San Luis weather in April
In April, San Luis sees average daytime highs of 30°C and overnight lows near 21°C, with 55 mm of rain across 9.8 wet days and about 12.4 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.
Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 38% of the time in April, and the air most often feels muggy.
Daylight stretches from about 12 h 12 min at the start of April to 12 h 42 min by month's end. Set against the rest of the year, April is San Luis's 5th-clearest and 6th-windiest month. For the whole year in context, see San Luis's year-round climate.
- Daytime high
- 30°
- 6th warmest
- Overnight low
- 21°
- 5th coldest
- Rainfall
- 55 mm
- 9.8 wet days
- Daylight
- 12 h 30 min
- 5:50 AM – 6:17 PM
- Cloud cover
- 47%
- 5th clearest
- Wind
- 7 km/h
- 6th windiest
- Solar energy
- 6.27 kWh/m²
- Travel score
- 5.1
- out of 10
Temperature in April
Day-to-day highs hold fairly steady near 30°C through the month.
A typical April day in San Luis reaches about 30°C in the afternoon and slips back to 21°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, April runs about 1°C warmer than March and on par with May.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| Avg low (°C) | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 30 | 20 |
| 2 | 30 | 20 |
| 3 | 30 | 20 |
| 4 | 30 | 20 |
| 5 | 30 | 20 |
| 6 | 30 | 20 |
| 7 | 30 | 20 |
| 8 | 30 | 20 |
| 9 | 30 | 20 |
| 10 | 30 | 20 |
| 11 | 30 | 20 |
| 12 | 30 | 20 |
| 13 | 30 | 20 |
| 14 | 30 | 20 |
| 15 | 30 | 20 |
| 16 | 30 | 21 |
| 17 | 30 | 21 |
| 18 | 30 | 21 |
| 19 | 30 | 21 |
| 20 | 30 | 21 |
| 21 | 30 | 21 |
| 22 | 30 | 21 |
| 23 | 30 | 21 |
| 24 | 30 | 21 |
| 25 | 30 | 21 |
| 26 | 30 | 21 |
| 27 | 30 | 21 |
| 28 | 30 | 21 |
| 29 | 30 | 21 |
| 30 | 30 | 21 |
How April really feels in San Luis
Once humidity and wind are folded in, April averages 5 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in April is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
San Luis weather by month
How April compares with the rest of the year at a glance. April is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 19° | 15 | 4 | 10.9 | 7.0 |
| Feb | 29° / 19° | 15 | 3.5 | 11.3 | 6.7 |
| Mar | 29° / 19° | 32 | 6.5 | 11.9 | 6.0 |
| Apr | 30° / 21° | 55 | 9.8 | 12.4 | 5.1 |
| May | 31° / 22° | 143 | 18.7 | 12.9 | 3.9 |
| Jun | 31° / 23° | 113 | 18.5 | 13.2 | 3.4 |
| Jul | 32° / 23° | 89 | 18.6 | 13.1 | 3.2 |
| Aug | 32° / 23° | 110 | 20.6 | 12.7 | 3.0 |
| Sep | 31° / 23° | 141 | 22.9 | 12.1 | 3.0 |
| Oct | 30° / 22° | 120 | 20.2 | 11.5 | 3.8 |
| Nov | 29° / 21° | 58 | 10.1 | 11 | 5.6 |
| Dec | 28° / 20° | 25 | 5.1 | 10.8 | 6.7 |
Cloud cover in April
The sky is clear or mostly clear about 38% of the time in April.
