The climate of Old Greenwich
Nestled in the heart of
Connecticut, USA,
Old Greenwich has a Humid subtropical climate, without a dry season, indicated by its Köppen climate classification of Cfa. Falling within the temperate zone, it experiences four distinct seasons. An annual overview suggests an average high temperature ranging from 36°F (2.2°C) to 81.9°F (27.7°C) and an average low varying between 26.2°F (-3.2°C) to 69.3°F (20.7°C). The coldest temperatures occur in
January and
February, while the warmest months typically are
July and
August.
Throughout the year, the relative humidity remains fairly consistent, oscillating between 71% and 75%. Rainfall is frequent in Old Greenwich, with monthly averages varying from 2.44" (62mm) to 4.13" (105mm). The most significant rainfall occurs in July, while February sees the least. Snow is predominantly a winter phenomenon, with an average snowfall ranging from 0.08" (2mm) to 2.6" (66mm) in winter months.
Sea temperatures are frequently most agreeable from
June to
September, rising from an average of 41.6°F (5.3°C) in January to a comfortable 73.1°F (22.8°C) in August. While daylight varies from 9.6 hours in January to 15.1 hours in June. Overall, Old Greenwich has mildly variable weather throughout the year, offering unique experiences in each season.
The best time to visit Old Greenwich
Considering the distinctive seasonal weather patterns, the best time to visit
Old Greenwich largely depends on the activities one wishes to partake in. For those interested in beach activities,
June to
August would be ideal when the sea temperature averages between 63°F (17.2°C) and 73.1°F (22.8°C). The climate is relatively warm during these months, with an average high temperature ranging from 74.7°F (23.7°C) to 81.9°F (27.7°C).
If outdoor exploration is the key agenda,
September and
October offer pleasant weather, with an average high temperature from 73.2°F (22.9°C) to 62.4°F (16.9°C), and reduced rainfall as compared to the summer months. Additionally, this period benefits from comparatively lower humidity levels, offering comfortable conditions for hiking or sightseeing.
The worst time to visit Old Greenwich
Despite the charm of winter wonderlands,
January and
February might not be the best months to visit
Old Greenwich. The temperatures during these months can drop below freezing, with an average low from 26.2°F (-3.2°C) to 27.7°F (-2.4°C). Moreover, the average snowfall in these months can reach up to 2.6" (66mm), which can cause roadblocks and hinder travel plans. This, combined with reduced daylight hours could make these months less appealing to some.
Spring weather in Old Greenwich
Spring, falling between
March and
May, welcomes the onset of warmer weather. Average high temperatures rise gradually from 45°F (7.2°C) to 65.8°F (18.8°C), while low temperatures hover between 34.2°F (1.2°C) and 53.2°F (11.8°C). Rainfall levels increase during this season, peaking in May with an average of 3.11" (79mm), and associated increase in humidity.
Summer weather in Old Greenwich
June through
August denotes the summer season in
Old Greenwich. With an average high temperature between 74.7°F (23.7°C) and 81.9°F (27.7°C), the climate is comfortably warm. Rainfall is at its peak during these months, particularly in
July where it can reach 4.13" (105mm).
Autumn weather in Old Greenwich
The transition from summer to winter, the autumn season between
September and
November, conditions in
Old Greenwich become more pleasant. With an average high temperature receding from 73.2°F (22.9°C) to 50.9°F (10.5°C) and an average low from 61.7°F (16.5°C) to 40.8°F (4.9°C), the climate is comparatively cooler. Rainfall also decreases during this period, averaging between 2.68" (68mm) and 3.46" (88mm).
Winter weather in Old Greenwich
December to
February marks the winter in
Old Greenwich. The average high temperature drops significantly during these months, ranging between 36°F (2.2°C) and 45°F (7.2°C). While the average low runs from 26.2°F (-3.2°C) to 34.2°F (1.2°C). Snowfall is highest in these months, reaching up to 2.6" (66mm) in
January and February. Consequently, temperatures decrease to create a chilly climate, thus it would only appeal to those who appreciate colder weather.
Weather in January
In
Old Greenwich,
January is the month to bundle up, with temperatures dropping to the lowest degree of the year. Despite the long nights and cold weather, the heavily saturated air creates a unique aesthetic. Bitter winds blowing at 10mph (16.1km/h) can make the temperature feel even colder than it actually is.
Weather in January »Weather in February
The weather variations from
January to
February in
Old Greenwich are minimal, with average low and high temperatures hovering around the freezing point, and rainfall amounting to 2.48" (63mm). However, the sightings of snow tend to increase, creating a lovely winter atmosphere.
Weather in February »Weather in March
As
Old Greenwich moves into
March, the air becomes crisper, and the days longer. The intensity of the sun's rays increases, resulting in slightly higher temperatures. The winter snow reduces gradually by this time, yet occasional flurries are not uncommon.
Weather in March »
Weather in April
April weather in
Old Greenwich displays the unique charm of spring, with a massive temperature rise from 45°F (7.2°C) to 55.4°F (13°C). The skies seem to cry more often with the most rainfall in months at 3.15" (80mm), nurturing the budding plants.
Weather in April » Weather in May
Old Greenwich revels in the heart of spring throughout
May. The weather further warms up, and the nature bursts into a riot of colors, courtesy of the longer days and ample sunshine. Visually, it is a beautiful month as everything seems fresh and lively, becoming a favorite time for photographers and nature lovers.
Weather in May » Weather in June
June marks the onset of summer in
Old Greenwich, offering long, warm days that encourage outdoor activities. The radiant sunshine and low wind speed create a perfect blend for beach-goers. While the weather remains relatively dry, occasional breeze from the seas adds a refreshing touch to the otherwise warm climate.
Weather in June »
Weather in July
July, the height of summer in
Old Greenwich, comes with some of the highest temperatures approaching 81.9°F (27.7°C)-and high humidity levels from 73% to 75%. Despite the heat, the city comes alive with residents flocking to beaches, thanks to the sea temperature reaching a comfortable 70.9°F (21.6°C).
Weather in July » Weather in August
The weather in
August is reminiscent of
July, with high temperatures lingering in
Old Greenwich. The sea temperature peaks at a comfortable 73.1°F (22.8°C), continuing to draw beachgoers. An undeniable benefit of summer is the long daylight hours, which maximize outdoor activities potential.
Weather in August »Weather in September
September in
Old Greenwich signals the transition from warm summer to mild fall, with temperatures beginning to decrease slowly. The rainfall is comparatively lower at 2.68" (68mm), making room for clear skies and a refreshing breeze.
Weather in September »
Weather in October
October takes
Old Greenwich through the heart of fall, with noticeable changes in temperature and foliage. The cooler climate encourages residents to embrace the warmth of indoor activities, although the daylight hours remain ample for enjoying the increasingly colorful outdoors.
Weather in October » Weather in November
As
November rolls in,
Old Greenwich begins to brace itself for the nearing winter. A significant drop in temperature, leading to a chilling low of 40.8°F (4.9°C), is a standard characteristic of Old Greenwich's November climate.
Weather in November »Weather in December
Old Greenwich, in
December, witnesses the return of winter, and with it colder temperatures and short days. By now, the impressive fall foliage has given way to a more monochromatic winter scene. Even though the temperatures continue to drop, the climate remains lively leading up to the winter holidays.
Weather in December »