Mirriah weather in December

In December, Mirriah sees average daytime highs of 30°C and overnight lows near 15°C, with 0 mm of rain across 0 wet days and about 11.2 hours of daylight. It is the 11th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 32°C in the first days to 29°C by the end. The sky is clear or mostly clear about 70% of the time in December, and the air most often feels dry.

Daylight stretches from about 11 h 12 min at the start of December to 11 h 12 min by month's end. Set against the rest of the year, December is Mirriah's 2nd-clearest and 3rd-windiest month. For the whole year in context, see Mirriah's year-round climate.

Daytime high
30°
11th warmest
Overnight low
15°
2nd coldest
Rainfall
0 mm
0 wet days
Daylight
11 h 12 min
6:44 AM – 5:55 PM
Cloud cover
26%
2nd clearest
Wind
15 km/h
3rd windiest
Solar energy
5.79 kWh/m²
Travel score
6.5
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 32°C in the first days to 29°C by the end.

A typical December day in Mirriah reaches about 30°C in the afternoon and slips back to 15°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 34°C. Set against its neighbours, December runs about 4°C cooler than November and about 1°C warmer than January.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
13217
23217
33216
43216
53216
63216
73116
83116
93116
103116
113116
123115
133115
143015
153015
163015
173015
183015
193015
203014
212914
222914
232914
242914
252914
262914
272914
282914
292914
302814
312814

How December really feels in Mirriah

Once humidity and wind are folded in, December averages 3 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
3
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Mirriah weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 14°0011.37.1
Feb33° / 17°0011.54.9
Mar37° / 21°0011.92.1
Apr40° / 25°10.312.30.2
May40° / 27°61.912.60.1
Jun38° / 27°154.212.81.1
Jul34° / 25°7313.112.72.6
Aug32° / 24°13516.512.53.3
Sep35° / 24°376.612.12.8
Oct37° / 23°40.911.72.1
Nov34° / 19°0011.43.9
Dec30° / 15°0011.26.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 70% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 19%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17921
27921
37822
47822
57822
67822
77822
87822
97822
107921
117921
127921
138020
148119
158119
168218
178119
188218
198218
208317
218416
228416
238515
248515
258416
268416
278416
288416
298416
308416
318416

Chance of precipitation in December

Any precipitation

Mirriah gets around 0 mm of rain over 0 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 0% and peaks near 0% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in December

Winds average 15 km/h in December.

Across December, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in December

DaylightNight

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

Days grow by about 0 minutes over December. Sunrise moves from 6:36 AM to 6:51 AM, and sunset from 5:51 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:365:51
211.26:365:51
311.26:375:51
411.26:375:51
511.26:385:52
611.26:385:52
711.26:395:52
811.26:395:52
911.26:405:53
1011.26:415:53
1111.26:415:53
1211.26:425:54
1311.26:425:54
1411.26:435:55
1511.26:435:55
1611.26:445:55
1711.26:445:56
1811.26:455:56
1911.26:455:57
2011.26:465:57
2111.26:465:58
2211.26:475:58
2311.26:475:59
2411.26:485:59
2511.26:486:00
2611.26:486:00
2711.26:496:01
2811.26:496:01
2911.26:506:02
3011.26:506:02
3111.26:516:03

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.79 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 5.79 kWh/m² to a high of 7.46 kWh/m² in April across the year — December's 5.79 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in December

Hazard calendar for Mirriah

In seasonPeak

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

Mirriah sees dust haze year-round, heaviest in April.

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

Is December a good time to visit Mirriah?

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

6.5
Sightseeing
2nd-best month of the year
8.9
Beach & pool
2nd-best month of the year

December is a reasonable time to visit Mirriah for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Mirriah in December

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

In December, Mirriah sees daytime highs around 30°C and nights near 15°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Mirriah in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mirriah peaks around August 14 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highExtremeVery highAug 14UV 12Dec 17UV 7
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar11Extreme
Apr12Extreme
May9Very high
Jun10Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec7Very high

Air quality in Mirriah in December

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Mirriah is worst in February — around 103 µg/m³ PM2.5 (unhealthy), about 3.9× the cleanest month (August, 26 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyFeb 13102 µg/m³Aug 1627 µg/m³
PM2.5 (µg/m³)Level
Jan98Unhealthy
Feb103Unhealthy
Mar96Unhealthy
Apr81Unhealthy
May63Unhealthy
Jun54Poor
Jul35Moderate
Aug26Moderate
Sep35Poor
Oct57Unhealthy
Nov65Unhealthy
Dec91Unhealthy
Location & terrain

Where is Mirriah?

Mirriah sits at 13.7°N, 9.2°E, 407 m above sea level, in Niger. The nearest listed city is Zinder, 21 km away.

DauraGumelGouréTessaouaGazaoua

Topography around Mirriah

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

Within 3 km, the terrain around Mirriah has only modest variations in elevation — a maximum elevation change of 47 m around an average of 413 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 147 m; within 80 km, significant variations in elevation — a maximum elevation change of 287 m.

The land around Mirriah is covered by grassland (60%) and cropland (30%) within 3 km, cropland (50%) and grassland (47%) within 16 km, and grassland (55%) and cropland (44%) within 80 km.

3 km
47 m
16 km
147 m
80 km
287 m
shrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Zinder 21 km · Matamey 80 km · Magaria 83 km · Daura 117 km · Gumel 123 km · Gouré 125 km · Tessaoua 126 km · Gazaoua 135 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 Mirriah (13.7073°, 9.1501°, elevation 407 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).