Climate and monthly weather forecast
Valparaiso, IN

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The climate of Valparaiso

Valparaiso, a city in Indiana, USA, experiences a humid continental climate with no dry season. This climatic type, according to the Köppen climate classification, falls under Dfa as the city demonstrates hot summers with an absence of dry periods.

Examination of the climatological data divulges considerable variations in weather conditions over the course of the year. The highest average temperature progresses from 30°F (-1.1°C) in January to a peak of 79.9°F (26.6°C) in July, receding to around 36°F (2.2°C) in December. Equally, the lowest average temperature ranges from 19°F (-7.2°C) in January, heightening to around 64°F (17.8°C) in July, and falling back to approximately 26.4°F (-3.1°C) in December.

Rainfall occurs in all monthly spans with the most substantial average precipitation falling in May with an average of 2.56" (65mm). It is significant to observe that the months of January and February witness the most snowfall with readings of 2.48" (63mm) and 2.09" (53mm) respectively. The average relative humidity registers a hike from January's 83% to July's 84%. Besides, the pressure remains rather steady, swaying between 29.93" (760mm) in June and 30.11" (765mm) in January.

In contrast, average visibility remains relatively unchanged throughout the year at around 6 miles. The daylight hours span from 9.6 hours in January, reaching a peak of 15.1 hours in June, and dwindling back to 9.2 hours in December. Wind conditions fluctuate mildly over the year, with the highest average wind speed registering at 10.8mph (17.4km/h) in January and the lowest at 6.4mph (10.3km/h) in August.

The best time to visit Valparaiso

An ideal time to visit Valparaiso would be during the period between May and September. With pleasant temperature averages ranging from 68.9°F (20.5°C) in May to 78.6°F (25.9°C) in August, tourists can explore the city comfortably. May is especially attractive, with the city receiving the highest rainfall of 2.56" (65mm). Additionally, daylight lasts for an average of 14.5 hours in May, indicating more time to relish the city's ambiances.

The worst time to visit Valparaiso

January and February could be considered as less favorable months for visiting Valparaiso. Corresponding to its lowest temperature averages, January notes highs of around 30°F (-1.1°C) and lows of 19°F (-7.2°C), while February experiences highs of 33.8°F (1°C) and subzero lows of 21.7°F (-5.7°C). Furthermore, these months face the highest snow accumulation with an increased risk of disruptions to travel plans due to severe weather conditions.

Spring weather in Valparaiso

Spring in Valparaiso, taking place from March through May, sees a progressive increase in temperature averages from 45.9°F (7.7°C) to 68.9°F (20.5°C). Rainfall increases as well, reaching its peak in May at 2.56" (65mm). Moreover, daylight hours and sunshine hours extend over these months, providing pleasant lighting conditions for outdoor activities.

Summer weather in Valparaiso

The summer months of June, July, and August record the highest temperatures in Valparaiso, plateauing at 79.9°F (26.6°C) in July. There is a mild decline in precipitation from June through August. However, the average relative humidity increases to 84%, or the highest point over the year, in both July and August. The daylight hours are also extended during this period, providing long, sunny days to enjoy summer activities.

Autumn weather in Valparaiso

During the autumn months of September, October, and November, Valparaiso experiences a steady decline in temperatures. The average high temperature drops from 73.4°F (23°C) in September to 47.3°F (8.5°C) in November. Precipitation also sees a decrease during these months, with the lowest amount in November at just 1.06" (27mm). Nonetheless, brilliant foliage and comfortable temperatures create a pleasing climate to enjoy outdoor pursuits.

Winter weather in Valparaiso

Winter in Valparaiso is distinctly cold, with the average high temperature hovering around 30°F (-1.1°C) in January and barely rising to 33.8°F (1°C) in February. The lowest average temperatures of 19°F (-7.2°C) in January and 21.7°F (-5.7°C) in February bring icy conditions. Snowfall is significant during these months, with the highest recorded averages of 2.48" (63mm) in January and 2.09" (53mm) in February. The short daylight hours and reduced visibility underscore the chill and gloom prevalent during winter.

Weather in January

In Valparaiso, Indiana, the weather in January ushers in the New Year with snowfall amounting to 2.48" (63mm) across 12.6 days. This cold weather pattern continues seamlessly from the previous month, with temperatures remaining low and a high relative humidity that adds to the chill of winter. Weather in January »

Weather in February

February in Valparaiso exhibits slightly milder weather conditions than its predecessor, with instances of snowfall reducing both in terms of quantity and duration. Although the winter maintain its firm grip, this month marks a gradual shift towards spring. Weather in February »

Weather in March

March marks the beginning of springtime in Valparaiso, Indiana, with a noticeable increase in average temperatures. This rise in temperature isn't the only significant change; the city also sees an increase in the frequency and amount of rainfall, receiving 1.22" (31mm) across 10.9 days during the month. Weather in March »

Weather in April

April in Valparaiso brings more noticeable indicators of spring, even as the last vestiges of winter continue to fade. April's temperatures climb higher than those in March, and increased rainfall becomes a signature characteristic of this period. Weather in April »

