Climate guide for Lake Titicaca, Peru

Lake Titicaca in December

Weather, crowds & best time to visit

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December · Peru

Best time to visit Lake Titicaca in December Weather, crowds & prices

Weather in Lake Titicaca in December

Average temperature 10°C, 52 mm of rain, about 31 days with 6+ hours of sunshine and 61% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

December score

9.3/10

Ranked #3 of 12 months

Full year for Lake Titicaca
Avg temp
10°C
Rainfall
52 mm
Humidity
61%
Days with 6h+ sun
31
Crowd Density
Moderate Crowds
Average Expenses
$$$ · Peak Season Rates ($$$)

December in Lake Titicaca scores 9.3/10 for nature and wildlife travel - one of the top 12-month picks (#3). Expect around 10°C, 52 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.

Lake Titicaca floats reed islands and Aymara villages on the world's highest navigable lake. Best window: late spring through early autumn.

December ranks 3rd of 12 for Lake Titicaca — one of the best windows

December averages 10°C (51°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rainfall runs 52 mm, so plan one flexible day in three; you still get about 31 days with 6+ hours of sunshine and 12.9 hours of daylight.

A 9.3/10 puts this among the year's best months in Lake Titicaca (3rd of 12); only November scores higher, at 9.6/10.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer, footwear you can get muddy.

Figure on peak pricing, with crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Lake Titicaca in December?
In December, Lake Titicaca averages 10°C, 52 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 9.3/10.
Is December a good time to visit Lake Titicaca?
December earns a 9.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Lake Titicaca in December?
Expect about 52 mm of rain in December. Average humidity is 61% and there are about 31 days with 6+ hours of sunshine.

Curated in Lake Titicaca

Tickets & experiences

Things to do in Lake Titicaca

Lake Titicaca, Peru. Live activities and tours from GetYourGuide, matched to this destination.