Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
October verdict
Guanacaste, Guanacaste, Costa Rica in October
Weather score49Mixed
Mixed for holiday weather
Average highs sit around 31°C, giving warm days by monthly-average standards. Sunshine averages 5h per day, enough for a balanced month. Rainfall averages 350mm, so showers are a real planning factor.
October weather
Monthly averages
Temp
31°C
Rain
350mm
Sun
5h
Sea
29°C
Weather score
49
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 350mm, so showers are a real planning factor.
Some sun
Sunshine averages 5h per day, enough for a balanced month.
Warm sea
Sea temperatures average 29°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Guanacaste, Guanacaste, Costa Rica with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
October31°C average high
October is close to Guanacaste's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
October350mm average rain
October is one of Guanacaste's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to April and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
October5 hours average sun
October is one of Guanacaste's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJanuary to April
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
October29°C average sea
October sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaApril to October
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
Weather score
October49 weather score
October is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to April and December
These months have the strongest weather score in the monthly averages.
Hotels in Guanacaste, Guanacaste, Costa Rica
Marriott
JW Marriott Guanacaste Resort & SpaGuanacaste, Costa Rica
W Costa Rica – Reserva ConchalGuanacaste, Costa Rica
The Westin Reserva Conchal, an All-Inclusive Golf Resort & SpaGuanacaste, Costa Rica
El Mangroove, Autograph CollectionGuanacaste, Costa Rica
Planet Hollywood Costa Rica, An Autograph Collection All-Inclusive ResortGuanacaste, Guanacaste, Costa Rica