12.18
thu
thu
DAY

78°F
SE 2 mph
precip
0%
0%
NIGHT

60°F
SW 4 mph
precip
0%
0%
12.19
fri
fri
DAY

82°F
SW 5 mph
precip
0%
0%
NIGHT

60°F
SW 6 mph
precip
0%
0%
12.20
sat
sat
DAY

82°F
SW 6 mph
precip
75%
75%
NIGHT

58°F
SW 6 mph
precip
0%
0%
12.21
sun
sun
DAY

78°F
SW 6 mph
precip
100%
100%
NIGHT

58°F
SW 5 mph
precip
0%
0%
12.22
mon
mon
DAY

82°F
SW 6 mph
precip
0%
0%
NIGHT

56°F
SW 5 mph
precip
0%
0%
12.23
tue
tue
DAY

82°F
SW 5 mph
precip
0%
0%
NIGHT

56°F
W 5 mph
precip
0%
0%
12.24
wed
wed
DAY

82°F
SW 5 mph
precip
0%
0%
NIGHT

58°F
SW 5 mph
precip
0%
0%
Weather in
December
December
| Heredia |
14 day weather
forecast
forecast
| Heredia |
Monthly weather
averages
averages
| Heredia |
Sea water
temperature
temperature
| Heredia |
Heredia Sea Water Temperature in December, °F
The average sea surface temperature in December 2025 for Heredia was 28.3°F. The maximum and minimum values were 28.0°F and 28.6°F respectively.
Costa Rica Resorts:
NAME
F°
| Alajuela | ![]() |
+54 |
| Cahuita | ![]() |
+74 |
| Heredia | ![]() |
+56 |
| Jaco | ![]() |
+80 |
| Limon | ![]() |
+74 |
| Playa Flamingo | ![]() |
+78 |
| Playas del Coco | ![]() |
+78 |
| Puerto Limon | ![]() |
+74 |
| Puerto Viejo de Talamanca | ![]() |
+72 |
| Quepos | ![]() |
+72 |
| Samara | ![]() |
+76 |
| San Jose | ![]() |
+52 |
| Santa Teresa | ![]() |
+80 |
| Tamarindo | ![]() |
+78 |
| Tortuguero | ![]() |
+74 |





























