Last updated: October 14 2026 07:29:59
| Summit MAXIMUM HIGH Temperatures | |||||||||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Yearly Avg | Max | Min |
| 2026 | 63.0 | 72.2 | 83.8 | 84.8 | 84.0 | 87.9 | 92.1 | 89.6 | 93.2 | 80.6 | 0.0 | 0.0 | 83.1 | 93.2 | 63.0 |
| 2025 | 59.5 | 75.1 | 77.3 | 86.7 | 80.8 | 91.8 | 91.3 | 91.8 | 84.4 | 77.2 | 74.8 | 70.9 | 80.1 | 91.8 | 59.5 |
| 2024 | 66.9 | 75.1 | 78.7 | 84.9 | 80.1 | 93.0 | 91.0 | 91.2 | 91.0 | 81.2 | 75.9 | 64.6 | 81.1 | 93.0 | 64.6 |
| 2023 | 62.8 | 74.2 | 79.6 | 84.5 | 83.0 | 85.1 | 89.9 | 92.4 | 86.4 | 78.9 | 74.9 | 61.5 | 79.4 | 92.4 | 61.5 |
| 2022 | 70.2 | 70.8 | 77.7 | 83.7 | 86.2 | 94.8 | 93.2 | 87.5 | 87.2 | 77.9 | 76.4 | 64.8 | 80.9 | 94.8 | 64.8 |
| 2021 | 65.0 | 72.8 | 80.2 | 89.4 | 86.2 | 86.3 | 89.2 | 88.5 | 84.3 | 79.4 | 72.5 | 71.8 | 80.5 | 89.4 | 65.0 |
| Average | 64.6 | 73.4 | 79.6 | 85.7 | 83.4 | 89.8 | 91.1 | 90.2 | 87.8 | 79.2 | 74.9 | 66.7 | 80.5 | 94.8 | 59.5 |
| Summit AVERAGE HIGH Temperatures | |||||||||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Yearly Avg | Max | Min |
| 2026 | 47.7 | 55.1 | 69.0 | 75.2 | 73.4 | 79.9 | 84.6 | 84.3 | 81.7 | 74.0 | #DIV/0! | 72.5 | 84.6 | 47.7 | |
| 2025 | 42.4 | 60.1 | 66.7 | 73.4 | 71.1 | 80.9 | 86.4 | 78.5 | 78.5 | 66.1 | 60.7 | 52.6 | 68.1 | 86.4 | 42.4 |
| 2024 | 46.0 | 58.2 | 64.8 | 71.2 | 74.9 | 81.8 | 82.9 | 84.8 | 76.6 | 71.6 | 61.5 | 50.6 | 68.7 | 84.8 | 46.0 |
| 2023 | 52.0 | 59.3 | 63.8 | 70.1 | 72.6 | 77.6 | 84.6 | 83.4 | 78.0 | 68.5 | 58.9 | 52.1 | 68.4 | 84.6 | 52.0 |
| 2022 | 46.2 | 55.5 | 64.0 | 70.3 | 76.8 | 83.3 | 84.7 | 80.9 | 76.5 | 66.1 | 59.1 | 48.0 | 67.6 | 84.7 | 46.2 |
| 2021 | 49.6 | 53.0 | 66.3 | 72.6 | 73.5 | 78.7 | 81.2 | 82.6 | 75.9 | 68.2 | 57.3 | 58.4 | 68.1 | 82.6 | 49.6 |
| Average | 47.3 | 56.9 | 65.8 | 72.1 | 73.7 | 80.4 | 84.1 | 82.4 | 77.9 | 69.1 | 59.5 | 52.3 | 69.9 | 86.4 | 42.4 |
| Summit MEAN Temperatures | |||||||||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Yearly Avg | Max | Min |
| 2026 | 40.6 | 46.5 | 58.8 | 65.9 | 66.5 | 73.5 | 77.8 | 77.2 | 74.9 | 68.0 | #DIV/0! | 65.0 | 77.8 | 40.6 | |
| 2025 | 34.9 | 49.2 | 56.1 | 64.3 | 65.2 | 74.3 | 79.6 | 72.8 | 71.7 | 60.4 | 53.2 | 45.5 | 60.6 | 79.6 | 34.9 |
| 2024 | 38.8 | 49.0 | 54.6 | 60.4 | 68.1 | 74.9 | 75.7 | 76.4 | 69.9 | 63.8 | 54.9 | 43.3 | 60.8 | 76.4 | 38.8 |
