Say weather in April

In April, Say sees average daytime highs of 41°C and overnight lows near 27°C, with 3 mm of rain across 1 wet days and about 12.3 hours of daylight. It is the 1st-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 41°C through the month. The sky is clear or mostly clear about 43% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 06 min at the start of April to 12 h 24 min by month's end. Set against the rest of the year, April is Say's 8th-clearest and 8th-windiest month. For the whole year in context, see Say's year-round climate.

Daytime high
41°
1st warmest
Overnight low
27°
11th coldest
Rainfall
3 mm
1 wet days
Daylight
12 h 18 min
6:42 AM – 7:00 PM
Cloud cover
49%
8th clearest
Wind
10 km/h
8th windiest
Solar energy
6.97 kWh/m²
Travel score
0.0
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 41°C through the month.

A typical April day in Say reaches about 41°C in the afternoon and slips back to 27°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 38°C and 42°C. Set against its neighbours, April runs about 2°C warmer than March and about 1°C warmer than May.

20°25°30°35°40°45°151015202530
Avg high (°C)Avg low (°C)
14026
24026
34026
44026
54026
64026
74026
84027
94127
104127
114127
124127
134127
144127
154128
164128
174128
184128
194128
204128
214128
224128
234128
244128
254129
264129
274129
284129
294129
304129

How April really feels in Say

Once humidity and wind are folded in, April 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
30 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

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

Say weather by month

How April compares with the rest of the year at a glance. April is the 1st-warmest and 7th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 18% of April, with mostly cloudy or overcast conditions the remaining 39%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16337
26337
36337
46337
56436
66436
76436
86436
96337
106337
116337
126337
136238
146238
156238
166139
176139
186139
196040
206040
216040
226040
236040
246040
255941
265941
275941
285941
295941
305842

Chance of precipitation in April

Any precipitation

Say gets around 3 mm of rain over 1 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 3% and peaks near 5% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
12
22
32
42
52
62
72
83
93
103
113
123
133
143
153
163
174
184
194
204
214
224
234
244
254
264
275
285
295
305

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 50% of days. Sticky, muggy-or-worse air turns up on roughly 19% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1827650
2817750
3798850
4778960
57591060
67391170
77191280
869101380
967101490
10631016101
11611017111
12581118121
13561119131
14531121141
15511122151
16491123161
17461124171
18431225182
19411226192
20381227212
21361228222
22331228243
23311229263
24291229283
25271129294
26241129314
27231129335
28211128355
29191028375
30171028396

Wind in April

Winds average 10 km/h in April.

Across April, 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.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 06 min at the start of April to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over April. Sunrise moves from 6:52 AM to 6:34 AM, and sunset from 6:58 PM to 7:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:526:58
212.16:516:59
312.16:516:59
412.16:506:59
512.26:496:59
612.26:486:59
712.26:486:59
812.26:476:59
912.26:466:59
1012.26:466:59
1112.26:456:59
1212.26:456:59
1312.36:446:59
1412.36:436:59
1512.36:436:59
1612.36:427:00
1712.36:417:00
1812.36:417:00
1912.36:407:00
2012.36:407:00
2112.36:397:00
2212.46:387:00
2312.46:387:00
2412.46:377:00
2512.46:377:01
2612.46:367:01
2712.46:367:01
2812.46:357:01
2912.46:357:01
3012.46:347:01

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.97 kWh/m² — the sunniest month for solar.

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 — April's 6.97 kWh/m² sits near the top of that range.

02468151015202530
Solar energy (kWh/m²)Level
17.0Intense
27.0Intense
37.0Intense
47.0Intense
57.0Intense
67.0Intense
77.0Intense
87.0Intense
97.0Intense
107.0Intense
117.0Intense
127.0Intense
137.0Intense
147.0Intense
157.0Intense
167.0Intense
177.0Intense
187.0Intense
197.0Intense
206.9Intense
216.9Intense
226.9Intense
236.9Intense
246.9Intense
256.9Intense
266.9Intense
276.8Intense
286.8Intense
296.8Intense
306.8Intense
Planning a trip in April

Hazard calendar for Say

In seasonPeak

In April, Say sits inside its dust season. The full year is below, with each hazard's peak months called out.

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

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

Is April a good time to visit Say?

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

0.0
Sightseeing
12th-best month of the year
2.6
Beach & pool
12th-best month of the year

April is a weaker month for outdoor sightseeing in Say.

What to pack for Say in April

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

In April, Say sees daytime highs around 41°C and nights near 27°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Say in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 10 (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 April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April 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
April 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).