Bol weather in October
In October, Bol sees average daytime highs of 38°C and overnight lows near 25°C, with 5 mm of rain across 1.4 wet days and about 11.7 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.
Day-to-day highs hold fairly steady near 38°C through the month. The sky is clear or mostly clear about 67% of the time in October, and the air most often feels dry.
Daylight stretches from about 11 h 54 min at the start of October to 11 h 30 min by month's end. Set against the rest of the year, October is Bol's 4th-clearest and 8th-windiest month. For the whole year in context, see Bol's year-round climate.
- Daytime high
- 38°
- 4th warmest
- Overnight low
- 25°
- 6th coldest
- Rainfall
- 5 mm
- 1.4 wet days
- Daylight
- 11 h 42 min
- 5:55 AM – 5:37 PM
- Cloud cover
- 31%
- 4th clearest
- Wind
- 12 km/h
- 8th windiest
- Solar energy
- 6.34 kWh/m²
- Travel score
- 1.4
- out of 10
Bol is city in Chad.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in October
Day-to-day highs hold fairly steady near 38°C through the month.
A typical October day in Bol reaches about 38°C in the afternoon and slips back to 25°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 36°C and 40°C. Set against its neighbours, October runs about 2°C warmer than September and about 3°C warmer than November.
| 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) | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 37 | 37 | 37 | 37 | 37 |
| Avg low (°C) | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 38 | 26 |
| 2 | 38 | 26 |
| 3 | 38 | 26 |
| 4 | 38 | 26 |
| 5 | 38 | 26 |
| 6 | 38 | 26 |
| 7 | 38 | 26 |
| 8 | 38 | 26 |
| 9 | 38 | 25 |
| 10 | 38 | 25 |
| 11 | 38 | 25 |
| 12 | 38 | 25 |
| 13 | 38 | 25 |
| 14 | 38 | 25 |
| 15 | 38 | 25 |
| 16 | 38 | 25 |
| 17 | 38 | 25 |
| 18 | 38 | 25 |
| 19 | 38 | 24 |
| 20 | 38 | 24 |
| 21 | 38 | 24 |
| 22 | 38 | 24 |
| 23 | 38 | 24 |
| 24 | 38 | 24 |
| 25 | 38 | 24 |
| 26 | 38 | 24 |
| 27 | 37 | 23 |
| 28 | 37 | 23 |
| 29 | 37 | 23 |
| 30 | 37 | 23 |
| 31 | 37 | 23 |
How October really feels in Bol
Once humidity and wind are folded in, October 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 October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Bol weather by month
How October compares with the rest of the year at a glance. October is the 4th-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 | 31° / 15° | 0 | 0 | 11.3 | 6.1 |
| Feb | 34° / 18° | 0 | 0 | 11.6 | 4.0 |
| Mar | 38° / 22° | 0 | 0 | 11.9 | 1.4 |
| Apr | 41° / 26° | 1 | 0.3 | 12.3 | 0.0 |
| May | 41° / 28° | 6 | 2.1 | 12.6 | 0.0 |
| Jun | 39° / 28° | 10 | 3.7 | 12.8 | 0.5 |
| Jul | 35° / 27° | 56 | 9.8 | 12.7 | 2.3 |
| Aug | 33° / 25° | 103 | 14.2 | 12.4 | 3.1 |
| Sep | 36° / 26° | 34 | 6 | 12.1 | 2.2 |
| Oct | 38° / 25° | 5 | 1.4 | 11.7 | 1.4 |
| Nov | 35° / 20° | 0 | 0 | 11.4 | 3.1 |
| Dec | 32° / 16° | 0 | 0 | 11.2 | 5.6 |
Cloud cover in October
The sky is clear or mostly clear about 67% of the time in October.
Beyond those clear spells, partly cloudy skies cover about 14% of October, with mostly cloudy or overcast conditions the remaining 19%.
