Fontana weather in May

In May, Fontana sees average daytime highs of 23°C and overnight lows near 14°C, with 102 mm of rain across 8.1 wet days and about 10.7 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 21°C by the end. The sky is clear or mostly clear about 37% of the time in May, and the air most often feels dry.

Daylight stretches from about 11 hours at the start of May to 10 h 24 min by month's end. Set against the rest of the year, May is Fontana's 11th-clearest and 8th-windiest month. For the whole year in context, see Fontana's year-round climate.

Daytime high
23°
10th warmest
Overnight low
14°
5th coldest
Rainfall
102 mm
8.1 wet days
Daylight
10 h 36 min
7:33 AM – 6:12 PM
Cloud cover
54%
11th clearest
Wind
12 km/h
8th windiest
Solar energy
3.07 kWh/m²
Travel score
7.2
out of 10

Fontana is municipality in Argentina.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 24°C in the first days to 21°C by the end.

A typical May day in Fontana reaches about 23°C in the afternoon and slips back to 14°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 29°C. Set against its neighbours, May runs about 4°C cooler than April and about 2°C warmer than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12516
22516
32416
42416
52415
62415
72415
82415
92415
102415
112315
122315
132315
142315
152314
162314
172314
182214
192214
202214
212214
222214
232214
242213
252213
262213
272113
282113
292113
302113
312113

How May really feels in Fontana

Once humidity and wind are folded in, May 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

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

Fontana weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 22°13810.713.54.0
Feb31° / 22°13010.5134.4
Mar30° / 20°13110.512.25.3
Apr26° / 18°1669.711.46.8
May23° / 14°1028.110.77.2
Jun21° / 12°677.510.36.9
Jul21° / 11°606.910.47.1
Aug23° / 12°656.2117.8
Sep25° / 14°1068.511.87.4
Oct27° / 17°18010.712.76.5
Nov29° / 19°1649.513.45.7
Dec31° / 21°1471013.74.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 48%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25644
35644
45644
55644
65644
75545
85545
95446
105347
115347
125248
135248
145149
155149
165050
175050
185050
195050
205050
215050
224951
234951
244951
254951
264951
275050
285050
295149
305149
315149

Chance of precipitation in May

Any precipitation

Fontana gets around 102 mm of rain over 8.1 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 26% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
127
227
327
427
527
627
727
827
927
1027
1127
1227
1327
1427
1527
1627
1727
1827
1927
2026
2126
2226
2326
2426
2525
2625
2725
2825
2925
3025
3125

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 38% of days. Sticky, muggy-or-worse air turns up on roughly 22% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
12420222112
22521212112
32621212111
42721202111
52821202110
6282220209
7292220209
8302220208
9302220207
10312220197
11322221196
12332221195
13332221185
14342221185
15352221184
16372121174
17382121174
18392121163
19402021153
20422020153
21432020143
22441920143
23451919133
24461919133
25471819123
26481818123
27491818113
28511817113
29511817113
30511817113
31511817113

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 hours at the start of May to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over May. Sunrise moves from 7:24 AM to 7:41 AM, and sunset from 6:23 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:246:23
210.97:256:22
310.97:256:21
410.97:266:20
510.97:266:19
610.97:276:18
710.87:286:18
810.87:286:17
910.87:296:16
1010.87:296:16
1110.77:306:15
1210.77:316:14
1310.77:316:14
1410.77:326:13
1510.77:326:12
1610.67:336:12
1710.67:336:11
1810.67:346:11
1910.67:356:10
2010.67:356:10
2110.67:366:09
2210.57:366:09
2310.57:376:08
2410.57:376:08
2510.57:386:08
2610.57:396:07
2710.57:396:07
2810.57:406:07
2910.47:406:06
3010.47:416:06
3110.47:416:06

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.07 kWh/m².

For context, solar energy here swings from a low near 2.61 kWh/m² to a high of 6.85 kWh/m² in December across the year — May's 3.07 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.5Moderate
43.5Moderate
53.4Moderate
63.4Moderate
73.4Moderate
83.3Moderate
93.3Moderate
103.3Moderate
113.2Moderate
123.2Moderate
133.1Moderate
143.1Moderate
153.1Moderate
163.0Moderate
173.0Moderate
183.0Moderate
192.9Moderate
202.9Moderate
212.9Moderate
222.9Moderate
232.9Moderate
242.9Moderate
252.8Moderate
262.8Moderate
272.8Moderate
282.8Moderate
292.8Moderate
302.8Moderate
312.8Moderate
Planning a trip in May

Is May a good time to visit Fontana?

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

7.2
Sightseeing
3rd-best month of the year
5.4
Beach & pool
10th-best month of the year

May is one of the better times to visit Fontana for general sightseeing.

What to pack for Fontana in May

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

In May, Fontana sees daytime highs around 23°C and nights near 14°C. Worth packing: light clothes and rain gear. About 8 days see rain.

light clothesrain gear

UV index in Fontana in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Fontana peaks around January 22 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighExtremeJan 22UV 14Jun 21UV 4
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar12Extreme
Apr8Very high
May5High
Jun4Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct5High
Nov12Extreme
Dec13Extreme

Air quality in Fontana in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Fontana is worst in September — around 18 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (May, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 918 µg/m³May 127 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar9Good
Apr7Good
May7Good
Jun8Good
Jul12Good
Aug17Moderate
Sep18Moderate
Oct11Good
Nov9Good
Dec8Good
Location & terrain

Where is Fontana?

Fontana sits at 27.4°S, 59.0°W, 49 m above sea level, in Argentina. The nearest listed city is Resistencia, 7.0 km away.

Topography around Fontana

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

Within 3 km, the terrain around Fontana has only modest variations in elevation — a maximum elevation change of 18 m around an average of 52 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 30 m; within 80 km, only modest variations in elevation — a maximum elevation change of 49 m.

The land around Fontana is covered by trees (42%) and artificial surfaces (30%) within 3 km, trees (45%) and grassland (31%) within 16 km, and trees (44%) and grassland (40%) within 80 km.

3 km
18 m
16 km
30 m
80 km
49 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Resistencia 7.0 km · Barranqueras 12 km · Corrientes 21 km · San Luis del Palmar 48 km · San Lorenzo 84 km · Pilar 96 km · Saladas 101 km · General José de San Martín 103 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 Fontana (-27.4204°, -59.0373°, elevation 49 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).