Diffa weather in December

In December, Diffa sees average daytime highs of 31°C and overnight lows near 16°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 18 min at the start of December to 11 h 12 min by month's end. Set against the rest of the year, December is Diffa's 1st-clearest and 4th-windiest month. For the whole year in context, see Diffa's year-round climate.

Daytime high: 31°; 11th warmest
Overnight low: 16°; 2nd coldest
Rainfall: 0 mm; 0 wet days
Daylight: 11 h 12 min; 6:29 AM – 5:42 PM
Cloud cover: 27%; 1st clearest
Wind: 13 km/h; 4th windiest
Solar energy: 5.84 kWh/m²
Travel score: 6.2; out of 10

← November Diffa year-round climate January →Best places to visit in December

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

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 Diffa reaches about 31°C in the afternoon and slips back to 16°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 34°C. Set against its neighbours, December runs about 4°C cooler than November and on par with January.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	33	33	32	32	32	32	32	32	32	31	31	31	31	31	31	31	30	30	30	30	30	30	30	30	29	29	29	29	29	29	29
Avg low (°C)	17	17	17	17	17	17	17	17	17	16	16	16	16	16	16	16	16	15	15	15	15	15	15	15	15	15	14	14	14	14	14

	Avg high (°C)	Avg low (°C)
1	33	17
2	33	17
3	32	17
4	32	17
5	32	17
6	32	17
7	32	17
8	32	17
9	32	17
10	31	16
11	31	16
12	31	16
13	31	16
14	31	16
15	31	16
16	31	16
17	30	16
18	30	15
19	30	15
20	30	15
21	30	15
22	30	15
23	30	15
24	30	15
25	29	15
26	29	15
27	29	14
28	29	14
29	29	14
30	29	14
31	29	14

How December really feels in Diffa

Once humidity and wind are folded in, December averages 5 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

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

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

Diffa 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.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	30° / 15°	0	0	11.3	6.7
Feb	33° / 18°	0	0	11.6	4.5
Mar	38° / 22°	0	0	11.9	1.6
Apr	41° / 26°	1	0.2	12.3	0.0
May	41° / 27°	5	1.8	12.6	0.0
Jun	39° / 27°	13	3.6	12.8	0.7
Jul	35° / 26°	52	10.4	12.7	2.3
Aug	33° / 24°	115	15.2	12.4	3.1
Sep	36° / 25°	34	7.5	12.1	2.4
Oct	37° / 24°	4	1.4	11.7	1.7
Nov	35° / 20°	0	0	11.4	3.6
Dec	31° / 16°	0	0	11.2	6.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 70% of the time in December, the clearest month of the year.

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	76	76	76	76	76	76	76	77	77	78	79	79	79	81	81	81	81	83	83	83	83	84	84	84	84	83	84	84	84	84	84
Cloudier (%)	24	24	24	24	24	24	24	23	23	22	21	21	21	19	19	19	19	17	17	17	17	16	16	16	16	17	16	16	16	16	16

	Clearer (%)	Cloudier (%)
1	76	24
2	76	24
3	76	24
4	76	24
5	76	24
6	76	24
7	76	24
8	77	23
9	77	23
10	78	22
11	79	21
12	79	21
13	79	21
14	81	19
15	81	19
16	81	19
17	81	19
18	83	17
19	83	17
20	83	17
21	83	17
22	84	16
23	84	16
24	84	16
25	84	16
26	83	17
27	84	16
28	84	16
29	84	16
30	84	16
31	84	16

Chance of precipitation in December

Any precipitation

Diffa 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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

	Rain chance (%)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	0
27	0
28	0
29	0
30	0
31	0

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

Wind in December

Winds average 13 km/h in December.

Across December, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	12	12	12	12	12	12	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

