Ar Rumaythah weather in May

In May, Ar Rumaythah sees average daytime highs of 39°C and overnight lows near 25°C, with 4 mm of rain across 0.7 wet days and about 13.6 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 36°C in the first days to 42°C by the end. The sky is clear or mostly clear about 75% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 12 min at the start of May to 13 h 54 min by month's end. Set against the rest of the year, May is Ar Rumaythah's 6th-clearest and 5th-windiest month. For the whole year in context, see Ar Rumaythah's year-round climate.

Daytime high
39°
5th warmest
Overnight low
25°
8th coldest
Rainfall
4 mm
0.7 wet days
Daylight
13 h 36 min
5:07 AM – 6:43 PM
Cloud cover
24%
6th clearest
Wind
16 km/h
5th windiest
Solar energy
7.48 kWh/m²
Travel score
0.8
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 May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 36°C in the first days to 42°C by the end.

A typical May day in Ar Rumaythah reaches about 39°C in the afternoon and slips back to 25°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 35°C and 43°C. Set against its neighbours, May runs about 7°C warmer than April and about 5°C cooler than June.

20°30°40°50°151015202531
Avg high (°C)Avg low (°C)
13623
23623
33623
43723
53724
63724
73724
83824
93824
103824
113825
123825
133925
143925
153925
163925
174026
184026
194026
204026
214026
224127
234127
244127
254127
264227
274227
284227
294228
304228
314228

How May really feels in Ar Rumaythah

Once humidity and wind are folded in, May averages 31 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
31
17 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

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

Ar Rumaythah weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 7th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 75% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 10% of May, with mostly cloudy or overcast conditions the remaining 15%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17921
27921
37921
47921
57921
68020
78020
88020
98119
108119
118218
128218
138317
148416
158515
168515
178614
188713
198812
208812
218812
228911
238911
248911
259010
269010
27919
28928
29928
30928
31946

Chance of precipitation in May

Any precipitation

Ar Rumaythah gets around 4 mm of rain over 0.7 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 2% and peaks near 6% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
16
26
36
45
55
65
75
84
94
104
113
123
133
142
152
162
172
181
191
201
211
220
230
240
250
260
270
280
290
300
310

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
192611
292611
392611
492611
592512
693511
793511
893511
994411
1094411
1194411
1294411
1394411
1494411
1596310
1696310
1796310
1896310
1997210
2098200
2198200
2298200
2399100
2499100
2599100
2699100
2799100
2899100
29100000
30100000
31100000

Wind in May

Winds average 16 km/h in May.

Across May, daily wind ranges from about 15 km/h on the calmest days to 18 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
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3118light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 12 min at the start of May to 13 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over May. Sunrise moves from 5:20 AM to 5:00 AM, and sunset from 6:33 PM to 6:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:206:33
213.25:196:34
313.35:186:34
413.35:176:35
513.35:166:36
613.45:156:36
713.45:146:37
813.45:136:38
913.45:136:39
1013.55:126:39
1113.55:116:40
1213.55:106:41
1313.55:106:41
1413.65:096:42
1513.65:086:43
1613.65:076:43
1713.65:076:44
1813.65:066:45
1913.75:066:45
2013.75:056:46
2113.75:046:47
2213.75:046:47
2313.75:036:48
2413.85:036:49
2513.85:026:49
2613.85:026:50
2713.85:016:51
2813.85:016:51
2913.95:016:52
3013.95:006:53
3113.95:006:53

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.48 kWh/m².

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 — May's 7.48 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.1Intense
27.2Intense
37.2Intense
47.2Intense
57.2Intense
67.2Intense
77.3Intense
87.3Intense
97.3Intense
107.3Intense
117.4Intense
127.4Intense
137.4Intense
147.5Intense
157.5Intense
167.5Intense
177.5Intense
187.6Intense
197.6Intense
207.6Intense
217.6Intense
227.6Intense
237.7Intense
247.7Intense
257.7Intense
267.7Intense
277.7Intense
287.7Intense
297.7Intense
307.7Intense
317.8Intense
Planning a trip in May

Hazard calendar for Ar Rumaythah

In seasonPeak

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

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 May a good time to visit Ar Rumaythah?

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

0.8
Sightseeing
8th-best month of the year
3.7
Beach & pool
7th-best month of the year

May is a weaker month for outdoor sightseeing in Ar Rumaythah.

What to pack for Ar Rumaythah in May

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

In May, Ar Rumaythah sees daytime highs around 39°C and nights near 25°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Ar Rumaythah in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 — 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 May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May 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
May 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).