Climate and monthly weather forecast
Lewisville, IN

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Weather in January

January, like December, in Lewisville, Indiana, is an icy winter month, with an average temperature fluctuating between 20.5°F (-6.4°C) and 32.2°F (0.1°C). January, noted for its average high-temperature of 32.2°F (0.1°C) and an average low-temperature of 20.5°F (-6.4°C), is considered the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Lewisville, is also a wintry month, with an average temperature ranging between max 36.9°F (2.7°C) and min 24.1°F (-4.4°C). The average high-temperature is a still wintry 36.9°F (2.7°C) in February, hardly different from the 32.2°F (0.1°C) recorded in January. Weather in February »

Weather in March

March, the first month of the spring in Lewisville, is a frosty month, with temperature in the range of an average high of 48.6°F (9.2°C) and an average low of 33.6°F (0.9°C). Lewisville in March shows a temperature shift, moving from an average high of a cold 36.9°F (2.7°C) in February to a chilly 48.6°F (9.2°C). Weather in March »

Weather in April

April is a refreshing spring month in Lewisville, Indiana, with an average temperature fluctuating between 60.4°F (15.8°C) and 44.1°F (6.7°C). April witnesses an increase in the average high-temperature, moving from a chilly 48.6°F (9.2°C) in March to a mild 60.4°F (15.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Lewisville, Indiana, with an average temperature fluctuating between 71.2°F (21.8°C) and 54.7°F (12.6°C). Lewisville's May weather shows an increase in high-temperatures, moving from April's mild 60.4°F (15.8°C) to a pleasant 71.2°F (21.8°C). Weather in May »

Weather in June

June, the first month of the summer in Lewisville, is a moderately hot month, with an average temperature varying between 62.2°F (16.8°C) and 78.1°F (25.6°C). Entering June, Lewisville notices a subtle temperature elevation, with the average high-temperature advancing from May's agreeable 71.2°F (21.8°C) to a moderately hot 78.1°F (25.6°C). Weather in June »

Weather in July

July, like June, in Lewisville, Indiana, is a moderately hot summer month, with an average temperature fluctuating between 64.4°F (18°C) and 81°F (27.2°C). Lewisville's warmest month, July, generally records average temperatures ranging from a high of 81°F (27.2°C) to a low of 64.4°F (18°C). During July, the heat index is evaluated at a hot 86°F (30°C). Weather in July »

Weather in August

August, the last month of the summer in Lewisville, is another warm month, with an average temperature fluctuating between 79.3°F (26.3°C) and 62.2°F (16.8°C). With the onset of August, the average high-temperature stands at a still warm 79.3°F (26.3°C), closely aligned with July's 81°F (27.2°C). Weather in August »

Weather in September

September, the first month of the autumn in Lewisville, is still a warm month, with an average temperature varying between 56.8°F (13.8°C) and 74.3°F (23.5°C). With the onset of September, a modest change to a still warm 74.3°F (23.5°C) from August's 79.3°F (26.3°C) is noted in high-temperature. Weather in September »

Weather in October

October, like September, in Lewisville, Indiana, is another enjoyable autumn month, with temperature in the range of an average high of 62.1°F (16.7°C) and an average low of 46.6°F (8.1°C). The shift from September to October corresponds with a decrease in the average high-temperature, down to a comfortable 62.1°F (16.7°C) from a moderately hot 74.3°F (23.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Lewisville, is also a frosty month, with an average temperature fluctuating between 48.6°F (9.2°C) and 34.9°F (1.6°C). Transition into November marks a drop in the average high-temperature, moving from a comfortable 62.1°F (16.7°C) in October to a frosty 48.6°F (9.2°C). Weather in November »

Weather in December

December, the first month of the winter in Lewisville, is still a cold month, with an average temperature varying between 27.9°F (-2.3°C) and 37.9°F (3.3°C). Lewisville in December undergoes a mild reduction in the average high-temperature, shifting from November's frosty 48.6°F (9.2°C) to an icy 37.9°F (3.3°C). Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month in Lewisville?

In Lewisville, the average lowest temperatures are observed in January, with a high of 32.2°F (0.1°C) and a low of 20.5°F (-6.4°C).

What is the most humid month in Lewisville?

The months with the highest humidity are January and December, with an average relative humidity of 83%.

How much does it rain in Lewisville?

In Lewisville, Indiana, during the entire year, the rain falls for 169.4 days and collects up to 31.77" (807mm) of precipitation.

When does it snow in Lewisville?

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

What is the snowiest month in Lewisville?

The month with the most snowfall in Lewisville, Indiana, is January, when snow falls for 12.8 days and typically aggregates up to 3.31" (84mm) of snow.

How many days does it snow in Lewisville?

Throughout the year, in Lewisville, Indiana, there are 42.7 snowfall days, and 13.82" (351mm) of snow is accumulated.

What is the month with the least sunshine in Lewisville?

With an average of 3.6h of sunshine, January has the least sunshine of the year.

What is the driest month in Lewisville?

The month with the least rainfall is February, when the rain falls for 8.8 days and typically collects 1.85" (47mm) of precipitation.

When is Daylight Saving Time (DST) in Lewisville?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Lewisville, 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 in Lewisville?

The month with the most rainfall in Lewisville, Indiana, is May, when the rain falls for 19.7 days and typically aggregates up to 3.9" (99mm) of precipitation.

When it does not snow in Lewisville?

In Lewisville, snow does not fall in May through September.

What are the months with the highest UV index in Lewisville?

May through July, with an average maximum UV index of 6, are months with the highest UV index in Lewisville, Indiana.

When are the longest days in Lewisville?

The month with the longest days in Lewisville, Indiana, is June, with an average of 14h and 54min of daylight.

What month has the most sunshine in Lewisville?

June has the most sunshine of the year in Lewisville, Indiana, with an average of 10.1h of sunshine.

What time of the year is the hottest in Lewisville?

July is the month that records the highest temperatures, with averages ranging from a high of 81°F (27.2°C) to a low of 64.4°F (18°C).

What is the least humid month in Lewisville?

The least humid month is October, with an average relative humidity of 74%.

What is the month with the shortest days in Lewisville?

December has the shortest days of the year, with an average of 9h and 24min of daylight.

What is the month with the lowest UV index in Lewisville?

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

Average temperature
Lewisville, IN

Average temperature - Lewisville, IN

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (32.2°F).

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

Average pressure
Lewisville, IN

Average pressure - Lewisville, IN

The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Lewisville, IN

Average wind speed - Lewisville, IN

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity
Lewisville, IN

Average humidity - Lewisville, IN

The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is October (74%).

Average rainfall
Lewisville, IN

Average rainfall - Lewisville, IN

The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is February (1.85").

Average rainfall days
Lewisville, IN

Average rainfall days - Lewisville, IN

The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is February (8.8 days).

Average snowfall
Lewisville, IN

Average snowfall - Lewisville, IN

The month with the highest snowfall is January (3.31").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Lewisville, IN

Average snowfall days - Lewisville, IN

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Lewisville, IN

Average daylight / Average sunshine - Lewisville, IN

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days
Lewisville, IN

Average sunshine days - Lewisville, IN

The months with the most sunshine days are October and November (16.1 days).
The month with the least sunshine days is May (9.1 days).

Average visibility
Lewisville, IN

Average visibility - Lewisville, IN

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

Lewisville, Indiana, USA

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