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Contents
- The climate of Lafayette
- The best time to visit Lafayette
- The worst time to visit Lafayette
- Spring weather in Lafayette
- Summer weather in Lafayette
- Autumn weather in Lafayette
- Winter weather in Lafayette
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Lafayette
Lafayette, Indiana, USA rests within the region classified by Köppen Climate Classification as Dfa, which signifies a Humid Continental climate. Positioned in the humid belt, this location experiences no dry season with hot summers. This particular weather pattern provides a notable variation within annual weather conditions.
Significant fluctuations appear to be the rule, rather than the exception in Lafayette. Sweeping from a chilly 19.8°F (-6.8°C) in January to a warm 81.1°F (27.3°C) in July, temperatures in this region shift dramatically. This wide berth in temperatures translates into a variety of weather experiences over the year, punctuated by unique and distinctive weather patterns.
As a trend, rainfall appears more frequent during the warmer months, with May seeing the highest precipitation of 2.8" (71mm). However, this does not signify a dry period during colder seasons. Rainfall ranges from 1.1" (28mm) in the drier month of September to the aforementioned 2.8" (71mm) in May. Amid variability, snowfall emerges as a definitive seasonal pattern. Lafayette witnesses a stark drop in snowfall post-April, with the chart flatlining from May to November.
Another key weather component to examine is wind speeds. Here, the highest gusts are encountered during early months of the year, reaching 16.3mph (26.2km/h) in January. Meanwhile, the calmest period aligns with summer months, where wind gusts drop to 10.3mph (16.6km/h).
Significant fluctuations appear to be the rule, rather than the exception in Lafayette. Sweeping from a chilly 19.8°F (-6.8°C) in January to a warm 81.1°F (27.3°C) in July, temperatures in this region shift dramatically. This wide berth in temperatures translates into a variety of weather experiences over the year, punctuated by unique and distinctive weather patterns.
As a trend, rainfall appears more frequent during the warmer months, with May seeing the highest precipitation of 2.8" (71mm). However, this does not signify a dry period during colder seasons. Rainfall ranges from 1.1" (28mm) in the drier month of September to the aforementioned 2.8" (71mm) in May. Amid variability, snowfall emerges as a definitive seasonal pattern. Lafayette witnesses a stark drop in snowfall post-April, with the chart flatlining from May to November.
Another key weather component to examine is wind speeds. Here, the highest gusts are encountered during early months of the year, reaching 16.3mph (26.2km/h) in January. Meanwhile, the calmest period aligns with summer months, where wind gusts drop to 10.3mph (16.6km/h).
The best time to visit Lafayette
While personal preferences play a large role in determining the ideal time to visit, from a strictly climatic perspective, exploring Lafayette between May and September offers optimal conditions. During this period, the warmth is at its peak, averaging 71.6°F (22°C) to 80.2°F (26.8°C) with ample daylight, ranging from 14.4 hours to 15 hours. Additionally, it is when the wind speeds are at their calmest, contributing to pleasant outdoor experiences.
The worst time to visit Lafayette
Taking into account climatic factors alone, it becomes apparent that the initial months of the year might not be the best choice for a tour in Lafayette. From January to March, the city faces the lowest temperatures from 19.8°F (-6.8°C) to 33.4°F (0.8°C), combined with snowfall ranging from 2.44" (62mm) to 1.02" (26mm). Plus, January and February witness the highest gust speeds of 16.3mph (26.2km/h) and 16mph (25.7km/h) respectively, potentially exacerbating the chilly conditions and setting the stage for blustery winter days.
Spring weather in Lafayette
Spring in Lafayette is characterized by a gradual rise in temperature from a moderate 48.7°F (9.3°C) in March to a pleasant 60.3°F (15.7°C) in April. The warm-up period is accompanied by lengths of daylight extending from 12 hours to 13.3 hours. Rainfall during these months sees an increase, with April expecting the highest precipitation of 2.8" (71mm).
Summer weather in Lafayette
Summertime in Lafayette extends from cozy to hot, with temperatures escalating steadily from 71.6°F (22°C) in May to about 81.1°F (27.3°C) in July. This is also when days stretch the longest, with sunlight hours peaking at 15 hours. Moderately low wind speeds enhance an overall sense of comforting tranquility during summers in Lafayette.
