T’īs Isat weather in December

In December, T’īs Isat sees average daytime highs of 25°C and overnight lows near 13°C, with 4 mm of rain across 1 wet days and about 11.3 hours of daylight. It is the 6th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 76% of the time in December, and the air most often feels dry.

Daylight stretches from about 11 h 24 min at the start of December to 11 h 18 min by month's end. Set against the rest of the year, December is T’īs Isat's 1st-clearest and 6th-windiest month. For the whole year in context, see T’īs Isat's year-round climate.

Daytime high: 25°; 6th warmest
Overnight low: 13°; 2nd coldest
Rainfall: 4 mm; 1 wet days
Daylight: 11 h 18 min; 6:46 AM – 6:06 PM
Cloud cover: 27%; 1st clearest
Wind: 6 km/h; 6th windiest
Solar energy: 5.61 kWh/m²
Travel score: 8.9; out of 10

← November T’īs Isat 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

Day-to-day highs hold fairly steady near 25°C through the month.

A typical December day in T’īs Isat reaches about 25°C in the afternoon and slips back to 13°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 26°C. Set against its neighbours, December runs on par with November and about 1°C cooler than 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)	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25
Avg low (°C)	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14

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

T’īs Isat weather by month

How December compares with the rest of the year at a glance. December is the 6th-warmest and 11th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	26° / 14°	3	0.7	11.4	8.7
Feb	27° / 15°	4	0.9	11.6	8.2
Mar	28° / 16°	16	3.1	11.9	7.5
Apr	28° / 17°	26	5.8	12.2	6.9
May	26° / 17°	102	15	12.5	6.0
Jun	24° / 15°	284	26.1	12.7	4.3
Jul	21° / 15°	521	30.9	12.6	3.4
Aug	21° / 15°	524	30.9	12.4	3.4
Sep	22° / 14°	248	26.6	12.1	4.3
Oct	24° / 14°	58	11.3	11.7	7.1
Nov	24° / 13°	15	3.5	11.5	8.6
Dec	25° / 13°	4	1	11.3	8.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 76% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 11%.

	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 (%)	89	89	89	89	89	90	90	90	90	90	89	89	90	90	90	90	90	90	90	90	90	90	89	89	89	88	88	88	88	88	87
Cloudier (%)	11	11	11	11	11	10	10	10	10	10	11	11	10	10	10	10	10	10	10	10	10	10	11	11	11	12	12	12	12	12	13

	Clearer (%)	Cloudier (%)
1	89	11
2	89	11
3	89	11
4	89	11
5	89	11
6	90	10
7	90	10
8	90	10
9	90	10
10	90	10
11	89	11
12	89	11
13	90	10
14	90	10
15	90	10
16	90	10
17	90	10
18	90	10
19	90	10
20	90	10
21	90	10
22	90	10
23	89	11
24	89	11
25	89	11
26	88	12
27	88	12
28	88	12
29	88	12
30	88	12
31	87	13

Chance of precipitation in December

Any precipitation

T’īs Isat gets around 4 mm of rain over 1 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 4% and peaks near 6% 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 (%)	6	6	5	5	5	4	4	4	4	4	4	4	4	4	4	4	3	3	3	3	3	3	3	3	3	3	2	2	2	2	2

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

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 95% 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 (%)	91	91	91	92	92	92	93	93	93	94	94	94	95	95	95	96	96	97	97	97	97	98	98	98	98	98	98	99	99	99	99
Comfortable (%)	9	9	9	8	8	8	7	7	7	6	6	6	5	5	5	4	4	3	3	3	3	2	2	2	2	2	2	1	1	1	1

	Dry (%)	Comfortable (%)
1	91	9
2	91	9
3	91	9
4	92	8
5	92	8
6	92	8
7	93	7
8	93	7
9	93	7
10	94	6
11	94	6
12	94	6
13	95	5
14	95	5
15	95	5
16	96	4
17	96	4
18	97	3
19	97	3
20	97	3
21	97	3
22	98	2
23	98	2
24	98	2
25	98	2
26	98	2
27	98	2
28	99	1
29	99	1
30	99	1
31	99	1

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 7 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)	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	7	7	7	7	7
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

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

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 24 min at the start of December to 11 h 18 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 6:38 AM to 6:53 AM, and sunset from 6:01 PM to 6:13 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)	11.4	11.4	11.4	11.4	11.4	11.4	11.4	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3	11.3
Sunrise (AM)	6:38	6:39	6:39	6:40	6:40	6:41	6:41	6:42	6:42	6:43	6:43	6:44	6:44	6:45	6:45	6:46	6:46	6:47	6:47	6:48	6:48	6:49	6:49	6:50	6:50	6:51	6:51	6:52	6:52	6:52	6:53
Sunset (PM)	6:01	6:01	6:01	6:01	6:02	6:02	6:02	6:03	6:03	6:03	6:04	6:04	6:05	6:05	6:05	6:06	6:06	6:07	6:07	6:07	6:08	6:08	6:09	6:09	6:10	6:10	6:11	6:11	6:12	6:12	6:13

