Weather in Riyadh 🇸🇦
Monthly weather averages & travel planning
December
Avg Temp
25°C
Rain Days
1 days
Sun Hours
3 hrs
Humidity
35%
Asia › 🇸🇦 Saudi Arabia › Riyadh
Updated: March 2026
Is December a Good Time to Visit Riyadh?
5/10
Fair
December is a fair time to visit Riyadh (5/10). Average highs of 25°C and 3 sunshine hours daily make conditions workable, though not exceptional. Culture-focused travellers and those who prefer lighter crowds will find December a practical choice, with prices running lower than peak May without sacrificing all the good weather. 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: accommodation is generally available without long lead times, and flight prices are typically lower than peak season. Flexible travellers will find the best deals by booking 2-4 weeks ahead. Mid-week arrivals consistently unlock lower hotel rates than weekend check-ins.
vs November:26°C avg high
Riyadh's December weather is shaped by atmospheric forces that make the data more than just numbers. The 25°C average high reflects a transitional pressure pattern where mid-latitude westerlies alternately bring mild maritime air and cooler polar intrusions. As a result, 3 daily sunshine hours are recorded on average, and rainfall of 4mm is distributed across approximately 1 days because precipitation events tend to be brief and infrequent.
25°C
77°F
Avg High
13°C
55°F
Avg Low
1 days
4 mm total
Rain Days
3h
per day avg
Sunshine
35%
Dry
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. Humidity averages 35%, which is comfortable for most visitors. The air feels fresh and dry enough to make extended outdoor activity pleasant. The UV index of 2 is low, meaning sun exposure is minimal concern and sunscreen is largely optional. Wind averages 15 km/h, light enough to be refreshing on warm days but noticeable in open coastal areas or elevated viewpoints. In Fahrenheit: 77°F average high, 55°F overnight low. Data sourced from Open-Meteo ERA5 climate reanalysis (1991–2020 normals).
Temperature Trends
High
Low
Rainfall (mm)
0-20 mm21-50 mm51-100 mm100+ mm
What to Wear in Riyadh in December
Morning13°CBefore the day warms up
Afternoon25°CPeak daytime temperature
Evening16°CAfter sunset cools down
Packing for Riyadh in December means dressing for 25°C days and 13°C evenings. A light cotton tee with a casual overshirt works well at 25°C, the overshirt doubles as a layer for air-conditioned venues. Evenings drop 12°C to around 13°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.
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 25°C average highs and 1 rainy days
- Light layers for morning and evening
- Breathable T-shirts and comfortable trousers
- UV-protective sunglasses
- SPF 30+ sunscreen
- Comfortable walking shoes (a second pair lets the first air out overnight)
- 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 25°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 warm in December?
December in Riyadh reflects a mid-latitude climate pattern, with temperatures averaging 25°C by day and 13°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. The warm temperatures reflect a stable high-pressure pattern typical of the season, which suppresses cloud formation and concentrates solar energy at the surface. 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 25°C (77°F) and lows of 13°C (55°F). Expect around 1 rainy days and 3 hours of sunshine per day, with humidity averaging 35%. The 12°C gap between daytime and overnight temperatures is worth planning around: light layers work for most visitors during the day, but an overshirt or cardigan handles the cooler evenings. UV exposure is moderate at index 2.
Riyadh typically sees 1 rainy days in December, with total precipitation of around 4mm. 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 25°C are pleasant, but the evening drop to 13°C means a jacket is essential if you plan to be out after dark. Rain is infrequent with only 1 wet days, so a light rain layer is optional. Comfortable walking shoes are a priority given the amount of ground most visitors cover.
December is a reasonable time to visit Riyadh. Expect 1 rainy days, so pack a light rain layer for flexibility. Average temperatures of 25°C make outdoor exploration comfortable during the dry periods. With 3 daily sunshine hours, there are reliable windows of good weather to plan outdoor activities around, even if the month is not the driest on the calendar.
The average high temperature in Riyadh in December is 25°C (77°F), and the average low is 13°C (55°F). The mean daily temperature is approximately 19°C (66°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 9 hours per day and only 2 rainy days. Average temperatures reach 40°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 3 sunshine hours and 1 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 25°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. Cosy cafes and cultural venues make ideal retreats on overcast days.
December ranks 12th sunniest of the year in Riyadh, with an average 3 daily sunshine hours. The driest months are January, February, and October. June is the hottest month (41°C avg high); December is the coolest (25°C). From here, temperatures rise 1°C into January. Compared to last month (November: 26°C high, 1 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 | 26°C | 14°C | 1 | 3h | View |
| February | 29°C | 17°C | 1 | 5h | View |
| March | 33°C | 21°C | 2 | 6h | View |
| April | 37°C | 25°C | 2 | 8h | View |
| May | 40°C | 28°C | 2 | 9h | View |
| June | 41°C | 29°C | 2 | 9h | View |
| July | 40°C | 28°C | 2 | 9h | View |
| August | 37°C | 25°C | 2 | 8h | View |
| September | 33°C | 21°C | 2 | 6h | View |
| October | 29°C | 17°C | 1 | 5h | View |
| November | 26°C | 14°C | 1 | 3h | View |
| December | 25°C | 13°C | 1 | 3h | View |
January
1 rain days, 3h sun
26°14°
February
1 rain days, 5h sun
29°17°
March
2 rain days, 6h sun
33°21°
April
2 rain days, 8h sun
37°25°
May
2 rain days, 9h sun
40°28°
June
2 rain days, 9h sun
41°29°
July
2 rain days, 9h sun
40°28°
August
2 rain days, 8h sun
37°25°
September
2 rain days, 6h sun
33°21°
October
1 rain days, 5h sun
29°17°
November
1 rain days, 3h sun
26°14°
December
1 rain days, 3h sun
25°13°
Other Months in Riyadh
Plan Your Trip to Riyadh
Data Sources for Riyadh
Climate normals represent 30-year averages (1991-2020). Individual years may vary.