San Luis weather in June
In June, San Luis sees average daytime highs of 16°C and overnight lows near 5°C, with 8 mm of precipitation across 1.9 wet days and about 9.8 hours of daylight. It is the 11th-warmest and 12th-wettest month of the year here.
Day-to-day highs hold fairly steady near 16°C through the month. The sky is clear or mostly clear about 53% of the time in June, and the air most often feels dry.
Daylight stretches from about 10 hours at the start of June to 9 h 48 min by month's end. Set against the rest of the year, June is San Luis's 5th-clearest and 11th-windiest month. For the whole year in context, see San Luis's year-round climate.
- Daytime high
- 16°
- 11th warmest
- Overnight low
- 5°
- 2nd coldest
- Precipitation
- 8 mm
- 1.9 wet days
- Daylight
- 9 h 48 min
- 8:31 AM – 6:20 PM
- Cloud cover
- 40%
- 5th clearest
- Wind
- 10 km/h
- 11th windiest
- Solar energy
- 2.78 kWh/m²
- Travel score
- 6.3
- out of 10
San Luis is capital city of the San Luis Province in the Cuyo region of Argentina.
- Founded
- 1594
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in June
Day-to-day highs hold fairly steady near 16°C through the month.
A typical June day in San Luis reaches about 16°C in the afternoon and slips back to 5°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 21°C. Set against its neighbours, June runs about 2°C cooler than May and on par with July.
| 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) | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| Avg low (°C) | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 17 | 6 |
| 2 | 17 | 6 |
| 3 | 17 | 6 |
| 4 | 17 | 6 |
| 5 | 17 | 6 |
| 6 | 17 | 5 |
| 7 | 17 | 5 |
| 8 | 16 | 5 |
| 9 | 16 | 5 |
| 10 | 16 | 5 |
| 11 | 16 | 5 |
| 12 | 16 | 5 |
| 13 | 16 | 5 |
| 14 | 16 | 5 |
| 15 | 16 | 5 |
| 16 | 16 | 5 |
| 17 | 16 | 5 |
| 18 | 16 | 5 |
| 19 | 16 | 5 |
| 20 | 16 | 5 |
| 21 | 16 | 5 |
| 22 | 16 | 4 |
| 23 | 16 | 4 |
| 24 | 16 | 4 |
| 25 | 16 | 4 |
| 26 | 16 | 4 |
| 27 | 16 | 4 |
| 28 | 16 | 4 |
| 29 | 16 | 4 |
| 30 | 16 | 4 |
San Luis weather by month
How June compares with the rest of the year at a glance. June is the 11th-warmest and 12th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 18° | 107 | 13.3 | 14 | 5.3 |
| Feb | 28° / 17° | 81 | 10.9 | 13.2 | 6.3 |
| Mar | 26° / 15° | 80 | 10.1 | 12.3 | 7.1 |
| Apr | 22° / 11° | 53 | 7 | 11.2 | 7.4 |
| May | 18° / 8° | 25 | 4.2 | 10.3 | 6.8 |
| Jun | 16° / 5° | 8 | 1.9 | 9.8 | 6.3 |
| Jul | 16° / 4° | 9 | 2.1 | 10 | 6.1 |
| Aug | 18° / 6° | 15 | 2.6 | 10.8 | 7.4 |
| Sep | 21° / 9° | 30 | 4.6 | 11.8 | 7.6 |
| Oct | 24° / 12° | 66 | 8.7 | 12.8 | 7.5 |
| Nov | 26° / 14° | 89 | 11.7 | 13.7 | 6.7 |
| Dec | 28° / 17° | 102 | 13.1 | 14.2 | 5.8 |
Cloud cover in June
The sky is clear or mostly clear about 53% of the time in June.
Beyond those clear spells, partly cloudy skies cover about 16% of June, with mostly cloudy or overcast conditions the remaining 31%. Skies tend to open up 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 (%) | 63 | 65 | 65 | 67 | 67 | 67 | 67 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 68 | 69 | 70 | 70 | 71 | 71 | 72 | 72 | 73 | 73 | 73 |
| Cloudier (%) | 37 | 35 | 35 | 33 | 33 | 33 | 33 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 31 | 30 | 30 | 29 | 29 | 28 | 28 | 27 | 27 | 27 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 63 | 37 |
| 2 | 65 | 35 |
| 3 | 65 | 35 |
| 4 | 67 | 33 |
| 5 | 67 | 33 |
| 6 | 67 | 33 |
| 7 | 67 | 33 |
| 8 | 68 | 32 |
| 9 | 68 | 32 |
| 10 | 68 | 32 |
| 11 | 68 | 32 |
| 12 | 68 | 32 |
| 13 | 68 | 32 |
| 14 | 68 | 32 |
| 15 | 68 | 32 |
| 16 | 68 | 32 |
| 17 | 68 | 32 |
| 18 | 68 | 32 |
| 19 | 68 | 32 |
| 20 | 68 | 32 |
| 21 | 69 | 31 |
| 22 | 70 | 30 |
| 23 | 70 | 30 |
| 24 | 71 | 29 |
| 25 | 71 | 29 |
| 26 | 72 | 28 |
| 27 | 72 | 28 |
| 28 | 73 | 27 |
| 29 | 73 | 27 |
| 30 | 73 | 27 |
Chance of precipitation in June
San Luis gets around 8 mm of rain and snow over 1.9 wet days in June, the driest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 7% and peaks near 8% on the wettest days, and about 0 day brings snow.
