Ilocos Sur, Philippines Climate

Weather: 19.91°C/67.84°F, Wind SW at 1.63 km/h, 80% Humidity, 0% Chance of rain

Philippines
(Photo by Rhea Claire Gomez on Unsplash)
Contents

Ilocos Sur Climate Summary

Located at an elevation of 234.26 meters (768.57 feet) above sea level, Ilocos Sur has a Tropical monsoon climate (Classification: Am). The city’s yearly temperature is 27.79ºC (82.02ºF) and it is 0.57% higher than Philippines’s averages. Ilocos Sur typically receives about 95.19 millimeters (3.75 inches) of precipitation and has 154.91 rainy days (42.44% of the time) annually.

Country Philippines
Longitude 120.5739579
Latitude 17.2278664
Attitude/Elevation 234.26m (768.57ft)
Local time Thursday 05:22
Annual high temperature 30.35ºC (86.63ºF)
Annual low temperature 23.03ºC (73.45ºF)
Average annual precip. 95.19mm (3.75in)
Warmest month May (32.47ºC / 90.45ºF)
Coldest Month January (20.78ºC / 69.4ºF)
Wettest Month August (268.41mm / 10.57in)
Driest Month February (6.65mm / 0.26in)
Number of days with rainfall (≥ 1.0 mm) 154.91 days (42.44%)
Days with no rain 210.09 days (57.56%)
Humidity 74.4%

Climate Ilocos Sur: Monthly Averages

Month Jan Feb Mar Apr May Jun Jul Aug Sep Nov Oct Dec Year
Record high °C (°F) 32.0(89.6) 32.0(89.6) 34.0(93.2) 35.0(95.0) 35.0(95.0) 34.0(93.2) 35.0(95.0) 33.0(91.4) 34.0(93.2) 33.0(91.4) 33.0(91.4) 34.0(93.2) 35.0(95.0)
Average high °C (°F) 28.75(83.75) 29.42(84.96) 30.86(87.55) 31.88(89.38) 32.47(90.45) 31.28(88.3) 29.98(85.96) 29.6(85.28) 30.06(86.11) 30.1(86.18) 30.23(86.41) 29.6(85.28) 30.35(86.63)
Daily mean °C (°F) 25.74(78.33) 26.41(79.54) 28.01(82.42) 29.26(84.67) 30.09(86.16) 29.04(84.27) 27.83(82.09) 27.58(81.64) 27.82(82.08) 27.57(81.63) 27.37(81.27) 26.82(80.28) 27.79(82.02)
Average low °C (°F) 20.78(69.4) 20.88(69.58) 22.02(71.64) 23.52(74.34) 24.85(76.73) 24.68(76.42) 23.98(75.16) 23.81(74.86) 23.65(74.57) 23.05(73.49) 22.74(72.93) 22.36(72.25) 23.03(73.45)
Record low °C (°F) 16.0(60.8) 16.0(60.8) 18.0(64.4) 19.0(66.2) 22.0(71.6) 21.0(69.8) 21.0(69.8) 18.0(64.4) 17.0(62.6) 19.0(66.2) 18.0(64.4) 18.0(64.4) 16.0(60.8)
Average precipitation mm (inches) 9.85(0.39) 6.65(0.26) 10.13(0.4) 30.73(1.21) 59.85(2.36) 157.7(6.21) 232.55(9.16) 268.41(10.57) 195.74(7.71) 100.52(3.96) 39.35(1.55) 30.83(1.21) 95.19(3.75)
Average precipitation days (≥ 1.0 mm) 2.55 1.91 2.45 7.55 14.82 23.36 26.36 25.91 22.09 13.91 7.82 6.18 12.91
Average relative humidity (%) 71.5 69.68 68.65 69.34 70.13 75.92 79.8 80.25 79.88 78.14 75.79 73.77 74.4
Mean monthly sunshine hours 8.6 9.97 11.59 12.51 12.76 12.64 12.3 11.83 11.5 11.11 9.43 8.42 11.05

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Ilocos Sur in recent years.

Ilocos Sur

Ilocos Sur Temperature by Month

May
30.09°C | 86.16°F
April
29.26°C | 84.67°F
June
29.04°C | 84.27°F
March
28.01°C | 82.42°F
July
27.83°C | 82.09°F
September
27.82°C | 82.08°F
August
27.58°C | 81.64°F
October
27.57°C | 81.63°F
November
27.37°C | 81.27°F
December
26.82°C | 80.28°F
February
26.41°C | 79.54°F
January
25.74°C | 78.33°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 32.0°C (89.6°F) 29.26°C (84.67°F) 24.0°C (75.2°F)
Avg Temperature 29.0°C (84.2°F) 27.06°C (80.71°F) 24.0°C (75.2°F)
Min Temperature 25.0°C (77.0°F) 23.13°C (73.63°F) 22.0°C (71.6°F)
Dew Point Max Average Min
Dew Point 24.0°C (75.2°F) 22.42°C (72.36°F) 20.0°C (68.0°F)
Precipitation Max Average Min Sum
Precipitation 77.2mm | 3.04in 10.22mm | 0.4in 0.0mm | 0in 316.9mm | 12.48in
Snowdepth 0.0mm | 0in 0.0mm | 0in 0.0mm | 0in 0.0mm | 0in
Wind Max Average Min
Wind 17.0kmh | 10.56mph 9.29kmh | 5.77mph 4.0kmh | 2.49mph
Gust Wind 29.0kmh | 18.02mph 14.68kmh | 9.12mph 5.0kmh | 3.11mph
Sea Level Pressure Max Average Min
Sea Level Pressure 77.2mb 10.22mb 0.0mb
Ilocos Sur

