Old Harbour monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Old Harbour

Old Harbour average temperature chart (Celsius) Old Harbour average temperature chart (Fahrenheit)
Average monthly temperatures in Old Harbour (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 29.8 29.9 30 30.5 30.8 31.1 32 32.1 31.6 30.8 30.4 30.1
°F 85.6 85.8 86 87 87.4 88 89.6 89.8 88.9 87.5 86.8 86.2

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Old Harbour monthly rainfall chart (mm) Old Harbour monthly rainfall chart (inches)
Average monthly rainfall in Old Harbour (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 29 44 39 69 129 91 67 144 152 245 105 39
inches 1.2 1.7 1.5 2.7 5.1 3.6 2.6 5.7 6 9.7 4.1 1.5
Rainy days 7 6 6 7 11 12 13 13 14 16 11 8

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Old Harbour

Old Harbour average daily sunshine chart
Average daily sunshine Old Harbour
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 7.8 8 8.2 8.6 7.3 7.3 8.2 8 7 6.6 6.9 7.1

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Old Harbour average minimum / maximum temperatures (Celsius) Old Harbour average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Old Harbour (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 20 20.1 20.8 21.7 22.9 23.3 23.2 23.3 23.2 23 22.2 20.9
Max °C 30 30.1 30.3 30.8 31 31.3 32.2 32.3 31.8 31 30.7 30.4
Min °F 68 68.2 69.4 71 73.1 73.9 73.8 73.9 73.8 73.4 71.9 69.5
Max °F 77 77.2 77.9 79.2 80.4 81.1 81.9 82 81.5 80.6 79.5 78.1

Sea temperature

The graph below shows the average sea temperature.

Old Harbour average sea temperature chart (Celsius) Old Harbour average sea temperature chart (Fahrenheit)
Average sea temperature around Old Harbour in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 27.3 27 27 27.5 28.1 28.4 28.6 29 29.3 29.2 28.7 28
°F 81.1 80.5 80.6 81.6 82.6 83.1 83.6 84.3 84.7 84.5 83.7 82.3

Wind speed

The graph below shows the average wind speed.

Old Harbour average winspeed by month (km/h) Old Harbour average winspeed by month (mph)
Average wind speed in Old Harbour (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 13 13 14 13 12 11 12 12 10 10 11 12
mph 8 8 9 8 7 7 8 7 6 6 7 7

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Old Harbour relative humidity averages
Average relative humidity in Old Harbour
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
77% 76% 77% 77% 79% 79% 76% 78% 80% 82% 81% 78%

Other monthly averages

UV index Best time to go?

Old Harbour weather stats

Old Harbour weather statistics
Hottest month: August 32.1°C 89.8°F
Driest month: January 29mm 1.1ins
Sunniest month: February 8hrs
Coldest month: January 29.8°C 85.6°F
Wettest month: October 245mm 9.6ins
Warmest sea: September 29.3°C 84.7°F
Map showing location of Old Harbour (17.94144, -77.10898)

Locations nearby

Top Jamaica locations

Change units