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Climate Statistics · City

Normal annual rainfall in Marathon

1991–2020 · 1 data point 390 of 391 · Towns of Florida Updated Oct 22, 2026
Climate · Marathon

Source: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, 1991–2020

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Overview 7 figures People 21 figures Economy 20 figures Housing 8 figures Education 10 figures Tourism 3 figures Climate 8 figures
Latest value · 1991–2020 39.7 in
Towns of Florida · 2020 390 of 391 Place 1 is the highest value.
Weather through the year long-term average 1991–2020 · Marathon Ap weather station, 2 km away
76° 64°
Jan
78° 66°
Feb
81° 69°
Mar
84° 73°
Apr
87° 76°
May
90° 78°
Jun
91° 79°
Jul
92° 80°
Aug
90° 78°
Sep
86° 76°
Oct
81° 71°
Nov
78° 67°
Dec
1.6
1.7
1.3
2.1
3.4
4.2
3.8
5.3
6.4
5.9
1.8
2.2
High and low, °F Precipitation, inches

Source: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, 1991–2020

Ranking · Towns of Florida

2020 · Place 1 is the highest value.

Highest first Lowest first A–Z
#TerritoryNormal annual rainfall
391 Islamorada 38.7 in
390 Marathon 39.7 in
389 Layton 40.4 in
388 Duck Key 40.4 in
387 Stock Island 40.4 in
386 Key West 40.4 in
385 Cudjoe Key 43.6 in
384 Tavernier 45.0 in
383 Big Pine Key 46.1 in
382 Treasure Island 46.7 in
381 Tierra Verde 46.7 in
380 St. Petersburg 46.7 in
379 St Pete Beach 46.7 in
378 South Pasadena 46.7 in
377 Gulfport 46.7 in
376 Jacksonville 47.6 in
375 Fruit Cove 47.6 in
374 Immokalee 48.0 in
373 Ave Maria 48.0 in
372 Williston 48.3 in
371 Neptune Beach 48.5 in
370 Atlantic Beach 48.5 in
369 Titusville 48.6 in
368 Port St John 48.6 in
367 Mims 48.6 in
…

Source: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, 2020

What it means

How much rain and snow (as water) falls in a typical year.

How it is calculated

Sum of the twelve monthly precipitation normals at the nearest weather station: 1991–2020, or the latest ten years; months with a few missing days are scaled up.