Costa Rica climate by month
8-year averages · when to visit
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|
| San José |
77° |
79° |
81° |
81° |
79° |
75° |
77° |
77° |
77° |
75° |
75° |
75° |
| Liberia (Guanacaste) |
90° |
91° |
95° |
95° |
91° |
86° |
88° |
88° |
86° |
84° |
86° |
88° |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|
| Liberia (Guanacaste) |
83° |
83° |
84° |
84° |
87° |
86° |
85° |
86° |
85° |
84° |
82° |
82° |
Figures are averaged over 8 years of ERA5 reanalysis; sea temps come from ocean reanalysis, and UV is derived from solar elevation.
San José climate in January
8-year averages · when to visit
Best months: January–December · January: Perfect
|
December |
January |
February |
| Average temperature |
→ 68°F |
68°F |
→ 68°F |
| Typical high |
▲ 75°F |
77°F |
▲ 79°F |
| Typical low |
→ 61°F |
61°F |
→ 61°F |
| Precipitation |
▼ 3.1 in |
1.6 in |
▼ 0.5 in |
| Wet days |
▼ 11 d |
7 d |
▼ 4 d |
| Humidity |
▼ 74% |
70% |
▼ 67% |
| Sunshine per day |
▲ 10.1 h |
10.7 h |
▲ 11.3 h |
| Cloud cover |
▼ 12% |
8% |
▼ 5% |
| Midday UV |
→ 9 |
9 |
▲ 10 |
| Daylight |
11:33 |
11:37 |
11:49 |
| Our take |
Good
|
Perfect
|
Perfect
|
January temperatures day by day daily mean + smoothed trend · °F
January precipitation day by day in
January UV day by day clear-sky midday value
Figures are averaged over 8 years of ERA5 reanalysis; sea temps come from ocean reanalysis, and UV is derived from solar elevation.
More destinations in North America & Caribbean
Costa Rica · 13 weather points · Climate reference: San José (9.93°N, 84.08°W) · America/Costa_Rica