Frost dates for 59065Pray, MT
The average last spring frost in Pray is May 19 and the average first fall frost is September 25, giving a typical growing season of about 125 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 19
- Average first fall frost
- Sep 25
- Growing season
- 125 days
Safer after Jun 11 (1-in-10 risk)
Possible by Sep 7 (1-in-10 risk)
Last frost typically in 204 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) | May 21 · Jun 8 · Jun 30 | Aug 26 · Sep 11 · Sep 28 | 93 days | 100% |
| Frost / freeze (32°F) | May 5 · May 19 · Jun 11 | Sep 7 · Sep 25 · Oct 7 | 125 days | 100% |
| Hard freeze (28°F) | Apr 18 · May 4 · May 19 | Sep 21 · Oct 5 · Oct 21 | 152 days | 100% |
Planting calendar for Pray
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 | Apr 18 – Jun 24 |
| Tomatoes | Transplant outdoors | Jun 4 – Jun 5 |
| Peppers | Start seeds indoors | Apr 18 – May 19 |
| Peppers | Transplant outdoors | Jun 18 – Jul 19 |
| Eggplant | Start seeds indoors | May 5 – Jun 3 |
| Eggplant | Transplant outdoors | Jun 18 – Jul 19 |
| Cucumbers | Sow outdoors | Jun 18 – Jun 15 |
| Summer squash | Sow outdoors | Jun 4 – Jul 19 |
| Winter squash & pumpkins | Sow outdoors | Jun 18 – Jul 19 |
| Snap beans | Sow outdoors | Jun 4 – Jul 8 |
| Sweet corn | Sow outdoors | Jun 4 – Jun 5 |
| Watermelon & cantaloupe | Sow outdoors | Jun 18 – Jul 19 |
| Okra | Sow outdoors | Jun 11 – Jul 4 |
| Peas | Sow outdoors (spring) | Apr 18 – Jun 3 |
| Potatoes | Plant outdoors (spring) | Apr 18 – Jun 18 |
| Onions | Start seeds indoors (spring) | Mar 7 – Apr 3 |
| Onions | Transplant outdoors (spring) | May 5 – Jun 3 |
| Broccoli | Start seeds indoors (spring) | Mar 31 – May 4 |
| Broccoli | Transplant outdoors (spring) | May 5 – Jun 3 |
| Broccoli | Start seeds indoors (fall) | May 26 – Jun 5 |
| Broccoli | Transplant outdoors (fall) | Jun 25 – Jul 6 |
| Cabbage | Start seeds indoors (spring) | Mar 21 – Apr 18 |
| Cabbage | Transplant outdoors (spring) | Apr 18 – May 19 |
| Cabbage | Start seeds indoors (fall) | May 16 – Jun 15 |
| Cabbage | Transplant outdoors (fall) | Jun 15 – Jul 16 |
| Leaf lettuce | Sow outdoors (spring) | Apr 18 – Jul 4 |
| Leaf lettuce | Sow outdoors (fall) | Jun 15 – Aug 1 |
| Spinach | Sow outdoors (spring) | Apr 11 – May 25 |
| Spinach | Sow outdoors (fall) | Jul 2 – Aug 6 |
| Radishes | Sow outdoors (spring) | Apr 18 – Jun 8 |
| Radishes | Sow outdoors (fall) | Jun 15 – Aug 16 |
| Kale | Sow outdoors (spring) | May 5 – May 25 |
| Kale | Sow outdoors (fall) | Jun 8 – Jul 16 |
| Carrots | Sow outdoors (spring) | May 19 – Jul 4 |
| Carrots | Sow outdoors (fall) | May 16 – Jul 1 |
| Garlic | Plant outdoors (fall) | Sep 15 – Oct 16 |
Where these dates come from
ZIP code 59065 is matched to the NOAA station Livingston 12 S, MT, 21.7 km away, at 5,044 ft elevation (251 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Livingston 12 S, MT (used) | 5,044 ft | May 19 | Sep 25 |
| Gardiner, MT | 5,275 ft | May 21 | Sep 27 |
| Yellowstone Park Mammoth, WY | 6,195 ft | Jun 3 | Sep 14 |
| Bozeman Montana State Univ, MT | 4,913 ft | May 26 | Sep 22 |
Frost dates near Pray
- Emigrant, MT 59027 · last May 21, first Sep 27
- Gardiner, MT 59030 · last —, first —
- Bozeman, MT 59717 · last —, first —
- Livingston, MT 59047 · last May 27, first Sep 14
- Gallatin Gateway, MT 59730 · last —, first —
- Big Sky, MT 59716 · last —, first —
- Clyde Park, MT 59018 · last May 27, first Sep 14
- Springdale, MT 59082 · last May 14, first Sep 26
Frequently asked questions
- When is the last frost in Pray, MT?
- For ZIP code 59065, the average last spring frost (32°F) is May 19, based on NOAA 1991-2020 climate normals for the Livingston 12 S, MT weather station. There is a 1-in-10 chance of a frost after June 11.
- When is the first frost in Pray, MT?
- The average first fall frost (32°F) is September 25. There is a 1-in-10 chance of frost by September 7, so tender plants are at risk from that point on.
- How long is the growing season in 59065?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 125 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.