Beyond those clear spells, partly cloudy skies cover about 37% of April, with mostly cloudy or overcast conditions the remaining 26%. Skies tend to cloud over as the month goes on.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 80 | 80 | 79 | 79 | 77 | 77 | 77 | 77 | 76 | 76 | 76 | 75 | 74 | 74 | 74 | 74 | 73 | 74 | 74 | 73 | 73 | 73 | 73 | 72 | 72 | 71 | 71 | 70 | 70 | 70 |
| Cloudier (%) | 20 | 20 | 21 | 21 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 25 | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 27 | 27 | 27 | 27 | 28 | 28 | 29 | 29 | 30 | 30 | 30 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 80 | 20 |
| 2 | 80 | 20 |
| 3 | 79 | 21 |
| 4 | 79 | 21 |
| 5 | 77 | 23 |
| 6 | 77 | 23 |
| 7 | 77 | 23 |
| 8 | 77 | 23 |
| 9 | 76 | 24 |
| 10 | 76 | 24 |
| 11 | 76 | 24 |
| 12 | 75 | 25 |
| 13 | 74 | 26 |
| 14 | 74 | 26 |
| 15 | 74 | 26 |
| 16 | 74 | 26 |
| 17 | 73 | 27 |
| 18 | 74 | 26 |
| 19 | 74 | 26 |
| 20 | 73 | 27 |
| 21 | 73 | 27 |
| 22 | 73 | 27 |
| 23 | 73 | 27 |
| 24 | 72 | 28 |
| 25 | 72 | 28 |
| 26 | 71 | 29 |
| 27 | 71 | 29 |
| 28 | 70 | 30 |
| 29 | 70 | 30 |
| 30 | 70 | 30 |
Chance of precipitation in April
San Luis gets around 55 mm of rain over 9.8 wet days in April. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 33% and peaks near 44% on the wettest days. The odds climb toward the end of the month.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 26 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 27 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 40 | 41 | 42 | 43 | 44 | 44 | 44 |
| Rain chance (%) | |
|---|---|
| 1 | 26 |
| 2 | 25 |
| 3 | 25 |
| 4 | 25 |
| 5 | 26 |
| 6 | 26 |
| 7 | 26 |
| 8 | 26 |
| 9 | 27 |
| 10 | 27 |
| 11 | 28 |
| 12 | 29 |
| 13 | 30 |
| 14 | 31 |
| 15 | 32 |
| 16 | 33 |
| 17 | 34 |
| 18 | 35 |
| 19 | 36 |
| 20 | 37 |
| 21 | 38 |
| 22 | 39 |
| 23 | 40 |
| 24 | 40 |
| 25 | 41 |
| 26 | 42 |
| 27 | 43 |
| 28 | 44 |
| 29 | 44 |
| 30 | 44 |
Humidity in April
Most of April feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, April lands in the muggy band about 61% of days. Sticky, muggy-or-worse air turns up on roughly 71% of them.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Comfortable (%) | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Humid (%) | 31 | 31 | 31 | 31 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 28 | 28 | 27 | 26 | 25 | 24 | 22 | 21 | 19 | 18 | 16 | 15 | 14 | 13 | 13 |
| Muggy (%) | 60 | 60 | 60 | 61 | 61 | 62 | 62 | 62 | 61 | 61 | 61 | 61 | 60 | 61 | 61 | 61 | 60 | 60 | 61 | 61 | 61 | 61 | 61 | 62 | 62 | 63 | 63 | 63 | 63 | 62 |
| Oppressive (%) | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 5 | 6 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 0 | 7 | 31 | 60 | 2 |
| 2 | 0 | 7 | 31 | 60 | 2 |
| 3 | 0 | 7 | 31 | 60 | 2 |
| 4 | 0 | 6 | 31 | 61 | 2 |
| 5 | 0 | 6 | 30 | 61 | 3 |
| 6 | 0 | 5 | 30 | 62 | 3 |
| 7 | 0 | 5 | 30 | 62 | 3 |
| 8 | 0 | 5 | 30 | 62 | 3 |
| 9 | 1 | 4 | 30 | 61 | 4 |
| 10 | 1 | 4 | 30 | 61 | 4 |
| 11 | 1 | 4 | 30 | 61 | 4 |
| 12 | 1 | 3 | 30 | 61 | 5 |
| 13 | 1 | 3 | 30 | 60 | 6 |
| 14 | 1 | 3 | 29 | 61 | 6 |
| 15 | 1 | 2 | 29 | 61 | 7 |
| 16 | 1 | 2 | 28 | 61 | 8 |
| 17 | 1 | 2 | 28 | 60 | 9 |
| 18 | 1 | 2 | 27 | 60 | 10 |
| 19 | 0 | 2 | 26 | 61 | 11 |
| 20 | 0 | 2 | 25 | 61 | 12 |
| 21 | 0 | 2 | 24 | 61 | 13 |
| 22 | 0 | 2 | 22 | 61 | 15 |
| 23 | 0 | 2 | 21 | 61 | 16 |
| 24 | 0 | 2 | 19 | 62 | 17 |
| 25 | 0 | 2 | 18 | 62 | 18 |
| 26 | 0 | 2 | 16 | 63 | 19 |
| 27 | 0 | 2 | 15 | 63 | 20 |
| 28 | 0 | 2 | 14 | 63 | 21 |
| 29 | 0 | 2 | 13 | 63 | 22 |
| 30 | 0 | 2 | 13 | 62 | 23 |
Wind in April
Winds average 7 km/h in April.
