Riyadh Weather in December

🇸🇦 Saudi Arabia

21°C

High

9°C

Low

Rain Days

10h

Sunshine

78%

Humidity

Asia › 🇸🇦 Saudi Arabia › Riyadh

Updated: March 2026

Is December a Good Time to Visit Riyadh?

8/10

Excellent

December is a excellent time to visit Riyadh (8/10). With 10 daily sunshine hours and only 2 rain days, this month delivers genuinely reliable outdoor conditions, ranking it 11th sunniest of the year in Riyadh. Beach and outdoor-focused visitors will find December ideal, though hotel prices reflect demand and popular sites get crowded by mid-morning. January offers a similar profile at lower hotel rates if dates are flexible. The main practical note: Riyadh's popular sites are busiest between 10am and 3pm regardless of season. Arriving at opening time or after 4pm makes a significant difference to the experience. Planning tips: book accommodation at least 6-8 weeks ahead, as popular hotels fill quickly during December. Purchasing skip-the-line tickets for major attractions in advance saves meaningful time. If you have flexibility, arriving a few days before or after peak weekends reduces both crowds and prices noticeably.

vs November:26°C avg high

Riyadh's December weather is shaped by atmospheric forces that make the data more than just numbers. The 21°C average high reflects a transitional pressure pattern where mid-latitude westerlies alternately bring mild maritime air and cooler polar intrusions. As a result, 10 daily sunshine hours are recorded on average, and rainfall of 9mm is distributed across approximately 2 days because precipitation events tend to be brief and infrequent.

21°C

Avg High

9°C

Avg Low

2 days

Rain Days

10h

Sunshine

78%

Humidity

Temperature in Riyadh in December

The 12°C day-night temperature range is typical for continental climates: a light jacket in the morning that you shed by midday and need again after sunset. At 78% humidity, the 21°C daytime high feels 2-4°C warmer in practice: quick-dry fabrics and shade-seeking between noon and 3pm are the sensible response. The UV index of 2 is low, meaning sun exposure is minimal concern and sunscreen is largely optional. Wind averages 18 km/h, light enough to be refreshing on warm days but noticeable in open coastal areas or elevated viewpoints. In Fahrenheit: 70°F average high, 48°F overnight low. Data sourced from Open-Meteo ERA5 climate reanalysis (1991–2020 normals).

Temperature in December

Monthly Precipitation (mm)

What to Wear in Riyadh in December

Morning9°CBefore the day warms up

Afternoon21°CPeak daytime temperature

Evening12°CAfter sunset cools down

Packing for Riyadh in December means dressing for 21°C days and 9°C evenings. A light cotton tee with a casual overshirt works well at 21°C, the overshirt doubles as a layer for air-conditioned venues. Evenings drop 12°C to around 9°C, a notable shift that catches underprepared visitors off guard. Pack a dedicated evening layer. Comfortable walking trainers are the versatile choice for both outdoor sightseeing and indoor venues. For temple and religious site visits, carry a lightweight scarf or sarong to cover shoulders and knees, required at most major sites across the region. At 78% average humidity, quick-dry synthetic or bamboo fabrics dry overnight and stay comfortable longer than cotton.

💡

Local tip: Temple and religious site visits require covered shoulders and knees in most of Riyadh's heritage areas. A lightweight scarf or sarong weighs almost nothing and solves the problem instantly.

Events in Riyadh in December

December has no major festivals or public holidays in Riyadh, which is one of its practical advantages for independent travellers. Attractions run at lower capacity than during peak event periods, queues are shorter, and accommodation is easier to find without needing to book many months in advance. Local restaurants, markets, and transport operate at a relaxed pace, making this an ideal time for visitors who prefer a more authentic, unhurried experience of everyday city life rather than large crowds drawn in by a single major headline event.

What to Pack for Riyadh in December

Based on 21°C average highs and 2 rainy days

Light jacket or cardigan for cooler evenings
Mix of short and long-sleeve layers
Comfortable walking shoes with good arch support
Universal travel adapter
Small day pack for city exploration
Reusable water bottle

Best Activities in Riyadh in December

Explore outdoor markets and street food stallsMid-morning (10am-12pm)At 21°C, the temperature is ideal for extended walking without overheating
Guided walking tour of the historic centreMorning or late afternoonComfortable temperatures allow several hours on foot without fatigue
Visit rooftop viewpoints and observation decksGolden hour (1 hour before sunset)Warm clear evenings provide exceptional visibility for panoramic photography
Day trip to the surrounding countryside or coastFull day (depart by 8am)December is reliably dry enough for rural day trips without weather risk
Afternoon in a world-class museum or galleryAfternoon (2-5pm)Pairs well with outdoor morning activities and provides a mid-day rest from sightseeing
Coffee-house or traditional cafe culture experienceMid-morning or post-lunchA cultural ritual in this region that rewards slow appreciation regardless of weather
Evening live music, theatre, or opera performanceEvening shows typically at 7-9pmConsistent evening temperatures make getting to and from evening venues comfortable
Visit the main botanical garden or city park at seasonal peakYear-round; best light in morningDecember brings distinct seasonal changes to public green spaces worth exploring
Try the seasonal farmer's market for local produce and street foodSaturday morning markets typically 8am-1pmDecember seasonal produce is at peak availability, offering dishes not found at other times of year

Why is Riyadh mild in December?

