Average temperature in June is 18.2 °C
Average daytime temperature is 21.2 °C
Average night temperature is 15.9 °C
Absolute maximum temperature: 24.1 °C
Absolute minimum temperature: 15.1 °C
Number of sunny days:
Number of rainy days: 30
Number of snow days:
Precipitation sum: 433 mm
* Weather data for San Marcos Costa Rica is based on climate observations for 2023 year
| June (°C) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | 20.6 | 21 | 21.6 | 21.1 | 19.9 | 21.4 | 20.5 | 21.5 | 19.8 | 19.7 | 22.3 | 22.3 | 21.7 | 21.5 | 20.6 | 20.4 | 21.8 | 21.7 | 21.6 | 24.1 | 21.1 | 19.5 | 21 | 20.9 | 20.5 | 20.6 | 21 | 22.4 | 23.2 | 22.1 |
| Apparent max temperature | 22.7 | 23.1 | 24.6 | 23.9 | 21.8 | 25.1 | 23.1 | 24.9 | 22.6 | 22.3 | 25.4 | 25.5 | 24.7 | 24.7 | 23.3 | 22.9 | 24.8 | 25.2 | 25.2 | 28.5 | 24.4 | 22.1 | 24.4 | 24.1 | 23.6 | 22.8 | 22.9 | 26.2 | 26.8 | 25.3 |
| Mean temperature | 17.8 | 17.8 | 18 | 18.1 | 17.7 | 18.2 | 17.8 | 18.1 | 17.7 | 17.6 | 18.4 | 18.9 | 18.4 | 18.2 | 17.9 | 17.6 | 18.3 | 18.3 | 19 | 19.4 | 18.6 | 17.8 | 18.1 | 17.9 | 17.8 | 17.8 | 17.8 | 18.8 | 18.9 | 19.3 |
| Apparent mean temperature | 16.3 | 16.9 | 16.6 | 16.4 | 17.6 | 16.4 | 17.2 | 16 | 16.3 | 17 | 17 | 17.4 | 16.7 | 16.8 | 16.7 | 15.8 | 16.7 | 17.1 | 17.2 | 17.5 | 18.3 | 16.5 | 17.3 | 16.4 | 16 | 17.2 | 16.9 | 15.9 | 14.4 | 18.4 |
| Minimum temperature | 15.1 | 15.6 | 15.6 | 15.7 | 16 | 15.6 | 15.8 | 15.3 | 15.4 | 15.4 | 15.8 | 16.4 | 15.9 | 15.5 | 15.6 | 15.1 | 15.9 | 16.2 | 16.7 | 17 | 17.1 | 15.1 | 16.1 | 15.3 | 15.6 | 15.9 | 15.9 | 16.1 | 15.1 | 17.7 |
| Apparent min temperature | 19.7 | 19.4 | 19.9 | 19.8 | 19.5 | 20.3 | 19.7 | 20.2 | 19.5 | 19.7 | 20.6 | 21.4 | 20.4 | 20.2 | 20.1 | 19.5 | 20.3 | 20.2 | 20.8 | 21.4 | 20.6 | 19.9 | 20.2 | 19.9 | 19.4 | 19.4 | 19.5 | 20.5 | 20.1 | 21.2 |
| June | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 12.6 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 |
| Sunshine duration (h) | 8.7 | 4.1 | 10.6 | 9.5 | 5.9 | 10.2 | 7.1 | 8.1 | 8.1 | 4.9 | 9.4 | 10.9 | 9.5 | 8.3 | 4.3 | 4.9 | 7.9 | 8.7 | 8.2 | 7.3 | 7.8 | 4.7 | 7 | 7.1 | 10 | 6.9 | 8.8 | 9.7 | 10.6 | 8.6 |
| Precipitation (mm) | 14 | 3 | 3.4 | 6.7 | 35.7 | 11.2 | 17.1 | 23.7 | 7.9 | 27.2 | 19.6 | 8.7 | 39.3 | 14.3 | 22.8 | 12.1 | 18 | 3.9 | 5.3 | 4 | 14.9 | 16.2 | 45.4 | 19.5 | 22.7 | 6.3 | 7.7 | 0.1 | 0.1 | 1.9 |
| Precipitation hours | 19 | 12 | 9 | 8 | 15 | 7 | 8 | 10 | 14 | 20 | 17 | 16 | 9 | 9 | 16 | 12 | 10 | 8 | 8 | 5 | 12 | 15 | 16 | 12 | 10 | 9 | 11 | 1 | 1 | 5 |
| Wind speed (m/s) | 8.2 | 8.4 | 8.1 | 6.7 | 7.1 | 6.9 | 7.8 | 7.6 | 7.6 | 7.6 | 7.1 | 6.3 | 6.7 | 5.6 | 4.6 | 5.3 | 5.4 | 7.6 | 6 | 5.2 | 8.9 | 6.9 | 6.1 | 5.4 | 6.4 | 7.6 | 7.5 | 7.4 | 8.5 | 8.1 |
In June 2023, the highest daytime temperature in San Marcos was 24.1°C.
While the minimum temperature at night dropped to 15.1°C.
The average nighttime and daytime temperatures during June in San Marcos are 15.9°C and 21.2°C respectively.
The precipitation sum in June is about 433 mm.