Frost dates / Nevada / Sparks
Frost dates in Sparks, NV
The station on this page is SPARKS, NV US (USC00267697), 1.6 miles from the city point. Population in the Census 2024 estimate is 111,520.
Zone 7aUSDA average annual extreme minimum 0°F to 5°F, from ZIP 89436 (3 miles from the city point used on this page).
Outside the median season Growing seasonTicks: 10%, 50%, and 90%
Last 32°F in spring
NCEI’s probability is the chance the last spring minimum of 32°F or lower occurs on or after the date.
| Probability | Date | How to read it |
|---|---|---|
| 90% | April 17 | Earlier date. A last 32°F on or after this day is common. |
| 50% | May 1 | Median. |
| 10% | May 25 | Later date. A last 32°F on or after this day is uncommon. |
First 32°F in fall
NCEI’s probability is the chance the first autumn minimum of 32°F or lower occurs on or before the date.
| Probability | Date | How to read it |
|---|---|---|
| 10% | September 29 | Earlier date. A first 32°F on or before this day is uncommon. |
| 50% | October 10 | Median. |
| 90% | October 24 | Later date. A first 32°F on or before this day is common. |
32°F growing-season length
Days between the last spring 32°F and the first autumn 32°F. The figure is a length the season meets or exceeds at that probability, from NCEI, not a subtraction done on this site.
| Probability the season is at least this long | Days |
|---|---|
| 10% | 178 |
| 50% | 160 |
| 90% | 135 |
28°F threshold
| 10% | 50% | 90% | |
|---|---|---|---|
| Last, on or after | May 2 | April 16 | March 30 |
| First, on or before | October 7 | October 23 | November 6 |
| Season at least | 209 days | 186 days | 166 days |
36°F threshold
| 10% | 50% | 90% | |
|---|---|---|---|
| Last, on or after | June 9 | May 23 | May 4 |
| First, on or before | September 16 | October 1 | October 11 |
| Season at least | 152 days | 129 days | 107 days |
Station SPARKS, NV US (USC00267697). Completeness flag S, 28 years used for the 32°F dates. NCEI’s annual probability of at least one day at or below 32°F is 100%. Freeze dates are conditional on that threshold occurring. Elevation 1328 m. The same probability language applies to the 28°F and 36°F rows when those dates passed the same quality checks.
Check a crop against this station
Sparks, NV
Zone 7aAverage annual extreme minimum 0°F to 5°F
Outside the median season Growing seasonTicks: 10%, 50%, and 90%
Nevada. Nearest qualified station: SPARKS, NV US (USC00267697), 1.6 miles. Median last 32°F May 1. Median first 32°F October 10. The 50% growing-season length is 160 days.
32°F probabilities at this station
| 10% | 50% | 90% | |
|---|---|---|---|
| Last 32°F on or after | May 25 | May 1 | April 17 |
| First 32°F on or before | September 29 | October 10 | October 24 |
Column order matches the NCEI file: for the last freeze, 10% is the later date and 90% is the earlier date. How to read the probabilities.
Planting calendar
Frost dates for Nevada are above. Planting windows appear for states with a cited extension guide. The fall and seed tools use the numbers you enter and the station dates.
Date checks use your device’s calendar and appear after the page loads.