Climate and monthly weather forecastNew Haven, IN
Climate and monthly weather forecast
The climate of New Haven
New Haven, Indiana, located in the U.S.A, falls under the Köppen climate classification of Dfa, characterized as being humid continental with no distinct dry season and hot summers.Throughout the year, New Haven experiences a significant variation in temperature, humidity, and precipitation. On average, the temperatures fluctuate from a chilly 19.2°F (-7.1°C) in January to a warm 81.1°F (27.3°C) in July. There's a substantial difference of about 62°F (16.7°C) between the lowest and highest temperatures.
The relative humidity remains consistent throughout the year, ranging from 76 to 84%. There's an increment in humidity during the warmer months of July and August, towards 82%, creating an atmosphere of dampness.
Rainfall varies from 1.38" (35mm) in February to 2.95" (75mm) in April, with more rainy days between March to June. Particularly, the month of April records the highest rainfall, whereas the precipitation is spread fairly evenly over the year.
When it comes to sunshine, June proves to be the sunniest month, boasting approximately 9.9 hours a day. The shortest days occur from November to January, with daylight under 10 hours.
The best time to visit New Haven
The best time to experience New Haven's climate would be from June to September. During this period, the town basks under an average high-temperature range from 73.9°F (23.3°C) to 81.1°F (27.3°C) and contains a wealthier amount of sunshine. These sunny conditions combined with an average relative humidity floating around 78% to 80% present an ideal time for outdoor activities.The worst time to visit New Haven
The worst time to visit New Haven would arguably be from November to February. During these months, the weather becomes increasingly cold with temperatures falling down to 19.2°F (-7.1°C). Snowfall is prevalent throughout these months, reaching up to 3.58" (91mm) in February. Therefore, individuals sensitive to cold and snowy conditions might find it uncomfortable during this time.Spring weather in New Haven
Spring in New Haven begins in March and lasts till May. This period is characterized by increasing temperatures from 46°F (7.8°C) to a pleasant 70.3°F (21.3°C). Rainfall is abundant during spring particularly in April, receiving as high as 2.95" (75mm) of rainfall. The average daylight extends until 14.5 hours in May, offering longer days for outdoor excursions.Summer weather in New Haven
Summer, from June to August, is marked by warmer temperatures ranging from 73.9°F (23.3°C) to 81.1°F (27.3°C). Although the humidity is high, at around 80%, there are up to 15.1 hours of sunshine to enjoy. Rainfall decreases substantially during these months, making them the driest season of the year.Autumn weather in New Haven
In Autumn, from September to November, New Haven experiences a steady decline in temperature from 73.9°F (23.3°C) down to a moderate 47.5°F (8.6°C). The daylight hours also gradually reduce, hinting the impending arrival of winter. Although rainfall is moderate through these months, the month of October sees a slight rise in rainy days up to 13.2.Winter weather in New Haven
Winter in New Haven, from December to February, brings chill with temperatures plummeting as low as 19.2°F (-7.1°C). As expected in a Humid Continental climate, snowfall is common during these months, with February seeing an average of 3.58" (91mm). The daylight hours dwindle down to an average of less than 10 hours in these months, making the days shorter.Weather in January
Weather conditions in New Haven, Indiana start the year off with a rather dreary outlook. January’s chill is inescapable with the lowest temperatures descending down to 19.2°F (-7.1°C) and only ascending to a high of 30.7°F (-0.7°C). Weather in January »Weather in February
As January gives way to February in New Haven, Indiana, weather conditions demonstrate a modest moderation. Warmer temperatures evident the nearing spring with a notable increase in temperature, leading to a low of 22.3°F (-5.4°C) and a high of 34.3°F (1.3°C). Weather in February »Weather in March
March marks a significant transition in the weather of New Haven, Indiana with noticeable changes. The temperature starts climbing towards spring with lows of 31.6°F (-0.2°C) and highs of 46°F (7.8°C) breaking the icy grip of winter. Weather in March »Weather in April
In New Haven, Indiana the arrival of April signals the full bloom of spring. Temperature readings capture the essence of the season with lows around 41.7°F (5.4°C) and stretching up to pleasing 58.3°F (14.6°C). The scene is often dappled with spring showers, providing vital nourishment to the awakening flora. Weather in April »Weather in May
May introduces warmer weather to New Haven, Indiana, coupling the milder temperatures with the city's burgeoning greenery. The mercury column displays a minimum of 53.1°F (11.7°C) while leaping to a maximum of 70.3°F (21.3°C). Sprinkles of rain drizzle down intermittently, keeping the city's green spaces hydrated and rich. Weather in May »Weather in June
June in New Haven, Indiana reveals the bright and warm weather associated with the start of summer. Thermometers juggle temperatures from 61°F (16.1°C) to 78.1°F (25.6°C), offering delightful weather for outdoor ventures. The onset of summer brings with it a slight reduction in the amount of rainfall, aiding in the creation of many perfect sunny days. Weather in June »Weather in July
Chasing the romanticized heat of summer, July holds the distinction of being the warmest month in New Haven, Indiana. The temperature fluctuates comfortably from 63.9°F (17.7°C) to 81.1°F (27.3°C), serving a pleasant balance of warmth. Weather in July »Weather in August
