Say weather in March

In March, Say sees average daytime highs of 39°C and overnight lows near 24°C, with 2 mm of rain across 0.4 wet days and about 11.9 hours of daylight. It is the 3rd-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 37°C in the first days to 40°C by the end. The sky is clear or mostly clear about 52% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 h 42 min at the start of March to 12 h 06 min by month's end. Set against the rest of the year, March is Say's 6th-clearest and 6th-windiest month. For the whole year in context, see Say's year-round climate.

Daytime high
39°
3rd warmest
Overnight low
24°
5th coldest
Rainfall
2 mm
0.4 wet days
Daylight
11 h 54 min
7:03 AM – 6:57 PM
Cloud cover
41%
6th clearest
Wind
11 km/h
6th windiest
Solar energy
6.87 kWh/m²
Travel score
1.0
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 37°C in the first days to 40°C by the end.

A typical March day in Say reaches about 39°C in the afternoon and slips back to 24°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 35°C and 41°C. Set against its neighbours, March runs about 4°C warmer than February and about 2°C cooler than April.

20°30°40°151015202531
Avg high (°C)Avg low (°C)
13722
23722
33723
43723
53723
63723
73823
83823
93823
103823
113823
123824
133824
143824
153824
163924
173924
183924
193924
203925
213925
223925
233925
243925
253925
264025
274025
284025
294025
304026
314026

How March really feels in Say

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

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

Say weather by month

How March compares with the rest of the year at a glance. March is the 3rd-warmest and 8th-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 15% of March, with mostly cloudy or overcast conditions the remaining 33%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17822
27723
37624
47624
57525
67525
77327
87327
97228
107129
117129
126931
136931
146733
156634
166535
176436
186337
196337
206238
216238
226139
236139
246139
256139
266139
276139
286139
296238
306238
316337

Chance of precipitation in March

Any precipitation

Say gets around 2 mm of rain over 0.4 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 2% and peaks near 2% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
20
31
41
51
61
71
81
91
101
111
121
131
141
152
162
172
182
192
202
212
222
232
242
252
262
272
282
292
302
312

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the dry band about 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
197111
296211
396211
496211
596211
696211
796211
896211
996211
1095311
1195311
1294321
1394321
1494321
1593421
1693421
1792422
1891432
1991432
2091432
2191432
2291432
2391432
2491432
2589533
2689533
2788543
2888543
2986644
3085654
3184754

Wind in March

Winds average 11 km/h in March.

Across March, 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
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3010calm
3110calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 42 min at the start of March to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over March. Sunrise moves from 7:12 AM to 6:53 AM, and sunset from 6:56 PM to 6:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.77:126:56
211.77:116:56
311.77:116:56
411.87:106:56
511.87:106:56
611.87:096:56
711.87:096:56
811.87:086:57
911.87:076:57
1011.87:076:57
1111.87:066:57
1211.97:066:57
1311.97:056:57
1411.97:046:57
1511.97:046:57
1611.97:036:57
1711.97:026:58
1811.97:026:58
1911.97:016:58
2012.07:006:58
2112.07:006:58
2212.06:596:58
2312.06:586:58
2412.06:576:58
2512.06:576:58
2612.06:566:58
2712.06:556:58
2812.16:556:58
2912.16:546:58
3012.16:536:58
3112.16:536:58

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 6.87 kWh/m².

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 — March's 6.87 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
16.6Intense
26.7Intense
36.7Intense
46.7Intense
56.7Intense
66.7Intense
76.7Intense
86.8Intense
96.8Intense
106.8Intense
116.8Intense
126.8Intense
136.8Intense
146.8Intense
156.8Intense
166.8Intense
176.9Intense
186.9Intense
196.9Intense
206.9Intense
216.9Intense
226.9Intense
237.0Intense
247.0Intense
257.0Intense
267.0Intense
277.0Intense
287.0Intense
297.0Intense
307.0Intense
317.0Intense
Planning a trip in March

Hazard calendar for Say

In seasonPeak

In March, 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 March a good time to visit Say?

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

1.0
Sightseeing
10th-best month of the year
4.2
Beach & pool
10th-best month of the year

March is a weaker month for outdoor sightseeing in Say.

What to pack for Say in March

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

In March, Say sees daytime highs around 39°C and nights near 24°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Say in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March 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 March

GoodModeratePoorUnhealthyVery unhealthy

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