Say weather in August

In August, Say sees average daytime highs of 32°C and overnight lows near 24°C, with 152 mm of rain across 17.6 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 14% 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 Say's 12th-clearest and 10th-windiest month. For the whole year in context, see Say's year-round climate.

Daytime high
32°
11th warmest
Overnight low
24°
6th coldest
Rainfall
152 mm
17.6 wet days
Daylight
12 h 24 min
6:41 AM – 7:08 PM
Cloud cover
70%
12th clearest
Wind
9 km/h
10th windiest
Solar energy
5.47 kWh/m²
Travel score
3.4
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 Say reaches about 32°C in the afternoon and slips back to 24°C overnight — a 7°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
43224
53224
63224
73224
83224
93224
103224
113224
123224
133224
143224
153224
163224
173224
183124
193124
203124
213124
223224
233224
243224
253224
263224
273224
283224
293224
303224
313224

How August really feels in Say

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.

Say 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
Jan32° / 17°0011.35.6
Feb35° / 20°00.111.63.5
Mar39° / 24°20.411.91.0
Apr41° / 27°3112.30.0
May40° / 29°123.212.60.3
Jun37° / 27°306.812.81.9
Jul33° / 25°7813.212.73.1
Aug32° / 24°15217.612.43.4
Sep33° / 25°609.312.13.3
Oct37° / 25°123.111.72.0
Nov36° / 20°0011.42.6
Dec33° / 18°0011.24.8

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in August, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 20% of August, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
23961
33862
43862
53664
63664
73565
83466
93466
103367
113367
123367
133268
143268
153268
163268
173268
183169
193169
203268
213268
223268
233268
243268
253367
263466
273565
283664
293664
303862
313961

Chance of precipitation in August

Any precipitation

Say gets around 152 mm of rain over 17.6 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 56% and peaks near 57% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
155
256
356
457
557
657
757
857
957
1057
1157
1257
1357
1457
1557
1657
1757
1857
1957
2057
2157
2257
2357
2457
2557
2656
2756
2855
2954
3053
3152

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
41972
51972
61972
71963
81963
91963
101954
111954
121954
131954
141945
150955
160955
170946
180946
190946
200946
210946
220937
230937
240937
250937
260937
270937
280937
290928
300928
310928

Wind in August

Winds average 9 km/h in August.

Across August, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 7:14 PM to 6:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:397:14
212.66:397:14
312.66:397:13
412.66:407:13
512.56:407:13
612.56:407:12
712.56:407:12
812.56:407:12
912.56:407:11
1012.56:417:11
1112.56:417:10
1212.56:417:10
1312.56:417:09
1412.56:417:09
1512.46:417:08
1612.46:417:08
1712.46:427:07
1812.46:427:07
1912.46:427:06
2012.46:427:06
2112.46:427:05
2212.46:427:04
2312.46:427:04
2412.36:427:03
2512.36:427:03
2612.36:427:02
2712.36:427:01
2812.36:427:01
2912.36:427:00
3012.36:426:59
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 5.47 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 5.47 kWh/m² to a high of 6.97 kWh/m² in April across the year — August's 5.47 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.4Bright
165.4Bright
175.4Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.7Bright
Planning a trip in August

Hazard calendar for Say

In seasonPeak

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

Say 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 Say?

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

3.4
Sightseeing
4th-best month of the year
5.3
Beach & pool
7th-best month of the year

August is a weaker month for outdoor sightseeing in Say.

What to pack for Say in August

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

In August, Say sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

UV index in Say 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 Say 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 Say 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 Say is worst in February — around 89 µg/m³ PM2.5 (unhealthy), about 6.0× the cleanest month (August, 15 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyFeb 1888 µg/m³Aug 1415 µg/m³
PM2.5 (µg/m³)Level
Jan78Unhealthy
Feb89Unhealthy
Mar85Unhealthy
Apr61Unhealthy
May35Moderate
Jun26Moderate
Jul17Moderate
Aug15Moderate
Sep20Moderate
Oct40Poor
Nov61Unhealthy
Dec71Unhealthy
Location & terrain

Where is Say?

Say sits at 13.1°N, 2.4°E, 181 m above sea level, in Niger. The nearest listed city is Kollo, 23 km away.

BaléyaraDiapaga

Topography around Say

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

Within 3 km, the terrain around Say has only modest variations in elevation — a maximum elevation change of 48 m around an average of 185 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 93 m; within 80 km, only modest variations in elevation — a maximum elevation change of 124 m.

The land around Say is covered by grassland (28%) and cropland (27%) within 3 km, grassland (60%) within 16 km, and grassland (61%) within 80 km.

3 km
48 m
16 km
93 m
80 km
124 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Kollo 23 km · Youri Kourtéré 29 km · Niamey 54 km · Birnin Gaouré 59 km · Torodi 62 km · Dosso 90 km · Baléyara 99 km · Diapaga 130 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 Say (13.1007°, 2.3689°, elevation 181 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).