Concord, NH
New Hampshire · Records since 1868–2026
Records for August 11
🔥 Record High
August 11, 2016
+16° from 82° normal❄ Record Low
August 11, 1974
-19° from 58° normalAll-Time Records — Concord
Top 10 Record Highs — August 11
| # | Temp | Date |
|---|---|---|
| 🏆 | 98°F | August 11, 2016 |
| 2 | 98°F | August 11, 1944 |
| 3 | 97°F | August 11, 2025 |
| 4 | 97°F | August 11, 1870 |
| 5 | 96°F | August 11, 2020 |
| 6 | 95°F | August 11, 2002 |
| 7 | 94°F | August 11, 1900 |
| 8 | 93°F | August 11, 1896 |
| 9 | 92°F | August 11, 2021 |
| 10 | 92°F | August 11, 1966 |
Top 5 Record Lows — August 11
| # | Temp | Date |
|---|---|---|
| 🥶 | 39°F | August 11, 1974 |
| 2 | 39°F | August 11, 1894 |
| 3 | 40°F | August 11, 1972 |
| 4 | 40°F | August 11, 1941 |
| 5 | 43°F | August 11, 1963 |
Heat Wave Summary — Concord
threshold: 90°F (90th percentile of historical Jun–Aug highs)2026 Daily High Temperature vs Normal
Year to date117 of 221 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1869–2026Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Concord
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jul 6, 2024 – Jul 17, 2024 | 12 | 94°F (Jul 8) | 92°F | 67°F |
| 2 | Aug 11, 2002 – Aug 19, 2002 | 9 | 99°F (Aug 14) | 95°F | 63°F |
| 3 | Aug 10, 1944 – Aug 17, 1944 | 8 | 99°F (Aug 12) | 96°F | 65°F |
| 4 | Aug 2, 2022 – Aug 9, 2022 | 8 | 98°F (Aug 4) | 93°F | 66°F |
| 5 | Jul 3, 1912 – Jul 10, 1912 | 8 | 97°F (Jul 8) | 95°F | 64°F |
| 6 | Jul 24, 1970 – Jul 31, 1970 | 8 | 94°F (Jul 27) | 92°F | 63°F |
| 7 | Jul 15, 1977 – Jul 21, 1977 | 7 | 101°F (Jul 20) | 96°F | 63°F |
| 8 | Jun 29, 2018 – Jul 5, 2018 | 7 | 96°F (Jul 1) | 93°F | 65°F |
| 9 | Jul 24, 1963 – Jul 29, 1963 | 6 | 99°F (Jul 26) | 96°F | 65°F |
| 10 | Jul 4, 2010 – Jul 9, 2010 | 6 | 99°F (Jul 6) | 95°F | 66°F |
Heat Waves Per Year
Warm Summer Nights (Jun–Aug)
Nights where the overnight low exceeded the 1991–2020 normal low
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
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")
Month in Review — July 2026
Average temperature · July 2026
43rd-warmest month on record
33rd-warmest July of 158 on record
+0.9° vs. 70.7° average (1991–2020)Longest 90°F Streak in July
4 consecutive days with highs of at least 90°F (Jul 1–4, 2026, peaking at 97°F)
Ties the longest July streak since 2025 (1 year). The July record is 12 days, set in 2024.
Average July Temperature by Year
1869–2026 · 2026 highlighted
Warmest Julys on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 1872 | 75.2°F |
| 2 | 2024 | 75.0°F |
| 3 | 1876 | 75.0°F |
| 4 | 2020 | 74.5°F |
| 5 | 1955 | 74.1°F |
| 6 | 1870 | 73.9°F |
| 7 | 2025 | 73.8°F |
| 8 | 1887 | 73.8°F |
| 9 | 2010 | 73.8°F |
| 10 | 1878 | 73.8°F |
Warmest Months on Record (Any Month)
| # | Month | Avg Temp |
|---|---|---|
| 1 | July 1872 | 75.2°F |
| 2 | July 2024 | 75.0°F |
| 3 | July 1876 | 75.0°F |
| 4 | July 2020 | 74.5°F |
| 5 | July 1955 | 74.1°F |
| 6 | July 1870 | 73.9°F |
| 7 | July 2025 | 73.8°F |
| 8 | July 1887 | 73.8°F |
| 9 | July 2010 | 73.8°F |
| 10 | July 1878 | 73.8°F |
Nearby Stations — July 2026
How the same month ranked at the closest reporting stations
| Station | Avg Temp | July Rank |
|---|---|---|
| Concord, NH | 71.7°F | 33rd of 158 |
| Manchester, NH | 72.7°F | 27th of 69 |
| Boston, MA | 74.7°F | 32nd of 155 |
| Worcester, MA | 70.9°F | 65th of 134 |
| Milton, MA | 73.2°F | 23rd of 134 |