Annual mean 12°C · wettest around April · prevailing wind SW
Warmest
27.7 °C
Coldest
-1.8 °C
Wettest
31%
Windiest
5.6 m/s
Prevailing
SW
4.4 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in West Lafayette over the whole year is 12°C. July is the hottest month, with highs of about 27°C; January is the coldest, with lows of about -4°C. West Lafayette has no sharply defined rainy season: the chance of rain on a given day runs from 26% in February, the driest month, to 29% in April, the wettest. Winds in West Lafayette are highest in March, averaging 4.1 m/s (15 km/h), and lightest in August, at 2.0 m/s (7 km/h). The prevailing wind is from the SW. The clearest skies in West Lafayette come in June, when the sky is typically 31% covered; January is the cloudiest month, at 62%.
Month by month West Lafayette climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
-1°C
-4°C
-6°C
27%
62%
3.9 m/s
0
0
4
February
3°C
-2°C
-3°C
26%
51%
3.9 m/s
2
0
14
March
9°C
2°C
3°C
29%
50%
4.1 m/s
10
0
31
April
14°C
7°C
10°C
29%
46%
3.9 m/s
29
2
56
May
21°C
14°C
19°C
28%
43%
3.3 m/s
61
21
60
June
27°C
19°C
26°C
27%
31%
2.8 m/s
56
49
29
July
27°C
20°C
29°C
27%
32%
2.2 m/s
39
66
11
August
27°C
19°C
28°C
27%
31%
2.0 m/s
48
59
19
September
25°C
15°C
24°C
26%
31%
2.3 m/s
61
44
40
October
18°C
9°C
14°C
27%
41%
2.9 m/s
45
10
63
November
9°C
3°C
4°C
26%
45%
3.4 m/s
11
0
35
December
3°C
-1°C
-2°C
27%
56%
3.6 m/s
1
0
11
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short West Lafayette weather by season
Year round, West Lafayette has days of about -1°C at their warmest in January, its coolest month, and 27°C in July, its warmest; the coolest hours of the day run from -4°C to 20°C through the year, and the average temperature over the year is 12°C around the clock. Rain is most likely around April and least likely around February. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
West Lafayette weather in winterDecember to February
High 2°CLow -2°CRain 27%
Winter in West Lafayette has typical daily highs of about 2°C and lows of about -2°C, with a 27% chance of rain on a given day.
West Lafayette weather in springMarch to May
High 15°CLow 8°CRain 29%
Spring in West Lafayette has typical daily highs of about 15°C and lows of about 8°C, with a 29% chance of rain on a given day.
West Lafayette weather in summerJune to August
High 27°CLow 19°CRain 27%
Summer in West Lafayette has typical daily highs of about 27°C and lows of about 19°C, with a 27% chance of rain on a given day.
West Lafayette weather in autumnSeptember to November
High 17°CLow 9°CRain 26%
Autumn in West Lafayette has typical daily highs of about 17°C and lows of about 9°C, with a 26% chance of rain on a given day.
When is the rainy season in West Lafayette?
West Lafayette has no sharply defined rainy season: the chance of rain on a given day runs from 26% in February, the driest month, to 29% in April, the wettest.
What time of year is West Lafayette windiest?
Winds in West Lafayette are highest in March, averaging 4.1 m/s (15 km/h), and lightest in August, at 2.0 m/s (7 km/h). The prevailing wind is from the SW.
What is the average temperature in West Lafayette year round?
The average temperature in West Lafayette over the whole year is 12°C. July is the hottest month, with highs of about 27°C; January is the coldest, with lows of about -4°C.