Say in Spring
In spring (March, April and May), Say sees average daytime highs around 40°C and overnight lows near 27°C, with 17 mm of rain over about 5 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.
Across spring, daytime highs hold fairly steady around 40°C. The sky is clear or mostly clear about 47% of the time across spring, and the air most often feels dry.
Spring is Say's weakest season of the year to visit on our travel score. For the whole year in context, see Say's year-round climate.
- Avg daytime high
- 40°C
- warmest season of the year
- Avg overnight low
- 27°C
- Rainfall
- 17 mm
- 5 wet days
- Avg wind
- 11 km/h
- Travel score
- 0.4
- weakest season of the year
- Months
- Mar · Apr · May
Temperature in Say in Spring
Across spring, daytime highs hold fairly steady around 40°C.
A typical spring day in Say reaches about 40°C and drops to 27°C overnight. The warmest of the three months is April, the coolest March.
How spring really feels in Say
Once humidity and wind are folded in, spring brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.
The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Say weather by month
How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 32° / 17° | 0 | 0 | 11.3 | 5.6 |
| Feb | 35° / 20° | 0 | 0.1 | 11.6 | 3.5 |
| Mar | 39° / 24° | 2 | 0.4 | 11.9 | 1.0 |
| Apr | 41° / 27° | 3 | 1 | 12.3 | 0.0 |
| May | 40° / 29° | 12 | 3.2 | 12.6 | 0.3 |
| Jun | 37° / 27° | 30 | 6.8 | 12.8 | 1.9 |
| Jul | 33° / 25° | 78 | 13.2 | 12.7 | 3.1 |
| Aug | 32° / 24° | 152 | 17.6 | 12.4 | 3.4 |
| Sep | 33° / 25° | 60 | 9.3 | 12.1 | 3.3 |
| Oct | 37° / 25° | 12 | 3.1 | 11.7 | 2.0 |
| Nov | 36° / 20° | 0 | 0 | 11.4 | 2.6 |
| Dec | 33° / 18° | 0 | 0 | 11.2 | 4.8 |
Cloud cover in Spring
The sky is clear or mostly clear about 47% of the time across spring.
Chance of precipitation in Spring
Say gets around 17 mm of rain over 5 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 11 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 42 min in early March to 12 h 42 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 6.9 kWh/m².
Hazard calendar for Say
In spring, Say overlaps 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.
Is spring a good time to visit Say?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a weaker month for outdoor sightseeing in Say.
What to pack for Say in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Say sees daytime highs around 40°C and nights near 27°C. Pack light clothes and sun protection. About 5 days see rain.
UV index in Say in Spring
Clear-sky midday UV across spring averages around 11 (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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 10 | 11 | 13 | 10 | 10 | 11 | 11 | 13 | 12 | 11 | 9 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Very high |
| Feb | 11 | Extreme |
| Mar | 13 | Extreme |
| Apr | 10 | Extreme |
| May | 10 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 13 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in Say in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 78 | 89 | 85 | 61 | 35 | 26 | 17 | 15 | 20 | 40 | 61 | 71 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 78 | Unhealthy |
| Feb | 89 | Unhealthy |
| Mar | 85 | Unhealthy |
| Apr | 61 | Unhealthy |
| May | 35 | Moderate |
| Jun | 26 | Moderate |
| Jul | 17 | Moderate |
| Aug | 15 | Moderate |
| Sep | 20 | Moderate |
| Oct | 40 | Poor |
| Nov | 61 | Unhealthy |
| Dec | 71 | Unhealthy |
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.
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.
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
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.