for Oeiras generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

June Precipitation in Oeiras

In June, Oeiras, Brazil experiences a notable shift in its precipitation patterns, receiving a mere 3 mm (0.1 in) of rain. This significant drop follows several months of heavier rainfall, particularly February, which recorded a staggering 217 mm (8.5 in) over 21 days. By June, the rains virtually cease, with no recorded precipitation days, marking the onset of a prolonged dry spell that extends through July and August. This trend illustrates a sharp contrast to the preceding wetter months, emphasizing the region's seasonal variability and setting the stage for the dry conditions that dominate late winter.

June Precipitation Trends in Oeiras

The chart displays monthly precipitation patterns in Oeiras, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Oeiras, June typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec8221715986133000205181
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

June Humidity in Oeiras

In June, Oeiras, Brazil, experiences a notable shift in humidity, with levels dropping to 77% from the previous month's 87%. This decline marks a transition into the drier months, as humidity steadily decreases through the remainder of the year. Following June, the patterns indicate a significant drop, with July and August showcasing even lower humidity levels of 66% and 58%, respectively. The trend highlights a gradual movement towards the dryer season, culminating in the crisp air of October, which sees humidity plummet to 45%. As June wraps up, it's clear that the region is stepping into a refreshing and more comfortable climate.

June Average Humidity in Oeiras

This chart illustrates the average monthly humidity levels in Oeiras, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Oeiras is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%91%93%92%87%77%66%58%51%45%41%67%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Oeiras

In June, Oeiras, Brazil, experiences a UV Index of 11, categorized as extreme with a burn time of just 10 minutes. This marks a slight decrease from the higher indices in March, which reached 15. Nonetheless, the sun's intensity remains a serious concern, following the trend of elevated UV levels from earlier months. As residents and visitors alike enjoy the Brazilian winter, it’s crucial to remain vigilant about sun protection, ensuring that outdoor activities are balanced with safety. For more information on UV levels throughout the year, check the detailed resource at Oeiras UV Index.

Maximum UV Index Levels in Oeiras for June

The chart shows the monthly maximum UV Index (UVI) for Oeiras in June, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In June, the maximum UV index in Oeiras typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141415141211111213131414
Data source: Oeiras June UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

June Sunshine in Oeiras

In Oeiras, Brazil, June continues the trend of abundant sunshine, with 325 hours of sunlight gracing the month. This figure is just slightly below the peak achieved in May, reflecting the region's ample luminosity as winter approaches. Interestingly, the sunshine steadily increases from January's 251 hours, culminating in a radiant August with an impressive 348 hours. This consistent upward trend demonstrates Oeiras' appeal for sun-seekers, ensuring that even as the year progresses, the days remain bright and inviting. As we transition from June into July, sunshine hours continue to rise, highlighting Oeiras as a sun-kissed destination throughout the year.

Monthly Sunshine Duration in Oeiras: June Highlighted

The June sunshine duration represents the total number of hours Oeiras experiences direct sunlight during the month of June, excluding cloudy or obstructed periods. This chart compares the sunshine duration of June with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec251h265h303h308h327h325h329h348h344h354h327h327h
Data source: Oeiras June Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Oeiras During June

As June unfolds in Oeiras, Brazil, the likelihood of sunny weather increases dramatically, reaching an impressive 71% chance of sunshine. This marks a significant rise from the previous months, where sunny days were less assured, with only 51% in May and a mere 34% in March. The trend continues into the peak of winter, with July and August showcasing even brighter prospects at 77% and 81%, respectively. This pattern reflects a gradual transition from the more overcast conditions of the earlier months, cultivating an inviting atmosphere for outdoor activities as summer approaches. With June offering such promising weather, it’s an ideal time to enjoy the natural beauty and outdoor festivities that Oeiras has to offer.

Percentage of Sunny Days in June in Oeiras

The chart illustrates the percentage of sunny days in Oeiras throughout the year, with June highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Oeiras experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%18%34%31%51%71%77%81%73%55%33%17%
Data source: Oeiras June chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Oeiras in June

In Oeiras, Brazil, the rhythm of daylight throughout the year reveals a fascinating consistency that stays remarkably steady. From January through March, the sun graces the region with a generous 12 hours of daylight, creating an ideal environment for outdoor activities and gatherings. As the months transition into April and May, daylight begins to gently dip to 11 hours, reflecting the subtle shift towards winter. This pattern of 11 hours of daylight persists through June, July, and August, adding a cozy charm to the cool winter months. However, by September, the days start to lengthen again, returning to 12 hours as the seasons transition back towards summer. This cyclical pattern creates a harmonious interplay of light and dark, enhancing the vibrant lifestyle that Oeiras is known for.