| 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 (%) | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 81 | 81 | 81 | 82 | 82 | 82 | 83 | 83 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 81 | 80 | 80 | 80 | 79 | 79 |
| Cloudier (%) | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 20 | 20 | 20 | 21 | 21 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 80 | 20 |
| 2 | 80 | 20 |
| 3 | 80 | 20 |
| 4 | 80 | 20 |
| 5 | 80 | 20 |
| 6 | 80 | 20 |
| 7 | 80 | 20 |
| 8 | 80 | 20 |
| 9 | 81 | 19 |
| 10 | 81 | 19 |
| 11 | 81 | 19 |
| 12 | 82 | 18 |
| 13 | 82 | 18 |
| 14 | 82 | 18 |
| 15 | 83 | 17 |
| 16 | 83 | 17 |
| 17 | 82 | 18 |
| 18 | 82 | 18 |
| 19 | 82 | 18 |
| 20 | 82 | 18 |
| 21 | 82 | 18 |
| 22 | 82 | 18 |
| 23 | 82 | 18 |
| 24 | 82 | 18 |
| 25 | 82 | 18 |
| 26 | 81 | 19 |
| 27 | 80 | 20 |
| 28 | 80 | 20 |
| 29 | 80 | 20 |
| 30 | 79 | 21 |
| 31 | 79 | 21 |
Chance of precipitation in October
Bol gets around 5 mm of rain over 1.4 wet days in October. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 4% and peaks near 10% 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 (%) | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
| Rain chance (%) | |
|---|---|
| 1 | 10 |
| 2 | 10 |
| 3 | 10 |
| 4 | 10 |
| 5 | 9 |
| 6 | 9 |
| 7 | 9 |
| 8 | 8 |
| 9 | 8 |
| 10 | 7 |
| 11 | 6 |
| 12 | 6 |
| 13 | 5 |
| 14 | 5 |
| 15 | 4 |
| 16 | 4 |
| 17 | 3 |
| 18 | 3 |
| 19 | 2 |
| 20 | 2 |
| 21 | 2 |
| 22 | 1 |
| 23 | 1 |
| 24 | 1 |
| 25 | 1 |
| 26 | 1 |
| 27 | 1 |
| 28 | 0 |
| 29 | 0 |
| 30 | 0 |
| 31 | 0 |
Humidity in October
Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, October lands in the dry band about 58% of days. Sticky, muggy-or-worse air turns up on roughly 25% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 17 | 19 | 21 | 23 | 26 | 28 | 31 | 35 | 38 | 41 | 45 | 48 | 52 | 56 | 59 | 62 | 64 | 68 | 71 | 72 | 75 | 77 | 80 | 81 | 83 | 85 | 86 | 88 | 90 | 92 | 93 |
| Comfortable (%) | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 3 | 2 | 2 |
| Humid (%) | 11 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 10 | 10 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 4 | 4 | 3 | 3 |
| Muggy (%) | 29 | 29 | 28 | 28 | 27 | 26 | 24 | 23 | 22 | 21 | 19 | 18 | 17 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 9 | 8 | 7 | 6 | 6 | 5 | 5 | 4 | 3 | 3 | 2 |
| Oppressive (%) | 32 | 29 | 28 | 26 | 24 | 22 | 20 | 18 | 16 | 15 | 13 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 4 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 0 | 0 | 0 |
| Miserable (%) | 1 | 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 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 17 | 10 | 11 | 29 | 32 | 1 |
| 2 | 19 | 11 | 12 | 29 | 29 | 0 |
| 3 | 21 | 11 | 12 | 28 | 28 | 0 |
| 4 | 23 | 11 | 12 | 28 | 26 | 0 |
| 5 | 26 | 11 | 13 | 27 | 24 | 0 |
| 6 | 28 | 11 | 13 | 26 | 22 | 0 |
| 7 | 31 | 11 | 13 | 24 | 20 | 0 |
| 8 | 35 | 11 | 13 | 23 | 18 | 0 |
| 9 | 38 | 11 | 12 | 22 | 16 | 0 |
| 10 | 41 | 11 | 12 | 21 | 15 | 0 |
| 11 | 45 | 11 | 12 | 19 | 13 | 0 |
| 12 | 48 | 11 | 11 | 18 | 11 | 0 |
| 13 | 52 | 10 | 11 | 17 | 10 | 0 |
| 14 | 56 | 10 | 10 | 15 | 9 | 0 |
| 15 | 59 | 9 | 10 | 14 | 8 | 0 |
| 16 | 62 | 9 | 9 | 13 | 7 | 0 |
| 17 | 64 | 9 | 9 | 12 | 6 | 0 |
| 18 | 68 | 8 | 8 | 11 | 5 | 0 |
| 19 | 71 | 7 | 8 | 10 | 4 | 0 |
| 20 | 72 | 7 | 8 | 9 | 4 | 0 |
| 21 | 75 | 6 | 7 | 9 | 3 | 0 |
| 22 | 77 | 6 | 7 | 8 | 2 | 0 |
| 23 | 80 | 5 | 6 | 7 | 2 | 0 |
| 24 | 81 | 5 | 6 | 6 | 2 | 0 |
| 25 | 83 | 4 | 6 | 6 | 1 | 0 |
| 26 | 85 | 4 | 5 | 5 | 1 | 0 |
| 27 | 86 | 3 | 5 | 5 | 1 | 0 |
| 28 | 88 | 3 | 4 | 4 | 1 | 0 |
| 29 | 90 | 3 | 4 | 3 | 0 | 0 |
| 30 | 92 | 2 | 3 | 3 | 0 | 0 |
| 31 | 93 | 2 | 3 | 2 | 0 | 0 |
Wind in October
Winds average 12 km/h in October.
