Santa Rosa weather in July

In July, Santa Rosa sees average daytime highs of 21°C and overnight lows near 9°C, with 23 mm of rain across 5.1 wet days and about 10.7 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 22°C by the end. The sky is clear or mostly clear about 53% of the time in July, and the air most often feels dry.

Daylight stretches from about 10 h 36 min at the start of July to 10 h 54 min by month's end. Set against the rest of the year, July is Santa Rosa's 3rd-clearest and 7th-windiest month. For the whole year in context, see Santa Rosa's year-round climate.

Daytime high
21°
11th warmest
Overnight low
1st coldest
Rainfall
23 mm
5.1 wet days
Daylight
10 h 42 min
8:03 AM – 6:44 PM
Cloud cover
41%
3rd clearest
Wind
6 km/h
7th windiest
Solar energy
3.58 kWh/m²
Travel score
7.5
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 20°C in the first days to 22°C by the end.

A typical July day in Santa Rosa reaches about 21°C in the afternoon and slips back to 9°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 27°C. Set against its neighbours, July runs on par with June and about 4°C cooler than August.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12010
22010
3209
4209
5209
6209
7209
8209
9209
10209
11209
12209
13209
14209
15209
16219
17219
18219
19219
20219
21219
22219
23219
24219
25219
26229
27229
28229
29229
30229
312210

How July really feels in Santa Rosa

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

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Santa Rosa weather by month

How July compares with the rest of the year at a glance. July is the 11th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°22416.513.33.7
Feb30° / 21°22816.212.84.1
Mar28° / 20°24918.112.24.8
Apr25° / 17°16215.311.55.9
May22° / 14°7911.910.96.3
Jun20° / 11°387.910.66.6
Jul21° / 235.110.77.5
Aug25° / 11°163.611.28.3
Sep28° / 15°224.311.97.1
Oct30° / 18°819.512.55.0
Nov31° / 20°12611.913.14.3
Dec31° / 21°21815.413.43.7

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 11% of July, with mostly cloudy or overcast conditions the remaining 36%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25545
35644
45743
55743
65842
75842
85941
95842
105941
116040
126139
136139
146238
156238
166436
176436
186535
196535
206634
216634
226832
236832
246931
257030
267030
277129
287129
297228
307228
317228

Chance of precipitation in July

Any precipitation

Santa Rosa gets around 23 mm of rain over 5.1 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 16% and peaks near 23% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
123
222
322
422
521
621
721
820
920
1019
1119
1218
1317
1416
1516
1615
1715
1814
1914
2013
2113
2212
2312
2412
2512
2612
2713
2813
2913
3013
3113

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 77% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
172208
272208
372217
472217
572226
672226
773225
872235
973234
1073234
1174224
1274224
1376213
1476213
1577203
1677203
1778193
1879183
1978184
2079174
2180164
2280155
2381145
2482135
2581136
2682126
2782126
2883116
2983116
3083116
3182117

Wind in July

Winds average 6 km/h in July.

Across July, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 10 h 36 min at the start of July to 10 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over July. Sunrise moves from 8:04 AM to 7:57 AM, and sunset from 6:38 PM to 6:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.68:046:38
210.68:046:39
310.68:046:39
410.68:046:39
510.68:046:40
610.68:046:40
710.68:046:40
810.68:046:41
910.68:046:41
1010.68:046:42
1110.68:046:42
1210.68:036:42
1310.78:036:43
1410.78:036:43
1510.78:036:44
1610.78:036:44
1710.78:026:44
1810.78:026:45
1910.78:026:45
2010.78:026:46
2110.78:016:46
2210.88:016:47
2310.88:016:47
2410.88:006:47
2510.88:006:48
2610.87:596:48
2710.87:596:49
2810.87:596:49
2910.97:586:50
3010.97:586:50
3110.97:576:51

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 3.58 kWh/m².

For context, solar energy here swings from a low near 2.94 kWh/m² to a high of 5.68 kWh/m² in December across the year — July's 3.58 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
13.2Moderate
23.2Moderate
33.2Moderate
43.2Moderate
53.3Moderate
63.3Moderate
73.3Moderate
83.3Moderate
93.4Moderate
103.4Moderate
113.4Moderate
123.4Moderate
133.5Moderate
143.5Moderate
153.5Moderate
163.6Moderate
173.6Moderate
183.6Moderate
193.7Moderate
203.7Moderate
213.8Moderate
223.8Moderate
233.8Moderate
243.9Moderate
253.9Moderate
263.9Moderate
274.0Moderate
284.0Moderate
294.0Bright
304.0Bright
314.1Bright
Planning a trip in July

Hazard calendar for Santa Rosa

In seasonPeak

None of Santa Rosa's seasonal hazards are active in July. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Santa Rosa's monsoon runs November–April, when most of the year's rain falls.

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

Is July a good time to visit Santa Rosa?

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

7.5
Sightseeing
2nd-best month of the year
4.5
Beach & pool
10th-best month of the year

July is one of the better times to visit Santa Rosa for general sightseeing.

What to pack for Santa Rosa in July

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

In July, Santa Rosa sees daytime highs around 21°C and nights near 9°C. Little to plan around — just the basics. About 5 days see rain.

UV index in Santa Rosa in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santa Rosa peaks around January 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 5 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 18UV 15Jul 11UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar13Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep10Very high
Oct8Very high
Nov13Extreme
Dec14Extreme

Air quality in Santa Rosa in July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.

Air quality in Santa Rosa is worst in September — around 36 µg/m³ PM2.5 (poor), about 8.2× the cleanest month (May, 4 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateSep 2135 µg/m³May 135 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar7Good
Apr5Good
May4Good
Jun7Good
Jul8Good
Aug15Moderate
Sep36Poor
Oct32Moderate
Nov27Moderate
Dec17Moderate
Location & terrain

Where is Santa Rosa?

Santa Rosa sits at 23.4°S, 64.4°W, 341 m above sea level, in Argentina. The nearest listed city is Pichanal, 23 km away.

Topography around Santa Rosa

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

Within 3 km, the terrain around Santa Rosa has only modest variations in elevation — a maximum elevation change of 78 m around an average of 352 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 433 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,850 m.

The land around Santa Rosa is covered by cropland (43%) and trees (31%) within 3 km, trees (62%) and cropland (31%) within 16 km, and trees (64%) within 80 km.

3 km
78 m
16 km
433 m
80 km
4,850 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Pichanal 23 km · San Ramón de la Nueva Orán 30 km · Embarcación 39 km · Libertador General San Martín 60 km · Bermejo 74 km · San Pedro de Jujuy 103 km · General Mosconi 109 km · Tartagal 116 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
Roman Catholic 63%none 19%Evangelical 15%Jehovah's Witness and Church of Jesus Christ 1%

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 Santa Rosa (-23.3943°, -64.4251°, elevation 341 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. 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).