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Curitiba in May: Weather, Average temperature and Climate

Discover the weather for Curitiba in May and if it’s a good time to travel (based on historical data).
Check flight prices to Curitiba on Avionero:
May

Weather in Curitiba in May 2025

OK Weather
Mild
🌧️
Rainy
May could be a good time to visit Curitiba, as the weather is generally fine. The average high temperature is around +20°C, and there are typically 3 sunny days in May. However, expect about 15 rainy days, and total monthly rainfall of approximately 97 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+20°C
Avg. max. temperature
0°C
Min.
+29°C
Max.
97 mm
Total precipitation
86%
Avg. humidity
2 m/s
Avg. wind
3 ☀️
Sunny Days
12 ⛅️
Cloudy
15 🌦
Rainy
Our opinion: Curitiba has OK weather in May.

Average temperature in Curitiba in May

Here are the expected maximum, average and minimum temperatures in Curitiba for May based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in May is +22°C with a maximum of +26°C and a minimum of +7°C.

The average maximum temperature goes down 32% by the end of the month, compared with the beginning of the month, from +24°C to +18°C.

Is Curitiba warm or cold in May?

Curitiba is typically mild in May.

Maximum temperatures go down compared to the previous month from +23°C to +20°C. The minimum temperature also goes down from +15°C to +12°C.

Pack a light jacket as it will be warm in the day and cool in the evenings.

May is one of the coolest months in Curitiba, here is the comparison with other months:

Climate in Curitiba in May

Curitiba weather looks like this, on average, in May and the surrounding months.
AprilMayJune
Avg. temperature
+23°C+20°C+19°C
Min. temperature
+2°C0°C-2°C
Max. temperature
+31°C+29°C+27°C
Rainfall
79 mm97 mm96 mm
Wind
2 m/s2 m/s2 m/s
Humidity
87%86%86%
Air pressure
1016 HPa1017 HPa1019 HPa
Sunny days
135
Cloudy days
101213
Rainy days
181511
Snowy days
000

May weather is still as ok as in April. It’s getting colder in May. From +23°C in the day, the average maximum temperature lowers to +20°C. Prepare for more rain. Average rainfall goes from 79 mm to 97 mm. It feels drier, as humidity decreases from 87% to 86%. The average wind speed doesn’t change much during May, staying around 2 m/s. The good news is there are likely to be more sunny days in May, from 1 to 3.

June brings much the same weather, it remains ok.

Wind

Wind speed in Curitiba in May based on historical data.
Last Year
Historical Data

The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Curitiba is gradually decreasing during May, going from 2 m/s to 1 m/s over the course of the month.

Rain

Amount of rainfall in mm during May in Curitiba based on historical data.
Last Year
Historical Data
Total precipitation in May is about 69 mm, with a 32% chance of rain on a typical day. The maximum amount of rainfall per day is around 21 mm, which is considered light rain. May is a pretty wet month with over 10 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how May is compared with other months in the amount of precipitation, total mm:
Curitiba wettest month is January, where a typical day has a 77% chance of precipitation and 208 mm of rainfall per day. April, on the other hand, is the driest month with a mere 60% chance of precipitation and 79 mm of rainfall per day.

How was the weather last May in Curitiba?

This is the weather in Curitiba in May 2023:
1 May
☁️
+24°C
2 May
🌫️
+24°C
3 May
🌫️
+24°C
4 May
☁️
+26°C
5 May
☁️
+26°C
6 May
☁️
+26°C
7 May
☁️
+26°C
8 May
☁️
+25°C
9 May
☁️
+22°C
10 May
☁️
+23°C
11 May
☀️
+20°C
12 May
☁️
+18°C
13 May
☁️
+18°C
14 May
☀️
+21°C
15 May
☀️
+22°C
16 May
☀️
+22°C
17 May
☀️
+20°C
18 May
☀️
+22°C
19 May
☀️
+24°C
20 May
🌫️
+24°C
21 May
☀️
+22°C
22 May
☀️
+22°C
23 May
☀️
+24°C
24 May
☀️
+23°C
25 May
☁️
+24°C
26 May
☁️
+23°C
27 May
☀️
+24°C
28 May
🌧️
+17°C
29 May
☁️
+17°C
30 May
☁️
+15°C
31 May
🌧️
+18°C
In May 2023 Curitiba had 12 sunny days, 14 cloudy days, and 2 rainy days. The average maximum temperature was +22°C, with an absolute maximum of +26°C and a minimum of +15°C. The average humidity was 85%, with a maximum of 100% and a minimum of 39%. The average wind speed was 2 m/s, with a maximum of 7 m/s and a minimum of 0 m/s.
Are you planning a trip in May?

Climate Change over Years

This is how Curitiba climate have been changing during last 43 years period.

The climate in Curitiba in May has not changed much over the last 43 years.

The average temperature was the lowest in 1989 (+22°C) and the highest in 2012 (+24°C). The driest year was 1985 with only 1054 mm of rainfall, and the wettest year was 2023 with 2549 mm.

FAQ

Frequently asked questions about the weather in Curitiba in May:

Is May a good time to visit Curitiba?

It’s always a good time to visit Curitiba, but the weather is changeable in May, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Curitiba in May?

May has mild temperatures in Curitiba. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Curitiba rainy in May?

Curitiba is often rainy in May. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Curitiba in May?

Usually, it’s not very sunny in Curitiba in May, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Brazil

Check out the weather for other cities in Brazil.

Monthly weather in Curitiba

Source of the data

For this page, we’ve looked at the typical weather in Curitiba, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.