Climate data for Miami International Airport, 1991−2020 normals,[a] extremes 1895−present[b]
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 88
(31) 		89
(32) 		93
(34) 		97
(36) 		98
(37) 		98
(37) 		100
(38) 		98
(37) 		97
(36) 		95
(35) 		91
(33) 		89
(32) 		100
(38)
Mean maximum °F (°C) 84.4
(29.1) 		85.8
(29.9) 		89.0
(31.7) 		90.7
(32.6) 		92.8
(33.8) 		94.2
(34.6) 		94.7
(34.8) 		94.5
(34.7) 		93.2
(34.0) 		90.9
(32.7) 		87.0
(30.6) 		84.9
(29.4) 		95.8
(35.4)
Mean daily maximum °F (°C) 76.2
(24.6) 		78.2
(25.7) 		80.6
(27.0) 		83.6
(28.7) 		86.7
(30.4) 		89.3
(31.8) 		90.6
(32.6) 		90.7
(32.6) 		89.0
(31.7) 		85.9
(29.9) 		81.3
(27.4) 		78.2
(25.7) 		84.2
(29.0)
Daily mean °F (°C) 68.6
(20.3) 		70.7
(21.5) 		73.1
(22.8) 		76.7
(24.8) 		80.1
(26.7) 		82.8
(28.2) 		84.1
(28.9) 		84.2
(29.0) 		83.0
(28.3) 		80.1
(26.7) 		74.8
(23.8) 		71.2
(21.8) 		77.4
(25.2)
Mean daily minimum °F (°C) 61.0
(16.1) 		63.2
(17.3) 		65.6
(18.7) 		69.8
(21.0) 		73.4
(23.0) 		76.3
(24.6) 		77.5
(25.3) 		77.7
(25.4) 		76.9
(24.9) 		74.2
(23.4) 		68.3
(20.2) 		64.3
(17.9) 		70.7
(21.5)
Mean minimum °F (°C) 45.1
(7.3) 		48.5
(9.2) 		52.3
(11.3) 		59.6
(15.3) 		66.7
(19.3) 		71.5
(21.9) 		72.5
(22.5) 		72.8
(22.7) 		72.7
(22.6) 		65.0
(18.3) 		55.7
(13.2) 		49.7
(9.8) 		42.5
(5.8)
Record low °F (°C) 28
(−2) 		27
(−3) 		32
(0) 		39
(4) 		50
(10) 		60
(16) 		66
(19) 		67
(19) 		62
(17) 		45
(7) 		36
(2) 		30
(−1) 		27
(−3)
Average precipitation inches (mm) 1.83
(46) 		2.15
(55) 		2.46
(62) 		3.36
(85) 		6.32
(161) 		10.51
(267) 		7.36
(187) 		9.58
(243) 		10.22
(260) 		7.65
(194) 		3.53
(90) 		2.44
(62) 		67.41
(1,712)
Average precipitation days (≥ 0.01 in) 7.7 6.5 6.3 6.9 10.8 17.6 17.3 19.4 18.1 13.8 8.6 8.0 141.0
Average relative humidity (%) 72.7 70.9 69.5 67.3 71.6 76.2 74.8 76.2 77.8 74.9 73.8 72.5 73.2
Average dew point °F (°C) 57.6
(14.2) 		57.6
(14.2) 		60.4
(15.8) 		62.6
(17.0) 		67.6
(19.8) 		72.0
(22.2) 		73.0
(22.8) 		73.8
(23.2) 		73.2
(22.9) 		68.7
(20.4) 		63.9
(17.7) 		59.2
(15.1) 		65.8
(18.8)
Mean monthly sunshine hours 219.8 216.9 277.2 293.8 301.3 288.7 308.7 288.3 262.2 260.2 220.8 216.1 3,154
Percent possible sunshine 66 69 75 77 72 70 73 71 71 73 68 66 71
Average ultraviolet index 5.1 6.7 8.6 10.2 10.5 10.7 10.8 10.5 9.3 7.1 5.3 4.5 8.2
Source 1: NOAA (relative humidity, dew point and sun 1961–1990),[1][2][3] The Weather Channel[4]
Source 2: UV Index Today (1995 to 2022),[5] Thunderstorm days (1961 to 1990)[6]


Notes

  1. ^ Mean monthly maxima and minima (i.e. the highest and lowest temperature readings during an entire month or year) calculated based on data at said location from 1991 to 2020.
  2. ^ Official records for Miami were kept at the Lemon City from September 1895 to November 1900, the Miami COOP from December 1900 to May 1911, the Weather Bureau Office from June 1911 to February 1937, at various locations in and around the city from March 1937 to July 1942, and at Miami Int'l since August 1942. For more information, see ThreadEx.

References

  1. ^ "NOWData – NOAA Online Weather Data". National Oceanic and Atmospheric Administration. Retrieved May 9, 2021.
  2. ^ "Summary of Monthly Normals 1991–2020". National Oceanic and Atmospheric Administration. Retrieved May 9, 2021.
  3. ^ "WMO Climate Normals for Miami, FL 1961–1990". National Oceanic and Atmospheric Administration. Retrieved 2020-07-18.
  4. ^ "Monthly Averages for Miami International Airport". The Weather Channel. Retrieved 2013-10-12.
  5. ^ "Historical UV Index Data - Miami, FL". UV Index Today. Retrieved April 21, 2023.
  6. ^ "Number Days with Thunder". UNdata. Retrieved June 19, 2023.
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