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Climate & Weather Averages in Guanacaste, Costa Rica

Currently: 84 °F. Partly sunny. (Weather station: Liberia/Tomas Guard, Costa Rica). See more current weather

Annual Weather Averages Near Guanacaste

Averages are for Liberia/Tomas Guard, which is 13 miles from Guanacaste.

Based on weather reports collected during 1992–2021.

All Year Climate & Weather Averages in Guanacaste

High Temp: 96 °F

Low Temp: 70 °F

Mean Temp: 82 °F

Precipitation: 4.84"

Humidity: 67%

Dew Point: 70 °F

Wind: 17 mph

Pressure: 29.84 "Hg

Visibility: 8 mi

January Climate & Weather Averages in Guanacaste

High Temp: 92 °F

Low Temp: 71 °F

Mean Temp: 81 °F

Precipitation: 0.38"

Humidity: 55%

Dew Point: 66 °F

Wind: 25 mph

Pressure: 29.85 "Hg

Visibility: 8 mi

February Climate & Weather Averages in Guanacaste

High Temp: 94 °F

Low Temp: 71 °F

Mean Temp: 82 °F

Precipitation: 0.17"

Humidity: 50%

Dew Point: 64 °F

Wind: 28 mph

Pressure: 29.84 "Hg

Visibility: 9 mi

March Climate & Weather Averages in Guanacaste

High Temp: 95 °F

Low Temp: 72 °F

Mean Temp: 83 °F

Precipitation: 0.19"

Humidity: 48%

Dew Point: 64 °F

Wind: 27 mph

Pressure: 29.83 "Hg

Visibility: 8 mi

April Climate & Weather Averages in Guanacaste

High Temp: 96 °F

Low Temp: 74 °F

Mean Temp: 85 °F

Precipitation: 1.55"

Humidity: 52%

Dew Point: 67 °F

Wind: 21 mph

Pressure: 29.82 "Hg

Visibility: 8 mi

May Climate & Weather Averages in Guanacaste

High Temp: 92 °F

Low Temp: 74 °F

Mean Temp: 83 °F

Precipitation: 8.33"

Humidity: 69%

Dew Point: 72 °F

Wind: 14 mph

Pressure: 29.83 "Hg

Visibility: 8 mi

June Climate & Weather Averages in Guanacaste

High Temp: 89 °F

Low Temp: 74 °F

Mean Temp: 82 °F

Precipitation: 8.18"

Humidity: 77%

Dew Point: 74 °F

Wind: 11 mph

Pressure: 29.84 "Hg

Visibility: 8 mi

July Climate & Weather Averages in Guanacaste

High Temp: 90 °F

Low Temp: 74 °F

Mean Temp: 82 °F

Precipitation: 5.32"

Humidity: 73%

Dew Point: 73 °F

Wind: 14 mph

Pressure: 29.85 "Hg

Visibility: 8 mi

August Climate & Weather Averages in Guanacaste

High Temp: 90 °F

Low Temp: 73 °F

Mean Temp: 82 °F

Precipitation: 8.40"

Humidity: 76%

Dew Point: 73 °F

Wind: 12 mph

Pressure: 29.85 "Hg

Visibility: 8 mi

September Climate & Weather Averages in Guanacaste

High Temp: 89 °F

Low Temp: 73 °F

Mean Temp: 81 °F

Precipitation: 10.34"

Humidity: 82%

Dew Point: 74 °F

Wind: 10 mph

Pressure: 29.84 "Hg

Visibility: 7 mi

October Climate & Weather Averages in Guanacaste

High Temp: 88 °F

Low Temp: 73 °F

Mean Temp: 80 °F

Precipitation: 10.15"

Humidity: 82%

Dew Point: 74 °F

Wind: 9 mph

Pressure: 29.84 "Hg

Visibility: 7 mi

November Climate & Weather Averages in Guanacaste

High Temp: 89 °F

Low Temp: 71 °F

Mean Temp: 80 °F

Precipitation: 3.78"

Humidity: 74%

Dew Point: 72 °F

Wind: 12 mph

Pressure: 29.83 "Hg

Visibility: 8 mi

December Climate & Weather Averages in Guanacaste

High Temp: 90 °F

Low Temp: 70 °F

Mean Temp: 80 °F

Precipitation: 1.28"

Humidity: 62%

Dew Point: 68 °F

Wind: 19 mph

Pressure: 29.84 "Hg

Visibility: 8 mi

Quick Climate Info

Hottest MonthApril (85 °F avg)
Coldest MonthNovember (80 °F avg)
Wettest MonthSeptember (10.34" avg)
Windiest MonthFebruary (28 mph avg)
Annual precip.58.07" (per year)

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