Annual mean 9°C · wettest around May · prevailing wind SW
Warmest
26.7 °C
Coldest
-5.4 °C
Wettest
59%
Windiest
6.5 m/s
Prevailing
SW
4.9 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 Dubuque over the whole year is 9°C. July is the hottest month, with highs of about 26°C; January is the coldest, with lows of about -8°C. Dubuque has no sharply defined rainy season: the chance of rain on a given day runs from 48% in January, the driest month, to 57% in May, the wettest. Winds in Dubuque are highest in April, averaging 4.9 m/s (18 km/h), and lightest in August, at 2.5 m/s (9 km/h). The prevailing wind is from the SW. The clearest skies in Dubuque come in July, when the sky is typically 31% covered; January is the cloudiest month, at 55%.
Month by month Dubuque 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
48%
55%
4.1 m/s
0
0
0
February
-1°C
-6°C
-8°C
49%
43%
4.3 m/s
0
0
6
March
6°C
-0°C
-0°C
55%
47%
4.6 m/s
2
0
16
April
12°C
4°C
6°C
54%
46%
4.9 m/s
15
0
41
May
19°C
12°C
16°C
57%
43%
3.9 m/s
48
10
64
June
25°C
18°C
24°C
57%
31%
3.5 m/s
61
41
37
July
26°C
19°C
27°C
56%
31%
2.7 m/s
52
60
19
August
25°C
17°C
26°C
55%
31%
2.5 m/s
60
51
28
September
23°C
14°C
21°C
53%
32%
3.1 m/s
66
27
54
October
15°C
7°C
10°C
54%
42%
3.8 m/s
30
3
55
November
6°C
1°C
0°C
51%
44%
4.2 m/s
5
0
20
December
-1°C
-4°C
-6°C
48%
51%
4.2 m/s
0
0
3
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 Dubuque weather by season
Year round, Dubuque has days of about -4°C at their warmest in January, its coolest month, and 26°C in July, its warmest; the coolest hours of the day run from -8°C to 19°C through the year, and the average temperature over the year is 9°C around the clock. Rain is most likely around May 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.
Dubuque weather in winterDecember to February
High -2°CLow -6°CRain 49%
Winter in Dubuque has typical daily highs of about -2°C and lows of about -6°C, with a 49% chance of rain on a given day.
Dubuque weather in springMarch to May
High 12°CLow 5°CRain 55%
Spring in Dubuque has typical daily highs of about 12°C and lows of about 5°C, with a 55% chance of rain on a given day.
Dubuque weather in summerJune to August
High 26°CLow 18°CRain 56%
Summer in Dubuque has typical daily highs of about 26°C and lows of about 18°C, with a 56% chance of rain on a given day.
Dubuque weather in autumnSeptember to November
High 14°CLow 7°CRain 53%
Autumn in Dubuque has typical daily highs of about 14°C and lows of about 7°C, with a 53% chance of rain on a given day.
When is the rainy season in Dubuque?
Dubuque has no sharply defined rainy season: the chance of rain on a given day runs from 48% in January, the driest month, to 57% in May, the wettest.
What time of year is Dubuque windiest?
Winds in Dubuque are highest in April, averaging 4.9 m/s (18 km/h), and lightest in August, at 2.5 m/s (9 km/h). The prevailing wind is from the SW.
What is the average temperature in Dubuque year round?
The average temperature in Dubuque over the whole year is 9°C. July is the hottest month, with highs of about 26°C; January is the coldest, with lows of about -8°C.