| 2023 | 45.8 | 51.5 | 53.3 | 59.8 | 64.7 | 70.2 | 76.5 | 75.7 | 70.7 | 61.2 | 51.8 | 45.5 | 60.6 | 76.5 | 45.8 |
| 2022 | 38.7 | 46.4 | 53.4 | 59.5 | 68.5 | 75.7 | 76.3 | 73.8 | 69.2 | 58.4 | 51.9 | 42.0 | 59.5 | 76.3 | 38.7 |
| 2021 | 41.7 | 43.3 | 55.3 | 60.1 | 65.1 | 71.6 | 74.0 | 74.9 | 69.0 | 62.1 | 49.3 | 52.0 | 59.9 | 74.9 | 41.7 |
| Average | 40.1 | 47.6 | 55.3 | 61.7 | 66.4 | 73.4 | 76.7 | 75.1 | 70.9 | 62.3 | 52.2 | 45.7 | 60.6 | 79.6 | 34.9 |
| Summit AVERAGE LOW Temperatures | |||||||||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Yearly Avg | Max | Min |
| 2026 | 33.6 | 38.0 | 48.6 | 56.6 | 59.7 | 67.0 | 71.1 | 70.1 | 68.1 | 62.1 | #DIV/0! | 57.5 | 71.1 | 33.6 | |
| 2025 | 27.3 | 38.2 | 45.5 | 55.1 | 59.3 | 67.7 | 72.8 | 67.1 | 64.8 | 54.6 | 45.7 | 38.4 | 53.1 | 72.8 | 27.3 |
| 2024 | 32.3 | 40.5 | 46.6 | 52.1 | 62.5 | 69.0 | 70.4 | 70.3 | 64.7 | 58.1 | 49.4 | 37.0 | 54.4 | 70.4 | 32.3 |
| 2023 | 40.2 | 44.9 | 44.6 | 51.6 | 58.4 | 64.2 | 70.8 | 70.3 | 65.6 | 54.9 | 46.0 | 39.4 | 54.2 | 70.8 | 39.4 |
| 2022 | 32.2 | 38.5 | 45.1 | 50.6 | 61.6 | 69.6 | 70.9 | 69.1 | 63.9 | 52.2 | 45.3 | 36.8 | 53.0 | 70.9 | 32.2 |
| 2021 | 35.4 | 36.9 | 46.6 | 51.6 | 58.2 | 66.5 | 69.4 | 69.9 | 63.8 | 57.2 | 41.6 | 42.1 | 53.3 | 69.9 | 35.4 |
| Average | 33.5 | 39.5 | 46.2 | 52.9 | 59.9 | 67.3 | 70.9 | 69.5 | 65.2 | 56.5 | 45.6 | 38.7 | 53.8 | 72.8 | 27.3 |
| Summit MINIMUM LOW Temperatures | |||||||||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Yearly Avg | Max | Min |
| 2026 | 8.5 | 10.1 | 24.2 | 44.3 | 45.9 | 57.7 | 67.6 | 64.7 | 57.3 | 54.8 | ####### | 43.5 | 67.6 | 8.5 | |
| 2025 | 11.2 | 15.7 | 29.6 | 38.3 | 48.7 | 61.3 | 69.2 | 60.2 | 57.8 | 40.3 | 22.7 | 20.2 | 39.6 | 69.2 | 11.2 |
| 2024 | 10.9 | 29.2 | 28.0 | 36.7 | 52.2 | 60.2 | 64.9 | 62.7 | 59.5 | 39.4 | 27.1 | 23.6 | 41.2 | 64.9 | 10.9 |
| 2023 | 26.5 | 25.7 | 24.2 | 40.1 | 42.8 | 58.2 | 64.3 | 65.2 | 58.9 | 41.5 | 28.8 | 23.9 | 41.7 | 65.2 | 23.9 |
| 2022 | 19.1 | 23.5 | 18.8 | 35.4 | 50.5 | 62.5 | 65.4 | 65.7 | 52.0 | 34.1 | 29.3 | 1.0 | 38.1 | 65.7 | 1.0 |
| 2021 | 27.6 | 20.5 | 35.3 | 28.6 | 45.7 | 58.9 | 65.2 | 64.9 | 50.3 | 46.6 | 30.7 | 33.5 | 42.3 | 65.2 | 20.5 |
| Average | 17.3 | 20.8 | 26.7 | 37.2 | 47.6 | 59.8 | 66.1 | 63.9 | 56.0 | 42.8 | 27.7 | 20.4 | 40.5 | 69.2 | 1.0 |