Key Biscayne Weather in April
Average highs run from 82°F on April 1 to 85°F on April 30, and lows from 69°F to 74°F. Normal precipitation for the month is 3.17 in over about 6 wet days.
April day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
April at a glance
- Average high
- 84°F
- Average low
- 72°F
- Precipitation
- 3.17 in
- Record high
- 97°FApr 20, 2020
- Record low
- 42°FApr 7, 1950
- Chance of a freeze
- 0%
- Days of 90°F or more
- 0.8
- Daylight
- 12 h 25 min to 13 h 06 min
- Cloud cover
- 47%
- Humidity
- 74%
- Dew point
- 67°F
- Wind
- 12.5 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Apr 1 | 82°F | 69°F | 89°F 1985 | 48°F 1987 | 20% |
| Apr 2 | 82°F | 69°F | 92°F 1948 | 52°F 1987 | 20% |
| Apr 3 | 83°F | 69°F | 91°F 1975 | 53°F 1985 | 20% |
| Apr 4 | 83°F | 70°F | 90°F 2009 | 53°F 1987 | 20% |
| Apr 5 | 83°F | 70°F | 92°F 2011 | 48°F 1987 | 20% |
| Apr 6 | 83°F | 70°F | 92°F 2009 | 47°F 1950 | 20% |
| Apr 7 | 83°F | 70°F | 93°F 1956 | 42°F 1950 | 20% |
| Apr 8 | 83°F | 70°F | 92°F 2020 | 46°F 1971 | 21% |
| Apr 9 | 83°F | 71°F | 94°F 2020 | 53°F 1987 | 21% |
| Apr 10 | 83°F | 71°F | 95°F 2020 | 55°F 1974 | 21% |
| Apr 11 | 83°F | 71°F | 92°F 1999 | 54°F 1973 | 21% |
| Apr 12 | 84°F | 71°F | 92°F 1963 | 54°F 1973 | 21% |
| Apr 13 | 84°F | 71°F | 91°F 1965 | 53°F 1956 | 21% |
| Apr 14 | 84°F | 71°F | 91°F 2009 | 55°F 1956 | 21% |
| Apr 15 | 84°F | 72°F | 93°F 1975 | 51°F 1950 | 21% |
| Apr 16 | 84°F | 72°F | 93°F 1965 | 49°F 1950 | 21% |
| Apr 17 | 84°F | 72°F | 90°F 1999 | 49°F 1952 | 21% |
| Apr 18 | 84°F | 72°F | 93°F 2020 | 50°F 1983 | 21% |
| Apr 19 | 84°F | 72°F | 92°F 1969 | 54°F 1997 | 21% |
| Apr 20 | 84°F | 72°F | 97°F 2020 | 54°F 1956 | 22% |
| Apr 21 | 84°F | 73°F | 94°F 2020 | 53°F 1953 | 22% |
| Apr 22 | 84°F | 73°F | 90°F 1971 | 60°F 1953 | 22% |
| Apr 23 | 85°F | 73°F | 91°F 1991 | 57°F 1986 | 22% |
| Apr 24 | 85°F | 73°F | 95°F 2020 | 60°F 1986 | 22% |
| Apr 25 | 85°F | 73°F | 93°F 1971 | 57°F 1983 | 23% |
| Apr 26 | 85°F | 73°F | 96°F 2015 | 55°F 1983 | 23% |
| Apr 27 | 85°F | 73°F | 94°F 2015 | 57°F 1983 | 23% |
| Apr 28 | 85°F | 73°F | 92°F 1988 | 57°F 1992 | 24% |
| Apr 29 | 85°F | 73°F | 92°F 1986 | 54°F 1992 | 24% |
| Apr 30 | 85°F | 74°F | 96°F 1971 | 60°F 1948 | 25% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (EDT).
- April 1
- sunrise 7:12 AM, sunset 7:37 PM
- April 30
- sunrise 6:45 AM, sunset 7:51 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00081306 (Cape Florida), public domain. Records: NOAA GHCN-Daily, station USW00012839, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.