best time to visit bwindi impenetrable forest

January falls in Bwindi's short dry season, when the steep trails firm up and trekking is more comfortable. Rainfall is low for a montane rainforest, with showers possible but rarely sustained.

Days are mild at around 22 degrees Celsius and mornings cool to about 12 degrees on the high slopes. The gorilla families are tracked every day of the year, so the gain here is footing rather than sightings. It is a touch quieter than the mid-year peak, though permits still warrant booking well ahead.

February is the most reliable month of the short dry season, with clearer skies and minimal mud on the trails. Of the early-year months this gives the most settled trekking conditions before the long rains arrive.

Temperatures hold steady, warm by day and cool at altitude overnight. Drier ground makes the climbs to the gorilla groups less demanding, which matters on Bwindi's sharp gradients. Demand is high for gorilla permits, so secure them several months in advance.

March opens the long rainy season and trekking conditions begin to deteriorate. Rainfall climbs sharply and the forest floor turns soft and slippery, making the steep sections harder going.

Treks still run, and the forest is lush and quiet with fewer visitors. Bird activity is high as breeding gets under way and migrants linger. But anyone wanting firm footing should look elsewhere; the mud and frequent downpours make this a demanding month underfoot.

April is among the wettest months of the year and the toughest for trekking. Heavy, frequent rain saturates the trails and the steep slopes become very slippery, with access roads harder to navigate after storms.

The trade-off is solitude and a forest at its greenest, and birding remains strong with migrants still present. For most travellers, though, the effort of the climbs in deep mud outweighs the quiet. This is a month to avoid if easier walking matters.

May sits at the tail of the long rains, with the forest floor still saturated and slippery. Rainfall eases towards the end of the month, but the ground stays soft and the steep tracks remain demanding.

It is nesting season for many forest birds, which makes it rewarding for birders willing to manage the wet. Visitor numbers are low and permit availability is good. Trekking itself, however, is still slow and effortful in the mud, so it suits the hardy rather than the cautious.

June marks the start of the long dry season and the best trekking conditions of the year. Rainfall drops sharply and the trails dry and firm, easing the climbs to the gorilla groups on Bwindi's steep terrain.

Days are pleasant and mornings cool at altitude. With the mud of the long rains gone, footing is more secure and visibility through the thinning understorey improves. This is peak season and permits sell out early, so book well in advance.

July is typically the driest month in Bwindi and prime for gorilla trekking. Only light showers are likely, and the firm ground makes the steep ascents to the gorilla families as manageable as they get.

Cool nights and mild days suit the physical effort of a trek. Forest visibility is good and the trails are at their most stable. Demand is at its highest across the year, so permits must be secured several months ahead.

August stays within the long dry season, with low rainfall and dependable trail conditions. The ground remains firm and the slopes more easily managed than in any wet month.

Conditions are similar to July, comfortable for hiking with cool mornings and mild afternoons. It remains a peak month, busy and in high demand. Book permits and lodges well ahead, as availability tightens through the dry season.

September is a turning point, with the long dry season ending and the short rains starting to build. Early in the month conditions can still be good, but rainfall increases as the weeks pass and the trails grow muddier.

It is variable year to year, which makes it a genuine shoulder month: some treks find firm ground, others meet soft slopes. Bird activity rises with the returning rains. Demand eases slightly from the mid-year peak, though it pays to be ready for wetter footing.

October sits in the short rainy season, with rainfall consistent and the trails muddy again. The steep, dense terrain becomes slippery and the climbs to the gorilla groups more taxing.

The upside is a quieter forest and better permit availability, with the green-season landscape at its richest. Some sources note the gorillas may feed on lower slopes when food is abundant, which can shorten treks. Even so, expect soggy ground and frequent showers underfoot.

November is one of the wettest months, with frequent and sometimes heavy rain leaving the trails deep in mud. Bwindi's steep slopes are at their most slippery and the trekking is demanding.

Migrant birds are arriving, adding to the forest's diversity for those focused on birding. Visitor numbers are low and permits are easier to come by. For comfortable walking, though, this remains a difficult month, suited to travellers who accept the wet for the quiet.

December brings the start of the short dry season and a return to firmer trekking conditions. The short rains ease, and although showers are still possible the trails begin to dry and firm up.

Days are mild and nights cool on the high slopes. Footing improves markedly on the steep climbs to the gorilla families compared with the preceding wet months. Demand rises around the holidays, so book permits early to secure the dates you want.