Across April, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 8 | calm |
| 2 | 8 | calm |
| 3 | 8 | calm |
| 4 | 8 | calm |
| 5 | 8 | calm |
| 6 | 8 | calm |
| 7 | 8 | calm |
| 8 | 8 | calm |
| 9 | 8 | calm |
| 10 | 8 | calm |
| 11 | 8 | calm |
| 12 | 8 | calm |
| 13 | 8 | calm |
| 14 | 8 | calm |
| 15 | 8 | calm |
| 16 | 8 | calm |
| 17 | 8 | calm |
| 18 | 8 | calm |
| 19 | 7 | calm |
| 20 | 7 | calm |
| 21 | 7 | calm |
| 22 | 7 | calm |
| 23 | 7 | calm |
| 24 | 7 | calm |
| 25 | 7 | calm |
| 26 | 7 | calm |
| 27 | 7 | calm |
| 28 | 7 | calm |
| 29 | 7 | calm |
| 30 | 7 | calm |
Sunrise & sunset in April
Daylight runs from about 12 h 12 min at the start of April to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 30 minutes over April. Sunrise moves from 6:03 AM to 5:39 AM, and sunset from 6:13 PM to 6:22 PM.
| 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 (h) | 12.2 | 12.2 | 12.2 | 12.2 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.7 | 12.7 | 12.7 | 12.7 |
| Sunrise (AM) | 6:03 | 6:02 | 6:01 | 6:00 | 5:59 | 5:58 | 5:57 | 5:57 | 5:56 | 5:55 | 5:54 | 5:53 | 5:52 | 5:51 | 5:51 | 5:50 | 5:49 | 5:48 | 5:47 | 5:47 | 5:46 | 5:45 | 5:44 | 5:44 | 5:43 | 5:42 | 5:41 | 5:41 | 5:40 | 5:39 |
| Sunset (PM) | 6:13 | 6:14 | 6:14 | 6:14 | 6:14 | 6:15 | 6:15 | 6:15 | 6:15 | 6:16 | 6:16 | 6:16 | 6:17 | 6:17 | 6:17 | 6:17 | 6:18 | 6:18 | 6:18 | 6:19 | 6:19 | 6:19 | 6:20 | 6:20 | 6:20 | 6:21 | 6:21 | 6:21 | 6:22 | 6:22 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.2 | 6:03 | 6:13 |
| 2 | 12.2 | 6:02 | 6:14 |
| 3 | 12.2 | 6:01 | 6:14 |
| 4 | 12.2 | 6:00 | 6:14 |
| 5 | 12.3 | 5:59 | 6:14 |
| 6 | 12.3 | 5:58 | 6:15 |
| 7 | 12.3 | 5:57 | 6:15 |
| 8 | 12.3 | 5:57 | 6:15 |
| 9 | 12.3 | 5:56 | 6:15 |
| 10 | 12.3 | 5:55 | 6:16 |
| 11 | 12.4 | 5:54 | 6:16 |
| 12 | 12.4 | 5:53 | 6:16 |
| 13 | 12.4 | 5:52 | 6:17 |
| 14 | 12.4 | 5:51 | 6:17 |
| 15 | 12.4 | 5:51 | 6:17 |
| 16 | 12.5 | 5:50 | 6:17 |
| 17 | 12.5 | 5:49 | 6:18 |
| 18 | 12.5 | 5:48 | 6:18 |
| 19 | 12.5 | 5:47 | 6:18 |
| 20 | 12.5 | 5:47 | 6:19 |
| 21 | 12.6 | 5:46 | 6:19 |
| 22 | 12.6 | 5:45 | 6:19 |
| 23 | 12.6 | 5:44 | 6:20 |
| 24 | 12.6 | 5:44 | 6:20 |
| 25 | 12.6 | 5:43 | 6:20 |
| 26 | 12.6 | 5:42 | 6:21 |
| 27 | 12.7 | 5:41 | 6:21 |
| 28 | 12.7 | 5:41 | 6:21 |
| 29 | 12.7 | 5:40 | 6:22 |
| 30 | 12.7 | 5:39 | 6:22 |
Solar energy in April
Average shortwave solar energy reaching the ground each day in April, about 6.27 kWh/m².
