Treinta y Tres weather in July

In July, Treinta y Tres sees average daytime highs of 16°C and overnight lows near 7°C, with 89 mm of rain across 8 wet days and about 10 hours of daylight. It is the 12th-warmest and 9th-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 32% of the time in July, and the air most often feels dry.

Daylight stretches from about 9 h 48 min at the start of July to 10 h 18 min by month's end. Set against the rest of the year, July is Treinta y Tres's 8th-clearest and 4th-windiest month. For the whole year in context, see Treinta y Tres's year-round climate.

Daytime high: 16°; 12th warmest
Overnight low: 7°; 1st coldest
Rainfall: 89 mm; 8 wet days
Daylight: 10 hours; 8:43 AM – 6:43 PM
Cloud cover: 60%; 8th clearest
Wind: 13 km/h; 4th windiest
Solar energy: 2.43 kWh/m²
Travel score: 5.3; out of 10

Treinta y Tres is city of Treinta y Tres Department, Uruguay.

Density: 1,429/km²; people per km²
Founded: 1853

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

← June Treinta y Tres year-round climate August →Best places to visit in July

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 16°C through the month.

A typical July day in Treinta y Tres reaches about 16°C in the afternoon and slips back to 7°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 22°C. Set against its neighbours, July runs on par with June and about 2°C cooler than August.

	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	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	17	17	17
Avg low (°C)	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7

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

Treinta y Tres weather by month

How July compares with the rest of the year at a glance. July is the 12th-warmest and 9th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	29° / 18°	83	8.5	13.9	5.8
Feb	28° / 18°	94	8.9	13.2	6.1
Mar	27° / 16°	82	8.7	12.3	6.8
Apr	23° / 14°	108	8.7	11.2	7.0
May	19° / 10°	97	7	10.3	6.6
Jun	17° / 8°	91	8.1	9.8	5.5
Jul	16° / 7°	89	8	10	5.3
Aug	18° / 8°	103	8.2	10.8	6.1
Sep	19° / 9°	99	8.6	11.8	6.3
Oct	22° / 12°	112	10	12.8	6.6
Nov	25° / 14°	92	8.1	13.7	7.2
Dec	28° / 16°	87	8.4	14.2	6.6

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 12% of July, with mostly cloudy or overcast conditions the remaining 57%.

	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 (%)	43	42	43	43	43	43	43	43	43	43	45	45	45	44	44	45	45	45	44	44	45	44	43	44	43	42	43	43	42	42	42
Cloudier (%)	57	58	57	57	57	57	57	57	57	57	55	55	55	56	56	55	55	55	56	56	55	56	57	56	57	58	57	57	58	58	58

	Clearer (%)	Cloudier (%)
1	43	57
2	42	58
3	43	57
4	43	57
5	43	57
6	43	57
7	43	57
8	43	57
9	43	57
10	43	57
11	45	55
12	45	55
13	45	55
14	44	56
15	44	56
16	45	55
17	45	55
18	45	55
19	44	56
20	44	56
21	45	55
22	44	56
23	43	57
24	44	56
25	43	57
26	42	58
27	43	57
28	43	57
29	42	58
30	42	58
31	42	58

Chance of precipitation in July

Any precipitation

Treinta y Tres gets around 89 mm of rain over 8 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 26% and peaks near 28% on the wettest days.

	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 (%)	28	28	28	28	28	28	28	27	27	27	27	26	26	26	26	25	25	25	25	25	24	24	25	25	25	25	25	25	26	26	26

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

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 81% 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 (%)	79	79	80	80	80	80	80	79	79	79	81	81	81	81	82	82	82	83	83	83	83	84	84	84	84	84	84	82	82	82	82
Comfortable (%)	15	15	15	15	15	15	15	16	16	16	15	15	15	15	14	14	14	13	13	13	13	12	12	12	12	12	12	13	13	13	13
Humid (%)	6	6	5	5	5	5	5	5	5	5	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	5	5	5	5

	Dry (%)	Comfortable (%)	Humid (%)
1	79	15	6
2	79	15	6
3	80	15	5
4	80	15	5
5	80	15	5
6	80	15	5
7	80	15	5
8	79	16	5
9	79	16	5
10	79	16	5
11	81	15	4
12	81	15	4
13	81	15	4
14	81	15	4
15	82	14	4
16	82	14	4
17	82	14	4
18	83	13	4
19	83	13	4
20	83	13	4
21	83	13	4
22	84	12	4
23	84	12	4
24	84	12	4
25	84	12	4
26	84	12	4
27	84	12	4
28	82	13	5
29	82	13	5
30	82	13	5
31	82	13	5

Wind in July

Winds average 13 km/h in July.