Autumn weather in Lafayette
Autumn draws in a cooling trend in Lafayette, as temperatures decline from 75.6°F (24.2°C) in September to a milder 62.8°F (17.1°C) in October. It also sees a gradual reduction in daylight, from 12.4 hours in September to 11.1 hours in October. With a slight dip in rainfall, autumn provides an inviting atmosphere for outdoor activities.
Winter weather in Lafayette
Winters in Lafayette are enveloped by chill, entrenched in temperatures as low as 37.6°F (3.1°C) in December and reaching a harsh minimum of 19.8°F (-6.8°C) in January. Snow is expectantly seen, with November to January having snowfall measurements between 0.47" (12mm) to 2.44" (62mm). Daylight becomes scarce during these months, sinking as low as 9.3 hours in December. The colder months thus pose as a genuinely classic winter experience in Lafayette.
Weather in January
January weather in Lafayette, Indiana, starts the year with a chill, characterized by snowfall and cold temperatures. It is indeed winter's peak, with the lower temperatures diving to around 19.8°F (-6.8°C). The frosty air is felt alongside an increased cloud cover of 60% and lessened daylight of about 9.7 hours. Weather in January »
Weather in February
February still carries winter's icy touch, albeit a bit milder compared to January. The mercury begins a subtle increase, with the higher temperatures reaching to approximately 36.3°F (2.4°C). Despite this, snowfall continues to be present, marking off the winter season. Weather in February »
Weather in March
March brings a shift in Lafayette's climate as the city gradually transitions from winter to spring. The onset of warmer temperatures is noticeable, with the highs reaching approximately 48.7°F (9.3°C). The longer days marked by about 12 hours of daylight pave the way for spring regeneration and flourishing green landscapes. Weather in March »
Weather in April
April traditionally brings mild and pleasant weather to Lafayette, indicating a full swing into spring. Temperatures continue their upward trend, reaching highs of around 60.3°F (15.7°C). This month marks a clear departure from winter with an absence of snowfall, replaced by increased rainfall which contributes to the full bloom of flowers. Weather in April »
Weather in May
May exemplifies consistent spring weather, featuring moderate temperatures and scattered showers. The temperatures keep rising, with the higher values hitting about 71.6°F (22°C). May's warmth encourages outdoor adventures and coincides with an impressive progression of daylight hours. Weather in May »
Weather in June
June in Lafayette signals the beginning of summer, characterized by high temperatures, long light-filled days, and infrequent rain showers. Lafayette experiences the hottest temperatures of about 79.3°F (26.3°C), as we observe the start of the summer season. Weather in June »
Weather in July
July is typically the warmest month in Lafayette, with a rise in both temperature and humidity. The thermometer peaks with high values of around 81.1°F (27.3°C), making it the most blazing month. Despite these higher temperatures, the month allows: slight alleviation with a relative decrease in the average daily sunshine duration. Weather in July »
Weather in August
August weather in Lafayette continues the summer trend with warm temperatures although a slow cooling trend begins towards the month's end. The city continues to experience summer heat, with high temperatures reaching around 80.2°F (26.8°C). Weather in August »
Weather in September
September marks the onset of fall and brings a significant change to Lafayette's weather pattern. Temperatures start to decrease, with the highs dropping to about 75.6°F (24.2°C). The shift in weather is apparent with noticeably shorter days and a drop in humidity levels. Weather in September »
Weather in October
October presents a full immersion into fall with a noticeable drop in temperature and shorter daylight hours in Lafayette. Compared to September, the mercury sees a significant drop, sensing the highs at around 62.8°F (17.1°C). Weather in October »
Weather in November
November brings a notable change in Lafayette, transitioning from the crisp atmosphere of fall to the initial chill of winter. Temperatures continue their decline reaching highs of approximately 48.2°F (9°C). November often means packing away fall attire and bringing out warm winter wear. Weather in November »
Weather in December
December culminates the year with the arrival of winter, low temperatures, and brief daylight hours in Lafayette. Notable is the considerable dip in the thermometer, with high temperatures merely reaching 37.6°F (3.1°C). As a sign of the holiday season, snowfall reintroduces itself, casting a stunning white blanket over the city. Weather in December »
Updated: Aug 25, 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
What is the coldest month?
