Annual mean 9°C · wettest around September · prevailing wind NE
Warmest
28.5 °C
Coldest
1.7 °C
Wettest
80%
Windiest
3.7 m/s
Prevailing
NE
3.0 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 Lafayette over the whole year is 9°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -6°C. Lafayette has no sharply defined rainy season: the chance of rain on a given day runs from 19% in January, the driest month, to 34% in September, the wettest. Winds in Lafayette are highest in February, averaging 2.8 m/s (10 km/h), and lightest in September, at 1.8 m/s (6 km/h). The prevailing wind is from the NE. The clearest skies in Lafayette come in July, when the sky is typically 22% covered; May is the cloudiest month, at 39%.
Month by month 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
2°C
-6°C
-2°C
19%
29%
2.3 m/s
0
0
12
February
3°C
-5°C
-2°C
26%
31%
2.8 m/s
2
0
19
March
8°C
-2°C
4°C
21%
36%
2.7 m/s
7
0
37
April
12°C
2°C
8°C
24%
36%
2.8 m/s
25
0
55
May
16°C
7°C
14°C
34%
39%
2.3 m/s
49
5
67
June
25°C
14°C
23°C
22%
25%
2.2 m/s
65
41
40
July
28°C
16°C
27°C
20%
22%
2.1 m/s
46
70
15
August
27°C
14°C
25°C
21%
22%
2.0 m/s
59
62
24
September
23°C
10°C
21°C
34%
22%
1.8 m/s
68
32
48
October
15°C
3°C
12°C
32%
24%
2.1 m/s
42
2
64
November
9°C
-1°C
5°C
24%
22%
2.2 m/s
14
0
42
December
5°C
-4°C
0°C
31%
23%
2.5 m/s
1
0
22
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 Lafayette weather by season
Year round, Lafayette has days of about 2°C at their warmest in January, its coolest month, and 28°C in July, its warmest; the coolest hours of the day run from -6°C to 16°C through the year, and the average temperature over the year is 9°C around the clock. Rain is most likely around September and least likely around January. 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.
Lafayette weather in winterDecember to February
High 3°CLow -5°CRain 25%
Winter in Lafayette has typical daily highs of about 3°C and lows of about -5°C, with a 25% chance of rain on a given day.
Lafayette weather in springMarch to May
High 12°CLow 2°CRain 26%
Spring in Lafayette has typical daily highs of about 12°C and lows of about 2°C, with a 26% chance of rain on a given day.
Lafayette weather in summerJune to August
High 26°CLow 15°CRain 21%
Summer in Lafayette has typical daily highs of about 26°C and lows of about 15°C, with a 21% chance of rain on a given day.
Lafayette weather in autumnSeptember to November
High 16°CLow 4°CRain 30%
Autumn in Lafayette has typical daily highs of about 16°C and lows of about 4°C, with a 30% chance of rain on a given day.
When is the rainy season in Lafayette?
Lafayette has no sharply defined rainy season: the chance of rain on a given day runs from 19% in January, the driest month, to 34% in September, the wettest.
What time of year is Lafayette windiest?
Winds in Lafayette are highest in February, averaging 2.8 m/s (10 km/h), and lightest in September, at 1.8 m/s (6 km/h). The prevailing wind is from the NE.
What is the average temperature in Lafayette year round?
The average temperature in Lafayette over the whole year is 9°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -6°C.