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Limón, Costa Rica climate

Af Tropical rainforest

Limón has a remarkably steady tropical climate (Tropical rainforest, Köppen Af). The hottest month is June with an average daily high near 30°C, while the coldest is January averaging around 21°C at night. Precipitation totals about 4627 mm a year and is strongly seasonal — July alone averages 642 mm while October barely receives 101 mm.

☀️ All year
Warm
Daytime highs near 30°C most of the year.
About 7 days a year above 32 °C
🌙 Nights
Stays warm
Even the coolest nights stay near 21°C.
🌧️ Rain
Very wet
About 4627 mm of rain a year.
Wettest in July
Sky & trend
Often grey
Overcast skies dominate much of the year.
+0.0 °C vs 50 years ago

Temperature & precipitation

Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figures TEMPERATURE °C 10°20°30°40° PRECIPITATION (mm) 0325650 JanAprJulOct

Hours of sunshine per day

Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER) 0h2h3h4h6h J: ~4.8 hours of sun/dayF: ~5.0 hours of sun/dayM: ~4.6 hours of sun/dayA: ~3.0 hours of sun/dayM: ~2.0 hours of sun/dayJ: ~1.9 hours of sun/dayJ: ~1.9 hours of sun/dayA: ~2.0 hours of sun/dayS: ~2.1 hours of sun/dayO: ~1.9 hours of sun/dayN: ~2.5 hours of sun/dayD: ~3.8 hours of sun/day JFMAMJJASOND Sun hours per day (est.)

Limón climate normals (1991–2020)

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high (°C)292929303030303031313029
Avg temp (°C)252525262727262627262625
Avg low (°C)212121222323232322222221
Precipitation (mm)595294276385336295642309345101550498
Jan – JunJanFebMarAprMayJun
Avg high (°C)292929303030
Avg temp (°C)252525262727
Avg low (°C)212121222323
Precipitation (mm)595294276385336295
Jul – DecJulAugSepOctNovDec
Avg high (°C)303031313029
Avg temp (°C)262627262625
Avg low (°C)232322222221
Precipitation (mm)642309345101550498

How often — frequency of weather events

JanFebMarAprMayJunJulAugSepOctNovDec
Days with measurable rain (days)111010109111310791214
Days with high ≥ 32°C (days)0.10.40.810.20.3220.40.1
Jan – JunJanFebMarAprMayJun
Days with measurable rain (days)11101010911
Days with high ≥ 32°C (days)0.10.40.81
Jul – DecJulAugSepOctNovDec
Days with measurable rain (days)1310791214
Days with high ≥ 32°C (days)0.20.3220.40.1

Sky & atmosphere

JanFebMarAprMayJunJulAugSepOctNovDec
Cloud cover (%)595761758485858483847967
Relative humidity (%)848280818688898887888886
Wind speed (m/s)1.51.51.41.31.21.11.11.01.01.11.31.5
Jan – JunJanFebMarAprMayJun
Cloud cover (%)595761758485
Relative humidity (%)848280818688
Wind speed (m/s)1.51.51.41.31.21.1
Jul – DecJulAugSepOctNovDec
Cloud cover (%)858483847967
Relative humidity (%)898887888886
Wind speed (m/s)1.11.01.01.11.31.5
Methodology & sources

Temperature & precipitation — 1991–2020 normals computed from 27 years of daily observations at Puerto Limon, a weather station, about 3 km from the city centre. The underlying daily records come from NOAA's global station network.

Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.

How we build these numbers →