Hot
Average highs reach 32°C, so days can feel very hot.
May verdict
Guanacaste, Guanacaste, Costa Rica in May
Weather score56Good
Good for holiday weather
Average highs reach 32°C, so days can feel very hot. Sunshine averages 6.6h per day, enough for a balanced month. Rainfall averages 223mm, so showers are a real planning factor.
May weather
Monthly averages
Temp
32°C
Rain
223mm
Sun
6.6h
Sea
29°C
Weather score
56
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 223mm, so showers are a real planning factor.
Some sun
Sunshine averages 6.6h 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
May32°C average high
May 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
May223mm average rain
May sits near Guanacaste's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
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
May6.6 hours average sun
May sits close to Guanacaste's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJanuary to April
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May29°C average sea
May is one of Guanacaste's warmest sea months, when swimming comfort is usually strongest.
Warmest seaApril to October
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
Weather score
May56 weather score
May scores below Guanacaste'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.
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