Frost Dates: First and last frost dates for beowawe, nv
What's a safe temperature for tender plants? When the nightly temperature falls, frost can form, even above 32°, because the air is colder high above the ground and the frost can form up there and then fall down onto your garden and do some damage, even if it's 36° on the ground. So many factors come into play, including wind, concrete, houses, trees and other structures, etc etc etc. Because of all this, you might want to consider 36° as "the danger zone".
In your average springtime, you have a 90% chance that there will be no 36° nights by July 10. In other words, you can pretty much count on being safe from frost by that day. But we want to get those tomatoes in the ground as soon as possible, right? We see that there's still an 80% chance of 36° on June 9, so we don't dare plant that early. We wait a few days and by June 21 we are at the 50/50 point. At this point, we are close and we can start watching the weather forecast. If the upcoming week's forecast doesn't show below 40°, then it's probably okay to risk planting out your plants.
Temperature | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
---|---|---|---|---|---|---|---|---|---|
Last 16° | Apr 28 | Apr 16 | Apr 7 | Mar 30 | Mar 23 | Mar 16 | Mar 8 | Feb 27 | Feb 15 |
Last 20° | May 13 | May 4 | Apr 28 | Apr 23 | Apr 18 | Apr 13 | Apr 8 | Apr 1 | Mar 24 |
Last 24° | May 19 | May 13 | May 9 | May 5 | May 2 | Apr 28 | Apr 25 | Apr 20 | Apr 14 |
Last 28° | Jun 10 | Jun 4 | May 30 | May 26 | May 22 | May 19 | May 15 | May 10 | May 4 |
Last 32° | Jun 17 | Jun 11 | Jun 7 | Jun 4 | May 31 | May 28 | May 25 | May 20 | May 15 |
Last 36° | Jul 10 | Jul 4 | Jun 29 | Jun 25 | Jun 21 | Jun 18 | Jun 14 | Jun 9 | Jun 3 |
The charts on this page show the probabilities of receiving a certain temperature on a certain day. Some examples that might help:
- You have a small 20% chance of getting 32° by September 4.
- There is a 50% chance of being hit by a 32° frost starting around September 15
- You have a 80% chance of seeing 32° by September 26
- Said another way, you have a 1 in 5 chance at making it to that day without a 32° night.
Temperature | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
---|---|---|---|---|---|---|---|---|---|
First 16° | Oct 10 | Oct 17 | Oct 22 | Oct 26 | Oct 30 | Nov 3 | Nov 8 | Nov 13 | Nov 20 |
First 20° | Sep 29 | Oct 5 | Oct 10 | Oct 14 | Oct 18 | Oct 21 | Oct 25 | Oct 30 | Nov 5 |
First 24° | Sep 20 | Sep 26 | Sep 30 | Oct 4 | Oct 7 | Oct 11 | Oct 14 | Oct 18 | Oct 24 |
First 28° | Sep 7 | Sep 12 | Sep 16 | Sep 19 | Sep 23 | Sep 26 | Sep 29 | Oct 3 | Oct 8 |
First 32° | Aug 30 | Sep 4 | Sep 8 | Sep 12 | Sep 15 | Sep 18 | Sep 22 | Sep 26 | Oct 1 |
First 36° | Aug 18 | Aug 23 | Aug 27 | Aug 30 | Sep 2 | Sep 5 | Sep 8 | Sep 11 | Sep 17 |
Data is provided by the NOAA National Centers for Environmental Information.