Chivilcoy weather in May

In May, Chivilcoy sees average daytime highs of 18°C and overnight lows near 9°C, with 63 mm of rain across 6.1 wet days and about 10.2 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 20°C in the first days to 17°C by the end. The sky is clear or mostly clear about 36% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 36 min at the start of May to 9 h 54 min by month's end. Set against the rest of the year, May is Chivilcoy's 12th-clearest and 10th-windiest month. For the whole year in context, see Chivilcoy's year-round climate.

Daytime high: 18°; 9th warmest
Overnight low: 9°; 5th coldest
Rainfall: 63 mm; 6.1 wet days
Daylight: 10 h 12 min; 7:51 AM – 6:02 PM
Cloud cover: 57%; 12th clearest
Wind: 12 km/h; 10th windiest
Solar energy: 2.64 kWh/m²
Travel score: 6.4; out of 10

Chivilcoy is city in Argentina.

Founded: 1854

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

← April Chivilcoy year-round climate June →Best places to visit in May

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 20°C in the first days to 17°C by the end.

A typical May day in Chivilcoy reaches about 18°C in the afternoon and slips back to 9°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 23°C. Set against its neighbours, May runs about 4°C cooler than April and about 3°C warmer than June.

	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)	20	20	20	20	20	20	20	20	19	19	19	19	19	19	19	18	18	18	18	18	18	18	17	17	17	17	17	17	17	16	16
Avg low (°C)	10	10	10	10	10	10	10	10	9	9	9	9	9	9	9	9	9	9	8	8	8	8	8	8	8	8	7	7	7	7	7

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

Chivilcoy weather by month

How May compares with the rest of the year at a glance. May is the 9th-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° / 17°	103	8.5	14.1	5.8
Feb	28° / 17°	100	7.9	13.3	6.7
Mar	26° / 15°	92	8	12.3	7.2
Apr	22° / 12°	102	8.4	11.1	7.1
May	18° / 9°	63	6.1	10.2	6.4
Jun	15° / 6°	54	5.6	9.7	5.1
Jul	14° / 5°	44	5.2	9.9	4.8
Aug	17° / 6°	50	5.2	10.7	6.2
Sep	19° / 8°	66	6.5	11.8	6.7
Oct	22° / 11°	111	9.8	12.9	6.8
Nov	25° / 13°	102	8.8	13.8	7.2
Dec	28° / 16°	98	8.7	14.3	6.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 51%. 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	31
Clearer (%)	54	55	55	55	55	54	54	54	52	52	51	51	49	49	48	48	46	46	46	46	45	45	44	44	44	44	44	43	44	44	45
Cloudier (%)	46	45	45	45	45	46	46	46	48	48	49	49	51	51	52	52	54	54	54	54	55	55	56	56	56	56	56	57	56	56	55

	Clearer (%)	Cloudier (%)
1	54	46
2	55	45
3	55	45
4	55	45
5	55	45
6	54	46
7	54	46
8	54	46
9	52	48
10	52	48
11	51	49
12	51	49
13	49	51
14	49	51
15	48	52
16	48	52
17	46	54
18	46	54
19	46	54
20	46	54
21	45	55
22	45	55
23	44	56
24	44	56
25	44	56
26	44	56
27	44	56
28	43	57
29	44	56
30	44	56
31	45	55

Chance of precipitation in May

Any precipitation

Chivilcoy gets around 63 mm of rain over 6.1 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 20% and peaks near 23% 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 (%)	23	22	22	21	21	20	20	20	19	19	19	19	19	20	20	20	20	21	21	21	21	21	21	20	20	20	19	19	19	18	18

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

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 79% 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 (%)	71	71	72	72	72	73	73	74	76	76	77	77	77	78	79	78	78	79	79	80	80	82	82	83	84	84	86	86	87	87	88
Comfortable (%)	18	18	17	17	17	17	17	16	16	16	15	15	15	15	14	14	14	13	13	12	12	11	11	10	9	9	8	8	8	8	7
Humid (%)	9	9	9	9	9	8	8	8	7	7	7	7	7	6	6	7	7	7	7	7	7	6	6	6	6	6	5	5	4	4	4
Muggy (%)	2	2	2	2	2	2	2	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	71	18	9	2
2	71	18	9	2
3	72	17	9	2
4	72	17	9	2
5	72	17	9	2
6	73	17	8	2
7	73	17	8	2
8	74	16	8	2
9	76	16	7	1
10	76	16	7	1
11	77	15	7	1
12	77	15	7	1
13	77	15	7	1
14	78	15	6	1
15	79	14	6	1
16	78	14	7	1
17	78	14	7	1
18	79	13	7	1
19	79	13	7	1
20	80	12	7	1
21	80	12	7	1
22	82	11	6	1
23	82	11	6	1
24	83	10	6	1
25	84	9	6	1
26	84	9	6	1
27	86	8	5	1
28	86	8	5	1
29	87	8	4	1
30	87	8	4	1
31	88	7	4	1