Weather in May

May in Valparaiso is a harbinger of the summer months; the city experiences an overall increase in temperature. Similarities can be drawn between May and the preceding month of April, with high relative humidity and heavy showers. However, rainfall peaks at 2.56" (65mm), allowing abundant growth in local flora. Weather in May »

Weather in June

In June, Valparaiso weather shifts decidedly into summer mode, offering the warmest temperatures so far with highs averaging at 77.5°F (25.3°C). The city basks in the sun's glow, also experiencing its longest daylight hours. This is also a period where instances of rainfall decrease to 2.48" (63mm) while still maintaining the moisture needed for vegetation growth. Weather in June »

Weather in July

July graces Valparaiso with its warmest temperatures, with the mercury reaching an average high of 79.9°F (26.6°C). While it might be a challenging period for those seeking respite from the heat, it serves as an ideal time for sunbathers and outdoor enthusiasts. Weather in July »

Weather in August

In August, Valparaiso's weather exhibits a gradual decrease in temperature, giving the initial signs of an impending summer exit. However, the weather pattern closely resembles that of July, with high levels of humidity and significant rainfall at 2.09" (53mm). Weather in August »

Weather in September

September ushers in the onset of fall in Valparaiso, bringing cooler temperatures and shorter daylight hours. The noticeable reductions in temperature from August's high heat levels make it a period of change. The sparse rainfall of 1.26" (32mm) reduces the humidity, influencing the city venue's overall landscape. Weather in September »

Weather in October

In October, Valparaiso embraces the full swing of fall, with further decreasing temperatures and shorter daylight hours. The city experiences the beauty of fall foliage, contrasting starkly with the lush green vegetation of September. Weather in October »

Weather in November

November in Valparaiso marks the near end of autumn and the beginning signs of winter. The coolness becomes more pronounced as temperatures continue to drop from the last traces of October's fall warmth. The vibrant hues of fall start to ebb, and the initial traces of snow heralding the approaching winter can be seen. Weather in November »

Weather in December

December completes the annual weather cycle for Valparaiso with the arrival of deep winter. The pervasive cold weather becomes the city's primary characteristic, with a substantial increase in snowfall up to 1.46" (37mm). The month offers short days with minimal daylight and a high likelihood of snow, making it a winter wonderland. Weather in December »
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

January, characterized by an average high temperature of 30°F (-1.1°C) and a low temperature of 19°F (-7.2°C), is generally the coldest month.

How much does it rain?

In Valparaiso, during the entire year, the rain falls for 133.4 days and collects up to 19.09" (485mm) of precipitation.

When does it snow?

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

What is the snowiest month?

January is the month with the most snowfall. Snow falls for 12.6 days and accumulates 2.48" (63mm) of snow.

How many days does it snow?

In Valparaiso, during the entire year, snow falls for 43.8 days and aggregates up to 8.62" (219mm) of snow.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 3.2h of sunshine.

What is the driest month?

February is the month with the least rainfall. Rain falls for 5.6 days and accumulates 0.87" (22mm) of precipitation.

When is Daylight Saving Time (DST)?

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

What is the rainiest month in Valparaiso?

The month with the most rainfall is May, when the rain falls for 15.8 days and typically aggregates up to 2.56" (65mm) of precipitation.

When it does not snow?

In Valparaiso, Indiana, snow does not fall in June through September.

When are the longest days?

With an average of 15h and 6min of daylight, June has the longest days of the year.

What is the month with the highest UV index?

June is the month with the highest UV index, with an average maximum UV index of 6.

What are the warmest months?

In Valparaiso, July registers the highest temperatures, averaging 79.9°F (26.6°C) at the peak and 64°F (17.8°C) at the lowest.

What is the most humid month?

The months with the highest humidity are July and August, with an average relative humidity of 84%.

What month has the most sunshine?

The month with the most sunshine is August, with an average of 9.8h of sunshine.

What is the least humid month?

October is the least humid month, with an average relative humidity of 73%.

What is the month with the shortest days?

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

When is the lowest UV index?

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

Average temperature
Valparaiso, IN

Average temperature - Valparaiso, 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 (30°F).

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19°F).

Average pressure
Valparaiso, IN

Average pressure - Valparaiso, IN

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Valparaiso, IN

Average wind speed - Valparaiso, IN

The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity
Valparaiso, IN

Average humidity - Valparaiso, IN

The months with the highest relative humidity are July and August (84%).
The month with the lowest relative humidity is October (73%).

Average rainfall
Valparaiso, IN

Average rainfall - Valparaiso, IN

The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is February (0.87").

Average rainfall days
Valparaiso, IN

Average rainfall days - Valparaiso, IN

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (4.9 days).

Average snowfall
Valparaiso, IN

Average snowfall - Valparaiso, IN

The month with the highest snowfall is January (2.48").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Valparaiso, IN

Average snowfall days - Valparaiso, IN

The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Valparaiso, IN

Average daylight / Average sunshine - Valparaiso, IN

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 12min).

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days
Valparaiso, IN

Average sunshine days - Valparaiso, IN

The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is June (11.3 days).

Average visibility
Valparaiso, IN

Average visibility - Valparaiso, IN

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

Valparaiso, Indiana, USA

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