Parnaíba weather in May
In May, Parnaíba sees average daytime highs of 31°C and overnight lows near 25°C, with 148 mm of rain across 18 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 4th-wettest month of the year here.
Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 24% of the time in May, and the air most often feels miserable.
Daylight stretches from about 11 h 54 min at the start of May to 11 h 48 min by month's end. Set against the rest of the year, May is Parnaíba's 8th-clearest and 11th-windiest month. For the whole year in context, see Parnaíba's year-round climate.
- Daytime high
- 31°
- 9th warmest
- Overnight low
- 25°
- 8th coldest
- Rainfall
- 148 mm
- 18 wet days
- Daylight
- 11 h 54 min
- 5:47 AM – 5:39 PM
- Cloud cover
- 63%
- 8th clearest
- Wind
- 12 km/h
- 11th windiest
- Solar energy
- 5.18 kWh/m²
- Travel score
- 3.6
- out of 10
Temperature in May
Day-to-day highs hold fairly steady near 31°C through the month.
A typical May day in Parnaíba reaches about 31°C in the afternoon and slips back to 25°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, May runs about 1°C warmer than April and about 1°C cooler than June.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 32 | 32 |
| Avg low (°C) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 31 | 25 |
| 2 | 31 | 25 |
| 3 | 31 | 25 |
| 4 | 31 | 25 |
| 5 | 31 | 25 |
| 6 | 31 | 25 |
| 7 | 31 | 25 |
| 8 | 31 | 25 |
| 9 | 31 | 25 |
| 10 | 31 | 25 |
| 11 | 31 | 25 |
| 12 | 31 | 25 |
| 13 | 31 | 25 |
| 14 | 31 | 25 |
| 15 | 31 | 25 |
| 16 | 31 | 25 |
| 17 | 31 | 25 |
| 18 | 31 | 25 |
| 19 | 31 | 25 |
| 20 | 31 | 25 |
| 21 | 31 | 25 |
| 22 | 31 | 25 |
| 23 | 31 | 25 |
| 24 | 31 | 25 |
| 25 | 31 | 25 |
| 26 | 31 | 25 |
| 27 | 31 | 25 |
| 28 | 31 | 25 |
| 29 | 31 | 25 |
| 30 | 32 | 25 |
| 31 | 32 | 25 |
How May really feels in Parnaíba
Once humidity and wind are folded in, May averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Parnaíba weather by month
How May compares with the rest of the year at a glance. May is the 9th-warmest and 4th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 32° / 25° | 129 | 20 | 12.1 | 3.1 |
| Feb | 31° / 25° | 170 | 23 | 12.1 | 2.9 |
| Mar | 30° / 25° | 265 | 27.7 | 12 | 2.8 |
| Apr | 30° / 25° | 268 | 25.9 | 11.9 | 2.9 |
| May | 31° / 25° | 148 | 18 | 11.9 | 3.6 |
| Jun | 32° / 25° | 31 | 7.1 | 11.8 | 4.4 |
| Jul | 33° / 24° | 16 | 2.7 | 11.8 | 4.3 |
| Aug | 34° / 24° | 3 | 0.5 | 11.9 | 3.8 |
| Sep | 35° / 25° | 1 | 0.2 | 12 | 3.5 |
| Oct | 35° / 25° | 6 | 0.7 | 12.1 | 3.4 |
| Nov | 34° / 25° | 7 | 1.7 | 12.1 | 3.5 |
| Dec | 33° / 25° | 35 | 7.2 | 12.2 | 3.5 |
Cloud cover in May
The sky is clear or mostly clear about 24% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 21% of May, with mostly cloudy or overcast conditions the remaining 55%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 26 | 27 | 29 | 31 | 31 | 33 | 36 | 36 | 38 | 39 | 41 | 42 | 43 | 44 | 45 | 47 | 48 | 50 | 50 | 51 | 52 | 53 | 54 | 55 | 55 | 56 | 57 | 59 | 60 | 61 | 62 |