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 12 km/h on the calmest days to 12 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)	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12
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	12	light breeze
2	12	light breeze
3	12	light breeze
4	12	light breeze
5	12	light breeze
6	12	light breeze
7	12	light breeze
8	12	light breeze
9	12	light breeze
10	12	light breeze
11	12	light breeze
12	12	light breeze
13	12	light breeze
14	12	light breeze
15	12	light breeze
16	12	light breeze
17	12	light breeze
18	12	light breeze
19	12	light breeze
20	12	light breeze
21	12	light breeze
22	12	light breeze
23	12	light breeze
24	12	light breeze
25	12	light breeze
26	12	light breeze
27	12	light breeze
28	12	light breeze
29	12	light breeze
30	12	light breeze
31	12	light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 36 min at the start of May to 9 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over May. Sunrise moves from 7:39 AM to 8:02 AM, and sunset from 6:16 PM to 5:53 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)	10.6	10.6	10.6	10.5	10.5	10.5	10.4	10.4	10.4	10.3	10.3	10.3	10.3	10.2	10.2	10.2	10.2	10.1	10.1	10.1	10.1	10.0	10.0	10.0	10.0	9.9	9.9	9.9	9.9	9.9	9.9
Sunrise (AM)	7:39	7:40	7:40	7:41	7:42	7:43	7:44	7:45	7:45	7:46	7:47	7:48	7:49	7:49	7:50	7:51	7:52	7:53	7:53	7:54	7:55	7:56	7:56	7:57	7:58	7:59	7:59	8:00	8:01	8:01	8:02
Sunset (PM)	6:16	6:15	6:14	6:12	6:11	6:10	6:09	6:09	6:08	6:07	6:06	6:05	6:04	6:03	6:02	6:02	6:01	6:00	5:59	5:59	5:58	5:57	5:57	5:56	5:56	5:55	5:55	5:54	5:54	5:53	5:53

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.6	7:39	6:16
2	10.6	7:40	6:15
3	10.6	7:40	6:14
4	10.5	7:41	6:12
5	10.5	7:42	6:11
6	10.5	7:43	6:10
7	10.4	7:44	6:09
8	10.4	7:45	6:09
9	10.4	7:45	6:08
10	10.3	7:46	6:07
11	10.3	7:47	6:06
12	10.3	7:48	6:05
13	10.3	7:49	6:04
14	10.2	7:49	6:03
15	10.2	7:50	6:02
16	10.2	7:51	6:02
17	10.2	7:52	6:01
18	10.1	7:53	6:00
19	10.1	7:53	5:59
20	10.1	7:54	5:59
21	10.1	7:55	5:58
22	10.0	7:56	5:57
23	10.0	7:56	5:57
24	10.0	7:57	5:56
25	10.0	7:58	5:56
26	9.9	7:59	5:55
27	9.9	7:59	5:55
28	9.9	8:00	5:54
29	9.9	8:01	5:54
30	9.9	8:01	5:53
31	9.9	8:02	5:53

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.64 kWh/m².

For context, solar energy here swings from a low near 2.24 kWh/m² to a high of 7.45 kWh/m² in December across the year — May's 2.64 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)	3.1	3.1	3.1	3.0	3.0	3.0	2.9	2.9	2.9	2.8	2.8	2.8	2.7	2.7	2.7	2.6	2.6	2.6	2.5	2.5	2.5	2.5	2.4	2.4	2.4	2.4	2.4	2.4	2.4	2.3	2.3
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	3.1	Moderate
2	3.1	Moderate
3	3.1	Moderate
4	3.0	Moderate
5	3.0	Moderate
6	3.0	Moderate
7	2.9	Moderate
8	2.9	Moderate
9	2.9	Moderate
10	2.8	Moderate
11	2.8	Moderate
12	2.8	Moderate
13	2.7	Moderate
14	2.7	Moderate
15	2.7	Moderate
16	2.6	Moderate
17	2.6	Moderate
18	2.6	Moderate
19	2.5	Moderate
20	2.5	Moderate
21	2.5	Moderate
22	2.5	Moderate
23	2.4	Moderate
24	2.4	Moderate
25	2.4	Moderate
26	2.4	Moderate
27	2.4	Moderate
28	2.4	Moderate
29	2.4	Moderate
30	2.3	Moderate
31	2.3	Moderate

Planning a trip in May

Is May a good time to visit Chivilcoy?

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

6.4

Sightseeing

7th-best month of the year

2.4

Beach & pool

9th-best month of the year

May is a reasonable time to visit Chivilcoy for sightseeing.

What to pack for Chivilcoy in May

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

In May, Chivilcoy sees daytime highs around 18°C and nights near 9°C. Little to plan around — just the basics. About 6 days see rain.

UV index in Chivilcoy in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Chivilcoy peaks around January 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 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)	13	11	9	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	11	Extreme
Mar	9	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 Chivilcoy?

Chivilcoy sits at 34.9°S, 60.0°W, 40 m above sea level, in Argentina. The nearest listed city is Bragado, 49 km away.

Topography around Chivilcoy

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

Within 3 km, the terrain around Chivilcoy has only modest variations in elevation — a maximum elevation change of 22 m around an average of 53 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 32 m; within 80 km, only modest variations in elevation — a maximum elevation change of 85 m.

