Burlington, IA

Iowa · Records since 1897–2026

☀️ 95°F Feels like 103°
Currently in Burlington
As of 7:00 PM CDT

Records for July 28

🔥 Record High

104°F

July 28, 1914

+19° from 85° normal

❄ Record Low

52°F

July 28, 2013

-14° from 66° normal
🌞 Normal high: 85°F 🌑 Normal low: 66°F 1991–2020 normals

All-Time Records — Burlington

🔥
111°F
Hottest Day Ever
Jul 15, 1936
-27°F
Coldest Day Ever
Feb 13, 1905
🌧
6.28"
Wettest Day Ever
Jun 29, 1933
13.5"
Most Snow in One Day
Jan 26, 1967

Top 10 Record Highs — July 28

# Temp Date
🏆 104°F July 28, 1914
2 103°F July 28, 1983
3 102°F July 28, 1931
4 102°F July 28, 1919
5 101°F July 28, 1987
6 101°F July 28, 1916
7 100°F July 28, 1955
8 100°F July 28, 1936
9 98°F July 28, 1941
10 97°F July 28, 1953

Top 5 Record Lows — July 28

# Temp Date
🥶 52°F July 28, 2013
2 53°F July 28, 1981
3 54°F July 28, 2018
4 54°F July 28, 2005
5 54°F July 28, 1994
About this data — Records are sourced from the NOAA Threadex dataset via RCC ACIS, a quality-controlled record for long-term climate stations. Threadex adjusts for station relocations and observation-time changes, making records comparable across all years since 1897–2026. Climate normals represent the 1991–2020 average.
1
day
Hot Streak
1 consecutive day at or above 94°F · since July 26
2 more days to heat wave status

Heat Wave Summary — Burlington

threshold: 94°F (90th percentile of historical Jun–Aug highs)
4.8
Avg heat wave length
days (historical)
99°
Avg peak temp
during heat waves
14
Dangerous nights 2026
Overnights ≥ 70°F
0
Heat waves 2026
so far

2026 Daily High Temperature vs Normal

Year to date
Above normal Below normal

120 of 207 days with data were above the 1991–2020 normal high for their date.


Days ≥ 90°F Per Year

1897–2026
10
2026 so far
28
Avg/year 1970–2025
21
Avg/year (last 10 complete)
74
Most in a year (1936)

Average Daily High by Decade

Full year · complete decades only


Longest Heat Waves — Burlington

# Dates Days Peak Avg High Avg Overnight Low
🏆 Jul 17, 1987 – Aug 3, 1987 18 104°F (Aug 1) 98°F 74°F
2 Jul 3, 1936 – Jul 18, 1936 16 111°F (Jul 14) 105°F 77°F
3 Jun 16, 1933 – Jun 27, 1933 12 103°F (Jun 26) 98°F 69°F
4 Aug 9, 1936 – Aug 19, 1936 11 105°F (Aug 18) 100°F 72°F
5 May 29, 1934 – Jun 8, 1934 11 104°F (Jun 1) 99°F 69°F
6 Jul 23, 1916 – Aug 1, 1916 10 104°F (Jul 27) 100°F 73°F
7 Jun 22, 1931 – Jul 1, 1931 10 102°F (Jun 27) 100°F 76°F
8 Aug 25, 1953 – Sep 3, 1953 10 99°F (Aug 31) 97°F 68°F
9 Jul 18, 1901 – Jul 26, 1901 9 107°F (Jul 24) 101°F 74°F
10 Aug 31, 1960 – Sep 8, 1960 9 97°F (Sep 2) 96°F 69°F

Heat Waves Per Year


Warm Summer Nights (Jun–Aug)

Nights where the overnight low exceeded the 1991–2020 normal low

28
2026 so far
above-normal nights
44.5
Avg / summer
1970–2020
72
Most in a summer
2010

Above-Normal Summer Nights Per Year

Average June–August Low by Decade

Overnight lows · complete decades only

Precipitation

Actual vs. 1991–2020 full-month and full-season normals

22.77"
2026 YTD
Normal: 22.74"
+0.03"
3.38"
July so far
July normal: 4.02"
-0.64"
10.24"
Summer so far
Summer normal: 12.66"
-2.42"
7
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")

Compare year-to-year changes in days with heavy rainfall (≥ 1.0")