Climate guide for Key West, United States

Key West in January

Weather, crowds & best time to visit

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January · United States

Best time to visit Key West in January Weather, crowds & prices

Weather in Key West in January

Average temperature 23°C, 54 mm of rain, about 12 days with 6+ hours of sunshine and 80% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

January score

7.7/10

Ranked #3 of 12 months

Full year for Key West
Avg temp
23°C
Rainfall
54 mm
Humidity
80%
Days with 6h+ sun
12
Crowd Density
Moderate Crowds
Average Expenses
$$$ · Peak Season Rates ($$$)

January in Key West scores 7.7/10 for beach and coastal travel - one of the top 12-month picks (#3). Expect around 23°C, 54 mm of rain, and roughly 12 days with 6+ hours of sunshine this month.

Conch pastel lanes at the end of Overseas Highway at their best in January-April.

January in Key West: strong conditions, 3rd of 12

January averages 23°C (73°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Rainfall runs 54 mm, so plan one flexible day in three; you still get about 12 days with 6+ hours of sunshine and 10.6 hours of daylight.

It scores 7.7/10 here, 3rd of 12 months, against 8.6/10 in the destination's best month.

Pack light clothing, swimwear and real sun protection, a packable rain layer.

Plan for 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 Key West in January?
In January, Key West averages 23°C, 54 mm of rain, and about 12 days with 6+ hours of sunshine. Its climate-comfort score is 7.7/10.
Is January a good time to visit Key West?
January earns a 7.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Key West in January?
Expect about 54 mm of rain in January. Average humidity is 80% and there are about 12 days with 6+ hours of sunshine.

Curated in Key West

Tickets & experiences

Things to do in Key West

Key West, United States. Live activities and tours from GetYourGuide, matched to this destination.