	Wind speed (km/h)	Feels
1	12	light breeze
2	12	light breeze
3	12	light breeze
4	12	light breeze
5	12	light breeze
6	12	light breeze
7	13	light breeze
8	13	light breeze
9	13	light breeze
10	13	light breeze
11	13	light breeze
12	13	light breeze
13	13	light breeze
14	13	light breeze
15	13	light breeze
16	13	light breeze
17	13	light breeze
18	13	light breeze
19	13	light breeze
20	13	light breeze
21	13	light breeze
22	13	light breeze
23	13	light breeze
24	13	light breeze
25	13	light breeze
26	13	light breeze
27	13	light breeze
28	13	light breeze
29	13	light breeze
30	13	light breeze
31	13	light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 18 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 shrink by about 6 minutes over December. Sunrise moves from 6:21 AM to 6:36 AM, and sunset from 5:37 PM to 5:49 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	11.3	11.3	11.3	11.3	11.3	11.2	11.2	11.2	11.2	11.2	11.2	11.2	11.2	11.2	11.2	11.2	11.2	11.2	11.2	11.2	11.2	11.2	11.2	11.2	11.2	11.2	11.2	11.2	11.2	11.2	11.2
Sunrise (AM)	6:21	6:22	6:22	6:23	6:23	6:24	6:24	6:25	6:25	6:26	6:27	6:27	6:28	6:28	6:29	6:29	6:30	6:30	6:31	6:31	6:32	6:32	6:33	6:33	6:33	6:34	6:34	6:35	6:35	6:36	6:36
Sunset (PM)	5:37	5:38	5:38	5:38	5:38	5:39	5:39	5:39	5:40	5:40	5:40	5:41	5:41	5:41	5:42	5:42	5:43	5:43	5:44	5:44	5:44	5:45	5:45	5:46	5:46	5:47	5:47	5:48	5:48	5:49	5:49

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.3	6:21	5:37
2	11.3	6:22	5:38
3	11.3	6:22	5:38
4	11.3	6:23	5:38
5	11.3	6:23	5:38
6	11.2	6:24	5:39
7	11.2	6:24	5:39
8	11.2	6:25	5:39
9	11.2	6:25	5:40
10	11.2	6:26	5:40
11	11.2	6:27	5:40
12	11.2	6:27	5:41
13	11.2	6:28	5:41
14	11.2	6:28	5:41
15	11.2	6:29	5:42
16	11.2	6:29	5:42
17	11.2	6:30	5:43
18	11.2	6:30	5:43
19	11.2	6:31	5:44
20	11.2	6:31	5:44
21	11.2	6:32	5:44
22	11.2	6:32	5:45
23	11.2	6:33	5:45
24	11.2	6:33	5:46
25	11.2	6:33	5:46
26	11.2	6:34	5:47
27	11.2	6:34	5:47
28	11.2	6:35	5:48
29	11.2	6:35	5:48
30	11.2	6:36	5:49
31	11.2	6:36	5:49

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.84 kWh/m².

For context, solar energy here swings from a low near 5.77 kWh/m² to a high of 7.44 kWh/m² in April across the year — December's 5.84 kWh/m² sits near the bottom.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	6.0	6.0	5.9	5.9	5.9	5.9	5.9	5.9	5.9	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.8
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	6.0	Bright
2	6.0	Bright
3	5.9	Bright
4	5.9	Bright
5	5.9	Bright
6	5.9	Bright
7	5.9	Bright
8	5.9	Bright
9	5.9	Bright
10	5.8	Bright
11	5.8	Bright
12	5.8	Bright
13	5.8	Bright
14	5.8	Bright
15	5.8	Bright
16	5.8	Bright
17	5.8	Bright
18	5.8	Bright
19	5.8	Bright
20	5.8	Bright
21	5.8	Bright
22	5.8	Bright
23	5.8	Bright
24	5.8	Bright
25	5.8	Bright
26	5.8	Bright
27	5.8	Bright
28	5.8	Bright
29	5.8	Bright
30	5.8	Bright
31	5.8	Bright

Planning a trip in December

Hazard calendar for Diffa

In seasonPeak

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

Diffa 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 Diffa?

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

6.2

Sightseeing

2nd-best month of the year

8.8

Beach & pool

2nd-best month of the year

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

What to pack for Diffa in December

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

In December, Diffa sees daytime highs around 31°C and nights near 16°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Diffa 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 Diffa peaks around August 18 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 7 (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	12	11	10	10	11	13	11	11	9	7
Level	Very high	Extreme	Extreme	Extreme	Very high	Very high	Extreme	Extreme	Extreme	Extreme	Very high	High

	UV index (midday)	Level
Jan	10	Very high
Feb	11	Extreme
Mar	12	Extreme
Apr	11	Extreme
May	10	Very high
Jun	10	Very high
Jul	11	Extreme
Aug	13	Extreme
Sep	11	Extreme
Oct	11	Extreme
Nov	9	Very high
Dec	7	High

Air quality in Diffa 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 Diffa is worst in February — around 122 µg/m³ PM2.5 (unhealthy), about 4.8× the cleanest month (August, 25 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)	117	122	109	81	56	49	34	25	29	60	75	112
Level	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Unhealthy	Poor	Moderate	Moderate	Moderate	Unhealthy	Unhealthy	Unhealthy

	PM2.5 (µg/m³)	Level
Jan	117	Unhealthy
Feb	122	Unhealthy
Mar	109	Unhealthy
Apr	81	Unhealthy
May	56	Unhealthy
Jun	49	Poor
Jul	34	Moderate
Aug	25	Moderate
Sep	29	Moderate
Oct	60	Unhealthy
Nov	75	Unhealthy
Dec	112	Unhealthy

Location & terrain

Where is Diffa?

