Weather Almanac: Keene, NH 03431

🗓️ Historical norms for September

September avg. precipitation
🌧️ 3.68"
September days below freezing
📉 ≈0.8 days
Average September lows ≈46.4°F
USDA Zone
5b
Annual extreme lows -15°F to -10°F
Last Spring Frost (36°F)
🌷 May 31
First Fall Frost (36°F)
🍂 Sep 12

Temperature climatic data from weather station: SURRY MTN LAKE (USC00278539)

Precipitation climatic data from weather station: SURRY MTN LAKE (USC00278539)

Agricultural climatic data from weather station: KEENE (USC00274399)