Oiapoque weather in December
In December, Oiapoque sees average daytime highs of 30°C and overnight lows near 23°C, with 234 mm of rain across 26 wet days and about 11.8 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.
Highs ease over the month, from about 31°C in the first days to 29°C by the end. The sky is clear or mostly clear about 9% of the time in December, and the air most often feels oppressive.
Daylight stretches from about 11 h 48 min at the start of December to 11 h 48 min by month's end. Set against the rest of the year, December is Oiapoque's 7th-clearest and 8th-windiest month. For the whole year in context, see Oiapoque's year-round climate.
- Daytime high
- 30°
- 6th warmest
- Overnight low
- 23°
- 9th coldest
- Rainfall
- 234 mm
- 26 wet days
- Daylight
- 11 h 48 min
- 6:30 AM – 6:17 PM
- Cloud cover
- 74%
- 7th clearest
- Wind
- 7 km/h
- 8th windiest
- Solar energy
- 4.08 kWh/m²
- Travel score
- 3.2
- out of 10
Temperature in December
Highs ease over the month, from about 31°C in the first days to 29°C by the end.
A typical December day in Oiapoque reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 32°C. Set against its neighbours, December runs about 2°C cooler than November and about 1°C warmer than January.
| 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 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
| Avg low (°C) | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 31 | 23 |
| 2 | 31 | 23 |
| 3 | 31 | 23 |
| 4 | 31 | 23 |
| 5 | 31 | 23 |
| 6 | 31 | 23 |
| 7 | 30 | 23 |
| 8 | 30 | 23 |
| 9 | 30 | 23 |
| 10 | 30 | 23 |
| 11 | 30 | 23 |
| 12 | 30 | 23 |
| 13 | 30 | 23 |
| 14 | 30 | 23 |
| 15 | 30 | 23 |
| 16 | 30 | 23 |
| 17 | 30 | 23 |
| 18 | 30 | 23 |
| 19 | 29 | 23 |
| 20 | 29 | 23 |
| 21 | 29 | 23 |
| 22 | 29 | 23 |
| 23 | 29 | 23 |
| 24 | 29 | 23 |
| 25 | 29 | 23 |
| 26 | 29 | 23 |
| 27 | 29 | 23 |
| 28 | 29 | 23 |
| 29 | 29 | 23 |
| 30 | 29 | 23 |
| 31 | 29 | 23 |
How December really feels in Oiapoque
Once humidity and wind are folded in, December 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 December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Oiapoque weather by month
How December compares with the rest of the year at a glance. December is the 6th-warmest and 6th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 23° | 284 | 26.9 | 11.8 | 3.4 |
| Feb | 29° / 23° | 262 | 22.8 | 11.9 | 3.5 |
| Mar | 29° / 23° | 213 | 23.6 | 12 | 3.5 |
| Apr | 29° / 23° | 271 | 25.1 | 12.1 | 3.2 |
| May | 29° / 23° | 381 | 29.1 | 12.2 | 2.9 |
| Jun | 30° / 23° | 276 | 27.3 | 12.2 | 3.0 |
| Jul | 30° / 23° | 190 | 25.1 | 12.2 | 3.4 |
| Aug | 31° / 23° | 94 | 15.6 | 12.1 | 4.0 |
| Sep | 33° / 23° | 36 | 7.1 | 12 | 4.1 |
| Oct | 33° / 23° | 41 | 8.2 | 11.9 | 3.7 |
| Nov | 32° / 23° | 106 | 16.4 | 11.8 | 3.4 |
| Dec | 30° / 23° | 234 | 26 | 11.8 | 3.2 |
Cloud cover in December
