Ar Rumaythah weather in December

In December, Ar Rumaythah sees average daytime highs of 20°C and overnight lows near 9°C, with 17 mm of rain across 3.4 wet days and about 10 hours of daylight. It is the 11th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 19°C by the end. The sky is clear or mostly clear about 61% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 06 min at the start of December to 10 hours by month's end. Set against the rest of the year, December is Ar Rumaythah's 12th-clearest and 11th-windiest month. For the whole year in context, see Ar Rumaythah's year-round climate.

Daytime high
20°
11th warmest
Overnight low
2nd coldest
Rainfall
17 mm
3.4 wet days
Daylight
10 hours
6:57 AM – 4:54 PM
Cloud cover
35%
12th clearest
Wind
13 km/h
11th windiest
Solar energy
3.2 kWh/m²
Travel score
7.6
out of 10

Ar Rumaythah is city in Al Muthanna Governorate, Iraq.

Founded
1820

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 21°C in the first days to 19°C by the end.

A typical December day in Ar Rumaythah reaches about 20°C in the afternoon and slips back to 9°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 24°C. Set against its neighbours, December runs about 6°C cooler than November and about 2°C warmer than January.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12211
22211
32110
42110
52110
62110
72110
82110
92010
102010
11209
12209
13209
14209
15209
16199
17199
18199
19199
20198
21198
22198
23198
24198
25198
26198
27198
28198
29198
30198
31198

How December really feels in Ar Rumaythah

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

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Ar Rumaythah weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan18° / 223.710.27.2
Feb21° / 10°122.710.88.2
Mar27° / 14°122.411.88.1
Apr33° / 20°102.312.74.5
May39° / 25°40.713.60.8
Jun44° / 29°00140.0
Jul46° / 31°0013.80.0
Aug46° / 31°0013.20.0
Sep43° / 27°00.112.20.0
Oct36° / 22°30.711.22.8
Nov26° / 14°172.810.47.9
Dec20° / 173.4107.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 61% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 27%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27426
37426
47426
57426
67426
77426
87525
97525
107525
117525
127525
137525
147525
157525
167525
177426
187426
197426
207327
217327
227228
237228
247129
257030
266931
276931
286931
296931
306931
316931

Chance of precipitation in December

Any precipitation

Ar Rumaythah gets around 17 mm of rain over 3.4 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 11% and peaks near 13% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
112
212
312
412
512
613
713
813
913
1013
1113
1213
1313
1413
1513
1612
1712
1812
1911
2011
2111
2210
2310
249
259
269
279
289
299
309
319

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 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19082
29181
39271
49271
59361
69361
79451
89451
99541
109541
119631
129730
139820
149820
159820
169820
179910
189910
199910
209910
219910
229910
239910
249910
259910
269910
279910
289910
299910
309910
319910

Wind in December

Winds average 13 km/h in December.

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

051015151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 06 min at the start of December to 10 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 6:46 AM to 7:03 AM, and sunset from 4:52 PM to 5:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.16:464:52
210.16:474:52
310.16:484:52
410.16:484:52
510.06:494:52
610.06:504:52
710.06:514:52
810.06:514:52
910.06:524:52
1010.06:534:52
1110.06:544:53
1210.06:544:53
1310.06:554:53
1410.06:554:53
1510.06:564:54
1610.06:574:54
1710.06:574:54
189.96:584:55
199.96:584:55
209.96:594:56
219.96:594:56
229.97:004:56
239.97:004:57
249.97:014:57
259.97:014:58
269.97:024:59
2710.07:024:59
2810.07:025:00
2910.07:035:00
3010.07:035:01
3110.07:035:01

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.2 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.2 kWh/m² to a high of 7.84 kWh/m² in June across the year — December's 3.2 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.3Moderate
33.3Moderate
43.3Moderate
53.3Moderate
63.3Moderate
73.3Moderate
83.2Moderate
93.2Moderate
103.2Moderate
113.2Moderate
123.2Moderate
133.2Moderate
143.2Moderate
153.2Moderate
163.2Moderate
173.2Moderate
183.2Moderate
193.2Moderate
203.2Moderate
213.2Moderate
223.2Moderate
233.2Moderate
243.2Moderate
253.2Moderate
263.2Moderate
273.2Moderate
283.2Moderate
293.2Moderate
303.2Moderate
313.2Moderate
Planning a trip in December

Hazard calendar for Ar Rumaythah

In seasonPeak

None of Ar Rumaythah's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Ar Rumaythah sees seasonal dust haze (February–October), heaviest in May.

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

Is December a good time to visit Ar Rumaythah?

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

7.6
Sightseeing
4th-best month of the year
3.8
Beach & pool
6th-best month of the year

December is one of the better times to visit Ar Rumaythah for general sightseeing.

What to pack for Ar Rumaythah in December

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

In December, Ar Rumaythah sees daytime highs around 20°C and nights near 9°C. Little to plan around — just the basics. About 3 days see rain.

UV index in Ar Rumaythah in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ar Rumaythah peaks around June 14 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 13 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highHighModerateJun 14UV 10Jan 13UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr6High
May8Very high
Jun11Extreme
Jul6High
Aug9Very high
Sep4Moderate
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Ar Rumaythah 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 Ar Rumaythah is worst in May — around 76 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyUnhealthyMay 1475 µg/m³Nov 1753 µg/m³
PM2.5 (µg/m³)Level
Jan60Unhealthy
Feb62Unhealthy
Mar75Unhealthy
Apr72Unhealthy
May76Unhealthy
Jun67Unhealthy
Jul65Unhealthy
Aug62Unhealthy
Sep61Unhealthy
Oct62Unhealthy
Nov52Poor
Dec60Unhealthy
Location & terrain

Where is Ar Rumaythah?

Ar Rumaythah sits at 31.5°N, 45.2°E, 18 m above sea level, in Iraq. The nearest listed city is As Samawah, 23 km away.

Nāḩiyat ash ShināfīyahAl Diwaniyah‘AfakNahiyat GhammasAl MishkhābAsh ShāmīyahQal‘at Sukkar

Topography around Ar Rumaythah

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

Within 3 km, the terrain around Ar Rumaythah has only modest variations in elevation — a maximum elevation change of 8 m around an average of 13 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 159 m.

The land around Ar Rumaythah is covered by cropland (36%), artificial surfaces (25%) and bare terrain (24%) within 3 km, cropland (50%) and bare terrain (41%) within 16 km, and bare terrain (61%) and cropland (35%) within 80 km.

3 km
8 m
16 km
12 m
80 km
159 m
treesshrubscroplandartificial surfacesbare terrainwater
December weather nearby: As Samawah 23 km · Nāḩiyat ash Shināfīyah 53 km · Al Diwaniyah 58 km · ‘Afak 60 km · Nahiyat Ghammas 60 km · Al Mishkhāb 74 km · Ash Shāmīyah 75 km · Qal‘at Sukkar 90 km

Iraq travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / D / G
230 V · 50 Hz
Prices
≈ 38% of US
price level, 2025
GDP per capita
$5,410
2025
Happiness
5.2 / 10
World Happiness, 2025
Safe drinking water
60%
of population, 2024
Homicide rate
9.5
per 100k, 2013
Road deaths
27.3
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 406
Religion
Christian 1%

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 Ar Rumaythah (31.5284°, 45.2038°, elevation 18 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).