Annual mean 10°C · wettest around May · prevailing wind SW
Warmest
27.5 °C
Coldest
-5.4 °C
Wettest
44%
Windiest
6.9 m/s
Prevailing
SW
5.3 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 Ames over the whole year is 10°C. July is the hottest month, with highs of about 27°C; January is the coldest, with lows of about -8°C. Ames has no sharply defined rainy season: the chance of rain on a given day runs from 39% in February, the driest month, to 46% in May, the wettest. Winds in Ames are highest in April, averaging 5.4 m/s (19 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 Ames come in July, when the sky is typically 26% covered; January is the cloudiest month, at 54%.
Month by month Ames 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
-4°C
-8°C
-11°C
39%
54%
4.6 m/s
0
0
1
February
-1°C
-7°C
-8°C
39%
43%
4.7 m/s
0
0
8
March
7°C
0°C
0°C
43%
49%
5.0 m/s
4
0
22
April
13°C
5°C
7°C
43%
46%
5.4 m/s
20
1
47
May
20°C
12°C
17°C
46%
43%
4.2 m/s
56
11
66
June
27°C
19°C
26°C
43%
27%
3.7 m/s
57
54
28
July
27°C
20°C
28°C
42%
26%
2.8 m/s
44
64
15
August
26°C
18°C
27°C
43%
29%
2.8 m/s
57
54
26
September
24°C
14°C
22°C
44%
30%
3.2 m/s
65
37
46
October
16°C
7°C
11°C
43%
38%
4.0 m/s
34
3
59
November
7°C
0°C
1°C
41%
40%
4.5 m/s
6
0
24
December
0°C
-4°C
-6°C
40%
47%
4.5 m/s
0
0
6
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 Ames weather by season
Year round, Ames has days of about -4°C at their warmest in January, its coolest month, and 27°C in July, its warmest; the coolest hours of the day run from -8°C to 20°C through the year, and the average temperature over the year is 10°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.
Ames weather in winterDecember to February
High -2°CLow -6°CRain 39%
Winter in Ames has typical daily highs of about -2°C and lows of about -6°C, with a 39% chance of rain on a given day.
Ames weather in springMarch to May
High 13°CLow 6°CRain 44%
Spring in Ames has typical daily highs of about 13°C and lows of about 6°C, with a 44% chance of rain on a given day.
Ames weather in summerJune to August
High 27°CLow 19°CRain 43%
Summer in Ames has typical daily highs of about 27°C and lows of about 19°C, with a 43% chance of rain on a given day.
Ames weather in autumnSeptember to November
High 16°CLow 7°CRain 43%
Autumn in Ames has typical daily highs of about 16°C and lows of about 7°C, with a 43% chance of rain on a given day.
When is the rainy season in Ames?
Ames has no sharply defined rainy season: the chance of rain on a given day runs from 39% in February, the driest month, to 46% in May, the wettest.
What time of year is Ames windiest?
Winds in Ames are highest in April, averaging 5.4 m/s (19 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 Ames year round?
The average temperature in Ames over the whole year is 10°C. July is the hottest month, with highs of about 27°C; January is the coldest, with lows of about -8°C.