| Cloudier (%) | 74 | 73 | 71 | 69 | 69 | 67 | 64 | 64 | 62 | 61 | 59 | 58 | 57 | 56 | 55 | 53 | 52 | 50 | 50 | 49 | 48 | 47 | 46 | 45 | 45 | 44 | 43 | 41 | 40 | 39 | 38 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 26 | 74 |
| 2 | 27 | 73 |
| 3 | 29 | 71 |
| 4 | 31 | 69 |
| 5 | 31 | 69 |
| 6 | 33 | 67 |
| 7 | 36 | 64 |
| 8 | 36 | 64 |
| 9 | 38 | 62 |
| 10 | 39 | 61 |
| 11 | 41 | 59 |
| 12 | 42 | 58 |
| 13 | 43 | 57 |
| 14 | 44 | 56 |
| 15 | 45 | 55 |
| 16 | 47 | 53 |
| 17 | 48 | 52 |
| 18 | 50 | 50 |
| 19 | 50 | 50 |
| 20 | 51 | 49 |
| 21 | 52 | 48 |
| 22 | 53 | 47 |
| 23 | 54 | 46 |
| 24 | 55 | 45 |
| 25 | 55 | 45 |
| 26 | 56 | 44 |
| 27 | 57 | 43 |
| 28 | 59 | 41 |
| 29 | 60 | 40 |
| 30 | 61 | 39 |
| 31 | 62 | 38 |
Chance of precipitation in May
Parnaíba gets around 148 mm of rain over 18 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 58% and peaks near 76% on the wettest days. The odds ease toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 76 | 75 | 74 | 73 | 72 | 70 | 69 | 67 | 65 | 64 | 62 | 61 | 59 | 58 | 57 | 56 | 55 | 54 | 53 | 52 | 52 | 51 | 50 | 49 | 48 | 47 | 46 | 45 | 44 | 42 | 40 |
| Rain chance (%) | |
|---|---|
| 1 | 76 |
| 2 | 75 |
| 3 | 74 |
| 4 | 73 |
| 5 | 72 |
| 6 | 70 |
| 7 | 69 |
| 8 | 67 |
| 9 | 65 |
| 10 | 64 |
| 11 | 62 |
| 12 | 61 |
| 13 | 59 |
| 14 | 58 |
| 15 | 57 |
| 16 | 56 |
| 17 | 55 |
| 18 | 54 |
| 19 | 53 |
| 20 | 52 |
| 21 | 52 |
| 22 | 51 |
| 23 | 50 |
| 24 | 49 |
| 25 | 48 |
| 26 | 47 |
| 27 | 46 |
| 28 | 45 |
| 29 | 44 |
| 30 | 42 |
| 31 | 40 |
Humidity in May
Most of May feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the miserable band about 50% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 |
| Oppressive (%) | 34 | 34 | 34 | 35 | 35 | 35 | 36 | 36 | 37 | 38 | 39 | 40 | 41 | 43 | 44 | 46 | 48 | 50 | 52 | 54 | 56 | 59 | 61 | 63 | 65 | 66 | 68 | 70 | 72 | 75 | 77 |
| Miserable (%) | 66 | 66 | 66 | 65 | 65 | 65 | 64 | 64 | 63 | 62 | 61 | 60 | 59 | 57 | 56 | 54 | 52 | 50 | 48 | 46 | 44 | 41 | 39 | 37 | 35 | 33 | 31 | 29 | 27 | 24 | 22 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 0 | 34 | 66 |
| 2 | 0 | 34 | 66 |
| 3 | 0 | 34 | 66 |
| 4 | 0 | 35 | 65 |
| 5 | 0 | 35 | 65 |
| 6 | 0 | 35 | 65 |
| 7 | 0 | 36 | 64 |
| 8 | 0 | 36 | 64 |
| 9 | 0 | 37 | 63 |
| 10 | 0 | 38 | 62 |
| 11 | 0 | 39 | 61 |
| 12 | 0 | 40 | 60 |
| 13 | 0 | 41 | 59 |
| 14 | 0 | 43 | 57 |
| 15 | 0 | 44 | 56 |
| 16 | 0 | 46 | 54 |
| 17 | 0 | 48 | 52 |
| 18 | 0 | 50 | 50 |
| 19 | 0 | 52 | 48 |
| 20 | 0 | 54 | 46 |
| 21 | 0 | 56 | 44 |
| 22 | 0 | 59 | 41 |
| 23 | 0 | 61 | 39 |
| 24 | 0 | 63 | 37 |
| 25 | 0 | 65 | 35 |
| 26 | 1 | 66 | 33 |
| 27 | 1 | 68 | 31 |
| 28 | 1 | 70 | 29 |
| 29 | 1 | 72 | 27 |
| 30 | 1 | 75 | 24 |
| 31 | 1 | 77 | 22 |
Wind in May
Winds average 12 km/h in May.
