Ar Rumaylah in Winter
In winter (December, January and February), Ar Rumaylah sees average daytime highs around 24°C and overnight lows near 18°C, with 52 mm of rain over about 7 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across winter, daytime highs hold fairly steady around 24°C. The sky is clear or mostly clear about 72% of the time across winter, and the air most often feels humid.
Winter is Ar Rumaylah's best season of the year to visit on our travel score. For the whole year in context, see Ar Rumaylah's year-round climate.
- Avg daytime high
- 24°C
- coldest season of the year
- Avg overnight low
- 18°C
- Rainfall
- 52 mm
- 7 wet days
- Avg wind
- 13 km/h
- Travel score
- 8.7
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Ar Rumaylah in Winter
Across winter, daytime highs hold fairly steady around 24°C.
A typical winter day in Ar Rumaylah reaches about 24°C and drops to 18°C overnight. The warmest of the three months is December, the coolest January.
How winter really feels in Ar Rumaylah
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
winter sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Ar Rumaylah weather by month
How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 23° / 18° | 23 | 2.8 | 10.6 | 8.6 |
| Feb | 24° / 18° | 17 | 1.8 | 11.1 | 8.9 |
| Mar | 26° / 20° | 20 | 2 | 11.8 | 8.4 |
| Apr | 30° / 24° | 5 | 0.8 | 12.6 | 6.3 |
| May | 35° / 27° | 0 | 0 | 13.2 | 3.7 |
| Jun | 37° / 30° | 0 | 0 | 13.6 | 2.1 |
| Jul | 38° / 32° | 1 | 0.1 | 13.4 | 1.1 |
| Aug | 39° / 32° | 0 | 0 | 12.9 | 1.0 |
| Sep | 37° / 30° | 0 | 0 | 12.2 | 2.3 |
| Oct | 34° / 27° | 1 | 0.2 | 11.4 | 4.5 |
| Nov | 29° / 23° | 4 | 0.8 | 10.8 | 7.3 |
| Dec | 25° / 20° | 13 | 2.3 | 10.4 | 8.7 |
Cloud cover in Winter
The sky is clear or mostly clear about 72% of the time across winter.
Chance of precipitation in Winter
Ar Rumaylah gets around 52 mm of rain over 7 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 13 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 h 30 min in early December to 11 h 24 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 4.4 kWh/m².
Hazard calendar for Ar Rumaylah
In winter, Ar Rumaylah overlaps its cyclone season. The full year is below, with each hazard's peak months called out.
Ar Rumaylah sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.
Ar Rumaylah sees seasonal dust haze (March–August), heaviest in July.
Is winter a good time to visit Ar Rumaylah?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is one of the better times to visit Ar Rumaylah for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Ar Rumaylah in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Ar Rumaylah sees daytime highs around 24°C and nights near 18°C. Worth packing: light clothes and sun protection. About 7 days see rain.
Sea temperature near Ar Rumaylah in Winter
The nearest coast averages about 23°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 33°C and coldest in February near 22°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 23 | 22 | 23 | 25 | 29 | 31 | 33 | 33 | 33 | 31 | 28 | 25 |
| Comfort | Refreshing | Refreshing | Refreshing | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 23 | Refreshing |
| Feb | 22 | Refreshing |
| Mar | 23 | Refreshing |
| Apr | 25 | Warm |
| May | 29 | Tropical |
| Jun | 31 | Tropical |
| Jul | 33 | Tropical |
| Aug | 33 | Tropical |
| Sep | 33 | Tropical |
| Oct | 31 | Tropical |
| Nov | 28 | Tropical |
| Dec | 25 | Warm |
UV index in Ar Rumaylah in Winter
Clear-sky midday UV across winter averages around 6 — 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 Rumaylah peaks around June 14 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 4 (moderate).
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) | 5 | 8 | 8 | 9 | 10 | 10 | 9 | 9 | 9 | 7 | 5 | 4 |
| Level | High | Very high | Very high | Very high | Very high | Extreme | Very high | Very high | Very high | Very high | High | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 5 | High |
| Feb | 8 | Very high |
| Mar | 8 | Very high |
| Apr | 9 | Very high |
| May | 10 | Very high |
| Jun | 10 | Extreme |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 9 | Very high |
| Oct | 7 | Very high |
| Nov | 5 | High |
| Dec | 4 | Moderate |
Air quality in Ar Rumaylah in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Ar Rumaylah is worst in July — around 92 µg/m³ PM2.5 (unhealthy), about 2.5× the cleanest month (December, 37 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) | 45 | 56 | 65 | 70 | 77 | 80 | 92 | 86 | 67 | 51 | 37 | 37 |
| Level | Poor | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 45 | Poor |
| Feb | 56 | Unhealthy |
| Mar | 65 | Unhealthy |
| Apr | 70 | Unhealthy |
| May | 77 | Unhealthy |
| Jun | 80 | Unhealthy |
| Jul | 92 | Unhealthy |
| Aug | 86 | Unhealthy |
| Sep | 67 | Unhealthy |
| Oct | 51 | Poor |
| Nov | 37 | Poor |
| Dec | 37 | Poor |
Where is Ar Rumaylah?
Ar Rumaylah sits at 25.4°N, 55.4°E, 2 m above sea level, in United Arab Emirates. The nearest listed city is Ajman, 5.0 km away.
Topography around Ar Rumaylah
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ar Rumaylah.
Within 3 km, the terrain around Ar Rumaylah has only modest variations in elevation — a maximum elevation change of 20 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 67 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,562 m.
The land around Ar Rumaylah is covered by artificial surfaces (48%) and water (45%) within 3 km, water (47%), artificial surfaces (28%) and bare terrain (21%) within 16 km, and bare terrain (48%) and water (46%) within 80 km.
United Arab Emirates travel facts
- Travel advisory
- Level 3
- Reconsider Travel
- Power plugs
- Type G
- 230 V · 50 Hz
- Prices
- ≈ 63% of US
- price level, 2024
- GDP per capita
- $50,274
- 2024
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 99%
- of population, 2024
- Homicide rate
- 0.7
- per 100k, 2022
- Road deaths
- 8.9
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Low
- EF EPI 487
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 Rumaylah (25.4034°, 55.4334°, elevation 2 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.