Rio Grande do Norte weather in May
May is one of the least pleasant months in Rio Grande do Norte: highs of 29°C (83°F) and about 157 mm (6.2 in) of rain on average. Nights average 27°C (80°F) and cloud cover 46% (NASA POWER, 2001–2025 averages). The sea averages 29°C (84°F). It is the 3rd wettest month of the year and the 5th warmest. Compared with April, it is about as warm and about as wet; June brings highs of 28°C (82°F) and 209 mm (8.2 in) of rain.
Figures are long-term averages for Natal, the largest city in Rio Grande do Norte. See below for other places.
Is May a good time to visit Rio Grande do Norte?
least pleasant month Weather score 65/100.
May is one of the least pleasant months for weather in Rio Grande do Norte. For better conditions, consider Aug–Dec.
Does it rain a lot in Rio Grande do Norte in May?
Yes, it is one of the rainy months: about 157 mm (6.2 in) falls in an average May. It is the 3rd wettest month of the year.
How warm is Rio Grande do Norte in May?
Days average 29°C (83°F) and nights 27°C (80°F).
Rio Grande do Norte weather by month
| Month | High | Low | Rain | Cloud | Sea | Weather |
|---|---|---|---|---|---|---|
| January | 29°C (83°F) | 26°C (79°F) | 85 mm | 48% | 30°C (85°F) | fair |
| February | 29°C (84°F) | 27°C (80°F) | 95 mm | 53% | 30°C (85°F) | fair |
| March | 29°C (84°F) | 27°C (80°F) | 142 mm | 54% | 30°C (86°F) | least pleasant |
| April | 29°C (84°F) | 27°C (80°F) | 180 mm | 56% | 30°C (86°F) | least pleasant |
| May | 29°C (83°F) | 27°C (80°F) | 157 mm | 46% | 29°C (84°F) | least pleasant |
| June | 28°C (82°F) | 26°C (78°F) | 209 mm | 47% | 28°C (82°F) | least pleasant |
| July | 27°C (81°F) | 25°C (77°F) | 145 mm | 40% | 27°C (80°F) | fair |
| August | 27°C (80°F) | 25°C (76°F) | 63 mm | 27% | 27°C (80°F) | best |
| September | 27°C (81°F) | 25°C (77°F) | 32 mm | 24% | 27°C (80°F) | best |
| October | 28°C (82°F) | 25°C (78°F) | 19 mm | 27% | 27°C (81°F) | best |
| November | 28°C (83°F) | 26°C (78°F) | 16 mm | 29% | 28°C (82°F) | best |
| December | 29°C (83°F) | 26°C (79°F) | 26 mm | 35% | 28°C (83°F) | best |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine. Page updated . How we rate months
Weather across Rio Grande do Norte in May
Weather can differ a lot within Rio Grande do Norte: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Natal | 29°C (83°F) | 27°C (80°F) | 157 mm | least pleasant |
| Parnamirim | 29°C (83°F) | 27°C (80°F) | 157 mm | least pleasant |
| Mossoró | 32°C (89°F) | 23°C (74°F) | 97 mm | fair |
| São Gonçalo do Amarante | 30°C (86°F) | 22°C (71°F) | 121 mm | least pleasant |
| Macaíba | 30°C (86°F) | 22°C (71°F) | 121 mm | least pleasant |
| Ceará-Mirim | 30°C (85°F) | 23°C (74°F) | 119 mm | least pleasant |
| Extremoz | 28°C (83°F) | 27°C (81°F) | 159 mm | least pleasant |
| Caicó | 32°C (90°F) | 20°C (68°F) | 78 mm | fair |
| Açu | 33°C (91°F) | 22°C (72°F) | 84 mm | fair |
| São José de Mipibu | 29°C (83°F) | 27°C (80°F) | 157 mm | least pleasant |
| Currais Novos | 29°C (85°F) | 20°C (67°F) | 94 mm | least pleasant |
| Santa Cruz | 30°C (86°F) | 20°C (69°F) | 96 mm | fair |