Average annual temperature is 11.2 °C
Absolute maximum temperature: 31.7 °C
Absolute minimum temperature: -15.9 °C
Number of sunny days: 159 days
Number of rainy days: 193 days
Number of snow days: 13 days
Look at detailed online map of Locust Valley
* Weather data for Locust Valley United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 16.1 | 15.9 | 16.7 | 28.7 | 29.3 | 31.7 | 31.7 | 29.0 | 31.3 | 26.5 | 18.3 | 14.1 |
| Average daytime temperature (°C) | 6.0 | 7.4 | 8.4 | 17.3 | 20.7 | 23.8 | 27.9 | 25.5 | 22.5 | 17.4 | 9.1 | 6.7 |
| Average temperature (°C) | 2.6 | 2.0 | 3.1 | 11.1 | 14.3 | 18.6 | 22.8 | 20.9 | 18.0 | 12.8 | 4.5 | 3.2 |
| Average night temperature (°C) | 0.0 | -2.3 | -1.2 | 6.1 | 8.4 | 13.9 | 18.6 | 16.8 | 14.3 | 9.0 | 0.8 | 0.5 |
| Absolute minimum temperature (°C) | -6.3 | -15.9 | -7.3 | -1.9 | 1.9 | 8.7 | 14.3 | 13.3 | 9.2 | 1.2 | -6.3 | -4.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.0 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.3 | 6.8 | 7.3 | 8.7 | 11.6 | 11.1 | 11.8 | 10.3 | 8.3 | 7.9 | 7.4 | 3.9 |
| Precipitation (mm) | 102 | 35 | 85 | 119 | 32 | 123 | 119 | 105 | 119 | 73 | 56 | 142 |
| Sunny days | 11 | 16 | 10 | 15 | 19 | 12 | 7 | 8 | 15 | 15 | 18 | 13 |
| Rainy days | 17 | 9 | 18 | 15 | 12 | 18 | 24 | 23 | 15 | 16 | 10 | 16 |
| Snow days | 3 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
The best time to visit Locust Valley during the most sunny months:
The largest precipitation sum in Locust Valley is at