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.4	6:38	6:01
2	11.4	6:39	6:01
3	11.4	6:39	6:01
4	11.4	6:40	6:01
5	11.4	6:40	6:02
6	11.4	6:41	6:02
7	11.4	6:41	6:02
8	11.3	6:42	6:03
9	11.3	6:42	6:03
10	11.3	6:43	6:03
11	11.3	6:43	6:04
12	11.3	6:44	6:04
13	11.3	6:44	6:05
14	11.3	6:45	6:05
15	11.3	6:45	6:05
16	11.3	6:46	6:06
17	11.3	6:46	6:06
18	11.3	6:47	6:07
19	11.3	6:47	6:07
20	11.3	6:48	6:07
21	11.3	6:48	6:08
22	11.3	6:49	6:08
23	11.3	6:49	6:09
24	11.3	6:50	6:09
25	11.3	6:50	6:10
26	11.3	6:51	6:10
27	11.3	6:51	6:11
28	11.3	6:52	6:11
29	11.3	6:52	6:12
30	11.3	6:52	6:12
31	11.3	6:53	6:13

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.61 kWh/m².

For context, solar energy here swings from a low near 4.4 kWh/m² to a high of 6.71 kWh/m² in April across the year — December's 5.61 kWh/m² falls in the middle.

	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)	5.7	5.7	5.7	5.7	5.7	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.7	5.7	5.7
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	5.7	Bright
2	5.7	Bright
3	5.7	Bright
4	5.7	Bright
5	5.7	Bright
6	5.6	Bright
7	5.6	Bright
8	5.6	Bright
9	5.6	Bright
10	5.6	Bright
11	5.6	Bright
12	5.6	Bright
13	5.6	Bright
14	5.6	Bright
15	5.6	Bright
16	5.6	Bright
17	5.6	Bright
18	5.6	Bright
19	5.6	Bright
20	5.6	Bright
21	5.6	Bright
22	5.6	Bright
23	5.6	Bright
24	5.6	Bright
25	5.6	Bright
26	5.6	Bright
27	5.6	Bright
28	5.6	Bright
29	5.7	Bright
30	5.7	Bright
31	5.7	Bright

Planning a trip in December

Hazard calendar for T’īs Isat

In seasonPeak

None of T’īs Isat's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

T’īs Isat's monsoon runs June–September, when most of the year's rain falls.

Monsoon

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is December a good time to visit T’īs Isat?

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

8.9

Sightseeing

1st-best month of the year

8.0

Beach & pool

4th-best month of the year

December is one of the better times to visit T’īs Isat for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for T’īs Isat in December

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

In December, T’īs Isat sees daytime highs around 25°C and nights near 13°C. Worth packing: light clothes and sun protection.

light clothessun protection

UV index in T’īs Isat in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December 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 T’īs Isat peaks around March 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 at about 10 (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)	11	13	15	15	13	12	12	14	13	13	10	10
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high

	UV index (midday)	Level
Jan	11	Extreme
Feb	13	Extreme
Mar	15	Extreme
Apr	15	Extreme
May	13	Extreme
Jun	12	Extreme
Jul	12	Extreme
Aug	14	Extreme
Sep	13	Extreme
Oct	13	Extreme
Nov	10	Extreme
Dec	10	Very high

Air quality in T’īs Isat 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 T’īs Isat is worst in October — around 41 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	37	37	35	32	28	32	27	27	36	41	41	39
Level	Poor	Poor	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Poor	Poor	Poor	Poor

	PM2.5 (µg/m³)	Level
Jan	37	Poor
Feb	37	Poor
Mar	35	Moderate
Apr	32	Moderate
May	28	Moderate
Jun	32	Moderate
Jul	27	Moderate
Aug	27	Moderate
Sep	36	Poor
Oct	41	Poor
Nov	41	Poor
Dec	39	Poor

Location & terrain

Where is T’īs Isat?

T’īs Isat sits at 11.5°N, 37.6°E, 1,645 m above sea level, in Ethiopia. The nearest listed city is Bahir Dar, 24 km away.

Topography around T’īs Isat

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of T’īs Isat.

Within 3 km, the terrain around T’īs Isat has significant variations in elevation — a maximum elevation change of 333 m around an average of 1,655 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,049 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,849 m.

The land around T’īs Isat is covered by cropland (78%) within 3 km, cropland (70%) within 16 km, and cropland (71%) within 80 km.