The gradual reduction in sunlight signals the waning of summer in August in New Haven, Indiana. The cooling climate shows a slight decrease, with temperatures vacillating between 61.3°F (16.3°C) and 79.3°F (26.3°C). Frequent showers tend to punctuate the otherwise sunny month, a subtle notion of the approaching autumn. Weather in August »Weather in September
With autumn's arrival, September in New Haven, Indiana sees the weather starting to simmer down. Moderating temperatures descend to 55.4°F (13°C) while only reaching up to 73.9°F (23.3°C). The month moves away from the drenching rains of summer reducing the average precipitation. Weather in September »Weather in October
The city of New Haven, Indiana enters the depths of fall in October, yielding cooler temperatures and beautifully changing foliage. The mercury stays between 45.5°F (7.5°C) and 61.3°F (16.3°C), instilling the air with a gentle, nippy sensation. Weather in October »Weather in November
November in New Haven, Indiana is the harbinger of winter, presenting colder weather and shortening daylight. With temperatures plunging down to 34.7°F (1.5°C) and scarcely touching 47.5°F (8.6°C), November nudges New Haven towards wintry chills. Weather in November »Weather in December
December in New Haven, Indiana welcomes the full-blown winter with shorter days and consistent low temperatures. The city becomes a winter wonderland, with mercury readings ranging from 27°F (-2.8°C) to 36.5°F (2.5°C). Snowfall marks its triumphant return, adorning the city in a blanket of white. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
New Haven, IN
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.7°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 (19.2°F).
Average pressure
New Haven, IN
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.1"Hg
The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
New Haven, IN
- Average wind speed in January:
10.5mph - Average wind speed in February:
10.1mph - Average wind speed in March:
9.6mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.4mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6.1mph - Average wind speed in September:
6.9mph - Average wind speed in October:
8.8mph - Average wind speed in November:
9.5mph - Average wind speed in December:
9.7mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity
New Haven, IN
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall
New Haven, IN
- Average rainfall in January:
1.42" - Average rainfall in February:
1.38" - Average rainfall in March:
2.01" - Average rainfall in April:
2.95" - Average rainfall in May:
2.91" - Average rainfall in June:
2.48"
- Average rainfall in July:
2.28" - Average rainfall in August:
1.85" - Average rainfall in September:
1.54" - Average rainfall in October:
1.5" - Average rainfall in November:
1.61" - Average rainfall in December:
1.46"
The wettest month (with the highest rainfall) is April (2.95").
The driest month (with the least rainfall) is February (1.38").
Average rainfall days
New Haven, IN
- Average rainfall days in January:
7.9 days - Average rainfall days in February:
6.8 days - Average rainfall days in March:
11.5 days - Average rainfall days in April:
15.6 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
16.7 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
12.9 days - Average rainfall days in October:
13.2 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
9.5 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (6.8 days).
Average snowfall
New Haven, IN
- Average snowfall in January:
2.91" - Average snowfall in February:
3.58" - Average snowfall in March:
1.54" - Average snowfall in April:
0.63" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
New Haven, IN
- Average snowfall days in January:
13.3 days - Average snowfall days in February:
12.7 days - Average snowfall days in March:
6.5 days - Average snowfall days in April:
1.8 days - Average snowfall days in May:
0.1 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:
0.4 days - Average snowfall days in November:
4.5 days - Average snowfall days in December:
10.7 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
New Haven, IN
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - 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 54min - Average daylight in December:
9h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
3h and 18min - Average sunshine in February:
4h and 18min - Average sunshine in March:
5h and 42min - Average sunshine in April:
6h and 48min - Average sunshine in May:
8h and 24min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
9h and 30min - Average sunshine in September:
7h and 54min - Average sunshine in October:
6h and 6min - Average sunshine in November:
5h and 0min - Average sunshine in December:
3h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days
New Haven, IN
- Average sunshine days in January:
12 days - Average sunshine days in February:
10.4 days - Average sunshine days in March:
14.2 days - Average sunshine days in April:
11.3 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
10.9 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
12.4 days - Average sunshine days in September:
15 days - Average sunshine days in October:
15.9 days - Average sunshine days in November:
16.1 days - Average sunshine days in December:
13.4 days
The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is February (10.4 days).
Average UV index
New Haven, IN
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
New Haven, IN
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility
New Haven, IN
The months with the highest visibility are February, March, April, May, June, July, September, October, November and December (6mi).
The months with the lowest visibility are January and August (5mi).