For context, solar energy here swings from a low near 4.12 kWh/m² to a high of 6.64 kWh/m² in July across the year — April's 6.27 kWh/m² falls in the middle.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.1 | 6.1 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.4 | 6.4 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.1 | Intense |
| 2 | 6.1 | Intense |
| 3 | 6.2 | Intense |
| 4 | 6.2 | Intense |
| 5 | 6.2 | Intense |
| 6 | 6.2 | Intense |
| 7 | 6.2 | Intense |
| 8 | 6.2 | Intense |
| 9 | 6.2 | Intense |
| 10 | 6.2 | Intense |
| 11 | 6.2 | Intense |
| 12 | 6.3 | Intense |
| 13 | 6.3 | Intense |
| 14 | 6.3 | Intense |
| 15 | 6.3 | Intense |
| 16 | 6.3 | Intense |
| 17 | 6.3 | Intense |
| 18 | 6.3 | Intense |
| 19 | 6.3 | Intense |
| 20 | 6.3 | Intense |
| 21 | 6.3 | Intense |
| 22 | 6.3 | Intense |
| 23 | 6.3 | Intense |
| 24 | 6.3 | Intense |
| 25 | 6.3 | Intense |
| 26 | 6.3 | Intense |
| 27 | 6.3 | Intense |
| 28 | 6.3 | Intense |
| 29 | 6.4 | Intense |
| 30 | 6.4 | Intense |
Hazard calendar for San Luis
None of San Luis's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
San Luis sits in the Atlantic hurricane belt; the season peaks August–October.
San Luis's rainy season runs May–October, when most of the year's rain falls.
Is April a good time to visit San Luis?
Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
April is a reasonable time to visit San Luis for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for San Luis in April
From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In April, San Luis sees daytime highs around 30°C and nights near 21°C. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.
Sea temperature near San Luis in April
The nearest coast averages about 28°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 35 km away) is warmest in September at about 30°C and coldest in February near 27°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 27 | 27 | 27 | 28 | 28 | 29 | 29 | 30 | 30 | 30 | 29 | 28 |
| Comfort | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 28 | Warm |
| May | 28 | Tropical |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 30 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Warm |
UV index in San Luis in April
Clear-sky midday UV in April peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in San Luis peaks around June 14 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 7 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 8 | 10 | 12 | 11 | 12 | 12 | 11 | 12 | 12 | 10 | 7 | 7 |
| Level | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 10 | Very high |
| Mar | 12 | Extreme |
| Apr | 11 | Extreme |
| May | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Very high |
| Nov | 7 | Very high |
| Dec | 7 | High |
Air quality in San Luis in April
Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.
Air quality in San Luis is worst in June — around 25 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (December, 7 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 8 | 9 | 10 | 12 | 15 | 25 | 23 | 19 | 15 | 12 | 8 | 7 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 9 | Good |
| Mar | 10 | Good |
| Apr | 12 | Good |
| May | 15 | Moderate |
| Jun | 25 | Moderate |
| Jul | 23 | Moderate |
| Aug | 19 | Moderate |
| Sep | 15 | Moderate |
| Oct | 12 | Moderate |
| Nov | 8 | Good |
| Dec | 7 | Good |
Where is San Luis?
San Luis sits at 20.2°N, 75.9°W, 201 m above sea level, in Cuba. The nearest listed city is Palma Soriano, 15 km away.
Topography around San Luis
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Luis.
Within 3 km, the terrain around San Luis has only modest variations in elevation — a maximum elevation change of 171 m around an average of 184 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 569 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,730 m.
The land around San Luis is covered by trees (38%) and grassland (35%) within 3 km, trees (63%) and grassland (27%) within 16 km, and trees (47%) and water (27%) within 80 km.
Cuba travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B / C / L
- 110 V · 60 Hz
- Prices
- ≈ 39% of US
- price level, 2011
- GDP per capita
- $9,605
- 2020
- Happiness
- 5.4 / 10
- World Happiness, 2011
- Homicide rate
- 4.5
- per 100k, 2019
- Road deaths
- 8.9
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Moderate
- EF EPI 515
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for San Luis (20.1881°, -75.8503°, elevation 201 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).