January, on average, is the coldest month, registering a high temperature of 31.8°F (-0.1°C) and a low of 19.8°F (-6.8°C).
How many days does it rain?
In 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?
Months with snowfall are January through April, November and December.
When does it snow the most?
The months with the most snowfall are January and February, with an average 2.44" (62mm) of accumulated snow.
How much does it snow?
Throughout the year, there are 38.6 snowfall days, and 8.39" (213mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 3.9h of sunshine.
When is Daylight Saving Time (DST) in Lafayette?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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?
The wettest months are April and May, with an average 2.8" (71mm) of rainfall.
When it does not snow?
In Lafayette, snow does not fall in May through October.
When are the longest days in Lafayette?
With an average of 15h and 0min of daylight, June has the longest days of the year.
What are the months with the most sunshine?
June and July, with an average of 9.9h of sunshine, are months with the most sunshine.
When is the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What time of the year is the hottest?
July, marked by an average high-temperature of 81.1°F (27.3°C) and a low-temperature of 64°F (17.8°C), is the warmest month.
What is the most humid month?
The most humid month in Lafayette is July, with an average relative humidity of 84%.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 11.2 days and typically collects 1.1" (28mm) of precipitation.
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 18min of daylight, December has the shortest days of the year in Lafayette, Indiana.
When is the lowest UV index?
The month with the lowest UV index is December, with an average maximum UV index of 1.
Average temperature
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).
Average pressure
Lafayette, IN
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Lafayette, IN
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.1mph - Average wind speed in March:
9.8mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.5mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.2mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7.1mph - Average wind speed in October:
8.9mph - Average wind speed in November:
9.6mph - Average wind speed in December:
9.6mph
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).
Average humidity
Lafayette, IN
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).
Average rainfall
Lafayette, IN
- Average rainfall in January:
1.34" - Average rainfall in February:
1.14" - Average rainfall in March:
2.09" - Average rainfall in April:
2.8" - Average rainfall in May:
2.8" - Average rainfall in June:
2.4"
The wettest months (with the highest rainfall) are April and May (2.8").
The driest month (with the least rainfall) is September (1.1").
Average rainfall days
Lafayette, IN
- Average rainfall days in January:
7 days - Average rainfall days in February:
6.5 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
15.8 days - Average rainfall days in May:
18.5 days - Average rainfall days in June:
17.2 days
- Average rainfall days in July:
17.4 days - Average rainfall days in August:
16 days - Average rainfall days in September:
11.2 days - Average rainfall days in October:
12.2 days - Average rainfall days in November:
9.6 days - Average rainfall days in December:
8.9 days
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).
Average snowfall
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").
Average snowfall days
Lafayette, IN
- Average snowfall days in January:
11.1 days - Average snowfall days in February:
9.3 days - Average snowfall days in March:
4.8 days - Average snowfall days in April:
1.3 days - Average snowfall days in May:
0.1 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:
0.3 days - Average snowfall days in November:
2.6 days - Average snowfall days in December:
9.1 days
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).
Average daylight / Average sunshine
Lafayette, IN
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
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).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
5h and 1min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 1min - Average sunshine in September:
8h and 1min - Average sunshine in October:
6h and 3min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 2min
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).
Average sunshine days
Lafayette, IN
- Average sunshine days in January:
13.9 days - Average sunshine days in February:
12.5 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
11.3 days - Average sunshine days in May:
9.8 days - Average sunshine days in June:
10.2 days
- Average sunshine days in July:
10 days - Average sunshine days in August:
11.8 days - Average sunshine days in September:
14.9 days - Average sunshine days in October:
17.2 days - Average sunshine days in November:
18.3 days - Average sunshine days in December:
15.1 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is May (9.8 days).
Average UV index
Lafayette, IN
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Lafayette, IN
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are June and August (Cloud cover 33).
Average visibility
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).
Lafayette, Indiana, USA
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