San Juan, Dominican Republic Climate

Weather: 18.76°C/65.77°F, Wind SW at 0.99 km/h, 69% Humidity, 0% Chance of rain

Dominican Republic
(Photo by Perla de los Santos on Unsplash)
Contents

San Juan Climate Summary

Located at an elevation of 420 meters (1377.95 feet) above sea level, San Juan has a Tropical wet and dry or savanna climate (Classification: Aw). The city’s yearly temperature is 23.37ºC (74.07ºF) and it is -2.7% lower than Dominican Republic’s averages. San Juan typically receives about 86.22 millimeters (3.39 inches) of precipitation and has 192.45 rainy days (52.73% of the time) annually.

Country Dominican Republic
Longitude -71.2309935
Latitude 18.8096268
Attitude/Elevation 420m (1377.95ft)
Local time Tuesday 23:41
Annual high temperature 27.03ºC (80.65ºF)
Annual low temperature 16.94ºC (62.49ºF)
Average annual precip. 86.22mm (3.39in)
Warmest month August (28.49ºC / 83.28ºF)
Coldest Month January (14.97ºC / 58.95ºF)
Wettest Month September (168.16mm / 6.62in)
Driest Month January (13.1mm / 0.52in)
Number of days with rainfall (≥ 1.0 mm) 192.45 days (52.73%)
Days with no rain 172.55 days (47.27%)
Humidity 77.0%

Climate San Juan: Monthly Averages

Month Jan Feb Mar Apr May Jun Jul Aug Sep Nov Oct Dec Year
Record high °C (°F) 30.0(86.0) 33.0(91.4) 31.0(87.8) 32.0(89.6) 32.0(89.6) 31.0(87.8) 33.0(91.4) 32.0(89.6) 32.0(89.6) 30.0(86.0) 29.0(84.2) 29.0(84.2) 33.0(91.4)
Average high °C (°F) 25.71(78.28) 26.55(79.79) 26.47(79.65) 26.96(80.53) 26.98(80.56) 27.7(81.86) 28.28(82.9) 28.49(83.28) 28.1(82.58) 27.28(81.1) 26.2(79.16) 25.63(78.13) 27.03(80.65)
Daily mean °C (°F) 21.34(70.41) 22.14(71.85) 22.52(72.54) 23.45(74.21) 23.89(75.0) 24.55(76.19) 24.9(76.82) 25.04(77.07) 24.63(76.33) 23.83(74.89) 22.59(72.66) 21.53(70.75) 23.37(74.07)
Average low °C (°F) 14.97(58.95) 15.44(59.79) 15.91(60.64) 17.11(62.8) 17.76(63.97) 18.14(64.65) 18.02(64.44) 18.28(64.9) 18.1(64.58) 17.68(63.82) 16.59(61.86) 15.33(59.59) 16.94(62.49)
Record low °C (°F) 10.0(50.0) 11.0(51.8) 12.0(53.6) 14.0(57.2) 15.0(59.0) 16.0(60.8) 15.0(59.0) 16.0(60.8) 16.0(60.8) 14.0(57.2) 12.0(53.6) 12.0(53.6) 10.0(50.0)
Average precipitation mm (inches) 13.1(0.52) 17.34(0.68) 31.84(1.25) 73.84(2.91) 126.62(4.99) 110.26(4.34) 121.44(4.78) 143.78(5.66) 168.16(6.62) 135.65(5.34) 72.92(2.87) 19.73(0.78) 86.22(3.39)
Average precipitation days (≥ 1.0 mm) 3.45 5.36 8.82 16.18 21.64 22.27 23.18 23.18 24.64 22.55 16.0 5.18 16.04
Average relative humidity (%) 77.36 75.08 73.75 75.35 77.38 77.48 76.71 76.44 77.67 78.79 79.83 78.21 77.0
Mean monthly sunshine hours 10.89 11.02 10.99 10.93 10.91 11.12 11.06 11.12 10.92 10.87 10.97 10.72 10.96

Climate Graph

The chart below shows the mean monthly temperature and precipitation of San Juan in recent years.

San Juan

San Juan Temperature by Month

August
25.04°C | 77.07°F
July
24.9°C | 76.82°F
September
24.63°C | 76.33°F
June
24.55°C | 76.19°F
May
23.89°C | 75.0°F
October
23.83°C | 74.89°F
April
23.45°C | 74.21°F
November
22.59°C | 72.66°F
March
22.52°C | 72.54°F
February
22.14°C | 71.85°F
December
21.53°C | 70.75°F
January
21.34°C | 70.41°F

