Dubuque, IA
Iowa · Records since 1874–2026
🌙 63°F
Currently in Dubuque
As of 12:45 AM CDT
Records for June 27
🔥 Record High
102°F
June 27, 1934
+21° from 81° normal❄ Record Low
43°F
June 27, 1992
-18° from 61° normal
🌞 Normal high: 81°F
🌑 Normal low: 61°F
1991–2020 normals
All-Time Records — Dubuque
110°F
Hottest Day Ever
Jul 14, 1936
-32°F
Coldest Day Ever
Jan 7, 1887
8.85"
Wettest Day Ever
Sep 14, 1967
15.0"
Most Snow in One Day
Mar 5, 1959
2026 Daily High Temperature vs Normal
Year to date
Above normal
Below normal
99 of 176 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1970–20260
2026 so far
9
Avg/year 1970–2025
7
Avg/year (last 10 complete)
37
Most in a year (1988)
Top 10 Record Highs — June 27
| # | Temp | Date |
|---|---|---|
| 🏆 | 102°F | June 27, 1934 |
| 2 | 100°F | June 27, 1931 |
| 3 | 97°F | June 27, 1874 |
| 4 | 96°F | June 27, 1933 |
| 5 | 96°F | June 27, 1890 |
| 6 | 95°F | June 27, 1901 |
| 7 | 94°F | June 27, 1943 |
| 8 | 93°F | June 27, 1913 |
| 9 | 92°F | June 27, 1971 |
| 10 | 92°F | June 27, 1965 |
Top 5 Record Lows — June 27
| # | Temp | Date |
|---|---|---|
| 🥶 | 43°F | June 27, 1992 |
| 2 | 46°F | June 27, 2017 |
| 3 | 48°F | June 27, 1926 |
| 4 | 49°F | June 27, 1970 |
| 5 | 49°F | June 27, 1968 |
Precipitation
Actual vs. 1991–2020 full-month and full-season normals
23.16"
2026 YTD
Normal: 18.04"
+5.12"
8.85"
June so far
June normal: 5.19"
+3.66"
8.85"
Summer so far
Summer normal: 13.94"
-5.09"
9
2026 heavy rain days
Days with ≥ 1.0"
Monthly Precipitation — Last 24 Months
Blue = actual · dashed line = monthly normal
Annual Precipitation Per Year (1970–2026)
Blue = above average · tan = below average · gold = 2026 (partial)
Heavy Rain Days Per Year (≥ 1.0")
Even when annual totals stay similar, storms can become more intense and concentrated
Warm Summer Nights (Jun–Aug)
Nights where the overnight low exceeded the 1991–2020 normal low
8
2026 so far
above-normal nights
44.7
Avg / summer
1970–2020
64
Most in a summer
1983
Above-Normal Summer Nights Per Year
Average June–August Low Temperature by Decade
Decade averages of the actual overnight low