As a cigar aficionado, you know that the flavor and aroma of a perfectly aged cigar is truly something special. But that peak smoke requires more than just a quality cigar—you also need to store your cigars in the right environment. Poor storage leads to dried out, harsh smokes or overly moist cigars that won’t light properly and burn unevenly.
This guide covers everything you need to know about the ideal temperature and humidity for your cigars. We’ll get into the science behind why cigars need specific conditions and give you the knowledge to maintain the perfect environment, whether you’ve been collecting for years or just bought your first humidor.
Why Cigars Are So Sensitive to Their Environment
If you’ve smoked a cigar that was too dry, you already know the bitter flavor and hot, fast burn it produces. On the other end, an overly moist cigar won’t light easily and won’t stay lit, with an uneven burn and acidic taste. Neither situation lets you enjoy the flavors and aromas the cigar maker intended.
Cigars are this sensitive because of the delicate balance of oils and sugars in the tobacco leaves. Cigars are hygroscopic, which means they absorb and release moisture from the air around them.
Too much heat and low humidity cause essential oils to evaporate, which dries out the cigar. Too much humidity, especially with higher temperatures, oversaturates the tobacco, promotes mold growth, and creates an unpleasant, musty aroma.
The 70/70 Rule Explained
Walk into any well-stocked cigar shop humidor and you’ll likely see a hygrometer close to 70% relative humidity and a thermometer around 70°F. This “70/70 rule” has become the default guideline for cigar storage, and for good reason—it works well for most cigars.
At 70% RH, the cigar maintains a stable moisture level around 12-15% of its total weight, which is ideal for combustion and flavor development. The 70°F temperature is warm enough to encourage proper development without mold problems.
That said, many aficionados now prefer slightly lower settings. The traditional 70/70 rule still works, but cigar communities have found that humidity around 65-68% and temperatures in the mid-to-upper 60s give you a better burn, crisper draw, and more pronounced flavors. This shift shows how cigars actually perform better when they’re not overly moist.
Stay within the acceptable range of 64-70°F and 65-70% RH. This gives you flexibility to find your ideal conditions while you avoid the dangers of extreme highs or lows. Aim to maintain your target level without major swings—consistency matters.
Quick Reference Table
| Parameter | Ideal Range | Danger Zone |
| Temperature | 64-70°F (18-21°C) | Above 72°F (beetle risk) |
| Relative Humidity | 65-70% RH | Above 72% (mold risk) |
| Cigar Moisture Content | 12-15% by weight | Below 10% (too dry) |
The Best Temperature Range for Your Humidor
Temperature and humidity work together. Warmer air holds more moisture than cooler air, so the same RH percentage can mean different amounts of actual moisture as temperature changes. If you keep your ideal RH level (usually 65-70%) while temperature stays below 70°F, your cigars will have the right moisture content.
Critical temperature thresholds:
Temperature Zones for Cigar Storage
Danger Zone
Above 75°F
High risk of beetle infestation and rapid, uncontrolled changes to your cigars
Caution
72-75°F
Beetle eggs can hatch; mold growth accelerates at these temperatures
Ideal Range
64-70°F
Sweet spot for storage—cigars develop properly while protected from pests
Too Cool
Below 64°F
Development slows significantly; tobacco oils stiffen and reduce flavor
Humidity Needs by Cigar Type
Not all cigars perform best at the same humidity level. Wrapper type and origin affect the optimal conditions.
Cuban Cigars
Habanos S.A., the official distributor of Cuban cigars, recommends storing Habanos at 61-64°F (16-18°C) and 65-70% RH—notably cooler than the traditional 70/70 rule. Cuban cigars have thinner wrappers that absorb more moisture and tend to perform better at slightly drier conditions, around 62-65% RH.
Humidity by Wrapper Type
Recommended Humidity by Wrapper Type
Short-Term vs. Long-Term Storage
How you store cigars depends on whether you plan to smoke them soon or let them develop for years.
