Annual mean 9°C · wettest around February · prevailing wind W
Warmest
29.3 °C
Coldest
0.9 °C
Wettest
20%
Windiest
4.2 m/s
Prevailing
W
3.2 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 La Grande over the whole year is 9°C. July is the hottest month, with highs of about 28°C; February is the coldest, with lows of about -2°C. La Grande has no sharply defined rainy season: the chance of rain on a given day runs from 7% in July, the driest month, to 17% in February, the wettest. Winds in La Grande are highest in January, averaging 2.9 m/s (10 km/h), and lightest in September, at 2.1 m/s (8 km/h). The prevailing wind is from the W. The clearest skies in La Grande come in July, when the sky is typically 6% covered; December is the cloudiest month, at 58%.
Month by month La Grande 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
-2°C
-3°C
16%
55%
2.9 m/s
0
0
3
February
3°C
-2°C
-2°C
17%
56%
2.8 m/s
0
0
9
March
8°C
-0°C
3°C
16%
47%
2.7 m/s
2
0
27
April
12°C
2°C
8°C
16%
40%
2.8 m/s
16
0
56
May
17°C
8°C
14°C
14%
34%
2.7 m/s
46
5
73
June
22°C
12°C
19°C
12%
24%
2.5 m/s
67
21
66
July
28°C
14°C
25°C
7%
6%
2.3 m/s
67
57
35
August
27°C
12°C
24°C
9%
10%
2.2 m/s
69
52
40
September
21°C
7°C
18°C
10%
22%
2.1 m/s
68
19
70
October
14°C
3°C
10°C
14%
34%
2.3 m/s
30
1
67
November
7°C
1°C
2°C
14%
47%
2.8 m/s
2
0
24
December
2°C
-2°C
-3°C
16%
58%
2.9 m/s
0
0
4
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 La Grande weather by season
Year round, La Grande 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 -2°C to 14°C through the year, and the average temperature over the year is 9°C around the clock. Rain is most likely around February and least likely around July. 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.
La Grande weather in winterDecember to February
High 2°CLow -2°CRain 16%
Winter in La Grande has typical daily highs of about 2°C and lows of about -2°C, with a 16% chance of rain on a given day.
La Grande weather in springMarch to May
High 12°CLow 3°CRain 15%
Spring in La Grande has typical daily highs of about 12°C and lows of about 3°C, with a 15% chance of rain on a given day.
La Grande weather in summerJune to August
High 26°CLow 13°CRain 9%
Summer in La Grande has typical daily highs of about 26°C and lows of about 13°C, with a 9% chance of rain on a given day.
La Grande weather in autumnSeptember to November
High 14°CLow 4°CRain 13%
Autumn in La Grande has typical daily highs of about 14°C and lows of about 4°C, with a 13% chance of rain on a given day.
When is the rainy season in La Grande?
La Grande has no sharply defined rainy season: the chance of rain on a given day runs from 7% in July, the driest month, to 17% in February, the wettest.
What time of year is La Grande windiest?
Winds in La Grande are highest in January, averaging 2.9 m/s (10 km/h), and lightest in September, at 2.1 m/s (8 km/h). The prevailing wind is from the W.
What is the average temperature in La Grande year round?
The average temperature in La Grande over the whole year is 9°C. July is the hottest month, with highs of about 28°C; February is the coldest, with lows of about -2°C.