Delta Junction, AK
Alaska · Records since 1917–2026
🌦️ 52°F
Currently in Delta Junction
As of 4:00 PM AKDT
Records for July 28
🔥 Record High
85°F
July 28, 2013
+17° from 68° normal❄ Record Low
38°F
July 28, 1957
-13° from 51° normal
🌞 Normal high: 68°F 🌑 Normal low: 51°F 1991–2020 normals
All-Time Records — Delta Junction
92°F
Hottest Day Ever
Jun 15, 1969
-63°F
Coldest Day Ever
Jan 30, 1947
2.27"
Wettest Day Ever
Jul 28, 2008
10.4"
Most Snow in One Day
Oct 18, 1981
Top 10 Record Highs — July 28
| # | Temp | Date |
|---|---|---|
| 🏆 | 85°F | July 28, 2013 |
| 2 | 83°F | July 28, 2023 |
| 3 | 83°F | July 28, 1953 |
| 4 | 83°F | July 28, 1919 |
| 5 | 80°F | July 28, 2006 |
| 6 | 80°F | July 28, 1977 |
| 7 | 79°F | July 28, 2012 |
| 8 | 78°F | July 28, 1974 |
| 9 | 77°F | July 28, 1993 |
| 10 | 77°F | July 28, 1978 |
Top 5 Record Lows — July 28
| # | Temp | Date |
|---|---|---|
| 🥶 | 38°F | July 28, 1957 |
| 2 | 38°F | July 28, 1943 |
| 3 | 40°F | July 28, 2014 |
| 4 | 40°F | July 28, 2000 |
| 5 | 40°F | July 28, 1986 |
Heat Wave Summary — Delta Junction
threshold: 78°F (90th percentile of historical Jun–Aug highs)4.3
Avg heat wave length
days (historical)
84°
Avg peak temp
during heat waves
0
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
66 of 207 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1947–20260
2026 so far
2
Avg/year 1970–2025
2
Avg/year (last 10 complete)
2
Most in a year (1947)
Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Delta Junction
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jul 29, 1994 – Aug 7, 1994 | 10 | 90°F (Aug 6) | 84°F | 57°F |
| 2 | Jun 13, 2025 – Jun 22, 2025 | 10 | 84°F (Jun 20) | 81°F | 53°F |
| 3 | Jul 27, 1919 – Aug 4, 1919 | 9 | 89°F (Jul 29) | 81°F | 49°F |
| 4 | May 31, 1958 – Jun 8, 1958 | 9 | 87°F (Jun 1) | 82°F | 54°F |
| 5 | Jun 4, 1957 – Jun 12, 1957 | 9 | 85°F (Jun 10) | 82°F | 51°F |
| 6 | Jun 18, 2004 – Jun 25, 2004 | 8 | 88°F (Jun 24) | 84°F | 59°F |
| 7 | Jul 12, 1993 – Jul 19, 1993 | 8 | 87°F (Jul 16) | 82°F | 53°F |
| 8 | Jul 24, 1953 – Jul 31, 1953 | 8 | 86°F (Jul 27) | 83°F | 56°F |
| 9 | Jul 19, 1968 – Jul 26, 1968 | 8 | 84°F (Jul 22) | 81°F | 54°F |
| 10 | Jul 6, 1972 – Jul 13, 1972 | 8 | 84°F (Jul 11) | 82°F | 55°F |
Heat Waves Per Year
Warm Summer Nights (Jun–Aug)
Nights where the overnight low exceeded the 1991–2020 normal low
20
2026 so far
above-normal nights
40.4
Avg / summer
1970–2020
74
Most in a summer
2004
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
6.49"
2026 YTD
Normal: 5.76"
+0.73"
3.11"
July so far
July normal: 2.37"
+0.74"
4.67"
Summer so far
Summer normal: 6.57"
-1.90"
1
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")