Across October, daily wind ranges from about 10 km/h on the calmest days to 16 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) | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 16 |
| Feels | 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 | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 10 | calm |
| 2 | 10 | calm |
| 3 | 10 | 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 | 12 | calm |
| 13 | 12 | calm |
| 14 | 12 | calm |
| 15 | 12 | light breeze |
| 16 | 12 | light breeze |
| 17 | 13 | light breeze |
| 18 | 13 | light breeze |
| 19 | 13 | light breeze |
| 20 | 13 | light breeze |
| 21 | 13 | light breeze |
| 22 | 14 | light breeze |
| 23 | 14 | light breeze |
| 24 | 14 | light breeze |
| 25 | 14 | light breeze |
| 26 | 15 | light breeze |
| 27 | 15 | light breeze |
| 28 | 15 | light breeze |
| 29 | 15 | light breeze |
| 30 | 15 | light breeze |
| 31 | 16 | light breeze |
Sunrise & sunset in October
Daylight runs from about 11 h 54 min at the start of October to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 24 minutes over October. Sunrise moves from 5:54 AM to 5:59 AM, and sunset from 5:47 PM to 5:30 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 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.5 | 11.5 | 11.5 |
| Sunrise (AM) | 5:54 | 5:54 | 5:54 | 5:54 | 5:54 | 5:54 | 5:54 | 5:54 | 5:54 | 5:54 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:57 | 5:57 | 5:57 | 5:57 | 5:58 | 5:58 | 5:58 | 5:58 | 5:59 | 5:59 |
| Sunset (PM) | 5:47 | 5:46 | 5:45 | 5:44 | 5:44 | 5:43 | 5:42 | 5:42 | 5:41 | 5:41 | 5:40 | 5:39 | 5:39 | 5:38 | 5:38 | 5:37 | 5:36 | 5:36 | 5:35 | 5:35 | 5:34 | 5:34 | 5:33 | 5:33 | 5:33 | 5:32 | 5:32 | 5:31 | 5:31 | 5:31 | 5:30 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.9 | 5:54 | 5:47 |
| 2 | 11.9 | 5:54 | 5:46 |
| 3 | 11.9 | 5:54 | 5:45 |
| 4 | 11.8 | 5:54 | 5:44 |
| 5 | 11.8 | 5:54 | 5:44 |
| 6 | 11.8 | 5:54 | 5:43 |
| 7 | 11.8 | 5:54 | 5:42 |
| 8 | 11.8 | 5:54 | 5:42 |
| 9 | 11.8 | 5:54 | 5:41 |
| 10 | 11.8 | 5:54 | 5:41 |
| 11 | 11.8 | 5:55 | 5:40 |
| 12 | 11.7 | 5:55 | 5:39 |
| 13 | 11.7 | 5:55 | 5:39 |
| 14 | 11.7 | 5:55 | 5:38 |
| 15 | 11.7 | 5:55 | 5:38 |
| 16 | 11.7 | 5:55 | 5:37 |
| 17 | 11.7 | 5:56 | 5:36 |
| 18 | 11.7 | 5:56 | 5:36 |
| 19 | 11.7 | 5:56 | 5:35 |
| 20 | 11.6 | 5:56 | 5:35 |
| 21 | 11.6 | 5:56 | 5:34 |
| 22 | 11.6 | 5:57 | 5:34 |
| 23 | 11.6 | 5:57 | 5:33 |
| 24 | 11.6 | 5:57 | 5:33 |
| 25 | 11.6 | 5:57 | 5:33 |
| 26 | 11.6 | 5:58 | 5:32 |
| 27 | 11.6 | 5:58 | 5:32 |
| 28 | 11.6 | 5:58 | 5:31 |
| 29 | 11.5 | 5:58 | 5:31 |
| 30 | 11.5 | 5:59 | 5:31 |
| 31 | 11.5 | 5:59 | 5:30 |
Solar energy in October
Average shortwave solar energy reaching the ground each day in October, about 6.34 kWh/m².
