Frost dates for 99926Metlakatla, AK
The average last spring frost in Metlakatla is April 4 and the average first fall frost is October 31, giving a typical growing season of about 208 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 4
- Average first fall frost
- Oct 31
- Growing season
- 208 days
Safer after Apr 22 (1-in-10 risk)
Possible by Oct 15 (1-in-10 risk)
Last frost typically in 152 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) | Apr 10 · Apr 27 · May 10 | Oct 2 · Oct 16 · Oct 30 | 171 days | 100% |
| Frost / freeze (32°F) | Mar 20 · Apr 4 · Apr 22 | Oct 15 · Oct 31 · Nov 20 | 208 days | 100% |
| Hard freeze (28°F) | Feb 26 · Mar 16 · Mar 31 | Oct 30 · Nov 18 · Dec 9 | 246 days | 100% |
Planting calendar for Metlakatla
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 | Mar 4 – May 10 |
| Tomatoes | Transplant outdoors | Apr 20 – Jul 11 |
| Peppers | Start seeds indoors | Mar 4 – Apr 4 |
| Peppers | Transplant outdoors | May 4 – Jun 4 |
| Eggplant | Start seeds indoors | Mar 21 – Apr 19 |
| Eggplant | Transplant outdoors | May 4 – Jun 4 |
| Cucumbers | Sow outdoors | May 4 – Jul 21 |
| Summer squash | Sow outdoors | Apr 20 – Jun 4 |
| Winter squash & pumpkins | Sow outdoors | May 4 – Jun 4 |
| Snap beans | Sow outdoors | Apr 20 – Aug 13 |
| Sweet corn | Sow outdoors | Apr 20 – Jul 11 |
| Watermelon & cantaloupe | Sow outdoors | May 4 – Jun 4 |
| Okra | Sow outdoors | Apr 27 – May 20 |
| Peas | Sow outdoors (spring) | Mar 4 – Apr 19 |
| Potatoes | Plant outdoors (spring) | Mar 4 – May 4 |
| Onions | Start seeds indoors (spring) | Jan 21 – Feb 17 |
| Onions | Transplant outdoors (spring) | Mar 21 – Apr 19 |
| Broccoli | Start seeds indoors (spring) | Feb 14 – Mar 20 |
| Broccoli | Transplant outdoors (spring) | Mar 21 – Apr 19 |
| Broccoli | Start seeds indoors (fall) | Jul 1 – Jul 11 |
| Broccoli | Transplant outdoors (fall) | Jul 31 – Aug 11 |
| Cabbage | Start seeds indoors (spring) | Feb 4 – Mar 4 |
| Cabbage | Transplant outdoors (spring) | Mar 4 – Apr 4 |
| Cabbage | Start seeds indoors (fall) | Jun 21 – Jul 21 |
| Cabbage | Transplant outdoors (fall) | Jul 21 – Aug 21 |
| Leaf lettuce | Sow outdoors (spring) | Mar 4 – May 20 |
| Leaf lettuce | Sow outdoors (fall) | Jul 21 – Sep 6 |
| Spinach | Sow outdoors (spring) | Feb 25 – Apr 10 |
| Spinach | Sow outdoors (fall) | Aug 7 – Sep 11 |
| Radishes | Sow outdoors (spring) | Mar 4 – Apr 24 |
| Radishes | Sow outdoors (fall) | Jul 21 – Sep 21 |
| Kale | Sow outdoors (spring) | Mar 21 – Apr 10 |
| Kale | Sow outdoors (fall) | Jul 14 – Aug 21 |
| Carrots | Sow outdoors (spring) | Apr 4 – May 20 |
| Carrots | Sow outdoors (fall) | Jun 21 – Aug 6 |
| Garlic | Plant outdoors (fall) | Oct 21 – Nov 21 |
Where these dates come from
ZIP code 99926 is matched to the NOAA station Annette Island Ap, AK, 9.2 km away, at 109 ft elevation (17 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Annette Island Ap, AK (used) | 109 ft | Apr 4 | Oct 31 |
| Metlakatla 6 S, AK | 105 ft | Apr 14 | Oct 25 |
| Beaver Falls, AK | 35 ft | Apr 4 | Nov 9 |
| Ketchikan Intl Ap, AK | 76 ft | Apr 22 | Oct 23 |
Frost dates near Metlakatla
- Ketchikan, AK 99950 · last Apr 4, first Nov 9
- Ward Cove, AK 99928 · last Apr 22, first Oct 23
- Hydaburg, AK 99922 · last Apr 14, first Nov 1
- Meyers Chuck, AK 99903 · last May 1, first Oct 13
- Thorne Bay, AK 99919 · last May 1, first Oct 13
- Coffman Cove, AK 99918 · last Apr 29, first Oct 16
Frequently asked questions
- When is the last frost in Metlakatla, AK?
- For ZIP code 99926, the average last spring frost (32°F) is April 4, based on NOAA 1991-2020 climate normals for the Annette Island Ap, AK weather station. There is a 1-in-10 chance of a frost after April 22.
- When is the first frost in Metlakatla, AK?
- The average first fall frost (32°F) is October 31. There is a 1-in-10 chance of frost by October 15, so tender plants are at risk from that point on.
- How long is the growing season in 99926?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 208 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.