Historical Data

Summary
  • 2010
  • 2011
  • 2012
  • 2013
  • 2014
  • 2015
  • 2016
  • 2017
  • 2018
  • 2019
  • 2020
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
Temperature Max Average Min
Max Temperature 29.0°C (84.2°F) 28.1°C (82.58°F) 27.0°C (80.6°F)
Avg Temperature 26.0°C (78.8°F) 24.32°C (75.78°F) 23.0°C (73.4°F)
Min Temperature 21.0°C (69.8°F) 17.39°C (63.3°F) 16.0°C (60.8°F)
Dew Point Max Average Min
Dew Point 20.0°C (68.0°F) 18.35°C (65.03°F) 16.0°C (60.8°F)
Precipitation Max Average Min Sum
Precipitation 21.9mm | 0.86in 4.99mm | 0.2in 0.0mm | 0in 154.7mm | 6.09in
Snowdepth 0.0mm | 0in 0.0mm | 0in 0.0mm | 0in 0.0mm | 0in
Wind Max Average Min
Wind 7.0kmh | 4.35mph 4.39kmh | 2.73mph 2.0kmh | 1.24mph
Gust Wind 10.0kmh | 6.21mph 6.52kmh | 4.05mph 4.0kmh | 2.49mph
Sea Level Pressure Max Average Min
Sea Level Pressure 21.9mb 4.99mb 0.0mb
San Juan

Daily Observations

Time Temperature Dew Point Humidity Wind Speed Pressure Precipitation
October ° C | ° F ° C | ° F % Kph | Mph Hg | Mb Total (mm/in)
2019-10-01 24 | 75.2 18 | 64.4 83 6 | 3.73 29.83 | 1010 16.8 | 0.66
2019-10-02 24 | 75.2 19 | 66.2 85 6 | 3.73 29.83 | 1010 21.9 | 0.86
2019-10-03 24 | 75.2 19 | 66.2 86 7 | 4.35 29.91 | 1013 11.3 | 0.44
2019-10-04 26 | 78.8 20 | 68.0 82 5 | 3.11 29.94 | 1014 4.6 | 0.18
2019-10-05 25 | 77.0 20 | 68.0 84 4 | 2.49 29.91 | 1013 17.7 | 0.7
2019-10-06 25 | 77.0 20 | 68.0 82 5 | 3.11 29.91 | 1013 0.4 | 0.02
2019-10-07 25 | 77.0 19 | 66.2 83 6 | 3.73 29.91 | 1013 0.6 | 0.02
2019-10-08 26 | 78.8 20 | 68.0 79 4 | 2.49 29.91 | 1013 0.2 | 0.01
2019-10-09 24 | 75.2 19 | 66.2 84 6 | 3.73 29.91 | 1013 6.9 | 0.27
2019-10-10 24 | 75.2 17 | 62.6 77 4 | 2.49 29.88 | 1012 0.4 | 0.02
2019-10-11 23 | 73.4 17 | 62.6 80 4 | 2.49 29.88 | 1012 2.4 | 0.09
2019-10-12 24 | 75.2 18 | 64.4 85 6 | 3.73 29.88 | 1012 4.1 | 0.16
2019-10-13 24 | 75.2 18 | 64.4 84 5 | 3.11 29.91 | 1013 4.4 | 0.17
2019-10-14 24 | 75.2 18 | 64.4 82 3 | 1.86 29.94 | 1014 5.6 | 0.22
2019-10-15 24 | 75.2 18 | 64.4 81 4 | 2.49 29.94 | 1014 1.4 | 0.06
2019-10-16 24 | 75.2 19 | 66.2 82 4 | 2.49 29.94 | 1014 2.9 | 0.11
2019-10-17 25 | 77.0 20 | 68.0 81 4 | 2.49 29.94 | 1014 3.7 | 0.15
2019-10-18 25 | 77.0 18 | 64.4 79 4 | 2.49 29.94 | 1014 0.1 | 0.0
2019-10-19 24 | 75.2 16 | 60.8 75 4 | 2.49 29.94 | 1014 0.0 | 0.0
2019-10-20 24 | 75.2 18 | 64.4 80 5 | 3.11 29.94 | 1014 1.8 | 0.07
2019-10-21 25 | 77.0 19 | 66.2 81 3 | 1.86 29.94 | 1014 10.1 | 0.4
2019-10-22 26 | 78.8 19 | 66.2 78 3 | 1.86 29.91 | 1013 11.4 | 0.45
2019-10-23 24 | 75.2 18 | 64.4 77 3 | 1.86 29.91 | 1013 9.4 | 0.37
2019-10-24 23 | 73.4 17 | 62.6 79 5 | 3.11 29.91 | 1013 1.4 | 0.06
2019-10-25 23 | 73.4 17 | 62.6 82 5 | 3.11 29.94 | 1014 5.0 | 0.2
2019-10-26 24 | 75.2 19 | 66.2 83 4 | 2.49 29.94 | 1014 4.9 | 0.19
2019-10-27 25 | 77.0 20 | 68.0 80 4 | 2.49 29.94 | 1014 0.2 | 0.01
2019-10-28 24 | 75.2 17 | 62.6 80 4 | 2.49 29.94 | 1014 2.3 | 0.09
2019-10-29 24 | 75.2 16 | 60.8 74 2 | 1.24 29.91 | 1013 0.1 | 0.0
2019-10-30 24 | 75.2 18 | 64.4 82 3 | 1.86 29.91 | 1013 2.7 | 0.11
2019-10-31 24 | 75.2 18 | 64.4 76 4 | 2.49 29.91 | 1013 0.0 | 0.0

San Juan 10 Year Historical Weather Data

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