For context, solar energy here swings from a low near 5.68 kWh/m² to a high of 7.37 kWh/m² in April across the year — October's 6.34 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) | 6.4 | 6.4 | 6.4 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.4 | Intense |
| 2 | 6.4 | Intense |
| 3 | 6.4 | Intense |
| 4 | 6.3 | Intense |
| 5 | 6.3 | Intense |
| 6 | 6.3 | Intense |
| 7 | 6.3 | Intense |
| 8 | 6.3 | Intense |
| 9 | 6.3 | Intense |
| 10 | 6.3 | Intense |
| 11 | 6.3 | Intense |
| 12 | 6.3 | Intense |
| 13 | 6.3 | Intense |
| 14 | 6.3 | Intense |
| 15 | 6.3 | Intense |
| 16 | 6.4 | Intense |
| 17 | 6.4 | Intense |
| 18 | 6.4 | Intense |
| 19 | 6.4 | Intense |
| 20 | 6.4 | Intense |
| 21 | 6.4 | Intense |
| 22 | 6.4 | Intense |
| 23 | 6.4 | Intense |
| 24 | 6.4 | Intense |
| 25 | 6.3 | Intense |
| 26 | 6.3 | Intense |
| 27 | 6.3 | Intense |
| 28 | 6.3 | Intense |
| 29 | 6.3 | Intense |
| 30 | 6.3 | Intense |
| 31 | 6.3 | Intense |
Hazard calendar for Bol
In October, Bol sits inside its dust season. The full year is below, with each hazard's peak months called out.
Bol sees dust haze year-round, heaviest in March.
Is October a good time to visit Bol?
Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
October is a weaker month for outdoor sightseeing in Bol.
What to pack for Bol in October
From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In October, Bol sees daytime highs around 38°C and nights near 25°C. Pack light clothes and sun protection.
UV index in Bol in October
Clear-sky midday UV in October 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 Bol peaks around August 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 8 (very high).
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) | 10 | 10 | 13 | 11 | 9 | 10 | 11 | 13 | 11 | 11 | 9 | 7 |
| Level | Very high | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Very high |
| Feb | 10 | Extreme |
| Mar | 13 | Extreme |
| Apr | 11 | Extreme |
| May | 9 | Very high |
| Jun | 10 | Extreme |
| Jul | 11 | Extreme |
| Aug | 13 | Extreme |
| Sep | 11 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 7 | Very high |
Air quality in Bol in October
Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.
Air quality in Bol is worst in February — around 121 µg/m³ PM2.5 (unhealthy), about 5.1× the cleanest month (August, 24 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) | 116 | 121 | 108 | 78 | 51 | 42 | 31 | 24 | 25 | 56 | 73 | 111 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Poor | Moderate | Moderate | Moderate | Unhealthy | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 116 | Unhealthy |
| Feb | 121 | Unhealthy |
| Mar | 108 | Unhealthy |
| Apr | 78 | Unhealthy |
| May | 51 | Poor |
| Jun | 42 | Poor |
| Jul | 31 | Moderate |
| Aug | 24 | Moderate |
| Sep | 25 | Moderate |
| Oct | 56 | Unhealthy |
| Nov | 73 | Unhealthy |
| Dec | 111 | Unhealthy |
Where is Bol?
Bol sits at 13.5°N, 14.7°E, 291 m above sea level, in Chad. The nearest listed city is Blangwa, 79 km away.
Topography around Bol
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bol.
Within 3 km, the terrain around Bol has only modest variations in elevation — a maximum elevation change of 20 m around an average of 284 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 32 m; within 80 km, only modest variations in elevation — a maximum elevation change of 80 m.
The land around Bol is covered by grassland (42%) and wetland (29%) within 3 km, grassland (52%) and wetland (21%) within 16 km, and grassland (63%) and wetland (21%) within 80 km.
Chad travel facts
- Travel advisory
- Level 4
- Do Not Travel
- Power plugs
- Type C / D / E / F
- 220 V · 50 Hz
- Prices
- ≈ 35% of US
- price level, 2025
- GDP per capita
- $1,022
- 2025
- Happiness
- 4.4 / 10
- World Happiness, 2025
- Safe drinking water
- 6%
- of population, 2024
- Road deaths
- 32.4
- per 100k/yr, 2019
- Income group
- Low
- World Bank
- 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 Bol (13.4673°, 14.7135°, elevation 291 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. 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).