Daily Observations

Time Temperature Dew Point Humidity Wind Speed Pressure Precipitation
July ° C | ° F ° C | ° F % Kph | Mph Hg | Mb Total (mm/in)
2015-07-01 29 | 84.2 23 | 73.4 77 8 | 4.97 29.77 | 1008 1.2 | 0.05
2015-07-02 29 | 84.2 24 | 75.2 82 6 | 3.73 29.74 | 1007 4.7 | 0.19
2015-07-03 28 | 82.4 24 | 75.2 84 6 | 3.73 29.68 | 1005 7.0 | 0.28
2015-07-04 28 | 82.4 24 | 75.2 84 6 | 3.73 29.59 | 1002 6.0 | 0.24
2015-07-05 25 | 77.0 23 | 73.4 93 17 | 10.56 29.47 | 998 77.2 | 3.04
2015-07-06 24 | 75.2 21 | 69.8 88 17 | 10.56 29.53 | 1000 44.4 | 1.75
2015-07-07 26 | 78.8 22 | 71.6 83 16 | 9.94 29.59 | 1002 6.4 | 0.25
2015-07-08 28 | 82.4 22 | 71.6 76 12 | 7.46 29.59 | 1002 5.7 | 0.22
2015-07-09 28 | 82.4 23 | 73.4 79 11 | 6.84 29.56 | 1001 6.8 | 0.27
2015-07-10 28 | 82.4 23 | 73.4 83 15 | 9.32 29.56 | 1001 15.3 | 0.6
2015-07-11 27 | 80.6 23 | 73.4 82 15 | 9.32 29.65 | 1004 1.8 | 0.07
2015-07-12 27 | 80.6 23 | 73.4 82 14 | 8.7 29.68 | 1005 10.3 | 0.41
2015-07-13 27 | 80.6 23 | 73.4 82 12 | 7.46 29.71 | 1006 6.9 | 0.27
2015-07-14 26 | 78.8 22 | 71.6 83 10 | 6.21 29.71 | 1006 8.6 | 0.34
2015-07-15 25 | 77.0 22 | 71.6 87 12 | 7.46 29.74 | 1007 5.1 | 0.2
2015-07-16 25 | 77.0 22 | 71.6 86 17 | 10.56 29.68 | 1005 19.8 | 0.78
2015-07-17 24 | 75.2 23 | 73.4 95 14 | 8.7 29.71 | 1006 64.8 | 2.55
2015-07-18 25 | 77.0 22 | 71.6 90 14 | 8.7 29.74 | 1007 3.8 | 0.15
2015-07-19 27 | 80.6 22 | 71.6 79 13 | 8.08 29.77 | 1008 1.4 | 0.06
2015-07-20 28 | 82.4 21 | 69.8 71 6 | 3.73 29.85 | 1011 0.0 | 0.0
2015-07-21 29 | 84.2 22 | 71.6 74 4 | 2.49 29.88 | 1012 0.9 | 0.04
2015-07-22 28 | 82.4 22 | 71.6 78 4 | 2.49 29.88 | 1012 1.7 | 0.07
2015-07-23 27 | 80.6 22 | 71.6 80 4 | 2.49 29.88 | 1012 0.1 | 0.0
2015-07-24 28 | 82.4 20 | 68.0 70 4 | 2.49 29.88 | 1012 0.0 | 0.0
2015-07-25 29 | 84.2 21 | 69.8 71 6 | 3.73 29.85 | 1011 1.5 | 0.06
2015-07-26 28 | 82.4 23 | 73.4 81 4 | 2.49 29.91 | 1013 4.9 | 0.19
2015-07-27 25 | 77.0 23 | 73.4 88 4 | 2.49 29.94 | 1014 6.4 | 0.25
2015-07-28 27 | 80.6 22 | 71.6 79 4 | 2.49 29.91 | 1013 0.9 | 0.04
2015-07-29 28 | 82.4 22 | 71.6 77 5 | 3.11 29.88 | 1012 1.1 | 0.04
2015-07-30 28 | 82.4 23 | 73.4 81 4 | 2.49 29.85 | 1011 1.9 | 0.07
2015-07-31 28 | 82.4 23 | 73.4 80 4 | 2.49 29.83 | 1010 0.3 | 0.01

Ilocos Sur 10 Year Historical Weather Data

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