Frost dates for 89316Eureka, NV
The average last spring frost in Eureka is June 7 and the average first fall frost is September 17, giving a typical growing season of about 100 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Jun 7
- Average first fall frost
- Sep 17
- Growing season
- 100 days
Safer after Jun 23 (1-in-10 risk)
Possible by Sep 2 (1-in-10 risk)
Last frost typically in 224 days
Frost risk by date
NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.
| Temperature | Last spring: 90% / 50% / 10% chance | First fall: 10% / 50% / 90% chance | Growing season (50%) | Years with at least one |
|---|---|---|---|---|
| Light frost (36°F) | — | — | 75 days | 100% |
| Frost / freeze (32°F) | May 22 · Jun 7 · Jun 23 | Sep 2 · Sep 17 · Oct 1 | 100 days | 100% |
| Hard freeze (28°F) | May 5 · May 24 · Jun 11 | Sep 11 · Sep 27 · Oct 10 | 125 days | 100% |
Planting calendar for Eureka
Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.
| Crop | Task | Window |
|---|---|---|
| Tomatoes | Start seeds indoors | May 7 – Jul 13 |
| Tomatoes | Transplant outdoors | Jun 23 – May 28 |
| Peppers | Start seeds indoors | May 7 – Jun 7 |
| Peppers | Transplant outdoors | Jul 7 – Aug 7 |
| Eggplant | Start seeds indoors | May 24 – Jun 22 |
| Eggplant | Transplant outdoors | Jul 7 – Aug 7 |
| Cucumbers | Sow outdoors | Jul 7 – Jun 7 |
| Summer squash | Sow outdoors | Jun 23 – Aug 7 |
| Winter squash & pumpkins | Sow outdoors | Jul 7 – Aug 7 |
| Snap beans | Sow outdoors | Jun 23 – Jun 30 |
| Sweet corn | Sow outdoors | Jun 23 – May 28 |
| Watermelon & cantaloupe | Sow outdoors | Jul 7 – Aug 7 |
| Okra | Sow outdoors | Jun 30 – Jul 23 |
| Peas | Sow outdoors (spring) | May 7 – Jun 22 |
| Potatoes | Plant outdoors (spring) | May 7 – Jul 7 |
| Onions | Start seeds indoors (spring) | Mar 26 – Apr 22 |
| Onions | Transplant outdoors (spring) | May 24 – Jun 22 |
| Broccoli | Start seeds indoors (spring) | Apr 19 – May 23 |
| Broccoli | Transplant outdoors (spring) | May 24 – Jun 22 |
| Broccoli | Start seeds indoors (fall) | May 18 – May 28 |
| Broccoli | Transplant outdoors (fall) | Jun 17 – Jun 28 |
| Cabbage | Start seeds indoors (spring) | Apr 9 – May 7 |
| Cabbage | Transplant outdoors (spring) | May 7 – Jun 7 |
| Cabbage | Start seeds indoors (fall) | May 8 – Jun 7 |
| Cabbage | Transplant outdoors (fall) | Jun 7 – Jul 8 |
| Leaf lettuce | Sow outdoors (spring) | May 7 – Jul 23 |
| Leaf lettuce | Sow outdoors (fall) | Jun 7 – Jul 24 |
| Spinach | Sow outdoors (spring) | Apr 30 – Jun 13 |
| Spinach | Sow outdoors (fall) | Jun 24 – Jul 29 |
| Radishes | Sow outdoors (spring) | May 7 – Jun 27 |
| Radishes | Sow outdoors (fall) | Jun 7 – Aug 8 |
| Kale | Sow outdoors (spring) | May 24 – Jun 13 |
| Kale | Sow outdoors (fall) | May 31 – Jul 8 |
| Carrots | Sow outdoors (spring) | Jun 7 – Jul 23 |
| Carrots | Sow outdoors (fall) | May 8 – Jun 23 |
| Garlic | Plant outdoors (fall) | Sep 7 – Oct 8 |
Where these dates come from
ZIP code 89316 is matched to the NOAA station Eureka Airport, NV, 1.6 km away, at 5,936 ft elevation (48 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Eureka Airport, NV (used) | 5,936 ft | Jun 7 | Sep 17 |
| Eureka, NV | 6,430 ft | Jun 2 | Sep 29 |
| Diamond Valley - Eureka 14Nnw, NV | 5,890 ft | Jun 10 | Sep 16 |
| Beowawe 49S - U Of N Rch, NV | 5,740 ft | May 28 | Sep 21 |
Frost dates near Eureka
- Duckwater, NV 89314 · last Jun 5, first Sep 18
- Ruth, NV 89319 · last —, first —
- Austin, NV 89310 · last May 18, first Oct 7
- Ely, NV 89301 · last Jun 12, first Sep 13
- Crescent Valley, NV 89821 · last Jun 2, first Sep 17
- Mc Gill, NV 89318 · last May 28, first Sep 24
- Ruby Valley, NV 89833 · last May 27, first Sep 23
- Lund, NV 89317 · last Jun 5, first Sep 18
Frequently asked questions
- When is the last frost in Eureka, NV?
- For ZIP code 89316, the average last spring frost (32°F) is June 7, based on NOAA 1991-2020 climate normals for the Eureka Airport, NV weather station. There is a 1-in-10 chance of a frost after June 23.
- When is the first frost in Eureka, NV?
- The average first fall frost (32°F) is September 17. There is a 1-in-10 chance of frost by September 2, so tender plants are at risk from that point on.
- How long is the growing season in 89316?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 100 days long.
- Are these frost dates a forecast?
- No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.