Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
Weather Guide
Liberia, Guanacaste, Costa Rica Average Monthly Weather
Weather score59Good annual avg
Best months: February, January, March
Across the year, average daytime temperatures are around 31°C, sunshine averages 6.3h per day, and rainfall totals about 1648mm.
Annual weather
Annual averages
Temp
31°C
Rain
1648mm
Annual total
Sun
6.3h
Weather score
59
Good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 201mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.3h per day, enough for a balanced month.
Map
Weather map
Compare Liberia, Guanacaste, Costa Rica with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August31°C average high
August is close to Liberia's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
August201mm average rain
August sits near Liberia's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August5.3 hours average sun
August is one of Liberia's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJanuary to April
This stretch has the strongest sunshine in the monthly averages.
Weather score
August48 weather score
August scores below Liberia's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJanuary to April and December
These months have the strongest weather score in the monthly averages.
