Climate and monthly weather forecast
South Bend, IN

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Colorful river lights on the bridge of St. Joseph River in South Bend, Indiana
Colorful river lights on the bridge of St. Joseph River in South Bend, Indiana

The climate of South Bend

Identified by the Köppen climate classification as a Dfa region, South Bend, Indiana, USA experiences a humid continental climate. This implies that the city, regardless of the season, retains a high level of humidity. Throughout the year, South Bend sees variations in temperature, from a chilly 18.9°F (-7.3°C) in January to more balmy conditions with highs of 79.9°F (26.6°C) in July.

The wind speed also sees variations, with January experiencing the strongest gusts at 16.9mph (27.2km/h), while July witnesses more calm winds, at around 6.3mp. Consistently high relative humidity, from 75% in October to 85% in January, contributes to the city's overall moist and humid conditions.

Rainfall in South Bend varies from 1.38 between February and April to a more pronounced peak of 3.19" (81mm) in June. Similarly, the number of rainy days fluctuates between 7.5 in January and a high of 18 in May. Snowfall, another key aspect of South Bend's climate, is highest during January with 4.61" (117mm), decreasing gradually until there is zero snowfall from June to September.

The best time to visit South Bend

The best time to visit South Bend for relatively pleasant weather conditions falls between May and September. The average high temperatures during these months range from 67.8°F (19.9°C) in May to a peak of 79.9°F (26.6°C) in July. The area also sees average low temperatures ranging from 51.4°F (10.8°C) to 63.1°F (17.3°C).

Howbeit, please note that the humidity is pretty high during these months, especially in June and July with 81% and 82% respectively. As for the sunshine hours, it edges towards a higher side with around 10.2 hours in July, which provides ample time to explore outdoors.

The worst time to visit South Bend

The least desirable months to visit South Bend fall between November and March. During this period, the city experiences harsh cold conditions, with average high temperatures ranging from 29.7°F (-1.3°C) to 44.4°F (6.9°C) and average low temperatures plummeting down to between 18.9°F (-7.3°C) and 40.3°F (4.6°C).

Snowfall during these months considerably increases, reaching a higher state in January with 4.61" (117mm). The number of snowfall days varies from 6 in November to a higher state of 18 days in January. The weather conditions during this period can disrupt outdoor activities.

Spring weather in South Bend

Spring weather is South Bend is defined by a gradual increase in temperatures and rainy days. The average high temperature starts at 44.4°F (6.9°C) in March and rises to 67.8°F (19.9°C) in May. Meanwhile, the average low temperature increases from 30.9°F (-0.6°C) to 51.4°F (10.8°C).

Spring witnesses more frequency in rainfall, with the highest being 3.07" (78mm) in May. Subsequently, the number of rainy days rises from 12.5 in March to 18 in May. Spring also marks the end of the snowfall season, with March witnessing a minor 1.42" (36mm).

Summer weather in South Bend

Summer in South Bend brings more warmth, with average high temperatures ranging from 75.9°F (24.4°C) in June to 79.9°F (26.6°C) in July. Average low temperatures hover between 59.7°F (15.4°C) and 63.1°F (17.3°C). Humidity is relatively high, with July being the most humid month at 82%.

With rainfall decreasing towards the end of the summer, June witnesses the highest rainfall at 3.19" (81mm). The city does not experience any snowfall during these months. Sunshine hours are at their peak, with July having an average of 10.2 hours.

Autumn weather in South Bend

With the arrival of Autumn, temperatures in South Bend begin to cool. October sees a high temperature of 59.9°F (15.5°C), which drops to 46.4°F (8°C) in November. Average low temperatures also see a steady decline from 45.9°F (7.7°C) in October to 34.5°F (1.4°C) in November.

Rainfall during autumn experiences a gradual decline, going from 2.32" (59mm) in October to 1.5" (38mm) in November. Snowfall gently makes its appearance in October with 0.24" (6mm) and gradually increases to 2.13" (54mm) by November.

Winter weather in South Bend

Winter in South Bend is characterized by severe cold, with average high temperatures plummeting to between 35.2°F (1.8°C) in December and 29.7°F (-1.3°C) in January. The average low temperatures range between 26.6°F (-3°C) in December and 18.9°F (-7.3°C) in January. The coldness is intensified by relatively strong winds, which hit their peak at around 10.9mph (17.5km/h) in December and January.

Snowfall is extensive during winter, hitting a high of 4.61" (117mm) in January. The number of snowfall days sees a maximum of 18 in January. The city is shrouded in clouds, as indicated by the 63% cloud cover in December, making it the cloudiest month.

Weather in January

January in South Bend, Indiana, is characterized by biting cold temperatures and snowfall. The mercury dips to an average low of 18.9°F (-7.3°C) and even the highest reaches only a freezing 29.7°F (-1.3°C). A significant amount of snow, averaging 4.61" (117mm), blankets the city, transforming it into an icy white wonderland. Weather in January »

Weather in February

February in South Bend heralds the tail end of winter, yet the weather remains relentlessly cold. Temperatures experience a slight increase, averaging a high of 32.5°F (0.3°C) and a low of 21.7°F (-5.7°C). Snowfall, while still quite prevalent, decreases to an average of 3.39" (86mm). Weather in February »

Weather in March

With the onset of March, South Bend, Indiana, begins to welcome the spring season. Encouraging signs of warmth surface, as temperatures climb to an average high of 44.4°F (6.9°C) and a low of 30.9°F (-0.6°C). The spring metamorphosis brings a decline in snowfall to 1.42" (36mm). Weather in March »

