Rampart, AK frost dates
Gardening where frost is possible all year
The weather station nearest Rampart, AK records freezing temperatures in every month often enough that NOAA cannot define a frost-free season. Gardening is still possible — it just means planning for frost at any time:
- Grow fast, cold-tolerant crops: Radishes, Lettuce, Spinach, Kale, Peas, Potatoes, Swiss Chard, Garlic.
- Plant once the soil can be worked — usually late spring to early summer at high elevation — and keep row covers ready for clear, still nights.
- Use season extension: cold frames, low tunnels, wall-of-water cloches or a greenhouse turn a few frost-free weeks into a real season.
- Frost-tender crops (tomatoes, squash, beans) need protection all season; choose the earliest varieties you can find.
About these dates
Based on 1991–2020 NOAA climate normals for the Manley Hot Springs 15ne, AK weather station, 43 km away (elevation 502 ft (153 m)). That is far enough away that your dates may differ, especially if your elevation is different.
Frost dates near Rampart
- Bettles Field frost any month
- Minto frost any month
- Manley Hot Springs frost any month
- Stevens Village frost any month
- Tanana May 29 · Aug 28
- Nenana May 15 · Sep 11
- Ester May 24 · Sep 1
- Fairbanks May 16 · Sep 6
- Anderson May 24 · Sep 4
- Fort Wainwright May 16 · Sep 6
Frequently asked questions
When is the last frost in Rampart, AK?
Rampart, AK can freeze in any month, so there is no reliable last frost date. The nearest NOAA station averages 252 nights a year at or below 32°F.
What can I grow in Rampart, AK?
Fast, cold-tolerant crops such as radishes, lettuce, spinach, kale, peas and potatoes, ideally under row covers, cold frames or a greenhouse. Frost-tender crops like tomatoes need protection all season.