Unlike a beach holiday or a migration safari, gorilla trekking doesn’t really have an “off” season in the way most people imagine. Mountain gorillas live in the same forest year-round, permits are issued every day of the year, and sightings are just as likely in July as they are in January. What changes with the calendar isn’t whether you’ll find gorillas — it’s how comfortable, crowded, and affordable the experience will be.

The two dry seasons

East Africa’s equatorial climate gives Bwindi, Mgahinga, and Volcanoes National Park two drier windows: mid-December to mid-February, and June to September. These months bring firmer trails, lower humidity, and easier footing on the steep volcanic and forest slopes gorillas call home. If your priority is a physically easier hike, book within these windows.

They’re also the busiest months. Lodges around Bwindi and Kinigi fill up six to twelve months in advance, and gorilla permits — capped at a fixed number per day — can sell out well ahead of the date. If you’re set on trekking in July or over the Christmas–New Year period, secure your permit as early as possible.

The quieter, greener months

March to May and October to November bring more rainfall, which means muddier trails, thicker undergrowth, and a genuine workout getting to a gorilla family. It also means fewer trekkers on the mountain, more relaxed lodge availability, and occasionally better rates on accommodation. The forest is at its most lush and photogenic during these months, and rain rarely falls for the entire day — most showers pass within an hour or two.

Serious trekkers who don’t mind gaiters and a walking stick often prefer this window specifically because the parks feel emptier and wilder.

What doesn’t change

• Gorilla permit prices are set annually by the Uganda Wildlife Authority and Rwanda Development Board, not by season.
• Trekking difficulty always depends on where the gorilla family was last seen — this can turn any day, wet or dry, into a short stroll or a four-hour climb.
• Both countries allow booking a permit for any date of the year, with no calendar “blackout” months.

How to decide

If your travel dates are fixed by work or school holidays, don’t let the season dictate your trip — go when you can, and pack accordingly. If your dates are flexible, weigh a firmer trail and bigger crowds against a wetter hike with more breathing room. Either way, book your permit three to six months out, since availability — not weather — is the real constraint on when you can trek.

Frequently Asked Questions

Is there a genuinely bad month to go gorilla trekking?
No. Every month offers a real chance of a successful trek. The difference is trail conditions and crowd levels, not gorilla sightings.

Do permits cost more during the dry season?
No, permit prices are fixed by the issuing authorities for the calendar year regardless of season.

Can you still trek gorillas during heavy rain?
Yes. Treks go ahead in the rain; guides simply adjust pace and route. Waterproof layers and gaiters make the experience far more comfortable.

How far in advance should I book for peak months?
Aim for six to twelve months ahead for June–September and the December holidays, since these are the two periods most likely to sell out.

At Thrills & Chills Safaris, we build gorilla trekking itineraries around your travel dates first, then help you plan for whatever the forest throws at you that week.