Climate and monthly weather forecast
West Lafayette, OH

Weather in January

January, like December, in West Lafayette, Ohio, is another cold winter month, with an average temperature varying between 19.9°F (-6.7°C) and 32.7°F (0.4°C). The coldest month is January, with an average high-temperature of 32.7°F (0.4°C) and an average low-temperature of 19.9°F (-6.7°C). Weather in January »

Weather in February

February, the last month of the winter in West Lafayette, is another cold month, with an average temperature fluctuating between 37°F (2.8°C) and 23°F (-5°C). In West Lafayette, Ohio, the average high-temperature in February is practically the same as in January - a still wintry 37°F (2.8°C). Weather in February »

Weather in March

March, the first month of the spring in West Lafayette, is a chilly month, with an average temperature fluctuating between 48°F (8.9°C) and 31.8°F (-0.1°C). In West Lafayette, the average high-temperature in March increases from a wintry 37°F (2.8°C) in February to a frosty 48°F (8.9°C). Weather in March »

Weather in April

April in West Lafayette, Ohio, is a moderate spring month, with temperature in the range of an average low of 41.4°F (5.2°C) and an average high of 60.3°F (15.7°C). In April, the average high-temperature rises from a chilly 48°F (8.9°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 an agreeable month in West Lafayette, Ohio, with an average temperature fluctuating between 71.6°F (22°C) and 51.4°F (10.8°C). In West Lafayette, the average high-temperature in May increases from a moderate 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 moderately hot month in West Lafayette, Ohio, with an average temperature varying between 58.6°F (14.8°C) and 78.6°F (25.9°C). In West Lafayette, the average high-temperature in June marginally rises from a pleasant 71.6°F (22°C) in May to a moderately hot 78.6°F (25.9°C). Weather in June »

Weather in July

July, like June, in West Lafayette, Ohio, is another warm summer month, with an average temperature ranging between min 62.2°F (16.8°C) and max 82.9°F (28.3°C). The warmest month is July, with an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 62.2°F (16.8°C). The average heat index in July is calculated to be a hot 91.4°F (33°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in West Lafayette, Ohio, with temperature in the range of an average high of 81.5°F (27.5°C) and an average low of 60.4°F (15.8°C). In August, the average high-temperature is essentially the same as in July - a still warm 81.5°F (27.5°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in West Lafayette, Ohio, with an average temperature varying between 75.2°F (24°C) and 55°F (12.8°C). In West Lafayette, the average high-temperature in September marginally drops from 81.5°F (27.5°C) in August to a still warm 75.2°F (24°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in West Lafayette, Ohio, with temperature in the range of an average low of 44.6°F (7°C) and an average high of 62.4°F (16.9°C). In West Lafayette, the average high-temperature in October drops from a warm 75.2°F (24°C) in September to an enjoyable 62.4°F (16.9°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in West Lafayette, Ohio, with an average temperature ranging between min 34°F (1.1°C) and max 49.1°F (9.5°C). In November, the average high-temperature drops from a comfortable 62.4°F (16.9°C) in October to a chilly 49.1°F (9.5°C). Weather in November »

Weather in December

December, the first month of the winter in West Lafayette, is still a cold month, with an average temperature varying between 28.2°F (-2.1°C) and 39.2°F (4°C). In December, the average high-temperature decreases from a chilly 49.1°F (9.5°C) in November to a wintry 39.2°F (4°C). Weather in December »
[Resources]

FAQ

What is the coldest month in West Lafayette?

The coldest month in West Lafayette is January, with an average high-temperature of 32.7°F (0.4°C) and an average low-temperature of 19.9°F (-6.7°C).

What is the most humid month in West Lafayette?

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

How much does it rain in West Lafayette?

Throughout the year, in West Lafayette, there are 137.2 rainfall days, and 17.6" (447mm) of precipitation is accumulated.

When does it snow in West Lafayette?

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

How many days does it snow in West Lafayette?

Throughout the year, there are 33.4 snowfall days, and 7.56" (192mm) of snow is accumulated.

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

January has the least sunshine of the year in West Lafayette, Ohio, with an average of 3.4h of sunshine.

When is the lowest UV index in West Lafayette?

The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2.

What is the snowiest month in West Lafayette?

The month with the most snowfall is February, when snow falls for 8.7 days and typically aggregates up to 2.32" (59mm) of snow.

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

On Sunday, March 12. 2023, 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 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.

What are the least humid months in West Lafayette?

April and November, with an average relative humidity of 77%, are the least humid months.

What is the rainiest month in West Lafayette?

May is the month with the most rainfall in West Lafayette, Ohio. Rain falls for 16.4 days and accumulates 2.01" (51mm) of precipitation.

When it does not snow in West Lafayette?

May through October are months without snowfall in West Lafayette, Ohio.

When are the longest days in West Lafayette?

The month with the longest days is June, with an average of 15h and 0min of daylight.

When is the highest UV index in West Lafayette?

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

What is the warmest month in West Lafayette?

July is the warmest month in West Lafayette, with an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 62.2°F (16.8°C).

What month has the most sunshine in West Lafayette?

With an average of 10.4h of sunshine, August has the most sunshine of the year in West Lafayette, Ohio.

What is the driest month in West Lafayette?

September is the month with the least rainfall. Rain falls for 10.8 days and accumulates 0.98" (25mm) of precipitation.

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

With an average of 9h and 22min of daylight, December has the shortest days of the year.

Average temperature
West Lafayette, OH

Average temperature - West Lafayette, OH

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (32.7°F).

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).

[Resources]

Average pressure
West Lafayette, OH

Average pressure - West Lafayette, OH

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

[Resources]

Average wind speed
West Lafayette, OH

Average wind speed - West Lafayette, OH

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

[Resources]

Average humidity
West Lafayette, OH

Average humidity - West Lafayette, OH

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are April and November (77%).

[Resources]

Average rainfall
West Lafayette, OH

Average rainfall - West Lafayette, OH

The wettest month (with the highest rainfall) is May (2.01").
The driest month (with the least rainfall) is September (0.98").

[Resources]

Average rainfall days
West Lafayette, OH

Average rainfall days - West Lafayette, OH

The month with the highest number of rainy days is May (16.4 days).
The months with the least rainy days are February and November (7.7 days).

[Resources]

Average snowfall
West Lafayette, OH

Average snowfall - West Lafayette, OH

The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

Average snowfall days
West Lafayette, OH

Average snowfall days - West Lafayette, OH

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

[Resources]

Average daylight / Average sunshine
West Lafayette, OH

Average daylight / Average sunshine - West Lafayette, OH

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 22min).

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

[Resources]

Average sunshine days
West Lafayette, OH

Average sunshine days - West Lafayette, OH

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (11 days).

[Resources]

Average UV index
West Lafayette, OH

Average UV index - West Lafayette, OH

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

[Resources]

Average visibility
West Lafayette, OH

Average visibility - West Lafayette, OH

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

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location