Desterro, Brazil — Weather in May 2027

Monthly climate averages for Desterro, Brazil. Based on 10-year ERA5 reanalysis data.

BSh Hot Semi-Arid
8.5 /10
Excellent

May is an excellent month in Desterro

Climate Overview

Desterro, Brazil in May has hot conditions, with highs reaching 29.9°C (86°F) and afternoons the warmest part of the day.

This month falls at the end of Autumn.

Temperatures remain fairly steady throughout May, with daily highs around 30°C (86°F).

Rainfall is heaviest during the last third of the month, while the first third tends to be drier.

Expect around 10.5h of sunshine at the start of May, decreasing to 9.4h by the end.

The warmest days tend to fall around the 1th, averaging 30.6°C (87°F).

Compared to April, this month is about 1°C cooler with 3 fewer rainy days.

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Monthly May Averages

Temperature
30°C / 21°C
Feels Like
31°C / 22°C
Rain
6 days · 35 mm
Sunshine
10h / day
Humidity
70% — Muggy
Wind
19 km/h
Wind Direction
SE (128°)
Gusts
41 km/h
Daylight
11.8 h
Cloud Cover
60%
Clear Sky Days
1.9
UV Index
7.6 — Very High
Dew Point
19°C — Humid
Moon Phase
Waxing Gibbous · 66%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

36°C 33°C 30°C 27°C 24°C 21°C 18°C 151015202531
HighLow

Daily Precipitation

0 mm 2 mm 4 mm 6 mm 151015202531
Rainfall

Daily Sunshine

0h 3h 6h 9h 12h 151015202531
Sunshine

Daily Wind Speed

0 6 12 18 24 30 151015202531
Wind Speed
Sun Position
Sunrise 05:33
Daylight 11.8h
Sunset 17:20

What to Expect

Daytime temperatures around 30°C (86°F) are ideal for full-day outdoor exploration.

Rain usually comes in shorter passing showers rather than all-day rain.

Recent yearly records for May have stayed close to the long-run average.

