Weather Almanac: Isabela, PR 00662

🗓️ Historical norms for May 2026

April June

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

May avg. precipitation

🌧️ 7.67"

May days below freezing

📉 ≈0.0 days

Average May lows 69°F – 71°F

USDA Zone

13a

Annual extreme lows 60°F to 65°F

Last Spring Frost (36°F)

🌷 Rare

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First Fall Frost (36°F)

🍂 Rare

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F: Forecast

H: Normal High Temp

L: Normal Low Temp

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Fri. May 1

🌅 6:00 a.m.

H: 83°F – 87°F

L: 67°F – 71°F

🌇 6:49 p.m.

Sat. May 2

🌅 6:00 a.m.

H: 83°F – 87°F

L: 67°F – 72°F

🌇 6:50 p.m.

Sun. May 3

🌅 5:59 a.m.

H: 83°F – 87°F

L: 67°F – 72°F

🌇 6:50 p.m.

Mon. May 4

🌅 5:59 a.m.

H: 83°F – 87°F

L: 67°F – 72°F

🌇 6:50 p.m.

Tue. May 5

🌅 5:58 a.m.

H: 83°F – 87°F

L: 67°F – 72°F

🌇 6:51 p.m.

Wed. May 6

🌅 5:58 a.m.

H: 83°F – 88°F

L: 67°F – 72°F

🌇 6:51 p.m.

Thu. May 7

🌅 5:57 a.m.

H: 83°F – 88°F

L: 67°F – 72°F

🌇 6:51 p.m.

Fri. May 8

🌅 5:57 a.m.

H: 83°F – 88°F

L: 67°F – 72°F

🌇 6:52 p.m.

Sat. May 9

🌅 5:56 a.m.

H: 83°F – 88°F

L: 67°F – 72°F

🌇 6:52 p.m.

Sun. May 10

🌅 5:56 a.m.

H: 83°F – 88°F

L: 67°F – 72°F

🌇 6:52 p.m.

Mon. May 11

🌅 5:55 a.m.

H: 83°F – 88°F

L: 67°F – 72°F

🌇 6:53 p.m.

Tue. May 12

🌅 5:55 a.m.

H: 83°F – 88°F

L: 68°F – 72°F

🌇 6:53 p.m.

Wed. May 13

🌅 5:55 a.m.

H: 83°F – 88°F

L: 68°F – 72°F

🌇 6:53 p.m.

Thu. May 14 Ascension

🌅 5:54 a.m.

H: 83°F – 88°F

L: 68°F – 72°F

🌇 6:54 p.m.

Fri. May 15

🌅 5:54 a.m.

H: 83°F – 88°F

L: 68°F – 72°F

🌇 6:54 p.m.

Sat. May 16

🌅 5:54 a.m.

H: 83°F – 88°F

L: 68°F – 72°F

🌇 6:54 p.m.

Sun. May 17

🌅 5:53 a.m.

H: 83°F – 88°F

L: 68°F – 72°F

🌇 6:55 p.m.

Mon. May 18

🌅 5:53 a.m.

H: 83°F – 88°F

L: 68°F – 72°F

🌇 6:55 p.m.

Tue. May 19

🌅 5:53 a.m.

H: 83°F – 88°F

L: 68°F – 72°F

🌇 6:56 p.m.

Wed. May 20

🌅 5:52 a.m.

H: 83°F – 88°F

L: 68°F – 73°F

🌇 6:56 p.m.

Thu. May 21

🌅 5:52 a.m.

H: 84°F – 88°F

L: 68°F – 73°F

🌇 6:56 p.m.

Fri. May 22

🌅 5:52 a.m.

H: 84°F – 88°F

L: 68°F – 73°F

🌇 6:57 p.m.

Sat. May 23

🌅 5:52 a.m.

H: 84°F – 88°F

L: 68°F – 73°F

🌇 6:57 p.m.

Sun. May 24 Pentecost

🌅 5:51 a.m.

H: 84°F – 88°F

L: 68°F – 73°F

🌇 6:58 p.m.

Mon. May 25 Memorial Day

🌅 5:51 a.m.

H: 84°F – 88°F

L: 68°F – 73°F

🌇 6:58 p.m.

Tue. May 26

🌅 5:51 a.m.

H: 84°F – 88°F

L: 68°F – 73°F

🌇 6:58 p.m.

Wed. May 27

🌅 5:51 a.m.

H: 84°F – 88°F

L: 68°F – 73°F

🌇 6:59 p.m.

Thu. May 28

🌅 5:51 a.m.

H: 84°F – 88°F

L: 69°F – 73°F

🌇 6:59 p.m.

Fri. May 29

🌅 5:51 a.m.

H: 84°F – 88°F

L: 69°F – 73°F

🌇 6:59 p.m.

Sat. May 30

🌅 5:51 a.m.

H: 84°F – 89°F

L: 69°F – 73°F

🌇 7:00 p.m.

Sun. May 31

🌅 5:51 a.m.

H: 84°F – 89°F

L: 69°F – 73°F

🌇 7:00 p.m.

April June

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

Temperature climatic data from weather station: ISABELA SUBSTN (RQC00664702)

Precipitation climatic data from weather station: MORA CAMP (RQC00666361)

Agricultural climatic data from weather station: ISABELA SUBSTN (RQC00664702)