Is Costa Rica hot in January?
Days are typically warm at 27.9°C, while nights average 11.5°C.
Mexico · 1991–2020 normal
Costa Rica in
January.
Typical January weather in Costa Rica: 27.9°C by day, 11.5°C at night, 17 mm of rain over 1.4 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high27.9°C
Typical low11.5°C
Rain17 mm
Wet days1.4
In the year-round weather comparison, January scores 81 out of 100, the highest of the year. Daylight is calculated as 10 h 46 from latitude 24.59°. Open-water sea temperature is 21.3°C (34 km from the place centre).
January at a glance
What is Costa Rica like in January?
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Does it rain much?
The measured monthly average is 17 mm across about 1 wet days.
How much daylight is there?
There are about 10 h 46 between sunrise and sunset at mid-month, calculated from the place latitude.
Is January a good time to visit?
January is the strongest month in our year-round weather comparison.
Event window
Warm sea in January
The nearest open-water NOAA OISST 1991–2020 cell averages 21.3°C in January. A sheltered bay can run warmer than that open-water cell.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4012693
- NOAA station
- MXN00025015 · CULIACAN (DGE)
- Station distance
- 21.4 km from the place centre
- Coverage
- Good coverage · 23 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Costa Rica is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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