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 March
8-year averages · when to visit
Best months: January–December · March: Perfect
|
February |
March |
April |
| Average temperature |
▲ 68°F |
70°F |
→ 70°F |
| Typical high |
▲ 79°F |
81°F |
→ 81°F |
| Typical low |
→ 61°F |
61°F |
▲ 63°F |
| Precipitation |
▲ 0.5 in |
1.4 in |
▲ 4.6 in |
| Wet days |
▲ 4 d |
8 d |
▲ 16 d |
| Humidity |
▼ 67% |
65% |
▲ 69% |
| Sunshine per day |
→ 11.3 h |
11.3 h |
▼ 10.3 h |
| Cloud cover |
▲ 5% |
7% |
▲ 16% |
| Midday UV |
▲ 10 |
11 |
▲ 12 |
| Daylight |
11:49 |
12:05 |
12:21 |
| Our take |
Perfect
|
Perfect
|
Good
|
March temperatures day by day daily mean + smoothed trend · °F
March precipitation day by day in
March 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