The land around Chivilcoy is covered by artificial surfaces (40%), grassland (22%) and cropland (21%) within 3 km, cropland (82%) within 16 km, and cropland (78%) and grassland (20%) within 80 km.

3 km

22 m

artificial surfaces 40%

16 km

32 m

cropland 82%

80 km

85 m

cropland 78%

treesgrasslandcroplandartificial surfaces

← April Chivilcoy year-round climate June →Best places to visit in May

May weather nearby: Bragado 49 km · Chacabuco 50 km · Mercedes 60 km · Carmen de Areco 61 km · Veinticinco de Mayo 61 km · Navarro 69 km · Salto 71 km · Saladillo 85 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 Chivilcoy (-34.8969°, -60.0191°, elevation 40 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	20	10
2	20	10
3	20	10
4	20	10
5	20	10
6	20	10
7	20	10
8	20	10
9	19	9
10	19	9
11	19	9
12	19	9
13	19	9
14	19	9
15	19	9
16	18	9
17	18	9
18	18	9
19	18	8
20	18	8
21	18	8
22	18	8
23	17	8
24	17	8
25	17	8
26	17	8
27	17	7
28	17	7
29	17	7
30	16	7
31	16	7

	Clearer (%)	Cloudier (%)
1	54	46
2	55	45
3	55	45
4	55	45
5	55	45
6	54	46
7	54	46
8	54	46
9	52	48
10	52	48
11	51	49
12	51	49
13	49	51
14	49	51
15	48	52
16	48	52
17	46	54
18	46	54
19	46	54
20	46	54
21	45	55
22	45	55
23	44	56
24	44	56
25	44	56
26	44	56
27	44	56
28	43	57
29	44	56
30	44	56
31	45	55

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

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	71	18	9	2
2	71	18	9	2
3	72	17	9	2
4	72	17	9	2
5	72	17	9	2
6	73	17	8	2
7	73	17	8	2
8	74	16	8	2
9	76	16	7	1
10	76	16	7	1
11	77	15	7	1
12	77	15	7	1
13	77	15	7	1
14	78	15	6	1
15	79	14	6	1
16	78	14	7	1
17	78	14	7	1
18	79	13	7	1
19	79	13	7	1
20	80	12	7	1
21	80	12	7	1
22	82	11	6	1
23	82	11	6	1
24	83	10	6	1
25	84	9	6	1
26	84	9	6	1
27	86	8	5	1
28	86	8	5	1
29	87	8	4	1
30	87	8	4	1
31	88	7	4	1

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

	Clearer (%)	Cloudier (%)
1	54	46
2	55	45
3	55	45
4	55	45
5	55	45
6	54	46
7	54	46
8	54	46
9	52	48
10	52	48
11	51	49
12	51	49
13	49	51
14	49	51
15	48	52
16	48	52
17	46	54
18	46	54
19	46	54
20	46	54
21	45	55
22	45	55
23	44	56
24	44	56
25	44	56
26	44	56
27	44	56
28	43	57
29	44	56
30	44	56
31	45	55

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

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	71	18	9	2
2	71	18	9	2
3	72	17	9	2
4	72	17	9	2
5	72	17	9	2
6	73	17	8	2
7	73	17	8	2
8	74	16	8	2
9	76	16	7	1
10	76	16	7	1
11	77	15	7	1
12	77	15	7	1
13	77	15	7	1
14	78	15	6	1
15	79	14	6	1
16	78	14	7	1
17	78	14	7	1
18	79	13	7	1
19	79	13	7	1
20	80	12	7	1
21	80	12	7	1
22	82	11	6	1
23	82	11	6	1
24	83	10	6	1
25	84	9	6	1
26	84	9	6	1
27	86	8	5	1
28	86	8	5	1
29	87	8	4	1
30	87	8	4	1
31	88	7	4	1

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

	Clearer (%)	Cloudier (%)
1	54	46
2	55	45
3	55	45
4	55	45
5	55	45
6	54	46
7	54	46
8	54	46
9	52	48
10	52	48
11	51	49
12	51	49
13	49	51
14	49	51
15	48	52
16	48	52
17	46	54
18	46	54
19	46	54
20	46	54
21	45	55
22	45	55
23	44	56
24	44	56
25	44	56
26	44	56
27	44	56
28	43	57
29	44	56
30	44	56
31	45	55

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

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	71	18	9	2
2	71	18	9	2
3	72	17	9	2
4	72	17	9	2
5	72	17	9	2
6	73	17	8	2
7	73	17	8	2
8	74	16	8	2
9	76	16	7	1
10	76	16	7	1
11	77	15	7	1
12	77	15	7	1
13	77	15	7	1
14	78	15	6	1
15	79	14	6	1
16	78	14	7	1
17	78	14	7	1
18	79	13	7	1
19	79	13	7	1
20	80	12	7	1
21	80	12	7	1
22	82	11	6	1
23	82	11	6	1
24	83	10	6	1
25	84	9	6	1
26	84	9	6	1
27	86	8	5	1
28	86	8	5	1
29	87	8	4	1
30	87	8	4	1
31	88	7	4	1