San Rafael weather in August

In August, San Rafael sees average daytime highs of 18°C and overnight lows near 4°C, with 22 mm of precipitation across 3.4 wet days and about 10.7 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 19°C by the end. The sky is clear or mostly clear about 59% of the time in August, and the air most often feels dry.

Daylight stretches from about 10 h 12 min at the start of August to 11 h 12 min by month's end. Set against the rest of the year, August is San Rafael's 6th-clearest and 8th-windiest month. For the whole year in context, see San Rafael's year-round climate.

Daytime high: 18°; 10th warmest
Overnight low: 4°; 3rd coldest
Precipitation: 22 mm; 3.4 wet days
Daylight: 10 h 42 min; 8:17 AM – 6:58 PM
Cloud cover: 36%; 6th clearest
Wind: 11 km/h; 8th windiest
Solar energy: 3.97 kWh/m²
Travel score: 6.9; out of 10

San Rafael is city in Mendoza Province, Argentina.

Founded: 1805

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← July San Rafael year-round climate September →Best places to visit in August

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 16°C in the first days to 19°C by the end.

A typical August day in San Rafael reaches about 18°C in the afternoon and slips back to 4°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 24°C. Set against its neighbours, August runs about 3°C warmer than July and about 3°C cooler than September.

	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	31
Avg high (°C)	16	16	16	16	16	16	16	17	17	17	17	17	17	17	17	18	18	18	18	18	18	18	18	19	19	19	19	19	19	19	19
Avg low (°C)	3	3	3	3	3	3	3	3	4	4	4	4	4	4	4	4	4	5	5	5	5	5	5	5	5	5	6	6	6	6	6

	Avg high (°C)	Avg low (°C)
1	16	3
2	16	3
3	16	3
4	16	3
5	16	3
6	16	3
7	16	3
8	17	3
9	17	4
10	17	4
11	17	4
12	17	4
13	17	4
14	17	4
15	17	4
16	18	4
17	18	4
18	18	5
19	18	5
20	18	5
21	18	5
22	18	5
23	18	5
24	19	5
25	19	5
26	19	5
27	19	6
28	19	6
29	19	6
30	19	6
31	19	6

How August really feels in San Rafael

Once humidity and wind are folded in, August averages 0 days that feel above 32°C and 1 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

The story in August is cold — wind chill drags the overnight "feels like" below the raw low.

San Rafael weather by month

How August compares with the rest of the year at a glance. August is the 10th-warmest and 10th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	32° / 18°	46	8.9	0	14.1	4.6
Feb	30° / 17°	47	7.1	0	13.3	5.6
Mar	27° / 15°	48	6.8	0	12.3	7.2
Apr	22° / 10°	42	6	0	11.2	7.7
May	18° / 7°	31	5	0	10.2	6.6
Jun	15° / 4°	18	3.7	0.1	9.7	5.6
Jul	15° / 3°	17	3.2	0.6	9.9	5.5
Aug	18° / 4°	22	3.4	0.3	10.7	6.9
Sep	21° / 8°	28	4.7	0.2	11.8	7.5
Oct	24° / 11°	60	7.6	0	12.9	7.7
Nov	28° / 14°	53	8	0	13.8	6.8
Dec	31° / 17°	53	8.7	0	14.3	5.2

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 14% of August, with mostly cloudy or overcast conditions the remaining 27%.

	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	31
Clearer (%)	73	73	74	74	74	74	74	74	74	74	74	74	74	75	75	75	75	75	74	74	74	74	74	73	73	73	71	71	70	69	69
Cloudier (%)	27	27	26	26	26	26	26	26	26	26	26	26	26	25	25	25	25	25	26	26	26	26	26	27	27	27	29	29	30	31	31

	Clearer (%)	Cloudier (%)
1	73	27
2	73	27
3	74	26
4	74	26
5	74	26
6	74	26
7	74	26
8	74	26
9	74	26
10	74	26
11	74	26
12	74	26
13	74	26
14	75	25
15	75	25
16	75	25
17	75	25
18	75	25
19	74	26
20	74	26
21	74	26
22	74	26
23	74	26
24	73	27
25	73	27
26	73	27
27	71	29
28	71	29
29	70	30
30	69	31
31	69	31

Chance of precipitation in August

Any precipitation

San Rafael gets around 22 mm of rain and snow over 3.4 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 11% and peaks near 12% 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	31
Rain chance (%)	10	10	11	11	11	11	11	11	11	11	11	12	12	12	12	12	12	12	12	11	11	11	11	11	11	11	11	11	11	11	12

	Rain chance (%)
1	10
2	10
3	11
4	11
5	11
6	11
7	11
8	11
9	11
10	11
11	11
12	12
13	12
14	12
15	12
16	12
17	12
18	12
19	12
20	11
21	11
22	11
23	11
24	11
25	11
26	11
27	11
28	11
29	11
30	11
31	12

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August 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	31
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

Wind in August

Winds average 11 km/h in August.