Diffa sits at 13.3°N, 12.6°E, 311 m above sea level, in Niger. The nearest listed city is Maïné Soroa, 65 km away.

Topography around Diffa

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

Within 3 km, the terrain around Diffa has only modest variations in elevation — a maximum elevation change of 10 m around an average of 303 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 12 m; within 80 km, only modest variations in elevation — a maximum elevation change of 72 m.

The land around Diffa is covered by grassland (35%), cropland (24%) and artificial surfaces (23%) within 3 km, grassland (71%) within 16 km, and grassland (90%) within 80 km.

3 km

10 m

grassland 35%

16 km

12 m

grassland 71%

80 km

72 m

grassland 90%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland

← November Diffa year-round climate January →Best places to visit in December

December weather nearby: Maïné Soroa 65 km · Geidam 88 km · Kukawa 112 km · Nguigmi 117 km · Monguno 130 km · Magumeri 136 km · Marte 169 km · Maiduguri 174 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 Diffa (13.3154°, 12.6113°, elevation 311 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).

	Avg high (°C)	Avg low (°C)
1	33	17
2	33	17
3	32	17
4	32	17
5	32	17
6	32	17
7	32	17
8	32	17
9	32	17
10	31	16
11	31	16
12	31	16
13	31	16
14	31	16
15	31	16
16	31	16
17	30	16
18	30	15
19	30	15
20	30	15
21	30	15
22	30	15
23	30	15
24	30	15
25	29	15
26	29	15
27	29	14
28	29	14
29	29	14
30	29	14
31	29	14

	Clearer (%)	Cloudier (%)
1	76	24
2	76	24
3	76	24
4	76	24
5	76	24
6	76	24
7	76	24
8	77	23
9	77	23
10	78	22
11	79	21
12	79	21
13	79	21
14	81	19
15	81	19
16	81	19
17	81	19
18	83	17
19	83	17
20	83	17
21	83	17
22	84	16
23	84	16
24	84	16
25	84	16
26	83	17
27	84	16
28	84	16
29	84	16
30	84	16
31	84	16

	Rain chance (%)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	0
27	0
28	0
29	0
30	0
31	0

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	33	17
2	33	17
3	32	17
4	32	17
5	32	17
6	32	17
7	32	17
8	32	17
9	32	17
10	31	16
11	31	16
12	31	16
13	31	16
14	31	16
15	31	16
16	31	16
17	30	16
18	30	15
19	30	15
20	30	15
21	30	15
22	30	15
23	30	15
24	30	15
25	29	15
26	29	15
27	29	14
28	29	14
29	29	14
30	29	14
31	29	14

	Clearer (%)	Cloudier (%)
1	76	24
2	76	24
3	76	24
4	76	24
5	76	24
6	76	24
7	76	24
8	77	23
9	77	23
10	78	22
11	79	21
12	79	21
13	79	21
14	81	19
15	81	19
16	81	19
17	81	19
18	83	17
19	83	17
20	83	17
21	83	17
22	84	16
23	84	16
24	84	16
25	84	16
26	83	17
27	84	16
28	84	16
29	84	16
30	84	16
31	84	16

	Rain chance (%)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	0
27	0
28	0
29	0
30	0
31	0

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	33	17
2	33	17
3	32	17
4	32	17
5	32	17
6	32	17
7	32	17
8	32	17
9	32	17
10	31	16
11	31	16
12	31	16
13	31	16
14	31	16
15	31	16
16	31	16
17	30	16
18	30	15
19	30	15
20	30	15
21	30	15
22	30	15
23	30	15
24	30	15
25	29	15
26	29	15
27	29	14
28	29	14
29	29	14
30	29	14
31	29	14

	Clearer (%)	Cloudier (%)
1	76	24
2	76	24
3	76	24
4	76	24
5	76	24
6	76	24
7	76	24
8	77	23
9	77	23
10	78	22
11	79	21
12	79	21
13	79	21
14	81	19
15	81	19
16	81	19
17	81	19
18	83	17
19	83	17
20	83	17
21	83	17
22	84	16
23	84	16
24	84	16
25	84	16
26	83	17
27	84	16
28	84	16
29	84	16
30	84	16
31	84	16

	Rain chance (%)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	0
27	0
28	0
29	0
30	0
31	0

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100