The sky is clear or mostly clear about 9% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 76%. Skies tend to cloud over 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 (%) | 38 | 38 | 37 | 35 | 35 | 33 | 32 | 31 | 30 | 30 | 28 | 27 | 27 | 25 | 23 | 23 | 21 | 21 | 19 | 19 | 18 | 18 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 14 |
| Cloudier (%) | 62 | 62 | 63 | 65 | 65 | 67 | 68 | 69 | 70 | 70 | 72 | 73 | 73 | 75 | 77 | 77 | 79 | 79 | 81 | 81 | 82 | 82 | 84 | 84 | 84 | 85 | 85 | 86 | 86 | 86 | 86 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 38 | 62 |
| 2 | 38 | 62 |
| 3 | 37 | 63 |
| 4 | 35 | 65 |
| 5 | 35 | 65 |
| 6 | 33 | 67 |
| 7 | 32 | 68 |
| 8 | 31 | 69 |
| 9 | 30 | 70 |
| 10 | 30 | 70 |
| 11 | 28 | 72 |
| 12 | 27 | 73 |
| 13 | 27 | 73 |
| 14 | 25 | 75 |
| 15 | 23 | 77 |
| 16 | 23 | 77 |
| 17 | 21 | 79 |
| 18 | 21 | 79 |
| 19 | 19 | 81 |
| 20 | 19 | 81 |
| 21 | 18 | 82 |
| 22 | 18 | 82 |
| 23 | 16 | 84 |
| 24 | 16 | 84 |
| 25 | 16 | 84 |
| 26 | 15 | 85 |
| 27 | 15 | 85 |
| 28 | 14 | 86 |
| 29 | 14 | 86 |
| 30 | 14 | 86 |
| 31 | 14 | 86 |
Chance of precipitation in December
Oiapoque gets around 234 mm of rain over 26 wet days in December. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 83% and peaks near 91% on the wettest days. The odds climb 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 (%) | 69 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 81 | 82 | 83 | 84 | 85 | 86 | 86 | 87 | 88 | 88 | 89 | 89 | 90 | 90 | 91 | 91 | 91 | 91 | 91 | 91 | 90 |
| Rain chance (%) | |
|---|---|
| 1 | 69 |
| 2 | 71 |
| 3 | 72 |
| 4 | 73 |
| 5 | 74 |
| 6 | 75 |
| 7 | 76 |
| 8 | 77 |
| 9 | 78 |
| 10 | 79 |
| 11 | 81 |
| 12 | 82 |
| 13 | 83 |
| 14 | 84 |
| 15 | 85 |
| 16 | 86 |
| 17 | 86 |
| 18 | 87 |
| 19 | 88 |
| 20 | 88 |
| 21 | 89 |
| 22 | 89 |
| 23 | 90 |
| 24 | 90 |
| 25 | 91 |
| 26 | 91 |
| 27 | 91 |
| 28 | 91 |
| 29 | 91 |
| 30 | 91 |
| 31 | 90 |
Humidity in December
Most of December feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the oppressive band about 90% 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 (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Oppressive (%) | 88 | 88 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 90 | 90 | 90 | 90 | 91 | 91 | 91 | 91 | 91 | 92 | 92 | 92 | 93 | 93 | 93 | 93 |
| Miserable (%) | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 6 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 1 | 88 | 11 |
| 2 | 1 | 88 | 11 |
| 3 | 1 | 89 | 10 |
| 4 | 1 | 89 | 10 |
| 5 | 1 | 89 | 10 |
| 6 | 1 | 89 | 10 |
| 7 | 1 | 89 | 10 |
| 8 | 1 | 89 | 10 |
| 9 | 1 | 89 | 10 |
| 10 | 1 | 89 | 10 |
| 11 | 1 | 89 | 10 |
| 12 | 1 | 89 | 10 |
| 13 | 1 | 89 | 10 |
| 14 | 1 | 89 | 10 |
| 15 | 1 | 89 | 10 |
| 16 | 0 | 90 | 10 |
| 17 | 0 | 90 | 10 |
| 18 | 0 | 90 | 10 |
| 19 | 0 | 90 | 10 |
| 20 | 0 | 91 | 9 |
| 21 | 0 | 91 | 9 |
| 22 | 0 | 91 | 9 |
| 23 | 0 | 91 | 9 |
| 24 | 0 | 91 | 9 |
| 25 | 0 | 92 | 8 |
| 26 | 0 | 92 | 8 |
| 27 | 0 | 92 | 8 |
| 28 | 0 | 93 | 7 |
| 29 | 0 | 93 | 7 |
| 30 | 0 | 93 | 7 |
| 31 | 1 | 93 | 6 |
Wind in December
Winds average 7 km/h in December.
