CannaGLAP
Grow cannabis in Binghamton, NY
Growing cannabis in Binghamton: summer nights that stay cool, and not for long
Binghamton's summer is short on warm nights. The airport station, 7.8 miles away and 1,606 feet up, averages 50°F or warmer after dark only from May 29 to September 17, under four months. Even July, the warmest month, averages a low near 59°F.
Days are mild too: July tops out around 78°F, and 90°F comes on only about 2 days in a typical year. Here the lamp is more often your heater than your problem. Was your setup built for the rare hot week, or for the cool nights that fill most of the year?
Adults 21 and over: yes. Plant limit: 3 mature + 3 immature per adult; 6 mature + 6 immature per residence.
Secure location, not accessible to under 21s; not plainly visible from public view. Source: NY OCM home cultivation FAQ. Local rules (landlords, HOAs, city codes) can add more; this is a summary, not legal advice.
Running warm in a cool Binghamton house
Treat the lamp as part of the heating. With summer nights in the 50s, a basement tent on the West Side or a spare room downtown off Court Street stays comfortable with the lights on by day, and from mid September, moving the light period to night puts the lamp's warmth into the coldest hours. Watch the gap between lights-on and lights-off: a sharp drop when the lamp shuts off is when water condenses on leaves and tent walls.
Cool air and damp air come together here. Humidity averaged 81 percent in August 2024, the highest of the months measured, then 78 in September and 75 in October. Cool nights push a tent's relative humidity up further, because the same water reads higher as air cools. A dehumidifier and a fan through the canopy from August on, left running through the dark period, keep a Binghamton flower room clean.
Winter is long: about 142 freezing nights a year, roughly 26 to 29 a month from December through February, and January lows near 16°F. Roots on a cold slab stall, so raise pots, use mats for young plants, and keep lamps on through the night. A heated house runs dry in January despite the 76 percent outdoor reading; only an unheated, damp basement needs dehumidifying then.
Heater safety: use one with tip-over and overheat shutoff, plug it straight into a wall outlet (not an extension cord or power strip), and keep it a few feet from tent fabric and plants.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 30 | 32 | 41 | 54 | 66 | 74 | 78 | 77 | 70 | 57 | 45 | 34 |
| Avg low °F | 16 | 17 | 24 | 35 | 46 | 55 | 59 | 58 | 51 | 41 | 31 | 22 |
| Humidity % | 76 | 72 | 75 | 81 | 78 | 75 |
Highs and lows: NOAA 1991 to 2020 normals, Binghamton station (7.8 miles away). Humidity: Open-Meteo historical model data, average daily humidity in 2024, for the months shown. Planning averages, not a forecast.
A Broome County outdoor season
New York allows 3 mature and 3 immature plants per adult, up to 6 mature and 6 immature per residence, kept in a secure location people under 21 cannot get into and not plainly visible from public view. If your yard has a spot like that, start seeds under lights April 6 to April 20 and set plants out May 18 or later. Frost usually ends around May 2, but May 18 is the safe date.
From May 18 to an early frost on September 28 is about 133 days, and the nights cool quickly after mid September. Autoflowers or quick photoperiods that ripen by mid September suit Binghamton, coming down before the first frost and the worst of September's 78 percent air. After a cool, wet night, open the largest buds and look for gray mold.
| Last spring frost | May 2 in a typical year, May 18 to be safe (later only 1 year in 10) |
|---|---|
| First fall frost | Oct 11 typical, as early as Sep 28 (1 year in 10) |
| Frost-free season | about 162 days |
| Nights stay 50°F or warmer | May 29 to Sep 17 |
| Start seeds or clones indoors | Apr 6 to Apr 20 |
| Move plants outdoors | May 18 or later |
| Season note | Frost can arrive before mid October here: long flowering plants may not finish outdoors |
Friendly on the porch, private in the journal
On a Binghamton Porchfest afternoon, your neighbors are out on their porches and you are on yours. Being friendly is easy. Being private about a tent in the basement takes a little planning, and the notes you keep are part of it.
Canna GLAP encrypts the grow journal on your phone before upload, so a burglar inside our servers would carry off grow records with no key to read them. It cannot hide a smell or a glow through a window; a secure, out-of-view spot does that part.
What is encrypted: your plants, notes, photos, feed logs and harvests. What is not: account details (such as your email, name and plan), a grow name or town if you type one, your team, and your sensors' names. The full list: what a hacker would get.
Questions growers in Binghamton ask
When should I plant cannabis outside in Binghamton?
May 18 or later, after starting seeds April 6 to April 20. Frost can return by September 28, which leaves about 133 days.
How cool are Binghamton summer nights?
July nights average about 59°F and August about 58°F at the airport station, which sits at 1,606 feet. The average night stays at 50°F or above only from May 29 to September 17.
Is Binghamton too humid for growing cannabis?
It is damp late in the season: humidity averaged 81 percent in August 2024 and 75 to 78 in September and October. Run a dehumidifier through flower.
Growing near Binghamton
- Grow cannabis in Ithaca, NY 38 miles
- Grow cannabis in Auburn, NY 66 miles
- Grow cannabis in Syracuse, NY 67 miles
- Grow cannabis in Utica, NY 78 miles
- Grow cannabis in Poughkeepsie, NY 106 miles
All New York cities · Every state where adults may grow at home