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Bermuda's Climatology 1949-1999
Updated: 17th July, 2000.

  TEMPERATURE MEAN*
SEA
TEMP
Mean
Monthly
Mean
Daily
Extreme
MONTH High Low High Year Low Year
January 64.8 68.7 60.9 77.7 1997 46.0 55,82,89 66.2
February 63.9 67.8 59.9 79.0 1991 44.0 1950 65.4
March 64.4 68.6 60.2 79.0 1990 45.0 1951 65.2
April 66.7 70.8 62.5 81.0 72,89 48.0 1971 68.0
May 71.6 75.4 67.8 86.0 1988 55.0 81,84 72.1
June 76.8 80.6 73.0 90.0 1988 64.0 51,57,80,96 77.3
July 80.0 84.6 75.3 91.6 1994 68.0 51,62,70 81.6
August 80.9 85.7 76.1 93.0 1989 68.0 1957 82.8
September 79.1 83.8 74.3 91.8 1994 66.0 1986 81.2
October 75.0 79.4 70.6 89.0 1993 58.0 1972 76.8
November 70.1 74.5 65.7 84.0 1993 54.3 1996 72.7
December 66.2 70.6 61.7 80.0 1978 50.0 1955 68.0
Year 71.6 75.9 67.3 93.0 1989 44.0 1950 73.1

  PRECIPITATION WIND*
Mean
Monthly
Extreme Rain
Days
Thunder-
storm
Days
Prevailing
MONTH Most Year Least Year Direction & Speed
January 5.06 9.86 1958 0.54 1950 17 3 SW 13
February 4.54 9.79 1972 1.56 1950 15 2 W 14
March 4.33 9.83 1986 1.31 1989 15 3 W 15
April 3.46 8.62 1984 0.33 1973 12 3 SW 13
May 3.26 11.70 1997 0.28 1991 10 3 SW 11
June 5.13 14.18 1962 0.84 1974 12 4 SW 11
July 4.51 10.58 1957 0.74 1975 13 5 SSW 10
August 5.15 12.23 1997 1.44 1967 14 9 SW 10
September 5.09 11.15 1983 0.94 1985 15 6 E 9
October 6.35 14.55 1967 0.96 1949 16 3 E 11
November 4.12 10.54 1962 0.78 1952 13 3 SW 11
December 4.50 11.73 1960 1.07 1999 17 2 W 13
Year 55.50 75.42 1962 37.14 1975 171 46 SW 12

Data Source: The Bermuda Weather Service

Temperature measured in Deg F. Rainfall measured in inches.
Wind speed measured in knots. (1 knot = 1.15 M.P.H.)
Note: Differences between the sum of the monthly mean rainfall and the annual total, and similarly for rain days, are due to round-off error.
A Rain Day is defined as any day with precipitation greater than or equal to 0.01 hundreths of an inch
 
* This data is for the period 1949 to 1992.