Short-Term vs. Long-Term Storage Settings
Short-Term Storage
Smoke within months
Goal
Keep cigars ready to smoke at any time
Long-Term Storage
Develop over years
Goal
Slow, gradual flavor development and mellowed harshness
Tip: Cigars stored long-term at lower humidity need 1-2 weeks in your everyday humidor (65-70% RH) before you smoke them.
Everyday storage (smoke within months): 64-70°F and 65-70% RH. This keeps cigars in ready-to-smoke condition.
Long-term storage (years): 60-65°F and 60-65% RH. Cooler, drier conditions slow development for better results and reduce mold risk. Most premium cigars benefit from 6-12 months of rest after purchase. Cuban cigars often reach their peak after 5+ years.
Cigars stored at lower humidity for long periods should be moved to your everyday humidor (65-70% RH) for 1-2 weeks before you smoke them.
What Happens at Extreme Humidity Levels
Humidity Zones and What They Mean for Your Cigars
Too Dry
Below 60% RH
- Wrapper cracks and peels
- Harsh, bitter smoke
- Burns too fast and hot
- Oils evaporate permanently
Ideal Range
65-70% RH
- Even, smooth burn
- Full flavor profile
- Perfect draw resistance
- Proper development
Too Humid
Above 72% RH
- Spongy, tight draw
- Hard to keep lit
- Muted flavors
- Mold risk increases
Plume vs. Mold
Plume (bloom): A fine, white crystalline powder on well-rested cigars. It’s crystallized oils and sugars—a sign your cigar is healthy. Just brush it off before you smoke.
Mold: Fuzzy, blue-green or gray growth in patches. Unlike plume, mold has visible texture and often smells musty. Cigars with minor surface mold can be wiped clean, but throw away severely affected cigars.
How to Maintain Proper Conditions
Boveda Packs
Boveda packs provide two-way humidity control—they release moisture when humidity drops and absorb excess when levels rise. They contain a salt solution that regulates humidity to a precise level (±2% RH). Use one 60-gram pack per 25 cigars. Replace every 2-4 months when packs become stiff. Boveda offers packs in 65%, 69%, 72%, and 75% RH—most aficionados prefer 65% or 69%.
Electric Humidors and Wineadors
For larger collections, electric humidors or converted wine coolers (“wineadors”) use thermoelectric cooling to maintain stable temperatures regardless of room conditions. Look for Spanish cedar shelves, digital controls, and an airtight seal. Popular brands include NewAir, Whynter, and Remington, with prices from $300 to $2,800+.
Humidor Placement
- Avoid: Direct sunlight, heat vents, radiators, electronics that generate heat
- Ideal: Cool, dark location with stable temperature
Common Questions
Is 62% humidity too low?
No. Many aficionados find that 62% gives a clean, even burn with more pronounced flavors, especially for Cuban cigars.
Is 72% or 75% humidity too high?
Yes, for most situations. At these levels, cigars are more likely to burn unevenly or develop mold. Stay closer to 65-68%.
Can I store Cuban and non-Cuban cigars together?
Yes, but Cuban cigars often prefer slightly lower humidity (62-65%) than some non-Cubans. If possible, use separate compartments.
How long can cigars last in a humidor?
Premium cigars at proper temperature and humidity can last indefinitely—decades or longer. Many collectors store cigars for 10-25+ years.
Can I store cigars in a refrigerator?
No—refrigerators are too dry and will desiccate your cigars.
Final Thoughts
The “perfect” temperature and humidity for cigars is 64-70°F and 65-70% RH for most situations. Stay within these ranges, keep conditions consistent, and adjust based on your cigar types and personal preference.
Cuban cigars and thick Maduro wrappers do better slightly drier (62-65% RH). Thin Connecticut Shade wrappers prefer the higher end (68-70% RH). For long-term storage, go cooler and drier (60-65°F and 60-65% RH).
Your cigars are a reflection of your taste—show them the care they deserve, and they’ll repay you with great smokes for years to come.
jay
Self proclaimed cigar expert. I've been smoking since 2010. I've practically lived at a cigar lounge from 10am to 10pm and trying every new cigar that came out for years.