Climate and monthly weather forecast
Bronx County, NY

Sheltered within the state of New York, USA, Bronx County showcases a Humid Subtropical climate, with a Köppen climate classification of Cfa. Absence of dry season and consistent humidity are the defining traits of this classification embossed further by the geographical continuity with the Hudson River and the Atlantic Ocean.

Throughout the year, the weather in Bronx County is exemplified by moderate fluctuations in the climatological parameters. Monthly average sea temperature ranges from 39.9°F (4.4°C) in February to a summer high of 74.1°F (23.4°C) in August. The extent of daylight also varies, starting from 9.3 hours in December to a peak of 15.1 hours in the month of June, clarifying the day-night cycle relentlessness.

Conclusively, the annual weather follows a standard pattern with distinct seasons and moderate variations. Hot summers, mild winters, and significant precipitation throughout the year grant the county its specific climatic signature. Extremes in weather, notably in the sea temperature, mark the transition between different seasons.

Visitors planning to travel to Bronx County might consider the period between May and October to be the most favorable time for their visit. During these months, sea temperatures climb from 54.1°F (12.3°C) in May to a peak of 74.1°F (23.4°C) in August, subsequently decreasing to a comfortable 63.7°F (17.6°C) in October. The warm waters coupled with long daylight hours ranging from 13.3 hours in May to 14.8 hours in July provide ample time and ideal conditions for outdoor activities and sightseeing.

Travelers might find the initial months of the year, particularly from January to March, less appealing due to cooler climatic conditions. Sea temperatures during these months hover from 42.4°F (5.8°C) in January to 40.7°F (4.8°C) in March and daylight hours fluctuate between 9.6 hours and 12 hours, limiting outdoor activities and exploration times.

Spring in Bronx County spans between March and May, with transitioning weather conditions. With sea temperatures warming up from 40.7°F (4.8°C) in March to 54.1°F (12.3°C) in May, Bronx County springs into a phase of rejuvenation. Additionally, daylight hours get a boost during the spring months, increasing from 12 hours in March to 14.5 hours in May.

June marks the onset of summer in Bronx County and it eases off by August. During these summer months, sea temperatures ascend from 64.9°F (18.3°C) in June to 74.1°F (23.4°C) in August, providing warm waters for swimming and water sports. Furthermore, daylight extends to a peak of 15.1 hours in June, offering the longest days of the year.

Autumn in Bronx County transpires between September and November. Temperatures of the sea descend from 70.1°F (21.2°C) in September to 48.1°F (8.9°C) in November, indicating the annual fall cooldown. Daylight hours also reduce from 12.5 hours in September to 9.9 hours in November.

The winter season in Bronx County spreads from December through February. This season witnesses the cool sea temperatures, dropping from 48.1°F (8.9°C) in December to 39.9°F (4.4°C) in February. Correspondingly, daylight hours limit to the shortest of the year, with 9.3 hours in December and extending slightly to 10.7 hours in February.

January in Bronx County, New York, greets locals and visitors alike with its chilly temperatures. The sea temperature dips to its lowest level at 39.9°F (4.4°C), making it the coldest month of the year. The crisp, cold air is typical of a northern winter, with residents bundled up against the frosty conditions present during this time. Weather in January »

As the calendar turns towards February, the weather conditions in Bronx County, New York, show slight improvements from the previous month. The sea temperature marginally increases, emerging from the depths of winter cold at 40.7°F (4.8°C). Weather in February »

Transition is in the air when March arrives in Bronx County, New York, indicating the onset of spring. The sea temperature experiences a noticeable increase, offering a reprieve from winter's icy clutch at 46°F (7.8°C). The weather is capricious at this stage: cold, brisk air from winter often mingles with the warmer, softer breezes of spring. Weather in March »

April in Bronx County New York truly marks the arrival of spring with the progression of warmer conditions. With an approximate increase in sea temperature by 8.1°F (-13.3°C) from the previous month, reaching 54.1°F (12.3°C), the cold winter sea begins to thaw. Weather in April »

May marks the onset of early summer in Bronx County, New York, with temperatures rising steadily. The sea now offers a more welcoming temperature for activities such as sailing or boating. Sunshine abundantly blesses the county with longer daylight hours, making sunset viewing a favorite pastime among locals and tourists. Weather in May »

June shines brightly in Bronx County, New York, exhibiting characteristics of an ideal summer month. The sea temperature reaches 64.9°F (18.3°C), a milestone indicating the arrival of beach-friendly weather. The air thrums with heat, gently coaxing residents to seek solace in the sea, parks, and pools. Weather in June »

July stands as the peak summer month in Bronx County, New York, boasting both the warmest sea temperature at 72.1°F (22.3°C) and the longest daylight hours. The energy of summer pervades the air, with increased outdoor activities owing to the favorable weather conditions. Weather in July »

August, the closing month of summer in Bronx County, New York, continues to sustain high sea temperatures. The heat lingers, even though the sea temperature dips slightly compared to the previous month. The end of a vibrant summer season is near, but the weather still allows for outdoor recreation and relaxation. Weather in August »

September in Bronx County, New York, ushers in the long-awaited respite from summer's intense heat. The sea temperature reduces to a moderate 70.1°F (21.2°C), portending the return of the cool season. The air starts to abstain from the summer heat, favoring a more temperate, comfortable climate. Weather in September »

October manifests prominent autumn characteristics in Bronx County, New York. A significant shift can be observed in the sea temperature, decreasing substantially from the September highs. The weather exhibits a shift toward cooler temperatures, causing the leaves to exhibit vibrant hues of red, orange, and gold. Weather in October »

November in Bronx County, New York, marks the advent of winter. A significant drop in sea temperature to 55°F (12.8°C) suggests the rapid approach of frosty conditions. The pleasantly cool temperatures of autumn evolve into bracing, chilly conditions, prompting warm clothing and heated homes. Weather in November »

December brings the full thrust of winter to Bronx County, New York. The sea temperature drops further to 48.1°F (8.9°C), the second coldest month after January. Cold air permeates the county and forms a thick frost, a sure indication of winter’s dominance. Weather in December »