Weather in April

In April, improving weather conditions in South Bend continue to signal the arrival of spring. Average temperatures climb further, maintaining an average between a high of 55.8°F (13.2°C) and a low of 40.3°F (4.6°C). April experiences the greatest frequency of rainy days, up to 16.5 days, although the amount of rain is moderate at 2.68" (68mm). Weather in April »

Weather in May

Spring is in full swing in South Bend during May. The city enjoys an average high temperature of 67.8°F (19.9°C), making conditions pleasant and delightful for outdoor activities. Receiving its highest rainfall, May experiences 3.07" (78mm) over approximately 18 rainy days. Weather in May »

Weather in June

June in South Bend, Indiana, inaugurates summer with warmer days and sun-filled skies. Temperatures continue their upward trajectory, now hovering with a comfortable high of 75.9°F (24.4°C) and a low of 59.7°F (15.4°C). With 15.2 hours of daylight, June boasts the longest days of the year. Weather in June »

Weather in July

July is the zenith of summer in South Bend with temperatures ascending to their peak. The high averages around 79.9°F (26.6°C) and even the lowest nighttime temperatures stay comfortably above 60°F (15.6°C). Oddly, July also experiences a relative humidity of 82%, showing how the city intertwines with humidity despite the scorching summer heat. Weather in July »

Weather in August

As South Bend steps into August, the sweltering summer gives way to a slight drop in temperatures. The highs average 78.4°F (25.8°C), while lows hover around 61.7°F (16.5°C). Despite August being the second warmest month, the severity of the heat tones down comparatively. Weather in August »

Weather in September

September in South Bend ushers in early hints of autumn. The city experiences a significant drop in temperatures from the summer highs to a moderate 72.9°F (22.7°C). However, with a dip in temperatures, September also sees a decline in rainfall to 1.65" (42mm), making for drier days. Weather in September »

Weather in October

October observes a remarkable shift in weather conditions in South Bend. The average high and low temperatures decrease to 59.9°F (15.5°C) and 45.9°F (7.7°C) respectively, signifying the steady approach of winter. Amid the crisp autumn air, vibrant shades of fall foliage bedeck the city, presenting an awe-inspiring spectacle. Weather in October »

Weather in November

November, the last month of the autumn in South Bend, is chilly month, with temperature in the range of an average high of 46.4°F (8°C) and an average low of 34.5°F (1.4°C). The arrival of November signals a shift in temperature, down from a moderate 59.9°F (15.5°C) in October to a frosty 46.4°F (8°C). Weather in November »

Weather in December

In December, South Bend embarks on its winter journey. The city experiences chilling temperatures, with the mean high and lows plummeting to 35.2°F (1.8°C) and 26.6°F (-3°C) respectively. Moreover, the respectable snowfall of 2.83" (72mm) in this month heralds the official arrival of winter. Weather in December »
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

January is the coldest month, with the temperature often reaching an average high of 29.7°F (-1.3°C) and an average low of 18.9°F (-7.3°C).

What is the most humid month?

With an average relative humidity of 85%, January is the most humid month.

How many days does it rain?

Throughout the year, there are 160.2 rainfall days, and 25.31" (643mm) of precipitation is accumulated.

When does it snow?

January through May, October through December are months with snowfall.

When does it snow the most?

January is the month with the most snowfall. Snow falls for 18 days and accumulates 4.61" (117mm) of snow.

How many days does it snow?

Throughout the year, there are 61.6 snowfall days, and 15.91" (404mm) of snow is accumulated.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 3h of sunshine.

What is the driest month?

February is the month with the least rainfall in South Bend. Rain falls for 7.8 days and accumulates 1.38" (35mm) of precipitation.

When is Daylight Saving Time (DST) in South Bend?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What is the rainiest month?

June is the month with the most rainfall. Rain falls for 16.5 days and accumulates 3.19" (81mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

When are the longest days?

The month with the longest days in South Bend is June, with an average of 15h and 12min of daylight.

What is the month with the highest UV index?

The months with the highest UV index are June and August, with an average maximum UV index of 6.

What is the warmest month?

South Bend experiences its highest temperatures in July, with an average peak of 79.9°F (26.6°C) and a low of 63.1°F (17.3°C).

What month has the most sunshine?

July has the most sunshine of the year, with an average of 10.2h of sunshine.

What is the least humid month?

With an average relative humidity of 75%, October is the least humid month.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 12min of daylight.

What is the month with the lowest UV index?

The month with the lowest UV index is December, with an average maximum UV index of 1.

Average temperature
South Bend, IN

Average temperature - South Bend, IN

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (29.7°F).

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure
South Bend, IN

Average pressure - South Bend, IN

The months with the highest atmospheric pressure are January and November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
South Bend, IN

Average wind speed - South Bend, IN

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

Average humidity
South Bend, IN

Average humidity - South Bend, IN

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (75%).

Average rainfall
South Bend, IN

Average rainfall - South Bend, IN

The wettest month (with the highest rainfall) is June (3.19").
The driest month (with the least rainfall) is February (1.38").

Average rainfall days
South Bend, IN

Average rainfall days - South Bend, IN

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (7.5 days).

Average snowfall
South Bend, IN

Average snowfall - South Bend, IN

The month with the highest snowfall is January (4.61").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
South Bend, IN

Average snowfall days - South Bend, IN

The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
South Bend, IN

Average daylight / Average sunshine - South Bend, IN

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).

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days
South Bend, IN

Average sunshine days - South Bend, IN

The month with the most sunshine days is September (13.5 days).
The month with the least sunshine days is February (8.3 days).

Average visibility
South Bend, IN

Average visibility - South Bend, IN

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

South Bend, Indiana, USA

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