Across May, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 11 | calm |
| 2 | 11 | calm |
| 3 | 11 | calm |
| 4 | 11 | calm |
| 5 | 11 | calm |
| 6 | 11 | calm |
| 7 | 11 | calm |
| 8 | 11 | calm |
| 9 | 11 | calm |
| 10 | 11 | calm |
| 11 | 11 | calm |
| 12 | 11 | calm |
| 13 | 11 | calm |
| 14 | 11 | calm |
| 15 | 12 | calm |
| 16 | 12 | calm |
| 17 | 12 | calm |
| 18 | 12 | calm |
| 19 | 12 | calm |
| 20 | 12 | calm |
| 21 | 12 | calm |
| 22 | 12 | calm |
| 23 | 12 | light breeze |
| 24 | 12 | light breeze |
| 25 | 12 | light breeze |
| 26 | 12 | light breeze |
| 27 | 12 | light breeze |
| 28 | 12 | light breeze |
| 29 | 12 | light breeze |
| 30 | 12 | light breeze |
| 31 | 12 | light breeze |
Sunrise & sunset in May
Daylight runs from about 11 h 54 min at the start of May to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 6 minutes over May. Sunrise moves from 5:47 AM to 5:49 AM, and sunset from 5:41 PM to 5:40 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.8 | 11.8 | 11.8 | 11.8 |
| Sunrise (AM) | 5:47 | 5:47 | 5:47 | 5:47 | 5:47 | 5:47 | 5:47 | 5:47 | 5:47 | 5:47 | 5:47 | 5:47 | 5:47 | 5:47 | 5:47 | 5:47 | 5:47 | 5:47 | 5:48 | 5:48 | 5:48 | 5:48 | 5:48 | 5:48 | 5:48 | 5:48 | 5:48 | 5:49 | 5:49 | 5:49 | 5:49 |
| Sunset (PM) | 5:41 | 5:41 | 5:41 | 5:41 | 5:41 | 5:40 | 5:40 | 5:40 | 5:40 | 5:40 | 5:40 | 5:40 | 5:40 | 5:40 | 5:39 | 5:39 | 5:39 | 5:39 | 5:39 | 5:39 | 5:39 | 5:39 | 5:39 | 5:39 | 5:39 | 5:39 | 5:40 | 5:40 | 5:40 | 5:40 | 5:40 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.9 | 5:47 | 5:41 |
| 2 | 11.9 | 5:47 | 5:41 |
| 3 | 11.9 | 5:47 | 5:41 |
| 4 | 11.9 | 5:47 | 5:41 |
| 5 | 11.9 | 5:47 | 5:41 |
| 6 | 11.9 | 5:47 | 5:40 |
| 7 | 11.9 | 5:47 | 5:40 |
| 8 | 11.9 | 5:47 | 5:40 |
| 9 | 11.9 | 5:47 | 5:40 |
| 10 | 11.9 | 5:47 | 5:40 |
| 11 | 11.9 | 5:47 | 5:40 |
| 12 | 11.9 | 5:47 | 5:40 |
| 13 | 11.9 | 5:47 | 5:40 |
| 14 | 11.9 | 5:47 | 5:40 |
| 15 | 11.9 | 5:47 | 5:39 |
| 16 | 11.9 | 5:47 | 5:39 |
| 17 | 11.9 | 5:47 | 5:39 |
| 18 | 11.9 | 5:47 | 5:39 |
| 19 | 11.9 | 5:48 | 5:39 |
| 20 | 11.9 | 5:48 | 5:39 |
| 21 | 11.9 | 5:48 | 5:39 |
| 22 | 11.9 | 5:48 | 5:39 |
| 23 | 11.9 | 5:48 | 5:39 |
| 24 | 11.9 | 5:48 | 5:39 |
| 25 | 11.9 | 5:48 | 5:39 |
| 26 | 11.9 | 5:48 | 5:39 |
| 27 | 11.9 | 5:48 | 5:40 |
| 28 | 11.8 | 5:49 | 5:40 |
| 29 | 11.8 | 5:49 | 5:40 |
| 30 | 11.8 | 5:49 | 5:40 |
| 31 | 11.8 | 5:49 | 5:40 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 5.18 kWh/m².
