Weather Almanac: Key Colony Beach, FL 33051

🗓️ Historical norms for May 2026

Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.

May avg. precipitation

🌧️ 3.35"

May days below freezing

📉 ≈0.0 days

Average May lows 74°F – 78°F

USDA Zone

11b

Annual extreme lows 45°F to 50°F

Last Spring Frost (36°F)

🌷 Rare

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First Fall Frost (36°F)

🍂 Rare

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📚 The Timber Press Guide to Vegetable Gardening in the Southeast

F: Forecast

H: Normal High Temp

L: Normal Low Temp

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Fri. May 1

🌅 6:48 a.m.

H: 81°F – 87°F

L: 71°F – 77°F

🌇 7:53 p.m.

Sat. May 2

🌅 6:47 a.m.

H: 82°F – 87°F

L: 71°F – 77°F

🌇 7:54 p.m.

Sun. May 3

🌅 6:47 a.m.

H: 82°F – 87°F

L: 71°F – 77°F

🌇 7:54 p.m.

Mon. May 4

🌅 6:46 a.m.

H: 82°F – 87°F

L: 71°F – 77°F

🌇 7:55 p.m.

Tue. May 5

🌅 6:45 a.m.

H: 82°F – 87°F

L: 71°F – 77°F

🌇 7:55 p.m.

Wed. May 6

🌅 6:45 a.m.

H: 82°F – 88°F

L: 71°F – 78°F

🌇 7:56 p.m.

Thu. May 7

🌅 6:44 a.m.

H: 82°F – 88°F

L: 72°F – 78°F

🌇 7:56 p.m.

Fri. May 8

🌅 6:44 a.m.

H: 83°F – 88°F

L: 72°F – 78°F

🌇 7:57 p.m.

Sat. May 9

🌅 6:43 a.m.

H: 83°F – 88°F

L: 72°F – 78°F

🌇 7:57 p.m.

Sun. May 10

🌅 6:42 a.m.

H: 83°F – 88°F

L: 72°F – 78°F

🌇 7:58 p.m.

Mon. May 11

🌅 6:42 a.m.

H: 83°F – 88°F

L: 72°F – 78°F

🌇 7:58 p.m.

Tue. May 12

🌅 6:41 a.m.

H: 83°F – 88°F

L: 73°F – 79°F

🌇 7:59 p.m.

Wed. May 13

🌅 6:41 a.m.

H: 83°F – 89°F

L: 73°F – 79°F

🌇 7:59 p.m.

Thu. May 14 Ascension

🌅 6:40 a.m.

H: 83°F – 89°F

L: 73°F – 79°F

🌇 8:00 p.m.

Fri. May 15

🌅 6:40 a.m.

H: 84°F – 89°F

L: 73°F – 79°F

🌇 8:00 p.m.

Sat. May 16

🌅 6:39 a.m.

H: 84°F – 89°F

L: 73°F – 79°F

🌇 8:01 p.m.

Sun. May 17

🌅 6:39 a.m.

H: 84°F – 89°F

L: 74°F – 79°F

🌇 8:01 p.m.

Mon. May 18

🌅 6:38 a.m.

H: 84°F – 89°F

L: 74°F – 80°F

🌇 8:02 p.m.

Tue. May 19

🌅 6:38 a.m.

H: 85°F – 90°F

L: 74°F – 80°F

🌇 8:02 p.m.

Wed. May 20

🌅 6:38 a.m.

H: 85°F – 90°F

L: 74°F – 80°F

🌇 8:03 p.m.

Thu. May 21

🌅 6:37 a.m.

H: 85°F – 90°F

L: 74°F – 80°F

🌇 8:03 p.m.

Fri. May 22

🌅 6:37 a.m.

H: 85°F – 90°F

L: 74°F – 80°F

🌇 8:04 p.m.

Sat. May 23

🌅 6:36 a.m.

H: 85°F – 90°F

L: 75°F – 80°F

🌇 8:04 p.m.

Sun. May 24 Pentecost

🌅 6:36 a.m.

H: 85°F – 90°F

L: 75°F – 81°F

🌇 8:05 p.m.

Mon. May 25 Memorial Day

🌅 6:36 a.m.

H: 86°F – 91°F

L: 75°F – 81°F

🌇 8:05 p.m.

Tue. May 26

🌅 6:36 a.m.

H: 86°F – 91°F

L: 75°F – 81°F

🌇 8:06 p.m.

Wed. May 27

🌅 6:35 a.m.

H: 86°F – 91°F

L: 75°F – 81°F

🌇 8:06 p.m.

Thu. May 28

🌅 6:35 a.m.

H: 86°F – 91°F

L: 75°F – 81°F

🌇 8:07 p.m.

Fri. May 29

🌅 6:35 a.m.

H: 86°F – 91°F

L: 76°F – 81°F

🌇 8:07 p.m.

Sat. May 30

🌅 6:35 a.m.

H: 86°F – 92°F

L: 76°F – 81°F

🌇 8:08 p.m.

Sun. May 31

🌅 6:34 a.m.

H: 87°F – 92°F

L: 76°F – 82°F

🌇 8:08 p.m.

Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.

Temperature climatic data from weather station: MARATHON AP (USW00012896)

Precipitation climatic data from weather station: MARATHON AP (USW00012896)

Agricultural climatic data from weather station: MARATHON AP (USW00012896)