Winter
Dec → Feb24 to 25°
nights 17 to 19°
- 4 rainy days · 52 mm
When is the best time to visit Key West?
- Jan24°recommended
- Feb25°recommended
- Mar26°recommended
- Apr28°recommended
- May30°recommended
- Jun31°fair
- Jul32°not recommended
- Aug32°not recommended
- Sep31°not recommended
- Oct30°fair
- Nov27°recommended
- Dec25°recommended
RecommendedFairNot recommended· afternoon temperature
The weather in Key West, month by month
The table of averages, month by month
| Month | High | Low | Rainfall | Rainy days | Best |
|---|---|---|---|---|---|
| January | 24° | 17° | 51 mm | 5 d | ✓ |
| February | 25° | 18° | 50 mm | 4 d | ✓ |
| March | 26° | 19° | 36 mm | 4 d | ✓ |
| April | 28° | 22° | 55 mm | 4 d | ✓ |
| May | 30° | 23° | 94 mm | 6 d | ✓ |
| June | 31° | 25° | 122 mm | 8 d | |
| July | 32° | 25° | 114 mm | 10 d | |
| August | 32° | 26° | 156 mm | 11 d | |
| September | 31° | 25° | 209 mm | 13 d | |
| October | 30° | 24° | 153 mm | 9 d | |
| November | 27° | 21° | 83 mm | 5 d | ✓ |
| December | 25° | 19° | 56 mm | 4 d | ✓ |
The four seasons in Key West, in figures
What the 2015-2024 averages (Key West) show, season by season, to compare at a glance instead of reading twelve rows of a table.
Spring
Mar → May26 to 30°
nights 19 to 23°
- 5 rainy days · 62 mm
Summer
Jun → Aug31 to 32°
nights 25 to 26°
- 10 rainy days · 131 mm
Autumn
Sep → Nov27 to 31°
nights 21 to 25°
- 9 rainy days · 148 mm
Book early for November to May
The timing is right, so it is right for everyone: in these months the best places to stay and the small-group tours go first. Here is where to start.
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Daylight in Key West, month by month
The time between sunrise and sunset, from shortest to longest. Not to be confused with the sunshine hours in the table above, which count clear skies. In June there are 13h39 of daylight, in December 10h37, a difference of 3h02.
10h46Jan
11h18Feb
11h57Mar
12h42Apr
13h19May
13h39Jun
13h31Jul
12h59Aug
12h15Sep
11h32Oct
10h55Nov
10h37Dec
Calculated for the latitude of the reference point "Key West" (24.55°). Values on the 15th of each month, local solar time.
What to do in Key West, month by month
| Activity | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sightseeing & walks |
favourablewith compromisesunfavourable
- Sightseeing & walks: January, February, March, April, May, June, October, November, December
Grid derived from the climate averages (temperature, rainfall), not from an opinion.
Travelling off-peak
Month by month, in detail
January
Recommended24°17° at night
- 51 mm · 5 d
Busy, without the crush
February
Recommended25°18° at night
- 50 mm · 4 d
Busy, without the crush
March
Recommended26°19° at night
- 36 mm · 4 d
Busy, without the crush
April
Recommended28°22° at night
- 55 mm · 4 d
Busy, without the crush
May
Recommended30°23° at night
- 94 mm · 6 d
Busy, without the crush
June
Fair31°25° at night
- 122 mm · 8 d
Low season, lower prices
July
Not recommended32°25° at night
- 114 mm · 10 d
Low season, lower prices
August
Not recommended32°26° at night
- 156 mm · 11 d
Low season, lower prices
September
Not recommended31°25° at night
- 209 mm · 13 d
Low season, lower prices
October
Fair30°24° at night
- 153 mm · 9 d
Low season, lower prices
November
Recommended27°21° at night
- 83 mm · 5 d
Busy, without the crush
December
Recommended25°19° at night
- 56 mm · 4 d
Busy, without the crush
Read the twelve months in detail
January. Mild, 24 °C in the afternoon and 17 °C early in the morning. Rain stays light: 51 mm over 5 days. Busy season, without the crush.
February. 25 °C in the afternoon and 18 °C at night. Rain stays light: 50 mm over 4 days. Busy season, without the crush.
March. 26 °C in the afternoon and 19 °C at night. Rain stays light: 36 mm over 4 days. Busy season, without the crush.
April. 28 °C in the afternoon and 22 °C at night. Rain stays light: 55 mm over 4 days. Busy season, without the crush.
May. 30 °C in the afternoon and 23 °C at night. Rain stays light: 94 mm over 6 days. Busy season, without the crush.
June. 31 °C in the afternoon and 25 °C at night. Expect 8 days of rain in the month (122 mm). Low season: fewer people, lower prices.
July. Real heat: 32 °C at the warmest of the day, 25 °C at night. Expect 10 days of rain in the month (114 mm). Low season: fewer people, lower prices.
August. Real heat: 32 °C at the warmest of the day, 26 °C at night. Expect 11 days of rain in the month (156 mm). Low season: fewer people, lower prices.
September. 31 °C in the afternoon and 25 °C at night. Expect 13 days of rain in the month (209 mm). Low season: fewer people, lower prices.
October. 30 °C in the afternoon and 24 °C at night. Expect 9 days of rain in the month (153 mm). Low season: fewer people, lower prices.
November. 27 °C in the afternoon and 21 °C at night. Rain stays light: 83 mm over 5 days. Busy season, without the crush.
December. 25 °C in the afternoon and 19 °C at night. Rain stays light: 56 mm over 4 days. Busy season, without the crush.
Same season, other ideas
Their best time overlaps with this one: worth comparing before you book.
Frequently asked questions
When is the best time to visit Key West?
November to May: over these months, average highs range from 24 to 30 °C, with 5 days of rain a month on average (2015-2024 averages, Key West).
Which month should you avoid in Key West?
September: it is the wettest of the months to avoid, with 209 mm over 13 days of rain on average over 2015-2024 at the reference point (Key West).
What is the hottest month in Key West?
July, with 32 °C on average in the afternoon and 25 °C at night. 2015-2024 averages (Key West).
What is the coldest month in Key West?
January, with 24 °C at best during the day and 17 °C at night. 2015-2024 averages (Key West).
What is the driest month in Key West?
March: 36 mm over 4 days of rain, against 209 mm in September, the wettest month.
Plan this trip
📒 The free printable Key West guide: itinerary, map, where to sleep→
🧭 When to visit the American West: the country overview→
🗓️ Best time to visit: all our destinations→
Compare with other destinations
Photos: Ollie Craig / Pexels · Nikolai Kolosov / Pexels · Giorgio Galeotti / CC BY-SA 4.0 (Wikimedia Commons) · Julian Lupyan / CC0 (Wikimedia Commons) · C Watts / CC BY 2.0 (Wikimedia Commons) · Radomianin / CC BY-SA 4.0 (Wikimedia Commons)