Across July, daily wind ranges from about 13 km/h on the calmest days to 14 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)	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	14	14	14	13	13	13	13	13	13	13	13	13
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

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

Sunrise & sunset in July

DaylightNight

Daylight runs from about 9 h 48 min at the start of July to 10 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over July. Sunrise moves from 8:46 AM to 8:34 AM, and sunset from 6:36 PM to 6:53 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)	9.8	9.8	9.8	9.8	9.9	9.9	9.9	9.9	9.9	9.9	9.9	9.9	10.0	10.0	10.0	10.0	10.0	10.0	10.1	10.1	10.1	10.1	10.1	10.2	10.2	10.2	10.2	10.2	10.3	10.3	10.3
Sunrise (AM)	8:46	8:46	8:46	8:46	8:46	8:46	8:46	8:45	8:45	8:45	8:45	8:45	8:44	8:44	8:44	8:43	8:43	8:42	8:42	8:41	8:41	8:40	8:40	8:39	8:38	8:38	8:37	8:36	8:36	8:35	8:34
Sunset (PM)	6:36	6:36	6:36	6:37	6:37	6:38	6:38	6:39	6:39	6:40	6:40	6:41	6:41	6:42	6:43	6:43	6:44	6:44	6:45	6:46	6:46	6:47	6:48	6:48	6:49	6:50	6:50	6:51	6:52	6:52	6:53

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	9.8	8:46	6:36
2	9.8	8:46	6:36
3	9.8	8:46	6:36
4	9.8	8:46	6:37
5	9.9	8:46	6:37
6	9.9	8:46	6:38
7	9.9	8:46	6:38
8	9.9	8:45	6:39
9	9.9	8:45	6:39
10	9.9	8:45	6:40
11	9.9	8:45	6:40
12	9.9	8:45	6:41
13	10.0	8:44	6:41
14	10.0	8:44	6:42
15	10.0	8:44	6:43
16	10.0	8:43	6:43
17	10.0	8:43	6:44
18	10.0	8:42	6:44
19	10.1	8:42	6:45
20	10.1	8:41	6:46
21	10.1	8:41	6:46
22	10.1	8:40	6:47
23	10.1	8:40	6:48
24	10.2	8:39	6:48
25	10.2	8:38	6:49
26	10.2	8:38	6:50
27	10.2	8:37	6:50
28	10.2	8:36	6:51
29	10.3	8:36	6:52
30	10.3	8:35	6:52
31	10.3	8:34	6:53

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 2.43 kWh/m².

For context, solar energy here swings from a low near 2.21 kWh/m² to a high of 7 kWh/m² in December across the year — July's 2.43 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	31
Solar energy (kWh/m²)	2.2	2.2	2.2	2.3	2.3	2.3	2.3	2.3	2.3	2.3	2.3	2.4	2.4	2.4	2.4	2.4	2.4	2.4	2.5	2.5	2.5	2.5	2.5	2.6	2.6	2.6	2.6	2.6	2.7	2.7	2.7
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	Moderate

	Solar energy (kWh/m²)	Level
1	2.2	Moderate
2	2.2	Moderate
3	2.2	Moderate
4	2.3	Moderate
5	2.3	Moderate
6	2.3	Moderate
7	2.3	Moderate
8	2.3	Moderate
9	2.3	Moderate
10	2.3	Moderate
11	2.3	Moderate
12	2.4	Moderate
13	2.4	Moderate
14	2.4	Moderate
15	2.4	Moderate
16	2.4	Moderate
17	2.4	Moderate
18	2.4	Moderate
19	2.5	Moderate
20	2.5	Moderate
21	2.5	Moderate
22	2.5	Moderate
23	2.5	Moderate
24	2.6	Moderate
25	2.6	Moderate
26	2.6	Moderate
27	2.6	Moderate
28	2.6	Moderate
29	2.7	Moderate
30	2.7	Moderate
31	2.7	Moderate

Planning a trip in July

Is July a good time to visit Treinta y Tres?

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

5.3

Sightseeing

12th-best month of the year

0.7

Beach & pool

12th-best month of the year

July is a reasonable time to visit Treinta y Tres for sightseeing.

What to pack for Treinta y Tres in July

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

In July, Treinta y Tres sees daytime highs around 16°C and nights near 7°C. Worth packing: a warm layer and rain gear. About 8 days see rain.

a warm layerrain gear

UV index in Treinta y Tres in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Treinta y Tres peaks around January 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	13	12	10	6	4	3	3	4	6	8	11	12
Level	Extreme	Extreme	Very high	High	Moderate	Moderate	Moderate	Moderate	High	Very high	Extreme	Extreme

	UV index (midday)	Level
Jan	13	Extreme
Feb	12	Extreme
Mar	10	Very high
Apr	6	High
May	4	Moderate
Jun	3	Moderate
Jul	3	Moderate
Aug	4	Moderate
Sep	6	High
Oct	8	Very high
Nov	11	Extreme
Dec	12	Extreme

Location & terrain

Where is Treinta y Tres?

Treinta y Tres sits at 33.2°S, 54.4°W, 55 m above sea level, in Uruguay. The nearest listed city is Melo, 98 km away.

Topography around Treinta y Tres

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Treinta y Tres.

Within 3 km, the terrain around Treinta y Tres has only modest variations in elevation — a maximum elevation change of 44 m around an average of 40 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 144 m; within 80 km, significant variations in elevation — a maximum elevation change of 375 m.

The land around Treinta y Tres is covered by grassland (38%), trees (35%) and artificial surfaces (24%) within 3 km, grassland (72%) within 16 km, and grassland (69%) within 80 km.

