Climate and monthly weather forecast
Duque de Caxias, Brazil

As per Köppen climate classification, Duque de Caxias nestles in the Aw climate zone, commonly referred to as Tropical wet and dry or savanna. The city is favorably positioned in southeastern Brazil, characterized by a significantly warm temperature profile and discernible seasonal rainfall patterns.

Throughout the year, the city experiences a wide range in temperatures and daylight hours. The daylight span fluctuates from around 10.8 hours to 13.5 hours over a span of 12 months. The sea temperature dips to a minimum of 21.6°C (70.9°F) and peaks at a maximum of 25.8°C (78.4°F). This variance demonstrates the transition between seasons, impacting local weather elements in the process.

Certain months stand out for their distinctive weather patterns—usually impacted by rainfall or temperature. The sea remains warmest during March with a temperature of 25.8°C (78.4°F), while it cools down the most around September, dipping to 21.6°C (70.9°F). The longest days, with around 13.5 hours of daylight, are observable during December, while the shortest span of daylight, around 10.8 hours, traces to the month of June.

The ideal time for visitors to travel to Duque de Caxias would most likely be during the period when the weather is relatively stable and enjoyable, with mild temperatures and ample daylight. This period would usually span from late winter to early spring, when warm sea temperatures and longer daylight hours come together to create an inviting and comfortable climate.

Avoiding travel during the periods with limited daylight, cooler sea temperatures, and potentially adverse weather would be advisable. This period typically spans from late autumn to early winter. The grim weather conditions, coupled with shortened daylight hours, may pose limitations to outdoor activities, spiking up the potential for unpleasant experiences.

Spring exhibits the commencement of a gradual transition from cooler to warmer conditions in Duque de Caxias. Sea temperatures begin their ascent, moving from 22.3°C (72.1°F) in September up to 23.2°C (73.8°F) by November. An increase in daylight hours from 12 hours to 13.2 hours also marks this season.

In summer, Duque de Caxias experiences warm sea temperatures, peaking to their annual highest at 25.8°C (78.4°F) in March. Daylight hours increase, ensuring well-lit, longer days, enhancing the overall ambient feel and comfort for locals and visitors alike.

Autumn ushers in a cooling trend in Duque de Caxias. The sea temperature begins to fall, dropping from 25.4°C (77.7°F) in April to 22.7°C (72.9°F) by June. Concurrently, daylight hours decrease, signaling the onset of shorter days.

During winter, Duque de Caxias faces the coolest sea temperatures, bottoming out at 21.6°C (70.9°F) in August. The amount of daylight drops to its lowest point, as low as 10.8 hours in June, before slowly starting to ascend again, reaching 11.4 hours by August.

Weather in Duque de Caxias is warm and inviting in January, marking the height of the Brazilian summer. Sightseers enjoy the abundance of sunshine with temperatures maintaining their rhythm. This is followed by February, which generally shows a mild decline in temperature. Weather in January »

February pleaseantly carries forward the refreshing warmth from January. It's observed as another favorite month for holidaymakers, boasting balmy weather and clear skies. The city perceivably gets a fractional decrease in daylight hours from 13.3 hours to 12.9 hours in February. Weather in February »

March brings a transition into autumn, with the weather in Duque de Caxias subtly shifting. The sea remains warm and welcoming, however, with average temperatures measured at 25.8°C (78.4°F), a slight uptick from February's 25.3°C (77.5°F). Weather in March »

Duque de Caxias in April experiences a soothing ambiance as the city moves deeper into autumn. The temperature moderates further, leading to pleasantly warm day and cool nights. April's sea temperature averages at 25.4°C (77.7°F), showing a minor decline from March's peak of 25.8°C (78.4°F), while daylight hours are recorded at 11.6 hours. Weather in April »

May weather in Duque de Caxias reflects a more reserved charm as the season proceeds deeper into autumn. These months show a less forceful sun as daylight hours decline from 11.6 hours in April to 11 hours in May. The once warm sea begins cooling down more perceptibly and stands at 24.3°C (75.7°F), descending from April's 25.4°C (77.7°F). Weather in May »

June ushers in Duque de Caxias' winter, bringing in a noticeably cooler air mass. The sea, too, demonstrates this change, with temperatures averaging at 23.3°C (73.9°F), a significant drop from May's 24.3°C (75.7°F). Interestingly, daylight hours exhibit a mild increase, edging up to 10.8 hours from the previous’s 11 hours. Weather in June »

July in Duque de Caxias remains within the cozy clutches of winter. The sea observes lower temperatures, averaging at 22.1°C (71.8°F), coming down from June’s 23.3°C (73.9°F). Daylight hours take a small leap and reach 10.9 hours from the 10.8 hours recorded in June. Weather in July »

In August, Duque de Caxias’ winter begins knocking on autumn's door. A steady sea temperature, averaging at 22.3°C (72.1°F), makes swimming a fundamentally different experience from the summer months. An increase in daylight hours to 11.4 from the 10.9 seen in July, hints at the approaching spring. Weather in August »

September signals the onset of spring in Duque de Caxias. It marks a change in beach activities as sea temperatures start recording lower averages of 21.6°C (70.9°F), coming down from the higher 22.3°C (72.1°F) observed in August. Weather in September »

October magnifies the gracious charm of spring in Duque de Caxias. A significant leap in sea temperature to 22.7°C (72.9°F) from September's 21.6°C (70.9°F) brings a buoyant mood among beach-goers. Days are longer, with daylight averaging at 12.6 hours, as compared to September's 12 hours. Weather in October »

Duque de Caxias in November teeters on the verge of summer. The noticeable shift is reflected in the sea temperatures that increase from 22.7°C (72.9°F) in October to 23.2°C (73.8°F) in November. Daylight hours lengthen to 13.2 from October's 12.6, indicating a progressive inclining towards summer. Weather in November »

In December, Duque de Caxias indulges in the peak of summer. Daylight clocks at 13.5 hours, maxing out from the 13.2 hours recorded in November. Correspondingly, sea temperatures rise to their yearly climax of 24°C (75.2°F) from November’s 23.2°C (73.8°F). Weather in December »