Bethany, a charming town located in New Haven County, Connecticut, is known for its beautiful rural landscapes, historic homes, and vibrant community. Situated in the southwestern part of the state, Bethany is bordered by Woodbridge, Hamden, and Naugatuck State Forest. With a population of around 5,500 residents, Bethany offers a tranquil suburban lifestyle while being conveniently close to major cities like New Haven and Bridgeport. The town’s rich history, natural beauty, and tight-knit community make it an ideal place to live and visit.
Climate and Weather Overview
Bethany experiences a humid continental climate, characterized by four distinct seasons. Summers are warm and humid, while winters are cold and snowy. The town receives ample precipitation throughout the year, with snowfall common during the winter months. Spring and fall bring mild temperatures and colorful foliage, making them popular seasons for outdoor activities. Overall, Bethany’s climate offers a diverse range of weather conditions throughout the year, providing residents and visitors with opportunities to enjoy a variety of seasonal activities.
Average Monthly Climate Data
Below is a table detailing the average temperature, precipitation, and sunny days for each month in Bethany:
| Month | Average Temperature (°F) | Precipitation (inches) | Sunny Days |
| January | 33 | 3.66 | 10 |
| February | 35 | 3.27 | 11 |
| March | 44 | 4.28 | 12 |
| April | 55 | 4.33 | 13 |
| May | 66 | 4.54 | 15 |
| June | 75 | 4.09 | 15 |
| July | 80 | 4.48 | 16 |
| August | 78 | 4.29 | 16 |
| September | 71 | 4.12 | 14 |
| October | 60 | 3.90 | 13 |
| November | 50 | 3.91 | 11 |
| December | 38 | 3.90 | 10 |
Weather by Month
January
January in Bethany is typically cold and snowy, with average temperatures around 33°F. Snowfall is common, with an average precipitation of 3.66 inches. Sunny days are limited, with only around 10 days of sunshine. Despite the cold weather, residents can enjoy outdoor activities such as skiing, snowboarding, and ice skating at nearby winter resorts.
Recommended Activities: Skiing and snowboarding at nearby resorts, ice skating at local rinks, cozying up by the fireplace with a book.
February
February continues the cold and snowy weather pattern in Bethany, with average temperatures around 35°F. Snowfall remains common, with an average precipitation of 3.27 inches. Sunny days increase slightly to around 11 days, providing opportunities for outdoor activities such as snowshoeing, sledding, and winter hiking.
Recommended Activities: Snowshoeing in local parks, sledding on nearby hills, attending indoor events and activities.
March
March marks the transition to spring in Bethany, with milder temperatures and occasional rain showers. Average highs reach around 44°F, with precipitation increasing to 4.28 inches. Sunny days also increase to around 12, providing opportunities for outdoor activities such as hiking, birdwatching, and early spring gardening.
Recommended Activities: Hiking in local parks, birdwatching at nearby birding hotspots, starting early spring gardening.
April
April brings milder temperatures and blooming flowers to Bethany, making it an ideal time to explore the outdoors. Average highs reach around 55°F, with precipitation continuing at 4.33 inches. Sunny days increase to around 13, providing ample opportunities for outdoor activities such as hiking, biking, and picnicking in local parks.
Recommended Activities: Exploring local hiking trails, biking along scenic routes, picnicking in parks.
May
May in Bethany brings warmer temperatures and longer days, making it a popular time for outdoor activities. Average highs reach around 66°F, with precipitation increasing slightly to 4.54 inches. Sunny days peak at around 15, providing ideal conditions for hiking, biking, and exploring the town’s scenic countryside.
Recommended Activities: Hiking in local nature reserves, biking along scenic trails, exploring local parks and gardens.
June
June marks the beginning of summer in Bethany, with warm temperatures and plenty of sunshine. Average highs reach around 75°F, with precipitation decreasing slightly to 4.09 inches. Sunny days continue to dominate, providing ideal conditions for outdoor activities such as swimming, hiking, and picnicking in local parks.
Recommended Activities: Swimming in local lakes and rivers, hiking in shaded areas, attending outdoor concerts and events.
July
July brings the peak of summer heat to Bethany, with temperatures reaching their highest levels of the year. Average highs hover around 80°F, with precipitation averaging 4.48 inches. Sunny days continue to dominate, providing ideal conditions for outdoor activities such as swimming, hiking, and picnicking. Residents and visitors can also enjoy activities such as visiting nearby water parks, exploring local trails, and attending outdoor concerts and events.
Recommended Activities: Early morning outdoor activities, visiting water parks, attending evening concerts and events.
August
August continues the hot and humid weather pattern in Bethany, with temperatures remaining elevated throughout the month. Average highs reach around 78°F, with precipitation averaging 4.29 inches. Sunny days continue to dominate, providing ideal conditions for outdoor activities such as swimming, hiking, and picnicking. Residents and visitors can also enjoy activities such as visiting nearby lakes and rivers, exploring local parks, and attending outdoor festivals and events.
Recommended Activities: Early morning or late evening outdoor activities, visiting shaded parks and gardens, attending outdoor festivals and events.
September
September brings the transition to fall in Bethany, with slightly cooler temperatures and changing foliage. Average highs reach around 71°F, providing relief from the summer heat. Precipitation increases slightly to 4.12 inches, with occasional rain showers. Sunny days begin to decrease, but outdoor activities such as hiking, birdwatching, and exploring the town’s scenic trails and overlooks are still popular among residents and visitors.
Recommended Activities: Hiking in cooler temperatures, birdwatching in local parks, exploring scenic viewpoints.
October
October brings cooler temperatures and the vibrant colors of fall foliage to Bethany, making it a beautiful time to explore the outdoors. Average highs dip into the mid-60s°F, with cooler evenings perfect for outdoor dining and stargazing. Precipitation increases to 3.90 inches, with occasional rain showers enhancing the fall colors. Residents and visitors can enjoy activities such as leaf-peeping drives, hiking in scenic areas, and attending local harvest festivals.
Recommended Activities: Leaf-peeping drives along scenic routes, hiking in nature reserves, attending harvest festivals.
November
November brings cooler temperatures and the first signs of winter to Bethany, with residents preparing for the holiday season ahead. Average highs drop into the low 50s°F, with cooler evenings perfect for cozying up by the fire. Precipitation averages 3.91 inches, with occasional rain showers becoming more frequent than in previous months. Indoor activities such as visiting museums, attending cultural events, and shopping for holiday gifts become popular as residents seek refuge from the colder weather.
Recommended Activities: Visiting indoor attractions, attending cultural events and performances, exploring local shops and boutiques.
December
December brings cold temperatures and the holiday spirit to Bethany, with residents and visitors embracing the festive season. Average highs remain in the upper 30s°F, with occasional frosty mornings and chilly evenings. Precipitation decreases slightly to an average of 3.90 inches, though residents should be prepared for winter weather conditions. Outdoor activities may be limited due to the colder temperatures, but residents can still enjoy activities such as holiday light displays, shopping for unique gifts, and attending seasonal events and festivals.
Recommended Activities: Viewing holiday light displays, shopping for unique gifts, attending seasonal events and festivals.