Bo weather in November

In November, Bo sees average daytime highs of 30°C and overnight lows near 22°C, with 103 mm of rain across 19.3 wet days and about 11.6 hours of daylight. It is the 7th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 10% of the time in November, and the air most often feels oppressive.

Daylight stretches from about 11 h 42 min at the start of November to 11 h 36 min by month's end. Set against the rest of the year, November is Bo's 5th-clearest and 12th-windiest month. For the whole year in context, see Bo's year-round climate.

Daytime high
30°
7th warmest
Overnight low
22°
6th coldest
Rainfall
103 mm
19.3 wet days
Daylight
11 h 36 min
6:43 AM – 6:21 PM
Cloud cover
71%
5th clearest
Wind
4 km/h
12th windiest
Solar energy
4.39 kWh/m²
Travel score
3.9
out of 10

Bo is city of Sierra Leone.

Density
655/km²
people per km²
Founded
1787

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in November

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical November day in Bo reaches about 30°C in the afternoon and slips back to 22°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, November runs on par with October and about 1°C cooler than December.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13022
23022
33022
43022
53022
63022
73022
83022
93022
103022
113022
123022
133022
143022
153022
163022
173022
183022
193022
203022
213022
223022
233022
243022
253022
263022
273022
283022
293022
303022

How November really feels in Bo

Once humidity and wind are folded in, November averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in November is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Bo weather by month

How November compares with the rest of the year at a glance. November is the 7th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 22°173.711.64.1
Feb35° / 23°204.711.73.1
Mar34° / 24°5611.411.92.8
Apr33° / 24°12018.112.22.9
May31° / 23°2462712.42.7
Jun29° / 23°33328.912.52.8
Jul28° / 22°39629.112.43.3
Aug28° / 22°47629.412.33.4
Sep28° / 22°43329.3123.0
Oct29° / 22°24529.211.82.9
Nov30° / 22°10319.311.63.9
Dec31° / 22°266.411.55.0

Cloud cover in November

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in November.

Beyond those clear spells, partly cloudy skies cover about 21% of November, with mostly cloudy or overcast conditions the remaining 68%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11981
21981
32080
42080
52179
62278
72278
82377
92377
102575
112575
122773
132773
142971
153070
163169
173268
183367
193466
203565
213664
223862
233961
244159
254258
264357
274555
284654
294753
304852

Chance of precipitation in November

Any precipitation

Bo gets around 103 mm of rain over 19.3 wet days in November. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 64% and peaks near 87% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
187
286
385
483
582
680
778
877
975
1073
1171
1269
1368
1466
1564
1662
1761
1859
1958
2056
2155
2253
2352
2451
2549
2648
2746
2845
2943
3041

Humidity in November

DryComfortableHumidMuggyOppressiveMiserable

Most of November feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, November lands in the oppressive band about 91% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
10937
20937
30928
40928
50928
60928
70928
80928
90919
100919
110919
120919
130919
140928
150928
160928
170928
180928
190928
200919
210919
220919
2309010
2409010
2508911
2608911
2708812
2818712
2918712
3018712

Wind in November

Winds average 4 km/h in November, the calmest month.

Across November, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

Sunrise & sunset in November

DaylightNight

Daylight runs from about 11 h 42 min at the start of November to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over November. Sunrise moves from 6:39 AM to 6:49 AM, and sunset from 6:22 PM to 6:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:396:22
211.76:396:22
311.76:406:22
411.76:406:21
511.76:406:21
611.76:406:21
711.76:406:21
811.76:416:21
911.76:416:21
1011.76:416:21
1111.76:426:21
1211.76:426:21
1311.66:426:21
1411.66:436:21
1511.66:436:21
1611.66:436:21
1711.66:446:21
1811.66:446:21
1911.66:446:21
2011.66:456:22
2111.66:456:22
2211.66:466:22
2311.66:466:22
2411.66:466:22
2511.66:476:22
2611.66:476:23
2711.66:486:23
2811.66:486:23
2911.66:496:23
3011.66:496:24

Solar energy in November

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in November, about 4.39 kWh/m².

For context, solar energy here swings from a low near 3.29 kWh/m² to a high of 5.6 kWh/m² in February across the year — November's 4.39 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.4Bright
264.4Bright
274.4Bright
284.4Bright
294.4Bright
304.5Bright
Planning a trip in November

Hazard calendar for Bo

In seasonPeak

None of Bo's seasonal hazards are active in November. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Bo's monsoon runs May–October, when most of the year's rain falls.

Bo sees seasonal dust haze (February–April), heaviest in February.

Monsoon
Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is November a good time to visit Bo?

Our two travel scores rate November for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.9
Sightseeing
3rd-best month of the year
5.2
Beach & pool
5th-best month of the year

November is a weaker month for outdoor sightseeing in Bo.

What to pack for Bo in November

From November's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In November, Bo sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. About 19 days see rain.

light clothesrain gear

UV index in Bo in November

LowModerateHighVery highExtreme

Clear-sky midday UV in November peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bo peaks around August 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 8 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeVery highAug 22UV 13Dec 15UV 8
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar12Extreme
Apr10Very high
May12Extreme
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov9Very high
Dec8Very high

Air quality in Bo in November

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where November falls, not just the annual average.

Air quality in Bo is worst in April — around 202 µg/m³ PM2.5 (very unhealthy), about 19.4× the cleanest month (August, 10 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0306090120150180210JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyVery unhealthyModerateGoodModeratePoorApr 9200 µg/m³Aug 2011 µg/m³
PM2.5 (µg/m³)Level
Jan70Unhealthy
Feb77Unhealthy
Mar194Very unhealthy
Apr202Very unhealthy
May33Moderate
Jun19Moderate
Jul13Moderate
Aug10Good
Sep11Good
Oct17Moderate
Nov25Moderate
Dec50Poor
Location & terrain

Where is Bo?

Bo sits at 8.0°N, 11.7°W, 104 m above sea level, in Sierra Leone. The nearest listed city is Bumpe, 20 km away.

BumpeNjalaKenemaMile 91SegbwemaMakeniKoiduLunsar

Topography around Bo

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bo.

Within 3 km, the terrain around Bo has only modest variations in elevation — a maximum elevation change of 93 m around an average of 93 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 328 m; within 80 km, large variations in elevation — a maximum elevation change of 820 m.

The land around Bo is covered by artificial surfaces (56%) and trees (22%) within 3 km, trees (51%) and shrubs (35%) within 16 km, and trees (63%) and shrubs (20%) within 80 km.

3 km
93 m
16 km
328 m
80 km
820 m
treesshrubsgrasslandartificial surfaceswaterwetlandmangroves
November weather nearby: Bumpe 20 km · Njala 43 km · Kenema 61 km · Mile 91 77 km · Segbwema 87 km · Makeni 108 km · Koidu 113 km · Lunsar 119 km

Sierra Leone travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type D / G
230 V · 50 Hz
Prices
≈ 24% of US
price level, 2025
GDP per capita
$846
2025
Happiness
3.3 / 10
World Happiness, 2025
Safe drinking water
11%
of population, 2024
Homicide rate
2.2
per 100k, 2020
Road deaths
33
per 100k/yr, 2019
Income group
Low
World Bank
Religion
Muslim 77%Christian 23%

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 Bo (7.9647°, -11.7383°, elevation 104 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).