Frost dates for 99903Meyers Chuck, AK
The average last spring frost in Meyers Chuck is May 1 and the average first fall frost is October 13, giving a typical growing season of about 166 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 1
- Average first fall frost
- Oct 13
- Growing season
- 166 days
Safer after May 16 (1-in-10 risk)
Possible by Oct 1 (1-in-10 risk)
Last frost typically in 180 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 2 · May 17 · Jun 1 | Sep 18 · Oct 1 · Oct 13 | 136 days | 100% |
| Frost / freeze (32°F) | Apr 17 · May 1 · May 16 | Oct 1 · Oct 13 · Oct 28 | 166 days | 100% |
| Hard freeze (28°F) | Mar 26 · Apr 11 · Apr 25 | Oct 12 · Oct 30 · Nov 19 | 202 days | 100% |
Planting calendar for Meyers Chuck
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 31 – Jun 6 |
| Tomatoes | Transplant outdoors | May 17 – Jun 23 |
| Peppers | Start seeds indoors | Mar 31 – May 1 |
| Peppers | Transplant outdoors | May 31 – Jul 1 |
| Eggplant | Start seeds indoors | Apr 17 – May 16 |
| Eggplant | Transplant outdoors | May 31 – Jul 1 |
| Cucumbers | Sow outdoors | May 31 – Jul 3 |
| Summer squash | Sow outdoors | May 17 – Jul 1 |
| Winter squash & pumpkins | Sow outdoors | May 31 – Jul 1 |
| Snap beans | Sow outdoors | May 17 – Jul 26 |
| Sweet corn | Sow outdoors | May 17 – Jun 23 |
| Watermelon & cantaloupe | Sow outdoors | May 31 – Jul 1 |
| Okra | Sow outdoors | May 24 – Jun 16 |
| Peas | Sow outdoors (spring) | Mar 31 – May 16 |
| Potatoes | Plant outdoors (spring) | Mar 31 – May 31 |
| Onions | Start seeds indoors (spring) | Feb 17 – Mar 16 |
| Onions | Transplant outdoors (spring) | Apr 17 – May 16 |
| Broccoli | Start seeds indoors (spring) | Mar 13 – Apr 16 |
| Broccoli | Transplant outdoors (spring) | Apr 17 – May 16 |
| Broccoli | Start seeds indoors (fall) | Jun 13 – Jun 23 |
| Broccoli | Transplant outdoors (fall) | Jul 13 – Jul 24 |
| Cabbage | Start seeds indoors (spring) | Mar 3 – Mar 31 |
| Cabbage | Transplant outdoors (spring) | Mar 31 – May 1 |
| Cabbage | Start seeds indoors (fall) | Jun 3 – Jul 3 |
| Cabbage | Transplant outdoors (fall) | Jul 3 – Aug 3 |
| Leaf lettuce | Sow outdoors (spring) | Mar 31 – Jun 16 |
| Leaf lettuce | Sow outdoors (fall) | Jul 3 – Aug 19 |
| Spinach | Sow outdoors (spring) | Mar 24 – May 7 |
| Spinach | Sow outdoors (fall) | Jul 20 – Aug 24 |
| Radishes | Sow outdoors (spring) | Mar 31 – May 21 |
| Radishes | Sow outdoors (fall) | Jul 3 – Sep 3 |
| Kale | Sow outdoors (spring) | Apr 17 – May 7 |
| Kale | Sow outdoors (fall) | Jun 26 – Aug 3 |
| Carrots | Sow outdoors (spring) | May 1 – Jun 16 |
| Carrots | Sow outdoors (fall) | Jun 3 – Jul 19 |
| Garlic | Plant outdoors (fall) | Oct 3 – Nov 3 |
Where these dates come from
ZIP code 99903 is matched to the NOAA station Thorne Bay, AK, 17.7 km away, at 286 ft elevation (266 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Thorne Bay, AK (used) | 286 ft | May 1 | Oct 13 |
| Ketchikan 10N, AK | 295 ft | Apr 20 | Oct 26 |
| Klawock Ap, AK | 12 ft | Apr 29 | Oct 16 |
| Ketchikan Intl Ap, AK | 76 ft | Apr 22 | Oct 23 |
Frost dates near Meyers Chuck
- Thorne Bay, AK 99919 · last May 1, first Oct 13
- Coffman Cove, AK 99918 · last Apr 29, first Oct 16
- Ward Cove, AK 99928 · last Apr 22, first Oct 23
- Klawock, AK 99925 · last Apr 29, first Oct 16
- Ketchikan, AK 99901 · last Apr 22, first Oct 23
- Craig, AK 99921 · last Apr 14, first Nov 1
- Hydaburg, AK 99922 · last Apr 14, first Nov 1
- Wrangell, AK 99929 · last Apr 11, first Nov 1
Frequently asked questions
- When is the last frost in Meyers Chuck, AK?
- For ZIP code 99903, the average last spring frost (32°F) is May 1, based on NOAA 1991-2020 climate normals for the Thorne Bay, AK weather station. There is a 1-in-10 chance of a frost after May 16.
- When is the first frost in Meyers Chuck, AK?
- The average first fall frost (32°F) is October 13. There is a 1-in-10 chance of frost by October 1, so tender plants are at risk from that point on.
- How long is the growing season in 99903?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 166 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.