Across August, daily wind ranges from about 11 km/h on the calmest days to 11 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	31
Wind speed (km/h)	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11
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	calm

	Wind speed (km/h)	Feels
1	11	calm
2	11	calm
3	11	calm
4	11	calm
5	11	calm
6	11	calm
7	11	calm
8	11	calm
9	11	calm
10	11	calm
11	11	calm
12	11	calm
13	11	calm
14	11	calm
15	11	calm
16	11	calm
17	11	calm
18	11	calm
19	11	calm
20	11	calm
21	11	calm
22	11	calm
23	11	calm
24	11	calm
25	11	calm
26	11	calm
27	11	calm
28	11	calm
29	11	calm
30	11	calm
31	11	calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 10 h 12 min at the start of August to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over August. Sunrise moves from 8:32 AM to 7:57 AM, and sunset from 6:47 PM to 7:09 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	31
Daylight (h)	10.2	10.3	10.3	10.3	10.4	10.4	10.4	10.4	10.5	10.5	10.5	10.6	10.6	10.6	10.7	10.7	10.7	10.8	10.8	10.8	10.9	10.9	10.9	11.0	11.0	11.0	11.1	11.1	11.1	11.2	11.2
Sunrise (AM)	8:32	8:31	8:30	8:29	8:28	8:27	8:26	8:25	8:24	8:23	8:22	8:21	8:20	8:19	8:18	8:17	8:15	8:14	8:13	8:12	8:11	8:09	8:08	8:07	8:05	8:04	8:03	8:01	8:00	7:59	7:57
Sunset (PM)	6:47	6:48	6:48	6:49	6:50	6:51	6:51	6:52	6:53	6:54	6:54	6:55	6:56	6:57	6:57	6:58	6:59	7:00	7:00	7:01	7:02	7:03	7:04	7:04	7:05	7:06	7:07	7:07	7:08	7:09	7:09

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.2	8:32	6:47
2	10.3	8:31	6:48
3	10.3	8:30	6:48
4	10.3	8:29	6:49
5	10.4	8:28	6:50
6	10.4	8:27	6:51
7	10.4	8:26	6:51
8	10.4	8:25	6:52
9	10.5	8:24	6:53
10	10.5	8:23	6:54
11	10.5	8:22	6:54
12	10.6	8:21	6:55
13	10.6	8:20	6:56
14	10.6	8:19	6:57
15	10.7	8:18	6:57
16	10.7	8:17	6:58
17	10.7	8:15	6:59
18	10.8	8:14	7:00
19	10.8	8:13	7:00
20	10.8	8:12	7:01
21	10.9	8:11	7:02
22	10.9	8:09	7:03
23	10.9	8:08	7:04
24	11.0	8:07	7:04
25	11.0	8:05	7:05
26	11.0	8:04	7:06
27	11.1	8:03	7:07
28	11.1	8:01	7:07
29	11.1	8:00	7:08
30	11.2	7:59	7:09
31	11.2	7:57	7:09

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.97 kWh/m².

For context, solar energy here swings from a low near 2.7 kWh/m² to a high of 8.03 kWh/m² in December across the year — August's 3.97 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	31
Solar energy (kWh/m²)	3.4	3.5	3.5	3.5	3.6	3.6	3.6	3.7	3.7	3.8	3.8	3.8	3.9	3.9	3.9	4.0	4.0	4.0	4.1	4.1	4.2	4.2	4.2	4.3	4.3	4.3	4.3	4.4	4.4	4.4	4.5
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	3.4	Moderate
2	3.5	Moderate
3	3.5	Moderate
4	3.5	Moderate
5	3.6	Moderate
6	3.6	Moderate
7	3.6	Moderate
8	3.7	Moderate
9	3.7	Moderate
10	3.8	Moderate
11	3.8	Moderate
12	3.8	Moderate
13	3.9	Moderate
14	3.9	Moderate
15	3.9	Moderate
16	4.0	Moderate
17	4.0	Bright
18	4.0	Bright
19	4.1	Bright
20	4.1	Bright
21	4.2	Bright
22	4.2	Bright
23	4.2	Bright
24	4.3	Bright
25	4.3	Bright
26	4.3	Bright
27	4.3	Bright
28	4.4	Bright
29	4.4	Bright
30	4.4	Bright
31	4.5	Bright

Planning a trip in August

Is August a good time to visit San Rafael?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.9

Sightseeing

5th-best month of the year

2.0

Beach & pool

10th-best month of the year

August is a reasonable time to visit San Rafael for sightseeing.

What to pack for San Rafael in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, San Rafael sees daytime highs around 18°C and nights near 4°C. Worth packing: a warm layer. About 3 days see rain.

a warm layer

UV index in San Rafael in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 4 — 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 Rafael peaks around January 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	14	13	10	5	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	5	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

Location & terrain

Where is San Rafael?

San Rafael sits at 34.6°S, 68.3°W, 690 m above sea level, in Argentina. The nearest listed city is General Alvear, 71 km away.

