Frost Dates: First and last frost dates for Bouse, AZ
ℹ️ How to read these charts for the spring
As spring unfolds, the risk of frost gradually decreases each day until your tender plants are finally safe. The probabilities shown in the chart help you make smart decisions about when to plant.
While frost typically forms at 32°F, tender plants can be damaged even when temperatures are slightly higher. Air temperatures are often measured several feet above the ground, but temperatures at plant level can be several degrees colder. Protected areas like porches help by blocking radiational cooling. Given these variables, we consider 36°F the "caution zone" for frost-sensitive plants.
Key dates for your spring planting:
- By April 13, you have a 90% chance of being frost-free — this is your "safe date" for planting tender crops
- Around March 20, there's a 50/50 chance of frost — check weather forecasts carefully if planting now
- Before March 4, there's still an 80% risk of frost — too early for tomatoes and other tender plants unless you're prepared to protect them
If the 10-day forecast shows no temperatures below 40°F, you might safely plant earlier than the above dates suggest. Many gardeners watch for this weather window to get a head start on the growing season.
| Temperature | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| Last 16° | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Last 20° | Jan 16 | Jan 6 | Dec 28 | Dec 15 | -- | -- | -- | -- | -- |
| Last 24° | Feb 16 | Feb 3 | Jan 25 | Jan 16 | Jan 8 | Dec 30 | Dec 19 | Nov 28 | -- |
| Last 28° | Mar 7 | Feb 24 | Feb 17 | Feb 10 | Feb 4 | Jan 29 | Jan 22 | Jan 14 | Jan 2 |
| Last 32° | Mar 30 | Mar 20 | Mar 13 | Mar 7 | Mar 2 | Feb 24 | Feb 18 | Feb 12 | Feb 2 |
| Last 36° | Apr 13 | Apr 5 | Mar 30 | Mar 25 | Mar 20 | Mar 15 | Mar 10 | Mar 4 | Feb 23 |
ℹ️ How to read these charts for the fall
As summer ends in Bouse, AZ, nighttime temperatures begin to drop, and your risk of frost increases with each passing day. Knowing when to expect frost helps you harvest sensitive crops and extend your growing season with protection methods.
The chart below shows the probability of experiencing specific temperatures on various dates. Here's what this means for your garden:
These probabilities help you time your end-of-season harvests and know when to apply protective measures like row covers, cloches, or cold frames to extend your harvest.
| Temperature | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| First 16° | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| First 20° | Dec 17 | Dec 25 | Jan 1 | -- | -- | -- | -- | -- | -- |
| First 24° | Nov 23 | Dec 4 | Dec 12 | Dec 19 | Dec 26 | Jan 3 | Jan 12 | Jan 30 | -- |
| First 28° | Nov 11 | Nov 19 | Nov 25 | Nov 30 | Dec 5 | Dec 9 | Dec 14 | Dec 21 | Dec 30 |
| First 32° | Nov 8 | Nov 13 | Nov 17 | Nov 20 | Nov 22 | Nov 25 | Nov 28 | Dec 1 | Dec 6 |
| First 36° | Oct 27 | Nov 1 | Nov 5 | Nov 8 | Nov 11 | Nov 13 | Nov 17 | Nov 20 | Nov 25 |
📍 Frost Dates for other nearby locations
- Quartzsite, AZ 27.1 mi
- Parker, AZ 27.4 mi
- Parker Rsvr, CA 28.2 mi
- Kofa Mine, AZ 46.5 mi
- Blythe, CA 50.1 mi
- Aguila, AZ 53.0 mi
- Blythe Asos, CA 57.3 mi
- Wikieup, AZ 57.6 mi
- Yucca, AZ 65.7 mi
- Bagdad, AZ 70.3 mi
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Data is provided by the NOAA National Centers for Environmental Information.