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 October
8-year averages · when to visit
Best months: January–December · October: Good
|
September |
October |
November |
| Average temperature |
▼ 68°F |
66°F |
→ 66°F |
| Typical high |
▼ 77°F |
75°F |
→ 75°F |
| Typical low |
→ 61°F |
61°F |
→ 61°F |
| Precipitation |
▲ 17.8 in |
21.5 in |
▼ 13.7 in |
| Wet days |
→ 29 d |
29 d |
▼ 24 d |
| Humidity |
▲ 88% |
89% |
▼ 85% |
| Sunshine per day |
▼ 8.2 h |
7.9 h |
▲ 8.2 h |
| Cloud cover |
▲ 32% |
34% |
▼ 29% |
| Midday UV |
▼ 12 |
11 |
▼ 9 |
| Daylight |
12:10 |
11:54 |
11:40 |
| Our take |
Good
|
Good
|
Good
|
October temperatures day by day daily mean + smoothed trend · °F
October precipitation day by day in
October 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