Topography around San Rafael

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Rafael.

Within 3 km, the terrain around San Rafael has only modest variations in elevation — a maximum elevation change of 61 m around an average of 696 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 276 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,885 m.

The land around San Rafael is covered by artificial surfaces (59%) and grassland (27%) within 3 km, grassland (54%) and shrubs (33%) within 16 km, and shrubs (62%) and grassland (32%) within 80 km.

3 km

61 m

artificial surfaces 59%

16 km

276 m

grassland 54%

80 km

1,885 m

shrubs 62%

treesshrubsgrasslandcroplandartificial surfacesbare terrain

← July San Rafael year-round climate September →Best places to visit in August

August weather nearby: General Alvear 71 km · Tunuyán 131 km · Malargüe 149 km · Tupungato 158 km · Rivadavia 159 km · San Martín 171 km · Perdriel 179 km · Rodeo del Medio 183 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 Rafael (-34.6153°, -68.3324°, elevation 690 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).

	Avg high (°C)	Avg low (°C)
1	16	3
2	16	3
3	16	3
4	16	3
5	16	3
6	16	3
7	16	3
8	17	3
9	17	4
10	17	4
11	17	4
12	17	4
13	17	4
14	17	4
15	17	4
16	18	4
17	18	4
18	18	5
19	18	5
20	18	5
21	18	5
22	18	5
23	18	5
24	19	5
25	19	5
26	19	5
27	19	6
28	19	6
29	19	6
30	19	6
31	19	6

	Clearer (%)	Cloudier (%)
1	73	27
2	73	27
3	74	26
4	74	26
5	74	26
6	74	26
7	74	26
8	74	26
9	74	26
10	74	26
11	74	26
12	74	26
13	74	26
14	75	25
15	75	25
16	75	25
17	75	25
18	75	25
19	74	26
20	74	26
21	74	26
22	74	26
23	74	26
24	73	27
25	73	27
26	73	27
27	71	29
28	71	29
29	70	30
30	69	31
31	69	31

	Rain chance (%)
1	10
2	10
3	11
4	11
5	11
6	11
7	11
8	11
9	11
10	11
11	11
12	12
13	12
14	12
15	12
16	12
17	12
18	12
19	12
20	11
21	11
22	11
23	11
24	11
25	11
26	11
27	11
28	11
29	11
30	11
31	12

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	16	3
2	16	3
3	16	3
4	16	3
5	16	3
6	16	3
7	16	3
8	17	3
9	17	4
10	17	4
11	17	4
12	17	4
13	17	4
14	17	4
15	17	4
16	18	4
17	18	4
18	18	5
19	18	5
20	18	5
21	18	5
22	18	5
23	18	5
24	19	5
25	19	5
26	19	5
27	19	6
28	19	6
29	19	6
30	19	6
31	19	6

	Clearer (%)	Cloudier (%)
1	73	27
2	73	27
3	74	26
4	74	26
5	74	26
6	74	26
7	74	26
8	74	26
9	74	26
10	74	26
11	74	26
12	74	26
13	74	26
14	75	25
15	75	25
16	75	25
17	75	25
18	75	25
19	74	26
20	74	26
21	74	26
22	74	26
23	74	26
24	73	27
25	73	27
26	73	27
27	71	29
28	71	29
29	70	30
30	69	31
31	69	31

	Rain chance (%)
1	10
2	10
3	11
4	11
5	11
6	11
7	11
8	11
9	11
10	11
11	11
12	12
13	12
14	12
15	12
16	12
17	12
18	12
19	12
20	11
21	11
22	11
23	11
24	11
25	11
26	11
27	11
28	11
29	11
30	11
31	12

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	16	3
2	16	3
3	16	3
4	16	3
5	16	3
6	16	3
7	16	3
8	17	3
9	17	4
10	17	4
11	17	4
12	17	4
13	17	4
14	17	4
15	17	4
16	18	4
17	18	4
18	18	5
19	18	5
20	18	5
21	18	5
22	18	5
23	18	5
24	19	5
25	19	5
26	19	5
27	19	6
28	19	6
29	19	6
30	19	6
31	19	6

	Clearer (%)	Cloudier (%)
1	73	27
2	73	27
3	74	26
4	74	26
5	74	26
6	74	26
7	74	26
8	74	26
9	74	26
10	74	26
11	74	26
12	74	26
13	74	26
14	75	25
15	75	25
16	75	25
17	75	25
18	75	25
19	74	26
20	74	26
21	74	26
22	74	26
23	74	26
24	73	27
25	73	27
26	73	27
27	71	29
28	71	29
29	70	30
30	69	31
31	69	31

	Rain chance (%)
1	10
2	10
3	11
4	11
5	11
6	11
7	11
8	11
9	11
10	11
11	11
12	12
13	12
14	12
15	12
16	12
17	12
18	12
19	12
20	11
21	11
22	11
23	11
24	11
25	11
26	11
27	11
28	11
29	11
30	11
31	12

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100