Guanacaste, Costa Rica Climate

Weather: °C/°F, Wind SW at km/h, % Humidity, % Chance of rain

Costa Rica
(Photo by Juliana Barquero on Unsplash)
Contents

Guanacaste Climate Summary

Located at an elevation of 138.01 meters (452.79 feet) above sea level, Guanacaste has a Tropical wet and dry or savanna climate (Classification: Aw). The city’s yearly temperature is 27.88ºC (82.18ºF) and it is 4.31% higher than Costa Rica’s averages. Guanacaste typically receives about 111.17 millimeters (4.38 inches) of precipitation and has 149.35 rainy days (40.92% of the time) annually.

Country Costa Rica
Longitude -85.4436706
Latitude 10.6267399
Attitude/Elevation 138.01m (452.79ft)
Local time Thursday 04:14
Annual high temperature 31.28ºC (88.3ºF)
Annual low temperature 23.08ºC (73.54ºF)
Average annual precip. 111.17mm (4.38in)
Warmest month April (34.98ºC / 94.96ºF)
Coldest Month January (22.04ºC / 71.67ºF)
Wettest Month October (277.36mm / 10.92in)
Driest Month March (1.39mm / 0.05in)
Number of days with rainfall (≥ 1.0 mm) 149.35 days (40.92%)
Days with no rain 215.65 days (59.08%)
Humidity 75.59%

Climate Guanacaste: Monthly Averages

Month Jan Feb Mar Apr May Jun Jul Aug Sep Nov Oct Dec Year
Record high °C (°F) 36.0(96.8) 37.0(98.6) 37.0(98.6) 38.0(100.4) 37.0(98.6) 35.0(95.0) 35.0(95.0) 35.0(95.0) 34.0(93.2) 33.0(91.4) 32.0(89.6) 33.0(91.4) 38.0(100.4)
Average high °C (°F) 30.84(87.51) 32.61(90.7) 33.94(93.09) 34.98(94.96) 33.01(91.42) 30.82(87.48) 30.43(86.77) 30.83(87.49) 30.0(86.0) 29.0(84.2) 29.26(84.67) 29.59(85.26) 31.28(88.3)
Daily mean °C (°F) 27.26(81.07) 28.5(83.3) 29.62(85.32) 30.61(87.1) 29.6(85.28) 27.81(82.06) 27.43(81.37) 27.57(81.63) 27.04(80.67) 26.35(79.43) 26.31(79.36) 26.4(79.52) 27.88(82.18)
Average low °C (°F) 22.04(71.67) 22.38(72.28) 22.88(73.18) 24.3(75.74) 24.96(76.93) 23.91(75.04) 23.28(73.9) 23.12(73.62) 23.07(73.53) 22.6(72.68) 22.42(72.36) 22.05(71.69) 23.08(73.54)
Record low °C (°F) 17.0(62.6) 18.0(64.4) 20.0(68.0) 20.0(68.0) 22.0(71.6) 19.0(66.2) 21.0(69.8) 0.0(0) 20.0(68.0) 17.0(62.6) 17.0(62.6) 18.0(64.4) 0.0(0)
Average precipitation mm (inches) 1.65(0.06) 2.03(0.08) 1.39(0.05) 22.99(0.91) 148.81(5.86) 175.06(6.89) 152.89(6.02) 193.95(7.64) 229.22(9.02) 277.36(10.92) 117.37(4.62) 11.3(0.44) 111.17(4.38)
Average precipitation days (≥ 1.0 mm) 0.36 0.82 0.36 5.18 18.27 21.0 17.36 19.18 25.91 24.55 13.91 2.45 12.45
Average relative humidity (%) 70.7 65.39 62.19 62.03 70.59 81.31 81.25 81.58 84.95 86.71 83.11 77.3 75.59
Mean monthly sunshine hours 8.79 9.61 11.46 11.38 11.09 12.21 12.23 11.44 10.31 9.98 10.92 11.34 10.9

Climate Graph

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

Guanacaste Temperature by Month

April
30.61°C | 87.1°F
March
29.62°C | 85.32°F
May
29.6°C | 85.28°F
February
28.5°C | 83.3°F
June
27.81°C | 82.06°F
August
27.57°C | 81.63°F
July
27.43°C | 81.37°F
January
27.26°C | 81.07°F
September
27.04°C | 80.67°F
December
26.4°C | 79.52°F
October
26.35°C | 79.43°F
November
26.31°C | 79.36°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 37.0°C (98.6°F) 33.06°C (91.51°F) 25.0°C (77.0°F)
Avg Temperature 33.0°C (91.4°F) 29.87°C (85.77°F) 24.0°C (75.2°F)
Min Temperature 27.0°C (80.6°F) 25.26°C (77.47°F) 23.0°C (73.4°F)
Dew Point Max Average Min
Dew Point 24.0°C (75.2°F) 22.03°C (71.65°F) 19.0°C (66.2°F)
Precipitation Max Average Min Sum
Precipitation 105.4mm | 4.15in 12.17mm | 0.48in 0.0mm | 0in 377.4mm | 14.86in
Snowdepth 0.0mm | 0in 0.0mm | 0in 0.0mm | 0in 0.0mm | 0in
Wind Max Average Min
Wind 14.0kmh | 8.7mph 7.52kmh | 4.67mph 4.0kmh | 2.49mph
Gust Wind 20.0kmh | 12.43mph 11.16kmh | 6.93mph 7.0kmh | 4.35mph
Sea Level Pressure Max Average Min
Sea Level Pressure 105.4mb 12.17mb 0.0mb