Across December, daily wind ranges from about 7 km/h on the calmest days to 8 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) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 8 | calm |
| 2 | 8 | calm |
| 3 | 8 | calm |
| 4 | 8 | calm |
| 5 | 8 | calm |
| 6 | 8 | calm |
| 7 | 8 | calm |
| 8 | 7 | calm |
| 9 | 7 | calm |
| 10 | 7 | calm |
| 11 | 7 | calm |
| 12 | 7 | calm |
| 13 | 7 | calm |
| 14 | 7 | calm |
| 15 | 7 | calm |
| 16 | 7 | calm |
| 17 | 7 | calm |
| 18 | 7 | calm |
| 19 | 7 | calm |
| 20 | 7 | calm |
| 21 | 7 | calm |
| 22 | 7 | calm |
| 23 | 7 | calm |
| 24 | 8 | calm |
| 25 | 8 | calm |
| 26 | 8 | calm |
| 27 | 8 | calm |
| 28 | 8 | calm |
| 29 | 8 | calm |
| 30 | 8 | calm |
| 31 | 8 | calm |
Sunrise & sunset in December
Daylight runs from about 11 h 48 min at the start of December to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 0 minutes over December. Sunrise moves from 6:23 AM to 6:37 AM, and sunset from 6:11 PM to 6:24 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) | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 |
| Sunrise (AM) | 6:23 | 6:24 | 6:24 | 6:25 | 6:25 | 6:25 | 6:26 | 6:26 | 6:27 | 6:27 | 6:28 | 6:28 | 6:29 | 6:29 | 6:30 | 6:30 | 6:31 | 6:31 | 6:32 | 6:32 | 6:33 | 6:33 | 6:33 | 6:34 | 6:34 | 6:35 | 6:35 | 6:36 | 6:36 | 6:37 | 6:37 |
| Sunset (PM) | 6:11 | 6:11 | 6:12 | 6:12 | 6:12 | 6:13 | 6:13 | 6:13 | 6:14 | 6:14 | 6:15 | 6:15 | 6:16 | 6:16 | 6:16 | 6:17 | 6:17 | 6:18 | 6:18 | 6:19 | 6:19 | 6:20 | 6:20 | 6:21 | 6:21 | 6:22 | 6:22 | 6:22 | 6:23 | 6:23 | 6:24 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.8 | 6:23 | 6:11 |
| 2 | 11.8 | 6:24 | 6:11 |
| 3 | 11.8 | 6:24 | 6:12 |
| 4 | 11.8 | 6:25 | 6:12 |
| 5 | 11.8 | 6:25 | 6:12 |
| 6 | 11.8 | 6:25 | 6:13 |
| 7 | 11.8 | 6:26 | 6:13 |
| 8 | 11.8 | 6:26 | 6:13 |
| 9 | 11.8 | 6:27 | 6:14 |
| 10 | 11.8 | 6:27 | 6:14 |
| 11 | 11.8 | 6:28 | 6:15 |
| 12 | 11.8 | 6:28 | 6:15 |
| 13 | 11.8 | 6:29 | 6:16 |
| 14 | 11.8 | 6:29 | 6:16 |
| 15 | 11.8 | 6:30 | 6:16 |
| 16 | 11.8 | 6:30 | 6:17 |
| 17 | 11.8 | 6:31 | 6:17 |
| 18 | 11.8 | 6:31 | 6:18 |
| 19 | 11.8 | 6:32 | 6:18 |
| 20 | 11.8 | 6:32 | 6:19 |
| 21 | 11.8 | 6:33 | 6:19 |
| 22 | 11.8 | 6:33 | 6:20 |
| 23 | 11.8 | 6:33 | 6:20 |
| 24 | 11.8 | 6:34 | 6:21 |
| 25 | 11.8 | 6:34 | 6:21 |
| 26 | 11.8 | 6:35 | 6:22 |
| 27 | 11.8 | 6:35 | 6:22 |
| 28 | 11.8 | 6:36 | 6:22 |
| 29 | 11.8 | 6:36 | 6:23 |
| 30 | 11.8 | 6:37 | 6:23 |
| 31 | 11.8 | 6:37 | 6:24 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 4.08 kWh/m².
