Climate and monthly weather forecast
West Lafayette, IN

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Weather in January

January, like December, is another subzero cold winter month in West Lafayette, Indiana, with an average temperature fluctuating between 31.8°F (-0.1°C) and 19.8°F (-6.8°C). The coldest period tends to be January, when average temperatures fluctuate between a high of 31.8°F (-0.1°C) and a low of 19.8°F (-6.8°C). Weather in January »

Weather in February

The last month of the winter, February, is a wintry month in West Lafayette, Indiana, with an average temperature ranging between min 23.2°F (-4.9°C) and max 36.3°F (2.4°C). West Lafayette records a slight change with February's average high-temperatures adjusting to an icy 36.3°F (2.4°C) from January's 31.8°F (-0.1°C). Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in West Lafayette, Indiana, with temperature in the range of an average high of 48.7°F (9.3°C) and an average low of 33.4°F (0.8°C). An upsurge in temperatures occurs as February gives way to March, with average highs shifting from an icy 36.3°F (2.4°C) to a chilly 48.7°F (9.3°C). Weather in March »

Weather in April

April in West Lafayette, Indiana, is a refreshing spring month, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 60.3°F (15.7°C). West Lafayette in April shows a temperature shift, moving from an average high of a chilly 48.7°F (9.3°C) in March to a mild 60.3°F (15.7°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in West Lafayette, Indiana, with an average temperature varying between 54.9°F (12.7°C) and 71.6°F (22°C). May's onset brings a temperature rise, moving from a mild 60.3°F (15.7°C) in April to an agreeable 71.6°F (22°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in West Lafayette, Indiana, with an average temperature varying between 62.6°F (17°C) and 79.3°F (26.3°C). In West Lafayette, the onset of June comes with a modest high-temperature shift, transitioning from May's pleasant 71.6°F (22°C) to a warm 79.3°F (26.3°C). Weather in June »

Weather in July

July, like June, in West Lafayette, Indiana, is a moderately hot summer month, with an average temperature fluctuating between 81.1°F (27.3°C) and 64°F (17.8°C). West Lafayette's temperature records reveal July as the warmest month, marked by average highs of 81.1°F (27.3°C) and lows of 64°F (17.8°C). The heat index value during July is appraised at a tropical 87.8°F (31°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in West Lafayette, Indiana, with an average temperature fluctuating between 62.8°F (17.1°C) and 80.2°F (26.8°C). August's onset sees an average high-temperature of a still moderately hot 80.2°F (26.8°C), exhibiting a slight fluctuation from the previous month. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in West Lafayette, Indiana, with an average temperature varying between 75.6°F (24.2°C) and 57°F (13.9°C). The transition from August to September sees average high-temperatures adjusting to a still moderately hot 75.6°F (24.2°C), from a not significantly different 80.2°F (26.8°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in West Lafayette, Indiana, with an average temperature ranging between max 62.8°F (17.1°C) and min 46.9°F (8.3°C). October's onset brings a slight change in high-temperatures, falling from a moderately hot 75.6°F (24.2°C) in September to a comfortable 62.8°F (17.1°C). Weather in October »

Weather in November

November, the last month of the autumn in West Lafayette, is another chilly month, with an average temperature varying between 35.1°F (1.7°C) and 48.2°F (9°C). November witnesses a clear temperature decrease, falling from an enjoyable 62.8°F (17.1°C) in October to a chilly 48.2°F (9°C). Weather in November »

Weather in December

December, the first month of the winter in West Lafayette, is also a wintry month, with an average temperature ranging between max 37.6°F (3.1°C) and min 27.3°F (-2.6°C). Start of December brings a shift in the average high-temperature, falling from November's chilly 48.2°F (9°C) to a wintry 37.6°F (3.1°C). Weather in December »
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Frequently asked questions

What are the coldest months in West Lafayette?

With an average high-temperature of 31.8°F (-0.1°C) and an average low-temperature of 19.8°F (-6.8°C), January is the coldest month in West Lafayette, Indiana.

How much does it rain in West Lafayette?

In West Lafayette, Indiana, during the entire year, the rain falls for 153.1 days and collects up to 22.13" (562mm) of precipitation.

When does it snow in West Lafayette?

January through April, November and December are months with snowfall in West Lafayette, Indiana.

What is the snowiest month in West Lafayette?

The months with the most snowfall in West Lafayette, Indiana, are January and February, with an average 2.44" (62mm) of accumulated snow.

How much does it snow in West Lafayette?

Throughout the year, in West Lafayette, Indiana, there are 38.6 snowfall days, and 8.39" (213mm) of snow is accumulated.

What is the month with the least sunshine in West Lafayette?

With an average of 3.9h of sunshine, January has the least sunshine of the year in West Lafayette.

When is Daylight Saving Time (DST) in West Lafayette?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in West Lafayette, 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 wettest month in West Lafayette?

The months with the most rainfall are April and May, with an average 2.8" (71mm) of precipitation.

When it does not snow in West Lafayette?

In West Lafayette, snow does not fall in May through October.

When are the longest days in West Lafayette?

June has the longest days of the year in West Lafayette, with an average of 15h and 0min of daylight.

What are the months with the most sunshine in West Lafayette?

June and July, with an average of 9.9h of sunshine, are months with the most sunshine.

What is the month with the highest UV index in West Lafayette?

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

What are the warmest months in West Lafayette?

July, recording an average high temperature of 81.1°F (27.3°C) and a low temperature of 64°F (17.8°C), is West Lafayette's warmest month.

What is the most humid month in West Lafayette?

The most humid month in West Lafayette is July, with an average relative humidity of 84%.

What is the driest month in West Lafayette?

The month with the least rainfall in West Lafayette is September, when the rain falls for 11.2 days and typically collects 1.1" (28mm) of precipitation.

What is the least humid month in West Lafayette?

With an average relative humidity of 73%, October is the least humid month in West Lafayette, Indiana.

What is the month with the shortest days in West Lafayette?

The month with the shortest days in West Lafayette is December, with an average of 9h and 18min of daylight.

What is the month with the lowest UV index in West Lafayette?

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

Average temperature
West Lafayette, IN

Average temperature - West Lafayette, 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 (31.8°F).

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure
West Lafayette, IN

Average pressure - West Lafayette, IN

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

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Average wind speed
West Lafayette, IN

Average wind speed - West Lafayette, IN

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

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Average humidity
West Lafayette, IN

Average humidity - West Lafayette, IN

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

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Average rainfall
West Lafayette, IN

Average rainfall - West Lafayette, IN

The wettest months (with the highest rainfall) are April and May (2.8").
The driest month (with the least rainfall) is September (1.1").

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Average rainfall days
West Lafayette, IN

Average rainfall days - West Lafayette, IN

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (6.5 days).

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Average snowfall
West Lafayette, IN

Average snowfall - West Lafayette, IN

The months with the highest snowfall are January and February (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
West Lafayette, IN

Average snowfall days - West Lafayette, IN

The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
West Lafayette, IN

Average daylight / Average sunshine - West Lafayette, IN

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

The months with the most sunshine are June and July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days
West Lafayette, IN

Average sunshine days - West Lafayette, IN

The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is May (9.8 days).

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Average visibility
West Lafayette, IN

Average visibility - West Lafayette, IN

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

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West Lafayette, Indiana, USA

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