Compare Months

January
Good
Temp
32°C / 22°C
Feels Like
33°C / 23°C
Rain
7days (54 mm) Good
Sun
10.7h Excellent
Humidity
63% Muggy
UV
8.9 Very High
View Details
February
Good
Temp
32°C / 21°C
Feels Like
34°C / 23°C
Rain
8days (66 mm) Wet
Sun
10.8h Excellent
Humidity
66% Muggy
UV
9 Very High
View Details
March
Fair
Temp
31°C / 22°C
Feels Like
33°C / 24°C
Rain
13days (96 mm) Wet
Sun
10.5h Excellent
Humidity
70% Muggy
UV
9.1 Very High
View Details
April
Good
Temp
31°C / 21°C
Feels Like
33°C / 24°C
Rain
9days (53 mm) Wet
Sun
10.5h Excellent
Humidity
71% Muggy
UV
8.6 Very High
View Details
May
Excellent
Temp
30°C / 21°C
Feels Like
31°C / 22°C
Rain
6days (35 mm) Good
Sun
10h Excellent
Humidity
70% Muggy
UV
7.6 Very High
View Details
June best
Excellent
Temp
29°C / 20°C
Feels Like
28°C / 21°C
Rain
4days (19 mm) Good
Sun
9.8h Good
Humidity
70% Muggy
UV
7.1 Very High
View Details
July best
Excellent
Temp
29°C / 19°C
Feels Like
28°C / 19°C
Rain
2days (9 mm) Excellent
Sun
9.7h Good
Humidity
67% Muggy
UV
7.4 Very High
View Details
August best
Excellent
Temp
30°C / 19°C
Feels Like
29°C / 18°C
Rain
1days (3 mm) Excellent
Sun
10.4h Excellent
Humidity
62% Muggy
UV
8.2 Very High
View Details
September best
Excellent
Temp
32°C / 19°C
Feels Like
31°C / 19°C
Rain
0days (1 mm) Excellent
Sun
10.9h Excellent
Humidity
59% Moderate
UV
9 Very High
View Details
October
Good
Temp
33°C / 20°C
Feels Like
33°C / 20°C
Rain
0days (1 mm) Excellent
Sun
11.4h Excellent
Humidity
57% Moderate
UV
9.4 Very High
View Details
November
Good
Temp
33°C / 21°C
Feels Like
34°C / 22°C
Rain
1days (7 mm) Excellent
Sun
11.4h Excellent
Humidity
56% Moderate
UV
9.3 Very High
View Details
December
Good
Temp
33°C / 21°C
Feels Like
34°C / 22°C
Rain
2days (12 mm) Excellent
Sun
11h Excellent
Humidity
58% Moderate
UV
9 Very High
View Details
Month Temp Feels Like Rain Sun Humidity UV Status
January 32°C / 22°C 33°C / 23°C 7days (54 mm) Good 10.7h Excellent 63% Muggy 8.9 Very High Good View Details
February 32°C / 21°C 34°C / 23°C 8days (66 mm) Wet 10.8h Excellent 66% Muggy 9 Very High Good View Details
March 31°C / 22°C 33°C / 24°C 13days (96 mm) Wet 10.5h Excellent 70% Muggy 9.1 Very High Fair View Details
April 31°C / 21°C 33°C / 24°C 9days (53 mm) Wet 10.5h Excellent 71% Muggy 8.6 Very High Good View Details
May 30°C / 21°C 31°C / 22°C 6days (35 mm) Good 10h Excellent 70% Muggy 7.6 Very High Excellent View Details
June best 29°C / 20°C 28°C / 21°C 4days (19 mm) Good 9.8h Good 70% Muggy 7.1 Very High Excellent View Details
July best 29°C / 19°C 28°C / 19°C 2days (9 mm) Excellent 9.7h Good 67% Muggy 7.4 Very High Excellent View Details
August best 30°C / 19°C 29°C / 18°C 1days (3 mm) Excellent 10.4h Excellent 62% Muggy 8.2 Very High Excellent View Details
September best 32°C / 19°C 31°C / 19°C 0days (1 mm) Excellent 10.9h Excellent 59% Moderate 9 Very High Excellent View Details
October 33°C / 20°C 33°C / 20°C 0days (1 mm) Excellent 11.4h Excellent 57% Moderate 9.4 Very High Good View Details
November 33°C / 21°C 34°C / 22°C 1days (7 mm) Excellent 11.4h Excellent 56% Moderate 9.3 Very High Good View Details
December 33°C / 21°C 34°C / 22°C 2days (12 mm) Excellent 11h Excellent 58% Moderate 9 Very High Good View Details

What to Wear

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

UmbrellaBreathable clothingSunscreen (SPF 30+)Sun hatSunglassesComfortable walking shoes

Frequently Asked Questions

May is typically excellent for visiting Desterro, with average highs of 30°C (86°F) and around 6 rainy days. Desterro, Brazil in May has hot conditions, with highs reaching 29.9°C (86°F) and afternoons the warmest part of the day
Desterro typically sees around 6 rainy days in May with 35 mm (1.4 in) of total rainfall. An umbrella should suffice.
Nights stay pleasantly warm in Desterro during May, around 21°C (69°F). Light evening wear is sufficient.
With highs of 30°C (86°F) and lows of 21°C (69°F) in May, we recommend: Umbrella, Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses. Comfortable walking shoes are essential.
May is not the most favourable month weather-wise in Desterro. Consider visiting during months with milder temperatures or less rainfall for a better experience.
The average UV index in Desterro during May is 8 (very high). Strong sun protection is essential — SPF 50+, protective clothing, and avoid prolonged outdoor exposure during peak hours.
Desterro gets approximately 12 hours of daylight per day in May, with around 10 hours of sunshine.
Snow is uncommon in Desterro during May based on 10-year climate averages.

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