| 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 (%) | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Rain chance (%) | |
|---|---|
| 1 | 8 |
| 2 | 8 |
| 3 | 7 |
| 4 | 7 |
| 5 | 7 |
| 6 | 7 |
| 7 | 7 |
| 8 | 7 |
| 9 | 7 |
| 10 | 7 |
| 11 | 7 |
| 12 | 7 |
| 13 | 7 |
| 14 | 7 |
| 15 | 7 |
| 16 | 7 |
| 17 | 7 |
| 18 | 7 |
| 19 | 7 |
| 20 | 7 |
| 21 | 7 |
| 22 | 7 |
| 23 | 6 |
| 24 | 6 |
| 25 | 6 |
| 26 | 6 |
| 27 | 6 |
| 28 | 6 |
| 29 | 6 |
| 30 | 6 |
Humidity in June
Most of June feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, June lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 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 (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Comfortable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | |
|---|---|---|
| 1 | 100 | 0 |
| 2 | 100 | 0 |
| 3 | 100 | 0 |
| 4 | 100 | 0 |
| 5 | 100 | 0 |
| 6 | 100 | 0 |
| 7 | 100 | 0 |
| 8 | 100 | 0 |
| 9 | 100 | 0 |
| 10 | 100 | 0 |
| 11 | 100 | 0 |
| 12 | 99 | 1 |
| 13 | 99 | 1 |
| 14 | 99 | 1 |
| 15 | 99 | 1 |
| 16 | 99 | 1 |
| 17 | 99 | 1 |
| 18 | 99 | 1 |
| 19 | 99 | 1 |
| 20 | 99 | 1 |
| 21 | 100 | 0 |
| 22 | 100 | 0 |
| 23 | 100 | 0 |
| 24 | 100 | 0 |
| 25 | 100 | 0 |
| 26 | 100 | 0 |
| 27 | 100 | 0 |
| 28 | 100 | 0 |
| 29 | 100 | 0 |
| 30 | 100 | 0 |
Wind in June
Winds average 10 km/h in June.
Across June, daily wind ranges from about 9 km/h on the calmest days to 10 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) | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| 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 | 9 | calm |
| 2 | 9 | calm |
| 3 | 9 | calm |
| 4 | 9 | calm |
| 5 | 9 | calm |
| 6 | 9 | calm |
| 7 | 10 | calm |
| 8 | 10 | calm |
| 9 | 10 | calm |
| 10 | 10 | calm |
| 11 | 10 | calm |
| 12 | 10 | calm |
| 13 | 10 | calm |
| 14 | 10 | calm |
| 15 | 10 | calm |
| 16 | 10 | calm |
| 17 | 10 | calm |
| 18 | 10 | calm |
| 19 | 10 | calm |
| 20 | 10 | calm |
| 21 | 10 | calm |
| 22 | 10 | calm |
| 23 | 10 | calm |
| 24 | 10 | calm |
| 25 | 10 | calm |
| 26 | 10 | calm |
| 27 | 10 | calm |
| 28 | 10 | calm |
| 29 | 10 | calm |
| 30 | 10 | calm |
Sunrise & sunset in June
Daylight runs from about 10 hours at the start of June to 9 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 12 minutes over June. Sunrise moves from 8:24 AM to 8:34 AM, and sunset from 6:22 PM to 6:23 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) | 10.0 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 |
| Sunrise (AM) | 8:24 | 8:24 | 8:25 | 8:26 | 8:26 | 8:27 | 8:27 | 8:28 | 8:28 | 8:29 | 8:29 | 8:30 | 8:30 | 8:30 | 8:31 | 8:31 | 8:32 | 8:32 | 8:32 | 8:32 | 8:33 | 8:33 | 8:33 | 8:33 | 8:34 | 8:34 | 8:34 | 8:34 | 8:34 | 8:34 |
| Sunset (PM) | 6:22 | 6:21 | 6:21 | 6:21 | 6:21 | 6:20 | 6:20 | 6:20 | 6:20 | 6:20 | 6:20 | 6:20 | 6:20 | 6:20 | 6:20 | 6:20 | 6:20 | 6:20 | 6:20 | 6:20 | 6:20 | 6:21 | 6:21 | 6:21 | 6:21 | 6:22 | 6:22 | 6:22 | 6:23 | 6:23 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 10.0 | 8:24 | 6:22 |
| 2 | 9.9 | 8:24 | 6:21 |
| 3 | 9.9 | 8:25 | 6:21 |
| 4 | 9.9 | 8:26 | 6:21 |
| 5 | 9.9 | 8:26 | 6:21 |
| 6 | 9.9 | 8:27 | 6:20 |
| 7 | 9.9 | 8:27 | 6:20 |
| 8 | 9.9 | 8:28 | 6:20 |
| 9 | 9.9 | 8:28 | 6:20 |
| 10 | 9.9 | 8:29 | 6:20 |
| 11 | 9.8 | 8:29 | 6:20 |
| 12 | 9.8 | 8:30 | 6:20 |
| 13 | 9.8 | 8:30 | 6:20 |
| 14 | 9.8 | 8:30 | 6:20 |
| 15 | 9.8 | 8:31 | 6:20 |
| 16 | 9.8 | 8:31 | 6:20 |
| 17 | 9.8 | 8:32 | 6:20 |
| 18 | 9.8 | 8:32 | 6:20 |
| 19 | 9.8 | 8:32 | 6:20 |
| 20 | 9.8 | 8:32 | 6:20 |
| 21 | 9.8 | 8:33 | 6:20 |
| 22 | 9.8 | 8:33 | 6:21 |
| 23 | 9.8 | 8:33 | 6:21 |