For context, solar energy here swings from a low near 4.93 kWh/m² to a high of 6.98 kWh/m² in October across the year — May's 5.18 kWh/m² sits near the bottom.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.0 | Bright |
| 2 | 5.0 | Bright |
| 3 | 5.0 | Bright |
| 4 | 5.0 | Bright |
| 5 | 5.0 | Bright |
| 6 | 5.0 | Bright |
| 7 | 5.1 | Bright |
| 8 | 5.1 | Bright |
| 9 | 5.1 | Bright |
| 10 | 5.1 | Bright |
| 11 | 5.1 | Bright |
| 12 | 5.2 | Bright |
| 13 | 5.2 | Bright |
| 14 | 5.2 | Bright |
| 15 | 5.2 | Bright |
| 16 | 5.2 | Bright |
| 17 | 5.2 | Bright |
| 18 | 5.2 | Bright |
| 19 | 5.2 | Bright |
| 20 | 5.2 | Bright |
| 21 | 5.2 | Bright |
| 22 | 5.3 | Bright |
| 23 | 5.3 | Bright |
| 24 | 5.3 | Bright |
| 25 | 5.3 | Bright |
| 26 | 5.3 | Bright |
| 27 | 5.3 | Bright |
| 28 | 5.3 | Bright |
| 29 | 5.3 | Bright |
| 30 | 5.3 | Bright |
| 31 | 5.3 | Bright |
Hazard calendar for Parnaíba
In May, Parnaíba sits inside its monsoon season. The full year is below, with each hazard's peak months called out.
Parnaíba's monsoon runs January–May, when most of the year's rain falls.
Is May a good time to visit Parnaíba?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is a weaker month for outdoor sightseeing in Parnaíba.
What to pack for Parnaíba in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Parnaíba sees daytime highs around 31°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.
Sea temperature near Parnaíba in May
The nearest coast averages about 29°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 17 km away) is warmest in May at about 29°C and coldest in September near 27°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 28 | 28 | 29 | 29 | 29 | 29 | 28 | 27 | 27 | 27 | 28 | 28 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Warm | Warm | Warm | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Tropical |
| Feb | 28 | Tropical |
| Mar | 29 | Tropical |
| Apr | 29 | Tropical |
| May | 29 | Tropical |
| Jun | 29 | Tropical |
| Jul | 28 | Warm |
| Aug | 27 | Warm |
| Sep | 27 | Warm |
| Oct | 27 | Warm |
| Nov | 28 | Warm |
| Dec | 28 | Tropical |
UV index in Parnaíba in May
Clear-sky midday UV in May peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Parnaíba peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (extreme).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 13 | 14 | 15 | 14 | 12 | 10 | 10 | 10 | 12 | 12 | 11 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 14 | Extreme |
| Mar | 15 | Extreme |
| Apr | 14 | Extreme |
| May | 12 | Extreme |
| Jun | 10 | Extreme |
| Jul | 10 | Extreme |
| Aug | 10 | Extreme |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 11 | Extreme |
| Dec | 11 | Extreme |
Air quality in Parnaíba in May
Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.
Air quality in Parnaíba is worst in December — around 18 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (August, 6 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 12 | 15 | 13 | 11 | 8 | 7 | 9 | 6 | 7 | 10 | 16 | 18 |
| Level | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Moderate |
| Feb | 15 | Moderate |
| Mar | 13 | Moderate |
| Apr | 11 | Good |
| May | 8 | Good |
| Jun | 7 | Good |
| Jul | 9 | Good |
| Aug | 6 | Good |
| Sep | 7 | Good |
| Oct | 10 | Good |
| Nov | 16 | Moderate |
| Dec | 18 | Moderate |
Where is Parnaíba?
Parnaíba sits at 2.9°S, 41.8°W, 9 m above sea level, in Brazil. The nearest listed city is Ilha Grande, 7.0 km away.
Topography around Parnaíba
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Parnaíba.
Within 3 km, the terrain around Parnaíba has only modest variations in elevation — a maximum elevation change of 28 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 52 m; within 80 km, large variations in elevation — a maximum elevation change of 919 m.
The land around Parnaíba is covered by grassland (46%) and artificial surfaces (31%) within 3 km, grassland (37%) and trees (29%) within 16 km, and trees (39%) and water (33%) within 80 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
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 Parnaíba (-2.9047°, -41.7767°, elevation 9 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).