Average Daylight Hours in Oeiras for June

The chart illustrates the variation in daylight duration in Oeiras throughout the year, with June highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 27m12h 18m12h 7m11h 55m11h 46m11h 42m11h 44m11h 52m12h 3m12h 14m12h 25m12h 30m
Data source: Oeiras daylight hours, calculated by summing the hours between sunrise and sunset for each day.

June Winds in Oeiras

As June rolls into Oeiras, Brazil, the winds begin to pick up, showcasing a delightful upward trend in average wind speeds. Following a steady rise from 1.8 m/s (4 mph) in January, the winds pick up to a gentle 3.4 m/s (8 mph) by June, marking a notable increase from the previous month. This invigorating gustiness is a precursor to the even breezier months ahead, reaching 4.1 m/s (9 mph) in July and 4.6 m/s (10 mph) in August. The gradual transition from the calmer winds of early months to this energetic June breeze creates an exciting atmosphere, perfect for outdoor activities and enjoying the balmy Brazilian climate. As the year progresses, residents and visitors alike can look forward to these refreshing zephyrs that breathe life into the coastal scenery.

Average June Wind Speed in Oeiras

The chart displays monthly wind speed patterns in Oeiras, with values for each month shown alongside June's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how June's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.81.51.62.13.13.4 m/s4.14.63.52.31.71.8
Data source: Oeiras June wind data, generated using information from the Copernicus Climate Change Service.

How June Weather in Oeiras Compares to Other Months

Weather in Oeiras varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Oeiras, focusing on differences in temperature, rainfall, humidity, and UV levels.

In June, the weather typically features warmer temperatures, with minimums around 20°C (69°F) and averages peaking at 29°C (84°F), while highs can reach up to 37°C (98°F). The humidity is relatively high at 77%, but rain is scarce, with only 3 mm of precipitation recorded over no rainy days. In contrast, January presents a slightly cooler climate with minimum temperatures of 22°C (71°F) and average highs of 28°C (82°F), although the maximum temperature can soar to 39°C (103°F). January is much wetter, receiving about 82 mm (3.2 in) of rainfall over 14 days and reaching even higher humidity levels at 90%. For more details on January's weather, check out Oeiras weather in January.

June and February present quite contrasting weather patterns. In June, temperatures range from a minimum of 20°C (69°F) to a maximum of 37°C (98°F), with an average of 29°C (84°F). This month experiences very little rainfall, with only 3 mm (0.1 in) and no days of precipitation, coupled with a humidity level of 77%. Conversely, February features slightly warmer temperatures, with a minimum of 22°C (72°F) and an average of 27°C (81°F), topping out at 37°C (98°F). However, February is marked by significant rainfall, accumulating 217 mm (8.5 in) over 21 days, and higher humidity at 91%. For a detailed look at weather conditions in February, check out Oeiras weather in February.

When comparing the weather between March and June, notable differences emerge. March experiences a slightly higher minimum temperature of 21°C (70°F) and an average of 27°C (81°F), while June boasts a minimum of 20°C (69°F) and an average of 29°C (84°F). While June is characterized by dry conditions with only 3 mm of precipitation and no rainy days, March sees a significant amount of rainfall at 159 mm (6.3 in) over 22 days, contributing to higher humidity levels at 93% compared to June's 77%. For a detailed overview of March weather, you can visit Oeiras weather in March.

When comparing the weather in June and April, it's clear that June is generally hotter and significantly drier. In June, temperatures range from a minimum of 20°C (69°F) to a maximum of 37°C (98°F), with an average of 29°C (84°F). In stark contrast, April's temperatures range from 21°C (71°F) to 35°C (95°F), averaging 27°C (82°F). Additionally, June boasts no precipitation, while April experiences substantial rainfall, with 86 mm (3.4 in) over 14 days, leading to higher humidity at 92% compared to June's 77%. For a closer look at the specific conditions, you can refer to Oeiras weather in April.