| 24 | 9.8 | 8:33 | 6:21 |
| 25 | 9.8 | 8:34 | 6:21 |
| 26 | 9.8 | 8:34 | 6:22 |
| 27 | 9.8 | 8:34 | 6:22 |
| 28 | 9.8 | 8:34 | 6:22 |
| 29 | 9.8 | 8:34 | 6:23 |
| 30 | 9.8 | 8:34 | 6:23 |
Solar energy in June
Average shortwave solar energy reaching the ground each day in June, about 2.78 kWh/m² — the year's lowest.
For context, solar energy here swings from a low near 2.78 kWh/m² to a high of 7.59 kWh/m² in December across the year — June's 2.78 kWh/m² sits near the bottom.
| 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) | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 2.8 | Moderate |
| 2 | 2.8 | Moderate |
| 3 | 2.8 | Moderate |
| 4 | 2.8 | Moderate |
| 5 | 2.8 | Moderate |
| 6 | 2.8 | Moderate |
| 7 | 2.8 | Moderate |
| 8 | 2.8 | Moderate |
| 9 | 2.8 | Moderate |
| 10 | 2.8 | Moderate |
| 11 | 2.8 | Moderate |
| 12 | 2.8 | Moderate |
| 13 | 2.8 | Moderate |
| 14 | 2.8 | Moderate |
| 15 | 2.7 | Moderate |
| 16 | 2.7 | Moderate |
| 17 | 2.7 | Moderate |
| 18 | 2.7 | Moderate |
| 19 | 2.7 | Moderate |
| 20 | 2.7 | Moderate |
| 21 | 2.7 | Moderate |
| 22 | 2.8 | Moderate |
| 23 | 2.8 | Moderate |
| 24 | 2.8 | Moderate |
| 25 | 2.8 | Moderate |
| 26 | 2.8 | Moderate |
| 27 | 2.8 | Moderate |
| 28 | 2.8 | Moderate |
| 29 | 2.8 | Moderate |
| 30 | 2.8 | Moderate |
Hazard calendar for San Luis
None of San Luis's seasonal hazards are active in June. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
San Luis's rainy season runs October–April, when most of the year's rain falls.
Is June a good time to visit San Luis?
Our two travel scores rate June for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
June is a reasonable time to visit San Luis for sightseeing.
What to pack for San Luis in June
From June's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In June, San Luis sees daytime highs around 16°C and nights near 5°C. Worth packing: a warm layer.
UV index in San Luis in June
Clear-sky midday UV in June peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in San Luis peaks around January 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 3 (moderate).
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) | 14 | 13 | 10 | 6 | 4 | 3 | 3 | 4 | 6 | 10 | 12 | 13 |
| Level | Extreme | Extreme | Extreme | High | Moderate | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 13 | Extreme |
| Mar | 10 | Extreme |
| Apr | 6 | High |
| May | 4 | Moderate |
| Jun | 3 | Moderate |
| Jul | 3 | Moderate |
| Aug | 4 | Moderate |
| Sep | 6 | High |
| Oct | 10 | Very high |
| Nov | 12 | Extreme |
| Dec | 13 | Extreme |
Where is San Luis?
San Luis sits at 33.3°S, 66.3°W, 729 m above sea level, in Argentina. The nearest listed city is Villa Mercedes, 91 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 121 m around an average of 743 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,416 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,820 m.
The land around San Luis is covered by artificial surfaces (72%) within 3 km, shrubs (50%) and grassland (24%) within 16 km, and shrubs (59%) and grassland (22%) within 80 km.
Argentina travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / I
- 220 V · 50 Hz
- Prices
- ≈ 46% of US
- price level, 2025
- GDP per capita
- $14,898
- 2025
- Happiness
- 6.4 / 10
- World Happiness, 2025
- Homicide rate
- 4.5
- per 100k, 2023
- Road deaths
- 14.1
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- High
- EF EPI 575
- 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 (-33.2914°, -66.3247°, elevation 729 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).