Kollo weather in August

In August, Kollo sees average daytime highs of 32°C and overnight lows near 24°C, with 132 mm of rain across 15.7 wet days and about 12.4 hours of daylight. It is the 11th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 19% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 36 min at the start of August to 12 h 18 min by month's end. Set against the rest of the year, August is Kollo's 12th-clearest and 10th-windiest month. For the whole year in context, see Kollo's year-round climate.

Daytime high
32°
11th warmest
Overnight low
24°
6th coldest
Rainfall
132 mm
15.7 wet days
Daylight
12 h 24 min
6:41 AM – 7:08 PM
Cloud cover
67%
12th clearest
Wind
11 km/h
10th windiest
Solar energy
5.6 kWh/m²
Travel score
3.5
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical August day in Kollo reaches about 32°C in the afternoon and slips back to 24°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 34°C. Set against its neighbours, August runs about 2°C cooler than July and about 2°C cooler than September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13225
23225
33225
43225
53225
63225
73225
83225
93225
103225
113224
123224
133224
143224
153224
163224
173224
183224
193224
203224
213224
223224
233224
243224
253224
263224
273224
283224
293224
303224
313224

How August really feels in Kollo

Once humidity and wind are folded in, August 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.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Kollo weather by month

How August compares with the rest of the year at a glance. August is the 11th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 17°0011.35.7
Feb34° / 20°00.111.63.7
Mar38° / 23°10.311.91.2
Apr40° / 27°30.912.30.0
May40° / 29°92.512.60.3
Jun37° / 27°255.412.81.7
Jul34° / 26°6811.612.73.0
Aug32° / 24°13215.712.43.5
Sep34° / 25°507.512.13.2
Oct37° / 25°92.311.71.8
Nov36° / 20°0011.42.6
Dec33° / 18°0011.24.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in August, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24456
34357
44258
54258
64060
74060
83961
93862
103763
113763
123664
133763
143763
153763
163763
173763
183763
193763
203763
213763
223862
233862
243862
253862
264060
274060
284060
294159
304159
314357

Chance of precipitation in August

Any precipitation

Kollo gets around 132 mm of rain over 15.7 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 50% and peaks near 51% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
149
249
350
450
550
650
750
850
950
1051
1151
1251
1351
1451
1551
1651
1751
1851
1951
2051
2151
2251
2351
2451
2550
2650
2749
2849
2948
3047
3146

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
11981
21972
31972
40982
50982
61963
71963
81963
91963
101954
111954
121954
131954
141945
151945
161945
171945
181936
191936
201936
211936
221936
230937
240937
250937
260937
270937
280937
290937
300937
310937

Wind in August

Winds average 11 km/h in August.

Across August, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 36 min at the start of August to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over August. Sunrise moves from 6:39 AM to 6:43 AM, and sunset from 7:15 PM to 6:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:397:15
212.66:397:14
312.66:397:14
412.66:397:14
512.66:407:13
612.56:407:13
712.56:407:12
812.56:407:12
912.56:407:12
1012.56:417:11
1112.56:417:11
1212.56:417:10
1312.56:417:10
1412.56:417:09
1512.56:417:09
1612.46:417:08
1712.46:417:08
1812.46:427:07
1912.46:427:06
2012.46:427:06
2112.46:427:05
2212.46:427:05
2312.46:427:04
2412.46:427:03
2512.36:427:03
2612.36:427:02
2712.36:427:02
2812.36:427:01
2912.36:427:00
3012.36:427:00
3112.36:436:59

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.6 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 5.6 kWh/m² to a high of 7.02 kWh/m² in April across the year — August's 5.6 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.8Bright
315.8Bright
Planning a trip in August

Hazard calendar for Kollo

In seasonPeak

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

Kollo sees seasonal dust haze (January–July), heaviest in March.

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

Is August a good time to visit Kollo?

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

3.5
Sightseeing
4th-best month of the year
5.6
Beach & pool
7th-best month of the year

August is a weaker month for outdoor sightseeing in Kollo.

What to pack for Kollo in August

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

In August, Kollo sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

UV index in Kollo in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kollo peaks around August 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 18UV 13Dec 13UV 8
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar13Extreme
Apr10Extreme
May10Extreme
Jun11Extreme
Jul11Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Kollo in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Kollo is worst in February — around 97 µg/m³ PM2.5 (unhealthy), about 5.0× the cleanest month (August, 20 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyFeb 2197 µg/m³Aug 1320 µg/m³
PM2.5 (µg/m³)Level
Jan87Unhealthy
Feb97Unhealthy
Mar96Unhealthy
Apr74Unhealthy
May46Poor
Jun34Moderate
Jul22Moderate
Aug20Moderate
Sep26Moderate
Oct48Poor
Nov62Unhealthy
Dec77Unhealthy
Location & terrain

Where is Kollo?

Kollo sits at 13.3°N, 2.3°E, 189 m above sea level, in Niger. The nearest listed city is Youri Kourtéré, 10 km away.

DossoTillabéri

Topography around Kollo

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

Within 3 km, the terrain around Kollo has only modest variations in elevation — a maximum elevation change of 32 m around an average of 183 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 97 m; within 80 km, only modest variations in elevation — a maximum elevation change of 119 m.

The land around Kollo is covered by grassland (46%) and cropland (30%) within 3 km, grassland (61%) within 16 km, and grassland (65%) within 80 km.

3 km
32 m
16 km
97 m
80 km
119 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Youri Kourtéré 10 km · Say 23 km · Niamey 34 km · Torodi 62 km · Birnin Gaouré 67 km · Baléyara 85 km · Dosso 97 km · Tillabéri 139 km

Niger travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type A / B / C / D / E / F
220 V · 50 Hz
Prices
≈ 36% of US
price level, 2025
GDP per capita
$775
2025
Happiness
4.9 / 10
World Happiness, 2025
Homicide rate
4.4
per 100k, 2012
Road deaths
25.5
per 100k/yr, 2019
Income group
Low
World Bank
Religion
Muslim 96%ethnic religionist 4%Christian 0%agnostics and other 0%

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 Kollo (13.3043°, 2.339°, elevation 189 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).