3 km

44 m

grassland 38%

16 km

144 m

grassland 72%

80 km

375 m

grassland 69%

treesgrasslandcroplandartificial surfaceswaterwetland

← June Treinta y Tres year-round climate August →Best places to visit in July

July weather nearby: Melo 98 km · Santa Vitória do Palmar 100 km · Jaguarão 120 km · Rocha 139 km · Minas 150 km · La Paloma 161 km · Arroio Grande 164 km · San Carlos 180 km

Uruguay travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type C / F / I / L; 230 V · 50 Hz
Prices: ≈ 66% of US; price level, 2025
GDP per capita: $25,216; 2025
Happiness: 6.6 / 10; World Happiness, 2025
Homicide rate: 11.2; per 100k, 2023
Road deaths: 14.8; per 100k/yr, 2019
Income group: High; World Bank
English: Moderate; EF EPI 542
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 Treinta y Tres (-33.231°, -54.3858°, elevation 55 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	7
2	16	7
3	16	7
4	16	7
5	16	7
6	16	7
7	16	7
8	16	7
9	16	7
10	16	7
11	16	7
12	16	7
13	16	7
14	16	7
15	16	7
16	16	7
17	16	7
18	16	7
19	16	7
20	16	7
21	16	7
22	16	7
23	16	7
24	16	7
25	16	7
26	16	7
27	16	7
28	16	7
29	17	7
30	17	7
31	17	7

	Clearer (%)	Cloudier (%)
1	43	57
2	42	58
3	43	57
4	43	57
5	43	57
6	43	57
7	43	57
8	43	57
9	43	57
10	43	57
11	45	55
12	45	55
13	45	55
14	44	56
15	44	56
16	45	55
17	45	55
18	45	55
19	44	56
20	44	56
21	45	55
22	44	56
23	43	57
24	44	56
25	43	57
26	42	58
27	43	57
28	43	57
29	42	58
30	42	58
31	42	58

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

	Dry (%)	Comfortable (%)	Humid (%)
1	79	15	6
2	79	15	6
3	80	15	5
4	80	15	5
5	80	15	5
6	80	15	5
7	80	15	5
8	79	16	5
9	79	16	5
10	79	16	5
11	81	15	4
12	81	15	4
13	81	15	4
14	81	15	4
15	82	14	4
16	82	14	4
17	82	14	4
18	83	13	4
19	83	13	4
20	83	13	4
21	83	13	4
22	84	12	4
23	84	12	4
24	84	12	4
25	84	12	4
26	84	12	4
27	84	12	4
28	82	13	5
29	82	13	5
30	82	13	5
31	82	13	5

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

	Clearer (%)	Cloudier (%)
1	43	57
2	42	58
3	43	57
4	43	57
5	43	57
6	43	57
7	43	57
8	43	57
9	43	57
10	43	57
11	45	55
12	45	55
13	45	55
14	44	56
15	44	56
16	45	55
17	45	55
18	45	55
19	44	56
20	44	56
21	45	55
22	44	56
23	43	57
24	44	56
25	43	57
26	42	58
27	43	57
28	43	57
29	42	58
30	42	58
31	42	58

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

	Dry (%)	Comfortable (%)	Humid (%)
1	79	15	6
2	79	15	6
3	80	15	5
4	80	15	5
5	80	15	5
6	80	15	5
7	80	15	5
8	79	16	5
9	79	16	5
10	79	16	5
11	81	15	4
12	81	15	4
13	81	15	4
14	81	15	4
15	82	14	4
16	82	14	4
17	82	14	4
18	83	13	4
19	83	13	4
20	83	13	4
21	83	13	4
22	84	12	4
23	84	12	4
24	84	12	4
25	84	12	4
26	84	12	4
27	84	12	4
28	82	13	5
29	82	13	5
30	82	13	5
31	82	13	5

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

	Clearer (%)	Cloudier (%)
1	43	57
2	42	58
3	43	57
4	43	57
5	43	57
6	43	57
7	43	57
8	43	57
9	43	57
10	43	57
11	45	55
12	45	55
13	45	55
14	44	56
15	44	56
16	45	55
17	45	55
18	45	55
19	44	56
20	44	56
21	45	55
22	44	56
23	43	57
24	44	56
25	43	57
26	42	58
27	43	57
28	43	57
29	42	58
30	42	58
31	42	58

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

	Dry (%)	Comfortable (%)	Humid (%)
1	79	15	6
2	79	15	6
3	80	15	5
4	80	15	5
5	80	15	5
6	80	15	5
7	80	15	5
8	79	16	5
9	79	16	5
10	79	16	5
11	81	15	4
12	81	15	4
13	81	15	4
14	81	15	4
15	82	14	4
16	82	14	4
17	82	14	4
18	83	13	4
19	83	13	4
20	83	13	4
21	83	13	4
22	84	12	4
23	84	12	4
24	84	12	4
25	84	12	4
26	84	12	4
27	84	12	4
28	82	13	5
29	82	13	5
30	82	13	5
31	82	13	5