December in Riyadh reflects a mid-latitude climate pattern, with temperatures averaging 21°C by day and 9°C overnight. The city sits at 25 degrees north latitude, where the balance between solar radiation and heat loss drives conditions that are neither extreme nor static. Conditions occupy the comfortable middle band of the annual temperature range, where outdoor activity is feasible without the extremes of midsummer heat or midwinter cold. Day-to-night temperature variation of 12°C is moderate and manageable with a single mid-layer. Climate data: Open-Meteo ERA5 (1991–2020).

Sunshine Hours

The average number of hours per day with direct sunlight. Calculated from satellite measurements. Days with more than 7 hours of sunshine are ideal for outdoor activities. Under 3 hours means overcast conditions dominate.

UV Index

A scale from 0-11+ measuring ultraviolet radiation intensity. UV 0-2: Minimal risk. UV 3-5: Moderate -- wear sunscreen. UV 6-7: High -- hat and SPF 30+ essential. UV 8-10: Very High -- limit midday exposure. UV 11+: Extreme -- seek shade between 10am-4pm.

Rain Days

A rain day is counted when precipitation exceeds 0.1mm. This threshold captures even light drizzle. Unlike total rainfall in mm, rain days tells you how often you might need an umbrella, which is useful for planning outdoor activities.

Humidity

Relative humidity as a percentage. Below 40%: Dry -- skin and throat may feel parched. 40-60%: Comfortable -- ideal for most people. 60-80%: Sticky -- light, breathable fabrics recommended. Above 80%: Muggy -- heat feels more intense; quick-dry clothing is essential.

Frequently Asked Questions: Riyadh in December

In December, Riyadh experiences average highs of 21°C (70°F) and lows of 9°C (48°F). Expect around 2 rainy days and 10 hours of sunshine per day, with humidity averaging 78%. The 12°C gap between daytime and overnight temperatures is worth planning around: light layers work for most visitors during the day, but an extra jacket is essential for evenings. UV exposure is moderate at index 2.

Riyadh typically sees 2 rainy days in December, with total precipitation of around 9mm. This makes December one of the drier months of the year, and a reliable window for outdoor sightseeing and day trips. Rain showers tend to be brief when they do occur. For context, the driest month in Riyadh typically sees 4-6 fewer rain days than December.

Pack light layers, a light jacket for evenings, comfortable walking shoes, and sunscreen for Riyadh in December. Daytime temperatures of 21°C are pleasant, but the evening drop to 9°C means a jacket is essential if you plan to be out after dark. Rain is infrequent with only 2 wet days, so a light rain layer is optional. Comfortable walking shoes are a priority given the amount of ground most visitors cover.

Yes, December is an excellent time to visit Riyadh. With 10 daily sunshine hours and only 2 rainy days, conditions are ideal for sightseeing and outdoor activities. Temperatures averaging 21°C during the day are comfortable for long walks and outdoor dining. This is peak travel season, so booking accommodation in advance and arriving at popular attractions early in the morning helps avoid the busiest periods.

The average high temperature in Riyadh in December is 21°C (70°F), and the average low is 9°C (48°F). The mean daily temperature is approximately 15°C (59°F). The day-to-night range of 12°C is moderate, meaning a single light jacket covers most situations. These are 30-year climate normals based on the 1991 to 2020 reference period; individual years will vary, particularly in transitional months like spring and autumn.

The best month to visit Riyadh is generally May. May offers the most sunshine at 12 hours per day and only 1 rainy days. Average temperatures reach 39°C, making it comfortable for sightseeing, outdoor dining, and exploring the city. If your travel dates are flexible, planning your trip around May gives you the best chance of dry, bright weather.

December is shoulder or low season in Riyadh, meaning fewer tourists and generally lower prices than peak months. With 10 sunshine hours and 2 rainy days, the weather is less of a draw for mass tourism. This is an advantage for travellers who prefer a quieter, more relaxed experience with shorter queues and easier accommodation availability.

In December, Riyadh suits a range of activities thanks to mild temperatures around 21°C. With few rainy days, outdoor activities are highly recommended. Top options include exploring historic neighbourhoods, visiting museums and galleries, local food markets, and day trips to surrounding areas. With 10 hours of sunshine, parks and waterfront walks are particularly enjoyable.

December ranks 11th sunniest of the year in Riyadh, with an average 10 daily sunshine hours. The driest months are June, July, and August. July is the hottest month (42°C avg high); January is the coolest (20°C). From here, temperatures fall 1°C into January. Compared to last month (November: 26°C high, 2 rain days), December is cooler and equally dry. December is one of the least sunny months, but that often means lower prices and fewer fellow tourists.

Year-Round Climate

Month	High	Low	Rain Days	Sun	Details
January	20°C	7°C	2	9h	View
February	23°C	9°C	1	10h	View
March	27°C	13°C	2	11h	View
April	33°C	19°C	3	11h	View
May	39°C	24°C	1	12h	View
June	41°C	26°C	0	12h	View
July	42°C	27°C	0	12h	View
August	42°C	27°C	0	12h	View
September	39°C	24°C	0	12h	View
October	34°C	20°C	0	11h	View
November	26°C	14°C	2	10h	View
December	21°C	9°C	2	10h	View

Other Months in Riyadh

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

Plan Your Trip to Riyadh

Best Time to Visit Riyadh Riyadh vs Doha in December

Data Sources for Riyadh

Riyadh on Wikipedia Open-Meteo Climate API NOAA National Centers UK Met Office WMO GeoNames

Climate normals represent 30-year averages (1991-2020). Individual years may vary.