For context, solar energy here swings from a low near 3.68 kWh/m² to a high of 6 kWh/m² in September across the year — December's 4.08 kWh/m² falls in the middle.
| 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) | 4.6 | 4.6 | 4.5 | 4.5 | 4.5 | 4.4 | 4.4 | 4.4 | 4.3 | 4.3 | 4.3 | 4.2 | 4.2 | 4.1 | 4.1 | 4.1 | 4.0 | 4.0 | 4.0 | 3.9 | 3.9 | 3.9 | 3.9 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.6 | Bright |
| 2 | 4.6 | Bright |
| 3 | 4.5 | Bright |
| 4 | 4.5 | Bright |
| 5 | 4.5 | Bright |
| 6 | 4.4 | Bright |
| 7 | 4.4 | Bright |
| 8 | 4.4 | Bright |
| 9 | 4.3 | Bright |
| 10 | 4.3 | Bright |
| 11 | 4.3 | Bright |
| 12 | 4.2 | Bright |
| 13 | 4.2 | Bright |
| 14 | 4.1 | Bright |
| 15 | 4.1 | Bright |
| 16 | 4.1 | Bright |
| 17 | 4.0 | Bright |
| 18 | 4.0 | Moderate |
| 19 | 4.0 | Moderate |
| 20 | 3.9 | Moderate |
| 21 | 3.9 | Moderate |
| 22 | 3.9 | Moderate |
| 23 | 3.9 | Moderate |
| 24 | 3.8 | Moderate |
| 25 | 3.8 | Moderate |
| 26 | 3.8 | Moderate |
| 27 | 3.8 | Moderate |
| 28 | 3.8 | Moderate |
| 29 | 3.8 | Moderate |
| 30 | 3.8 | Moderate |
| 31 | 3.8 | Moderate |
Is December a good time to visit Oiapoque?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is a weaker month for outdoor sightseeing in Oiapoque.
What to pack for Oiapoque in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Oiapoque sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. About 26 days see rain.
Sea temperature near Oiapoque in December
The nearest coast averages about 28°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 64 km away) is warmest in October at about 29°C and coldest in February 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) | 27 | 27 | 27 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 28 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 28 | Warm |
| May | 28 | Warm |
| Jun | 28 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Warm |
UV index in Oiapoque in December
Clear-sky midday UV in December peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Oiapoque peaks around April 12 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 11 (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 | 14 | 14 | 13 | 12 | 11 | 11 | 12 | 13 | 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 | 14 | Extreme |
| Apr | 14 | Extreme |
| May | 13 | Extreme |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 13 | Extreme |
| Nov | 11 | Extreme |
| Dec | 11 | Extreme |
Air quality in Oiapoque in December
Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.
Air quality in Oiapoque is worst in February — around 26 µg/m³ PM2.5 (moderate), about 3.9× the cleanest month (August, 7 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) | 22 | 26 | 25 | 23 | 15 | 9 | 7 | 7 | 8 | 10 | 11 | 18 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 22 | Moderate |
| Feb | 26 | Moderate |
| Mar | 25 | Moderate |
| Apr | 23 | Moderate |
| May | 15 | Moderate |
| Jun | 9 | Good |
| Jul | 7 | Good |
| Aug | 7 | Good |
| Sep | 8 | Good |
| Oct | 10 | Good |
| Nov | 11 | Good |
| Dec | 18 | Moderate |
Where is Oiapoque?
Oiapoque sits at 3.8°N, 51.8°W, 18 m above sea level, in Brazil. The nearest listed city is Matoury, 124 km away.
Topography around Oiapoque
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Oiapoque.
Within 3 km, the terrain around Oiapoque has only modest variations in elevation — a maximum elevation change of 97 m around an average of 28 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 124 m; within 80 km, significant variations in elevation — a maximum elevation change of 482 m.
The land around Oiapoque is covered by trees (72%) within 3 km, trees (93%) within 16 km, and trees (75%) 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 Oiapoque (3.8431°, -51.835°, elevation 18 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).