Climate and monthly weather forecastWest Hartford, CT
Climate and monthly weather forecast
The climate of West Hartford
West Hartford is under the umbrella of the Dfa zone in the Köppen climate classification, also known as a humid continental climate with no dry season and a hot summer period. West Hartford is located in the northern hemisphere, specifically in Connecticut, USA, translating to a credible display of all four seasons.Temperature records from West Hartford exhibit a clear pattern, with January and February showing the lowest average low temperatures of 20.7°F (-6.3°C) and 21.6°F (-5.8°C) respectively. Contrastingly, July and August reign as the warmest months, with high average temperatures peaking at 82.9°F (28.3°C) and 80.8°F (27.1°C). The trend of the increasing temperature from winter to summer, and a subsequent decrease from summer to winter, is a characteristic of continental climates.
Concerning precipitation, rainfall is distributed fairly evenly throughout the year, with an average rainfall inch count ranging from 2.05" (52mm) to 3.19" (81mm). Notably, October reports the highest rainfall at 3.11" (79mm), while May sees the maximum rainfall days at 17.8. Most months record, ranging between nine and 18 rainfall days, further emphasizing the humid nature of West Hartford's weather.
West Hartford embraces all seasons, exhibiting apparent climate changes throughout the year, including snowfall. Indeed, frequent snowfall days are registered in winter months from December to February.
The best time to visit West Hartford
Taking into account the climatological variables, including temperature, rainfall, and daylight hours, May to September are considered the most inviting months to visit West Hartford. During this time, daylight hours are the longest, with peak daylight time reaching up to 15.2 hours in June. Correspondingly, the sunshine hours are also at a maximum, from 8.5 hours to 10.4 hours daily.In addition, moderate temperatures, ranging from 56.5°F (13.6°C) to 82.9°F (28.3°C), provide comfortable conditions for various outdoor activities. While rainfall does occur, the relative frequency of rainfall days is not particularly high, signifying mostly clear weather during these months.
The worst time to visit West Hartford
December and January could be challenging months for visiting West Hartford, primarily due to their low temperatures, falling below the freezing mark with the minimum average temperature dropping to 20.7°F (-6.3°C) and 21.6°F (-5.8°C) respectively. With shorter daylight hours, 9.2 hours and 9.6 hours per day, and higher cloud coverage, the weather can be quite bleak. Moreover, these months witness a significant amount of snowfall, averaging around 3.43 and 2.44" (62mm), adding to the challenge of outdoor exploration.Spring weather in West Hartford
Spring in West Hartford begins in March and lasts until May. Temperatures begin to rise from the winter lows, with the range going from 29.5°F (-1.4°C) to 49.5°F (9.7°C). By May, the average temperature shifts suggestively, with highs reaching 68.5°F (20.3°C). The daylight hours also start to extend, highlighting the transition from winter to summer. Spring, however, is characterized by increased precipitation with May registering the highest rainfall days, approximately 17.8 days, and a considerable amount of rain, 2.6" (66mm) on average.Summer weather in West Hartford
June marks the advent of summer, which lasts until August. During this time, West Hartford experiences its warmest temperatures, from 76.3°F (24.6°C) to 80.8°F (27.1°C). Additionally, summers in West Hartford are quite sunny, with 15.2 average daylight hours in June, and 9.4 to 10.4 average sunshine hours. Despite the slight increase in humidity, these attributes make the summer months an enjoyable time in West Hartford.Autumn weather in West Hartford
Transitioning away from the heat of summer, September welcomes the onset of fall. Monthly average temperatures start to fall, from 73.4°F (23°C) in September to a cooler 48.7°F (9.3°C) in November. Unlike spring, precipitation patterns are not very prominent during this period. Still, October registers the largest amount of rainfall, with an average of 3.11" (79mm) spreading out over 14.7 days.Winter weather in West Hartford
Winter in West Hartford, beginning in December and lasting till February, is marked by its freezing temperatures and snowfall. Monthly average temperatures can go as low as 20.7°F (-6.3°C), with high temperatures rarely exceeding 38.3°F (3.5°C). Snowfall during these months can reach up to 4.8" (122mm) in February, making winter a prevalent season for snow enthusiasts. However, daylight and sunshine hours reduce, averaging between 9.2 to 10.6 hours of daylight and 4.8 to 5 hours of sunshine. This decrease in sunlight, coupled with the coldest temperatures, signifies the classic winter characteristics of West Hartford.Weather in January
A typical start to the year in West Hartford, Connecticut, is characterized by a cool, slightly humid climate. The city faces the chill of winter, with temperatures dropping to as low as 20.7°F (-6.3°C). The days are short and dynamics between daylight and sunshine hours indicate an overcast environment. Weather in January »Weather in February
February maintains a wintry vibe, although it is slightly warmer than January with the temperature high reaching up to 35.8°F (2.1°C). The winter sun peeks a little longer through the day when compared to the previous month. Weather in February »Weather in March
March, a threshold between winter and spring, brings along an increase in temperatures and daylight hours. The temperature high gradually escalates from the mid-30s to 43.9°F (6.6°C). The city experiences more rainfall, with the snowfall quantity decreasing noticeably. Weather in March »Weather in April
April witnesses a pronounced spring climate, a pleasant departure from the wintry feeling of the preceding months. A noticeable increase in temperature, going up to 56.5°F (13.6°C), brings warmth to West Hartford. Rainfall becomes a more common phenomenon, replenishing the water table and aiding springtime bloom. Weather in April »Weather in May
May ushers in a transition phase from pleasant spring to impending summer, with the high temperature touching 68.5°F (20.3°C). Days start to lengthen, and the humidity sees a small rise compared to April. Precipitations occur dominantly as rainfall, with snow practically disappearing. Weather in May »Weather in June
