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> Usa > Yellowstone Park, Wyoming > Precipitation
Rainfall/ Precipitation in Yellowstone Park, Wyoming, Usa
- Yellowstone Park, Wyoming receives 388 mm (15.3 in) of rainfall per year, or 32.3 mm (1.3 in) per month.
- On average there are 126 days per year with more than 0.1 mm (0.004 in) of rainfall (precipitation) or 10.5 days with a quantity of rain, sleet, snow etc. per month.
- The driest weather is in February when an average of 23 mm (0.9 in) of rainfall (precipitation) occurs.
- The wettest weather is in June when an average of 57 mm (2.2 in) of rainfall (precipitation) occurs.
Precipitation Table
| Climate Variable | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Average Precipitation mm (in) | 27 (1.06) | 23 (0.9) | 32 (1.3) | 34 (1.3) | 45 (1.8) | 57 (2.2) | 29 (1.1) | 31 (1.2) | 29 (1.1) | 28 (1.1) | 26 (1) | 27 (1.1) | 388 (15.3) | |
 | Precipitation Litres/m² (Gallons/ft²) | 27 (0.66) | 23 (0.56) | 32 (0.78) | 34 (0.83) | 45 (1.1) | 57 (1.4) | 29 (0.71) | 31 (0.76) | 29 (0.71) | 28 (0.69) | 26 (0.64) | 27 (0.66) | 388 (9.52) | |
 | Number of Wet Days (probability of rain on a day) | 13 (42%) | 11 (39%) | 12 (39%) | 10 (33%) | 12 (39%) | 13 (43%) | 9 (29%) | 8 (26%) | 7 (23%) | 8 (26%) | 11 (37%) | 12 (39%) | 126 (35%) |