Posto da Mata weather in May

In May, Posto da Mata sees average daytime highs of 28°C and overnight lows near 21°C, with 62 mm of rain across 13.9 wet days and about 11.2 hours of daylight. It is the 8th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 30% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 24 min at the start of May to 11 hours by month's end. Set against the rest of the year, May is Posto da Mata's 5th-clearest and 8th-windiest month. For the whole year in context, see Posto da Mata's year-round climate.

Daytime high
28°
8th warmest
Overnight low
21°
5th coldest
Rainfall
62 mm
13.9 wet days
Daylight
11 h 12 min
6:01 AM – 5:11 PM
Cloud cover
55%
5th clearest
Wind
9 km/h
8th windiest
Solar energy
3.89 kWh/m²
Travel score
5.9
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical May day in Posto da Mata reaches about 28°C in the afternoon and slips back to 21°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 30°C. Set against its neighbours, May runs about 2°C cooler than April and about 1°C warmer than June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12822
22822
32822
42821
52821
62821
72821
82821
92821
102821
112821
122821
132821
142821
152721
162721
172721
182721
192721
202721
212721
222721
232721
242721
252721
262721
272721
282721
292721
302720
312720

How May really feels in Posto da Mata

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.

Posto da Mata weather by month

How May compares with the rest of the year at a glance. May is the 8th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°9613.6134.3
Feb31° / 23°6812.812.64.1
Mar30° / 23°13917.912.14.0
Apr29° / 22°9217.311.64.5
May28° / 21°6213.911.25.9
Jun27° / 20°4511.310.96.5
Jul26° / 19°4511.3116.7
Aug26° / 19°369.311.46.9
Sep27° / 20°418.911.96.6
Oct28° / 21°8512.112.45.6
Nov29° / 22°16216.112.84.7
Dec30° / 23°13515.213.14.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 27% of May, with mostly cloudy or overcast conditions the remaining 42%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26436
36238
46238
56238
66139
76040
85941
95941
105743
115743
125545
135545
145347
155347
165347
175347
185347
195446
205446
215545
225545
235743
245842
255842
265941
276040
286139
296139
306337
316337

Chance of precipitation in May

Any precipitation

Posto da Mata gets around 62 mm of rain over 13.9 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 45% and peaks near 54% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
154
253
352
451
550
649
749
848
947
1047
1146
1246
1345
1445
1544
1644
1744
1844
1944
2043
2143
2243
2342
2442
2541
2641
2740
2840
2939
3039
3138

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 49% of days. Sticky, muggy-or-worse air turns up on roughly 93% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1331651
2333631
3334621
4436591
5437581
6538570
7539560
8639550
9640540
10641530
11741520
12742510
13742510
14743500
15743490
16744490
17744480
18745480
19746470
20746470
21747460
22748450
23749440
24750430
25751420
26752410
27852400
28853390
29953380
30954370
31955360

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in May

DaylightNight

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

Days shrink by about 24 minutes over May. Sunrise moves from 5:56 AM to 6:06 AM, and sunset from 5:17 PM to 5:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.45:565:17
211.35:565:17
311.35:565:16
411.35:575:16
511.35:575:15
611.35:575:15
711.35:585:14
811.35:585:14
911.35:585:13
1011.25:595:13
1111.25:595:12
1211.25:595:12
1311.26:005:12
1411.26:005:11
1511.26:005:11
1611.26:015:11
1711.26:015:10
1811.16:025:10
1911.16:025:10
2011.16:025:09
2111.16:035:09
2211.16:035:09
2311.16:035:09
2411.16:045:08
2511.16:045:08
2611.16:045:08
2711.06:055:08
2811.06:055:08
2911.06:065:08
3011.06:065:07
3111.06:065:07

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.89 kWh/m².

For context, solar energy here swings from a low near 3.58 kWh/m² to a high of 6.31 kWh/m² in January across the year — May's 3.89 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.2Bright
34.2Bright
44.2Bright
54.2Bright
64.1Bright
74.1Bright
84.1Bright
94.0Bright
104.0Bright
114.0Moderate
124.0Moderate
133.9Moderate
143.9Moderate
153.9Moderate
163.9Moderate
173.8Moderate
183.8Moderate
193.8Moderate
203.8Moderate
213.8Moderate
223.7Moderate
233.7Moderate
243.7Moderate
253.7Moderate
263.7Moderate
273.7Moderate
283.7Moderate
293.7Moderate
303.6Moderate
313.6Moderate
Planning a trip in May

Is May a good time to visit Posto da Mata?

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

5.9
Sightseeing
5th-best month of the year
6.2
Beach & pool
6th-best month of the year

May is a reasonable time to visit Posto da Mata for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Posto da Mata in May

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

In May, Posto da Mata sees daytime highs around 28°C and nights near 21°C. Pack light clothes. Worth having: rain gear. About 14 days see rain.

light clothesrain gear

Sea temperature near Posto da Mata in May

The nearest coast averages about 26°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 36 km away) is warmest in March at about 28°C and coldest in August near 24°C.

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

22°24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar28Warm
Apr28Warm
May26Warm
Jun25Warm
Jul24Warm
Aug24Warm
Sep25Warm
Oct26Warm
Nov26Warm
Dec27Warm

UV index in Posto da Mata in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Posto da Mata peaks around February 14 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 14UV 14Jun 22UV 7
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar13Extreme
Apr11Extreme
May8Very high
Jun7Very high
Jul7Very high
Aug9Very high
Sep10Extreme
Oct12Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is Posto da Mata?

Posto da Mata sits at 17.9°S, 39.9°W, 78 m above sea level, in Brazil. The nearest listed city is Pedro Canário, 35 km away.

Topography around Posto da Mata

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

Within 3 km, the terrain around Posto da Mata has only modest variations in elevation — a maximum elevation change of 55 m around an average of 86 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 140 m; within 80 km, large variations in elevation — a maximum elevation change of 746 m.

The land around Posto da Mata is covered by trees (47%) and grassland (36%) within 3 km, trees (69%) and grassland (28%) within 16 km, and grassland (48%) and trees (34%) within 80 km.

3 km
55 m
16 km
140 m
80 km
746 m
treesgrasslandcroplandartificial surfaceswatermangroves
May weather nearby: Pedro Canário 35 km · Mucuri 39 km · Teixeira de Freitas 41 km · Nova Viçosa 52 km · Nanuque 53 km · Montanha 60 km · Pinheiros 66 km · Medeiros Neto 69 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 Posto da Mata (-17.8861°, -39.8589°, elevation 78 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).