The arrival of June hails the official beginning of summer in West Hartford. The temperature climbs higher, with the average high reaching 76.3°F (24.6°C). The daylight hours extend further, allowing plenty of outdoor activities. With no signs of snow, rain showers often provide a welcome respite from the ever-increasing heat. Weather in June »Weather in July
July, the apex of the summer season, experiences the highest temperatures of the year, hitting a blistering 82.9°F (28.3°C). The dust and moisture cause apparent haziness, reducing visibility during some parts of the day. Yet, the longer daylight duration and ample sunshine somewhat balance this out. Weather in July »Weather in August
August bears some resemblance to July weather-wise but showcases a small dip in temperature, the highest being 80.8°F (27.1°C). The summer continues its reign with ample sunshine and elevated UV index levels. Rainfall persists, albeit in lesser quantity, and the overall atmosphere remains humid and warm. Weather in August »Weather in September
September ushers in the start of autumn in West Hartford, reducing temperatures to an average high value of 73.4°F (23°C). The number of daylight hours starts to dwindle, giving way to longer nights. Showers continue to grace the city, ensuring a certain degree of humidity. Weather in September »Weather in October
October, in the heart of fall, brought down the average temperature to 60.8°F (16°C). The city witnesses the shortest daylight hours since the onset of spring, even as rains continue. While the wind speed picks up slightly from September, snowfall remains notably absent. Weather in October »Weather in November
As November rolls in, signs of winter begin to emerge distinctly with the temperature dropping to 48.7°F (9.3°C). The rainy days outnumber those of October, and the first traces of snowfall make an appearance. Daylight hours contract further, yielding to longer, chilly nights. Weather in November »Weather in December
December, concluding the year in West Hartford, conjures a striking winter scene with temperature lows touching 27.7°F (-2.4°C). The month sees less sunlight than previous months, with shorter daylight hours and a drop in the UV Index. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
West Hartford, CT
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (32.7°F).
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure
West Hartford, CT
- Average pressure in January:
30.03"Hg - Average pressure in February:
30.01"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.05"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
West Hartford, CT
- Average wind speed in January:
8.2mph - Average wind speed in February:
8mph - Average wind speed in March:
8.1mph - Average wind speed in April:
7.8mph - Average wind speed in May:
6.5mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.3mph - Average wind speed in September:
5.8mph - Average wind speed in October:
6.9mph - Average wind speed in November:
7.4mph - Average wind speed in December:
7.8mph
The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity
West Hartford, CT
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (70%).
Average rainfall
West Hartford, CT
- Average rainfall in January:
2.17" - Average rainfall in February:
2.24" - Average rainfall in March:
2.52" - Average rainfall in April:
2.76" - Average rainfall in May:
2.6" - Average rainfall in June:
2.87"
- Average rainfall in July:
2.99" - Average rainfall in August:
2.76" - Average rainfall in September:
2.05" - Average rainfall in October:
3.11" - Average rainfall in November:
2.72" - Average rainfall in December:
3.19"
The wettest month (with the highest rainfall) is December (3.19").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days
West Hartford, CT
- Average rainfall days in January:
9 days - Average rainfall days in February:
9.4 days - Average rainfall days in March:
12.2 days - Average rainfall days in April:
15.1 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
17.5 days
- Average rainfall days in July:
18 days - Average rainfall days in August:
17.3 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
14.7 days - Average rainfall days in November:
10.8 days - Average rainfall days in December:
11.5 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is January (9 days).
Average snowfall
West Hartford, CT
- Average snowfall in January:
3.43" - Average snowfall in February:
4.8" - Average snowfall in March:
3.54" - Average snowfall in April:
0.63" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is February (4.8").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
West Hartford, CT
- Average snowfall days in January:
7.3 days - Average snowfall days in February:
8.3 days - Average snowfall days in March:
6.5 days - Average snowfall days in April:
0.9 days - Average snowfall days in May:
0.2 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
5.4 days
The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
West Hartford, CT
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 12min - Average sunshine in April:
8h and 18min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 24min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 24min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 48min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days
West Hartford, CT
- Average sunshine days in January:
17.5 days - Average sunshine days in February:
13.3 days - Average sunshine days in March:
14 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
10.7 days - Average sunshine days in June:
10.4 days
- Average sunshine days in July:
11 days - Average sunshine days in August:
10.8 days - Average sunshine days in September:
14.2 days - Average sunshine days in October:
14.3 days - Average sunshine days in November:
16.9 days - Average sunshine days in December:
15.4 days
The month with the most sunshine days is January (17.5 days).
The month with the least sunshine days is June (10.4 days).
Average UV index
West Hartford, CT
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
West Hartford, CT
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility
West Hartford, CT
The months with the highest visibility are January, March, April, June, August, October, November and December (6mi).
The months with the lowest visibility are February, May, July and September (5mi).





