Niterói
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Niterói Weather in May

Niterói in May averages 27°C (81°F) during the day and 20°C (68°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Niterói in May

On average, there are about 12 days with rain during this month, averaging 80 mm (3.1 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Niterói in May

May is a good time to be in Niterói. Days are excellent, reaching 27°C (81°F), with nights around 20°C (68°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights cool down to 20°C (68°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Niterói in May

The city usually sees around 188 hours of sunlight, indicating a moderately sunny period.

Wind Speed in Niterói in May

Wind speeds average 2 m/s (4 knots) during May. At this speed, expect light breezes that you can feel on your face and cause leaves to rustle gently. Since this is an average, some days are calmer with barely any wind while others have more noticeable gentle breezes.

Average water temperature in May

The water is 24°C (75°F) this month, warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

Niterói Temperature in May

Min Temperature
20°C (68°F)
Max Temperature
27°C (81°F)
Water Temperature
24°C (75°F) *
Chance of Rain
40%
Precipitation
80 mm (3.1 in)
Rainy days
12 days
Humidity
80% *
Windspeed
2 m/s (4 knots) *
Sunshine
188 hours *
Percentage Sunshine
*
* Data from: Rio de Janeiro, Brazil (8 KM, 5 Miles).

Niterói Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Niterói - and find the best time to visit.

Best Places in Brazil in May

Find out more about the weather in Brazil and which places have the best travel conditions in this month. See all of Brazil in May →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Niterói in May

Warm weather calls for comfortable, breathable clothing in May. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket. With water temperatures around 24°C (75°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Niterói in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    7/10
  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    8/10
  • Outdoor sports
    7/10

Niterói 3-Day Forecast

More climate data for Niterói

Popular in May

Where to go in May - average daytime high across popular destinations.

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