Climate and monthly weather forecastWest Lafayette, OH
Climate and monthly weather forecast
Weather in January
January, like December, in West Lafayette, Ohio, is a wintry winter month, with temperature in the range of an average low of 19.9°F (-6.7°C) and an average high of 32.7°F (0.4°C). The month of January, characterized by an average high of 32.7°F (0.4°C) and a low of 19.9°F (-6.7°C), is recognized as the coldest. Weather in January »Weather in February
The last month of the winter, February, is also a wintry month in West Lafayette, Ohio, with an average temperature ranging between max 37°F (2.8°C) and min 23°F (-5°C). February's climate shows a minor adjustment in average high-temperatures to a still icy 37°F (2.8°C) from January's 32.7°F (0.4°C). Weather in February »Weather in March
March, the first month of the spring in West Lafayette, is a chilly month, with temperature in the range of an average high of 48°F (8.9°C) and an average low of 31.8°F (-0.1°C). The start of March brings a shift in the average high-temperature, increasing from February's wintry 37°F (2.8°C) 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 an average temperature fluctuating between 60.3°F (15.7°C) and 41.4°F (5.2°C). The onset of April brings a temperature shift, with the average high-temperature moving from a frosty 48°F (8.9°C) in March to a moderate 60.3°F (15.7°C). Weather in April »Weather in May
May, the last month of the spring in West Lafayette, is an agreeable month, with an average temperature fluctuating between 71.6°F (22°C) and 51.4°F (10.8°C). May's arrival sees a rise in the average high-temperature, jumping from April's mild 60.3°F (15.7°C) to a pleasant 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 ranging between max 78.6°F (25.9°C) and min 58.6°F (14.8°C). The arrival of June brings a soft temperature shift, with the average high-temperature nudging from an agreeable 71.6°F (22°C) in May to a warm 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 temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 82.9°F (28.3°C). July proves to be the warmest month, recording an average peak temperature of 82.9°F (28.3°C) and a minimum temperature of 62.2°F (16.8°C). In July, the heat index is computed to be a tropical 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 an average temperature varying between 81.5°F (27.5°C) and 60.4°F (15.8°C). August's advent notes a subtle adjustment in average high-temperature to a still moderately hot 81.5°F (27.5°C) from July. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in West Lafayette, Ohio, with an average temperature ranging between min 55°F (12.8°C) and max 75.2°F (24°C). The advent of September brings a slight shift in average high-temperature, moving 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, like September, in West Lafayette, Ohio, is another enjoyable autumn month, 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). October brings a decrease in the average high-temperature, shifting from a warm 75.2°F (24°C) in September to a comfortable 62.4°F (16.9°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in West Lafayette, Ohio, with an average temperature ranging between max 49.1°F (9.5°C) and min 34°F (1.1°C). With November's arrival, West Lafayette's weather changes as the average high-temperature falls from an enjoyable 62.4°F (16.9°C) in October to a frosty 49.1°F (9.5°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in West Lafayette, Ohio, with temperature in the range of an average high of 39.2°F (4°C) and an average low of 28.2°F (-2.1°C). December brings a drop in West Lafayette's average high-temperature, falling from a chilly 49.1°F (9.5°C) in November to a cold 39.2°F (4°C). Weather in December »Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January, with an average high of 32.7°F (0.4°C) and a low of 19.9°F (-6.7°C), signifies the coldest month of the year.
January and February, with an average relative humidity of 84%, are most humid months.
Throughout the year, there are 137.2 rainfall days, and 17.6" (447mm) of precipitation is accumulated.
January through April, November and December are months with snowfall in West Lafayette, Ohio.
In West Lafayette, during the entire year, snow falls for 33.4 days and aggregates up to 7.56" (192mm) of snow.
With an average of 3.4h of sunshine, January has the least sunshine of the year.
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in West Lafayette, Ohio.
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.
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.
The months with the lowest humidity are April and November, with an average relative humidity of 77%.
The month with the most rainfall is May, when the rain falls for 16.4 days and typically aggregates up to 2.01" (51mm) of precipitation.
May through October are months without snowfall.
June has the longest days of the year, with an average of 15h and 0min of daylight.
June and July, with an average maximum UV index of 6, are months with the highest UV index in West Lafayette.
In West Lafayette, temperatures reach their average annual highs in July, measuring 82.9°F (28.3°C) and a minimum average of 62.2°F (16.8°C).
August has the most sunshine of the year, with an average of 10.4h of sunshine.
September is the month with the least rainfall in West Lafayette. Rain falls for 10.8 days and accumulates 0.98" (25mm) of precipitation.
The month with the shortest days is December, with an average of 9h and 24min of daylight.
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).
Average pressure
West Lafayette, OH
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
West Lafayette, OH
- Average wind speed in January:
8.3mph - Average wind speed in February:
8mph - Average wind speed in March:
7.6mph - Average wind speed in April:
7.8mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.3mph - Average wind speed in October:
6.6mph - Average wind speed in November:
7.2mph - Average wind speed in December:
7.6mph
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).
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%).
Average rainfall
West Lafayette, OH
- Average rainfall in January:
1.1" - Average rainfall in February:
1.42" - Average rainfall in March:
1.69" - Average rainfall in April:
1.65" - Average rainfall in May:
2.01" - Average rainfall in June:
1.69"
- Average rainfall in July:
1.81" - Average rainfall in August:
1.22" - Average rainfall in September:
0.98" - Average rainfall in October:
1.22" - Average rainfall in November:
1.42" - Average rainfall in December:
1.38"
The wettest month (with the highest rainfall) is May (2.01").
The driest month (with the least rainfall) is September (0.98").
Average rainfall days
West Lafayette, OH
- Average rainfall days in January:
8.1 days - Average rainfall days in February:
7.7 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
14.3 days - Average rainfall days in May:
16.4 days - Average rainfall days in June:
13.6 days
- Average rainfall days in July:
15 days - Average rainfall days in August:
12.6 days - Average rainfall days in September:
10.8 days - Average rainfall days in October:
9.7 days - Average rainfall days in November:
7.7 days - Average rainfall days in December:
9 days
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).
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").
Average snowfall days
West Lafayette, OH
- Average snowfall days in January:
9.8 days - Average snowfall days in February:
8.7 days - Average snowfall days in March:
5.3 days - Average snowfall days in April:
1.3 days - Average snowfall days in May:
0.2 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
2.4 days - Average snowfall days in December:
5.7 days
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).
Average daylight / Average sunshine
West Lafayette, OH
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 24min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 24min
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 24min).
- Average sunshine in January:
3h and 24min - Average sunshine in February:
4h and 12min - Average sunshine in March:
5h and 48min - Average sunshine in April:
7h and 36min - Average sunshine in May:
8h and 48min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 24min - Average sunshine in September:
8h and 24min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 18min - Average sunshine in December:
3h and 48min
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).
Average sunshine days
West Lafayette, OH
- Average sunshine days in January:
16.7 days - Average sunshine days in February:
14 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
12.9 days - Average sunshine days in May:
11 days - Average sunshine days in June:
13.2 days
- Average sunshine days in July:
12.4 days - Average sunshine days in August:
14.8 days - Average sunshine days in September:
17.1 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
19.9 days - Average sunshine days in December:
17.5 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (11 days).
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).
Average cloud cover
West Lafayette, OH
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 32).
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).