Daily Observations

Time Temperature Dew Point Humidity Wind Speed Pressure Precipitation
May ° C | ° F ° C | ° F % Kph | Mph Hg | Mb Total (mm/in)
2020-05-01 33 | 91.4 19 | 66.2 57 12 | 7.46 29.85 | 1011 0.0 | 0.0
2020-05-02 31 | 87.8 20 | 68.0 60 14 | 8.7 29.88 | 1012 0.0 | 0.0
2020-05-03 32 | 89.6 20 | 68.0 59 13 | 8.08 29.83 | 1010 0.0 | 0.0
2020-05-04 31 | 87.8 21 | 69.8 64 7 | 4.35 29.83 | 1010 0.0 | 0.0
2020-05-05 31 | 87.8 21 | 69.8 64 6 | 3.73 29.8 | 1009 0.3 | 0.01
2020-05-06 32 | 89.6 21 | 69.8 61 8 | 4.97 29.8 | 1009 1.4 | 0.06
2020-05-07 32 | 89.6 21 | 69.8 62 12 | 7.46 29.83 | 1010 0.0 | 0.0
2020-05-08 32 | 89.6 21 | 69.8 62 10 | 6.21 29.83 | 1010 0.6 | 0.02
2020-05-09 31 | 87.8 22 | 71.6 66 6 | 3.73 29.83 | 1010 0.6 | 0.02
2020-05-10 30 | 86.0 23 | 73.4 73 6 | 3.73 29.83 | 1010 11.7 | 0.46
2020-05-11 32 | 89.6 23 | 73.4 67 6 | 3.73 29.83 | 1010 9.3 | 0.37
2020-05-12 31 | 87.8 21 | 69.8 62 7 | 4.35 29.85 | 1011 0.0 | 0.0
2020-05-13 30 | 86.0 21 | 69.8 64 9 | 5.59 29.85 | 1011 4.4 | 0.17
2020-05-14 30 | 86.0 22 | 71.6 69 5 | 3.11 29.85 | 1011 5.6 | 0.22
2020-05-15 31 | 87.8 21 | 69.8 62 6 | 3.73 29.83 | 1010 0.1 | 0.0
2020-05-16 31 | 87.8 21 | 69.8 62 7 | 4.35 29.8 | 1009 0.0 | 0.0
2020-05-17 32 | 89.6 21 | 69.8 62 6 | 3.73 29.8 | 1009 0.2 | 0.01
2020-05-18 31 | 87.8 22 | 71.6 64 7 | 4.35 29.83 | 1010 1.9 | 0.07
2020-05-19 29 | 84.2 23 | 73.4 73 6 | 3.73 29.83 | 1010 15.0 | 0.59
2020-05-20 28 | 82.4 23 | 73.4 79 5 | 3.11 29.85 | 1011 39.2 | 1.54
2020-05-21 28 | 82.4 22 | 71.6 76 6 | 3.73 29.83 | 1010 6.3 | 0.25
2020-05-22 30 | 86.0 23 | 73.4 74 5 | 3.11 29.83 | 1010 14.1 | 0.56
2020-05-23 29 | 84.2 23 | 73.4 77 6 | 3.73 29.83 | 1010 10.6 | 0.42
2020-05-24 30 | 86.0 24 | 75.2 76 5 | 3.11 29.8 | 1009 20.0 | 0.79
2020-05-25 29 | 84.2 24 | 75.2 80 4 | 2.49 29.8 | 1009 27.2 | 1.07
2020-05-26 29 | 84.2 24 | 75.2 80 6 | 3.73 29.8 | 1009 36.3 | 1.43
2020-05-27 29 | 84.2 24 | 75.2 79 5 | 3.11 29.8 | 1009 13.8 | 0.54
2020-05-28 27 | 80.6 23 | 73.4 85 9 | 5.59 29.85 | 1011 27.0 | 1.06
2020-05-29 24 | 75.2 23 | 73.4 91 10 | 6.21 29.85 | 1011 9.0 | 0.35
2020-05-30 25 | 77.0 23 | 73.4 92 11 | 6.84 29.85 | 1011 105.4 | 4.15
2020-05-31 26 | 78.8 23 | 73.4 87 8 | 4.97 29.88 | 1012 17.4 | 0.69

Guanacaste 10 Year Historical Weather Data

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