San José (Alajuela) vs San Andrés: which is sunnier?
🇨🇷 Costa Rica vs 🇨🇴 Colombia · 396 km apart · long-term climate normals (NASA POWER, 2001–2020)
San Andrés is the sunnier overall: about 2,607 hours of sunshine a year to San José (Alajuela)'s 2,387. San Andrés has the higher Sunshine Score in 4 of 12 months; the other 8 are within 2 points.
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| San José (Alajuela) | San Andrés | |
|---|---|---|
| Sunshine hours / year | 2,387 | 2,607 |
| Sunniest month | February (89/100) | February (92/100) |
| Nov–Feb average score | 80/100 | 81/100 |
| Jun–Aug average score | 65/100 | 67/100 |
| Rain / year | 1,792 mm | 1,535 mm |
| Peak midday UV | 13 (extreme) | 12 (extreme) |
San José (Alajuela) vs San Andrés month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| San José (Alajuela) | San Andrés | San José (Alajuela) | San Andrés | San José (Alajuela) | San Andrés | |
| January | 86 | 86 | 25° | 27° | 38 | 43 |
| February | 89 | 92 | 27° | 27° | 22 | 14 |
| March | 88 | 92 | 29° | 27° | 29 | 10 |
| April | 79 | 90 | 29° | 28° | 77 | 23 |
| May | 65 | 71 | 26° | 28° | 220 | 127 |
| June | 65 | 67 | 25° | 28° | 209 | 191 |
| July | 65 | 67 | 25° | 28° | 184 | 183 |
| August | 65 | 67 | 25° | 28° | 198 | 169 |
| September | 65 | 67 | 24° | 29° | 256 | 179 |
| October | 65 | 67 | 24° | 29° | 301 | 262 |
| November | 65 | 67 | 24° | 28° | 188 | 243 |
| December | 80 | 78 | 25° | 28° | 70 | 91 |
The sunnier month by month: Jan even · Feb San Andrés · Mar San Andrés · Apr San Andrés · May San Andrés · Jun even · Jul even · Aug even · Sep even · Oct even · Nov even · Dec even.
When to pick which
- November–February: too close to call — San José (Alajuela) averages 80/100, San Andrés 81/100. San Andrés is the warmer, around 28°C daytime highs vs 25°C. See the winter sun ranking.
- March–May: San Andrés (average score 84/100 vs 77). Daytime highs are similar (28°C vs 28°C).
- June–August: too close to call — San José (Alajuela) averages 65/100, San Andrés 67/100. San Andrés is the warmer, around 28°C daytime highs vs 25°C.
- September–October: too close to call — San José (Alajuela) averages 65/100, San Andrés 67/100. San Andrés is the warmer, around 29°C daytime highs vs 24°C.
Full month-by-month guides: San José (Alajuela) weather by month · San Andrés weather by month · Best time to visit Colombia.
More comparisons: San José (Alajuela) vs Managua · San José (Alajuela) vs Liberia · San Andrés vs Panama City · San Andrés vs Liberia · all head-to-heads