In comparing the weather of June and May, both months share similar average temperatures, with June reaching a minimum of 20°C (69°F) and a maximum of 37°C (98°F), while May has a slightly higher minimum of 21°C (70°F). Surprisingly, despite the similar averages, June experiences significantly drier conditions, with only 3 mm (0.1 in) of precipitation and no rainy days, whereas May sees 13 mm (0.5 in) over three days. Additionally, the humidity in June is slightly lower at 77%, compared to May's 87%, making June feel a bit less oppressive. For more information about the weather in May, you can visit Oeiras weather in May.

In comparing June and July, we observe that temperatures remain relatively stable, with June experiencing a minimum of 20°C (69°F) and a maximum of 37°C (98°F), while July sees slightly higher minimums at 21°C (70°F) and peaks at 38°C (101°F). Both months share an average temperature of 29°C (84°F), yet July is drier, recording no precipitation compared to June’s minimal 3 mm. Additionally, humidity levels drop from June's 77% to July's 66%, suggesting a more comfortable feeling during the latter month. For more details on the weather in July, you can check Oeiras weather in July.

In June, the weather is warm with a minimum temperature of 20°C (69°F) and an average of 29°C (84°F), reaching a maximum of 37°C (98°F). The month experiences minimal precipitation, with just 3 mm (0.1 in) over 0 days, coupled with high humidity of 77%. In contrast, August is slightly hotter, with a minimum of 20°C (68°F), an average of 30°C (86°F), and a peak temperature of 38°C (101°F). Notably, August is drier, with no recorded precipitation and lower humidity at 58%. For more details, check out Oeiras weather in August.

June and September present contrasting weather patterns. In June, temperatures range from a minimum of 20°C (69°F) to a maximum of 37°C (98°F), with an average of 29°C (84°F). The month is characterized by high humidity at 77% but experiences minimal precipitation, averaging just 3 mm over no rainy days. In contrast, September sees slightly higher temperatures, with a minimum of 21°C (71°F) and a maximum that can reach 40°C (104°F), averaging 31°C (89°F). Remarkably, September has no recorded precipitation at all, resulting in a much drier atmosphere with only 51% humidity. For more detailed insights, you can check Oeiras weather in September.

June and October feature distinctly different weather patterns. In June, temperatures are typically milder, ranging from a minimum of 20°C (69°F) to an average of 29°C (84°F), with a maximum reaching 37°C (98°F). The month sees little to no precipitation, with humidity around 77%, creating a warm and relatively dry atmosphere. In contrast, October experiences slightly higher minimum and average temperatures, with a minimum of 23°C (74°F), an average of 32°C (90°F), and a maximum soaring to 40°C (104°F). October also brings some precipitation, totaling 20 mm (0.8 in) over 2 days, and lower humidity at 45%, leading to a drier heat. For a closer look at October weather specifics, check out Oeiras weather in October.

June and November present distinct contrasts in weather patterns. In June, temperatures range from a comfortable minimum of 20°C (69°F) to a warm average of 29°C (84°F), peaking at a scorching 37°C (98°F), with virtually no precipitation and high humidity at 77%. In contrast, November brings slightly warmer temperatures, with a minimum of 22°C (72°F) and an average of 30°C (86°F), reaching a maximum of 39°C (103°F). However, November is significantly wetter, experiencing a total precipitation of 51 mm (2.0 in) over six days, with humidity dropping to 41%. These variations create a markedly different climate experience during these two months. For more specific insights on this month, you can visit Oeiras weather in November.

In June, the weather is warm and relatively dry, with temperatures ranging from a minimum of 20°C (69°F) to a maximum of 37°C (98°F), and only 3 mm of precipitation across the month. The humidity is quite high at 77%, which can make the warmth feel more intense. In contrast, December experiences slightly higher minimum temperatures at 22°C (72°F) and can reach up to 39°C (102°F) at its warmest. However, December sees significantly more rainfall, totaling 81 mm (3.2 in) spread over 10 days, resulting in a notably lower humidity of 67%. For more details about the weather conditions during December, visit Oeiras weather in December.

Compare Oeiras's Climate with Cities Worldwide

Conclusion: What to Expect From June Weather in Oeiras

June in Oeiras showcases a remarkable shift in climate, with warm temperatures that create a pleasant atmosphere for outdoor activities. With virtually no rainfall this month, the skies remain clear and sunny, allowing residents and visitors alike to fully enjoy the average warmth without the interruption of precipitation. The increased humidity adds a touch of sultriness, making June distinctly more temperate compared to the hotter days of earlier months. This ideal weather makes Oeiras a delightful destination this time of year, perfect for exploring its natural beauty and vibrant culture. For more detailed information, check out Oeiras Climate.