Una weather in May

In May, Una sees average daytime highs of 27°C and overnight lows near 22°C, with 116 mm of rain across 19.2 wet days and about 11.3 hours of daylight. It is the 7th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 31% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 30 min at the start of May to 11 h 12 min by month's end. Set against the rest of the year, May is Una's 5th-clearest and 5th-windiest month. For the whole year in context, see Una's year-round climate.

Daytime high
27°
7th warmest
Overnight low
22°
6th coldest
Rainfall
116 mm
19.2 wet days
Daylight
11 h 18 min
5:54 AM – 5:11 PM
Cloud cover
54%
5th clearest
Wind
12 km/h
5th windiest
Solar energy
4.16 kWh/m²
Travel score
5.3
out of 10

Una is human settlement in Brazil.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical May day in Una reaches about 27°C in the afternoon and slips back to 22°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 28°C. Set against its neighbours, May runs about 1°C cooler than April and about 1°C warmer than June.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12723
22723
32723
42723
52723
62722
72722
82722
92722
102722
112722
122722
132722
142722
152722
162722
172722
182722
192722
202722
212722
222722
232722
242722
252722
262622
272622
282622
292622
302622
312622

How May really feels in Una

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.

Una weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°10219.312.84.6
Feb29° / 24°8818.712.54.4
Mar29° / 24°12622.212.14.2
Apr28° / 23°13421.711.74.5
May27° / 22°11619.211.35.3
Jun26° / 21°9918.611.15.5
Jul25° / 20°972011.25.5
Aug25° / 20°7217.911.55.8
Sep26° / 21°6715.411.96.0
Oct27° / 22°10416.812.35.6
Nov27° / 23°16118.812.75.0
Dec28° / 23°12317.712.95.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 30% of May, with mostly cloudy or overcast conditions the remaining 39%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26535
36535
46436
56436
66436
76337
86337
96337
106139
116139
126040
136040
145941
155941
165743
175743
185743
195842
205743
215743
225842
235842
245941
256040
266040
276139
286139
296337
306337
316436

Chance of precipitation in May

Any precipitation

Una gets around 116 mm of rain over 19.2 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 63% and peaks near 70% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
170
270
369
468
568
667
766
866
965
1064
1164
1263
1362
1462
1561
1661
1761
1860
1960
2060
2159
2259
2359
2459
2559
2659
2759
2859
2960
3060
3160

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 67% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1018802
2019801
3021781
4122761
5123751
6124741
7125731
8126721
9127711
10128701
11128701
12129691
13130681
14130681
15131671
16132661
17133651
18133651
19134641
20134641
21135631
22136621
23136630
24237610
25238600
26238600
27239590
28239590
29340570
30340570
31441550

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
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
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 h 30 min at the start of May to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over May. Sunrise moves from 5:50 AM to 5:59 AM, and sunset from 5:17 PM to 5:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.55:505:17
211.45:505:17
311.45:505:16
411.45:505:16
511.45:515:15
611.45:515:15
711.45:515:14
811.45:515:14
911.45:525:14
1011.45:525:13
1111.35:525:13
1211.35:535:13
1311.35:535:12
1411.35:535:12
1511.35:545:12
1611.35:545:11
1711.35:545:11
1811.35:545:11
1911.35:555:10
2011.35:555:10
2111.25:555:10
2211.25:565:10
2311.25:565:10
2411.25:565:09
2511.25:575:09
2611.25:575:09
2711.25:575:09
2811.25:585:09
2911.25:585:09
3011.25:585:09
3111.25:595:09

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.16 kWh/m².

For context, solar energy here swings from a low near 3.79 kWh/m² to a high of 6.33 kWh/m² in January across the year — May's 4.16 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.2Bright
134.2Bright
144.2Bright
154.2Bright
164.2Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.0Bright
224.0Bright
234.0Bright
244.0Bright
254.0Moderate
264.0Moderate
274.0Moderate
284.0Moderate
293.9Moderate
303.9Moderate
313.9Moderate
Planning a trip in May

Is May a good time to visit Una?

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

5.3
Sightseeing
6th-best month of the year
5.3
Beach & pool
6th-best month of the year

May is a reasonable time to visit Una for sightseeing.

What to pack for Una in May

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

In May, Una sees daytime highs around 27°C and nights near 22°C. Pack rain gear. Worth having: light clothes. About 19 days see rain.

rain gearlight clothes

Sea temperature near Una in May

The nearest coast averages about 27°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 23 km away) is warmest in March at about 28°C and coldest in August near 25°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb28Warm
Mar28Tropical
Apr28Tropical
May27Warm
Jun26Warm
Jul26Warm
Aug25Warm
Sep25Warm
Oct26Warm
Nov26Warm
Dec27Warm

UV index in Una in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Una peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 18UV 15Jun 22UV 8
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep11Extreme
Oct12Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is Una?

Una sits at 15.3°S, 39.1°W, 16 m above sea level, in Brazil. The nearest listed city is Canavieiras, 45 km away.

Topography around Una

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

Within 3 km, the terrain around Una has only modest variations in elevation — a maximum elevation change of 102 m around an average of 43 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 299 m; within 80 km, large variations in elevation — a maximum elevation change of 1,130 m.

The land around Una is covered by trees (91%) within 3 km, trees (72%) within 16 km, and trees (47%), water (30%) and grassland (21%) within 80 km.

3 km
102 m
16 km
299 m
80 km
1,130 m
treesgrasslandartificial surfaceswaterwetlandmangroves
May weather nearby: Canavieiras 45 km · Camacan 47 km · Ilhéus 55 km · Itabuna 61 km · Belmonte 67 km · Ibicaraí 73 km · Itajuípe 76 km · Uruçuca 81 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

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 Una (-15.2933°, -39.0753°, elevation 16 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).