Annual mean 11°C · wettest around May · prevailing wind SW
Warmest
27.8 °C
Coldest
-4.7 °C
Wettest
55%
Windiest
6.6 m/s
Prevailing
SW
5.0 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 West Des Moines over the whole year is 11°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -7°C. West Des Moines has no sharply defined rainy season: the chance of rain on a given day runs from 47% in February, the driest month, to 55% in May, the wettest. Winds in West Des Moines are highest in April, averaging 5.0 m/s (18 km/h), and lightest in July, at 2.8 m/s (10 km/h). The prevailing wind is from the SW. The clearest skies in West Des Moines come in July, when the sky is typically 34% covered; January is the cloudiest month, at 59%.
Month by month West Des Moines 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
-3°C
-7°C
-10°C
49%
59%
4.3 m/s
0
0
1
February
-0°C
-6°C
-7°C
47%
49%
4.4 m/s
1
0
10
March
7°C
1°C
1°C
51%
55%
4.7 m/s
4
0
24
April
14°C
6°C
8°C
53%
51%
5.0 m/s
21
0
48
May
20°C
13°C
17°C
55%
50%
3.9 m/s
56
12
62
June
27°C
19°C
26°C
53%
35%
3.5 m/s
53
52
25
July
28°C
20°C
29°C
51%
34%
2.8 m/s
40
61
12
August
27°C
18°C
27°C
52%
37%
2.8 m/s
52
52
23
September
24°C
15°C
23°C
53%
37%
3.1 m/s
63
38
42
October
16°C
8°C
11°C
52%
45%
3.8 m/s
33
3
58
November
8°C
1°C
2°C
50%
45%
4.1 m/s
7
0
27
December
1°C
-4°C
-5°C
50%
52%
4.2 m/s
0
0
7
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 Des Moines weather by season
Year round, West Des Moines has days of about -3°C at their warmest in January, its coolest month, and 28°C in July, its warmest; the coolest hours of the day run from -7°C to 20°C through the year, and the average temperature over the year is 11°C around the clock. Rain is most likely around May 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 Des Moines weather in winterDecember to February
High -1°CLow -6°CRain 49%
Winter in West Des Moines has typical daily highs of about -1°C and lows of about -6°C, with a 49% chance of rain on a given day.
West Des Moines weather in springMarch to May
High 14°CLow 6°CRain 53%
Spring in West Des Moines has typical daily highs of about 14°C and lows of about 6°C, with a 53% chance of rain on a given day.
West Des Moines weather in summerJune to August
High 27°CLow 19°CRain 52%
Summer in West Des Moines has typical daily highs of about 27°C and lows of about 19°C, with a 52% chance of rain on a given day.
West Des Moines weather in autumnSeptember to November
High 16°CLow 8°CRain 52%
Autumn in West Des Moines has typical daily highs of about 16°C and lows of about 8°C, with a 52% chance of rain on a given day.
When is the rainy season in West Des Moines?
West Des Moines has no sharply defined rainy season: the chance of rain on a given day runs from 47% in February, the driest month, to 55% in May, the wettest.
What time of year is West Des Moines windiest?
Winds in West Des Moines are highest in April, averaging 5.0 m/s (18 km/h), and lightest in July, at 2.8 m/s (10 km/h). The prevailing wind is from the SW.
What is the average temperature in West Des Moines year round?
The average temperature in West Des Moines over the whole year is 11°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -7°C.