3 km

333 m

cropland 78%

16 km

1,049 m

cropland 70%

80 km

2,849 m

cropland 71%

treesshrubsgrasslandcroplandartificial surfaceswaterwetland

← November T’īs Isat year-round climate January →Best places to visit in December

December weather nearby: Bahir Dar 24 km · Ādēt 26 km · Mer’āwī 46 km · Werota 50 km · Mot’a 54 km · Debre Tabor 62 km · Gurbetē 70 km · Ādīs Zemen 74 km

Ethiopia travel facts

Travel advisory: Level 3; Reconsider Travel
Power plugs: Type C / E / F / L; 220 V · 50 Hz
Prices: ≈ 37% of US; price level, 2025
GDP per capita: $933; 2025
Happiness: 4.0 / 10; World Happiness, 2025
Safe drinking water: 14%; of population, 2024
Homicide rate: 8.5; per 100k, 2012
Road deaths: 28.2; per 100k/yr, 2019
Income group: Low; World Bank
English: Low; EF EPI 499
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 T’īs Isat (11.4833°, 37.5833°, elevation 1,645 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	25	13
2	25	13
3	25	13
4	25	13
5	25	13
6	25	13
7	25	13
8	25	13
9	25	13
10	25	13
11	25	13
12	25	13
13	25	13
14	25	13
15	25	13
16	25	13
17	25	14
18	25	14
19	25	14
20	25	14
21	25	14
22	25	14
23	25	14
24	25	14
25	25	14
26	25	14
27	25	14
28	25	14
29	25	14
30	25	14
31	25	14

	Clearer (%)	Cloudier (%)
1	89	11
2	89	11
3	89	11
4	89	11
5	89	11
6	90	10
7	90	10
8	90	10
9	90	10
10	90	10
11	89	11
12	89	11
13	90	10
14	90	10
15	90	10
16	90	10
17	90	10
18	90	10
19	90	10
20	90	10
21	90	10
22	90	10
23	89	11
24	89	11
25	89	11
26	88	12
27	88	12
28	88	12
29	88	12
30	88	12
31	87	13

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

	Dry (%)	Comfortable (%)
1	91	9
2	91	9
3	91	9
4	92	8
5	92	8
6	92	8
7	93	7
8	93	7
9	93	7
10	94	6
11	94	6
12	94	6
13	95	5
14	95	5
15	95	5
16	96	4
17	96	4
18	97	3
19	97	3
20	97	3
21	97	3
22	98	2
23	98	2
24	98	2
25	98	2
26	98	2
27	98	2
28	99	1
29	99	1
30	99	1
31	99	1

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

	Clearer (%)	Cloudier (%)
1	89	11
2	89	11
3	89	11
4	89	11
5	89	11
6	90	10
7	90	10
8	90	10
9	90	10
10	90	10
11	89	11
12	89	11
13	90	10
14	90	10
15	90	10
16	90	10
17	90	10
18	90	10
19	90	10
20	90	10
21	90	10
22	90	10
23	89	11
24	89	11
25	89	11
26	88	12
27	88	12
28	88	12
29	88	12
30	88	12
31	87	13

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

	Dry (%)	Comfortable (%)
1	91	9
2	91	9
3	91	9
4	92	8
5	92	8
6	92	8
7	93	7
8	93	7
9	93	7
10	94	6
11	94	6
12	94	6
13	95	5
14	95	5
15	95	5
16	96	4
17	96	4
18	97	3
19	97	3
20	97	3
21	97	3
22	98	2
23	98	2
24	98	2
25	98	2
26	98	2
27	98	2
28	99	1
29	99	1
30	99	1
31	99	1

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

	Clearer (%)	Cloudier (%)
1	89	11
2	89	11
3	89	11
4	89	11
5	89	11
6	90	10
7	90	10
8	90	10
9	90	10
10	90	10
11	89	11
12	89	11
13	90	10
14	90	10
15	90	10
16	90	10
17	90	10
18	90	10
19	90	10
20	90	10
21	90	10
22	90	10
23	89	11
24	89	11
25	89	11
26	88	12
27	88	12
28	88	12
29	88	12
30	88	12
31	87	13

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

	Dry (%)	Comfortable (%)
1	91	9
2	91	9
3	91	9
4	92	8
5	92	8
6	92	8
7	93	7
8	93	7
9	93	7
10	94	6
11	94	6
12	94	6
13	95	5
14	95	5
15	95	5
16	96	4
17	96	4
18	97	3
19	97	3
20	97	3
21	97	3
22	98	2
23	98	2
24	98	2
25	98	2
26	98	2
27	98	2
28	99	1
29	99	1
30	99	1
31	99	1