
Mykonos Weather in January
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Europe › 🇬🇷 Greece › Mykonos
Updated: March 2026
Is January a Good Time to Visit Mykonos?
January is a fair time to visit Mykonos (4/10). With 8 daily sunshine hours and only 11 rain days, this month delivers genuinely reliable outdoor conditions, ranking it 9th sunniest of the year in Mykonos. January suits travellers visiting for indoor culture, food, and architecture rather than outdoor activities. Pack accordingly for 11 potential rain days. February offers a similar profile at lower hotel rates if dates are flexible. The main practical note: Mykonos'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: most accommodation categories have availability, and last-minute deals are common. The quieter streets and shorter queues can make this a genuinely enjoyable time to visit for the right type of traveller. Budget-conscious visitors will find the best value of the year in this period.
Step off the plane in Mykonos in January and the air meets you at around 13°C, crisp and clear, the kind of chill that sharpens your senses and makes the first coffee taste twice as good. By the time evening arrives and temperatures settle near 10°C, the city takes on a different character entirely. With 8 hours of daylight sun on offer, January gives you the raw material for a genuinely memorable trip.
13°C
Avg High
10°C
Avg Low
11 days
Rain Days
8h
Sunshine
65%
Humidity
Temperature in Mykonos in January
The narrow 3°C gap between daytime and overnight temperatures, characteristic of coastal cities with maritime moderation, means a single mid-layer works across the whole day. Humidity averages 65%, which is comfortable for most visitors. On warmer days, lighter fabrics help with the mild stickiness in the afternoon. The UV index of 2 is low, meaning sun exposure is minimal concern and sunscreen is largely optional. Average wind speeds of 37 km/h add a meaningful windchill factor, making the 13°C temperature feel cooler than it reads. In Fahrenheit: 55°F average high, 50°F overnight low. Data sourced from Open-Meteo ERA5 climate reanalysis (1991–2020 normals).
Temperature in January
Monthly Precipitation (mm)
What to Wear in Mykonos in January
Packing for Mykonos in January means dressing for 13°C days and 10°C evenings. A mid-weight jacket over a sweater handles 13°C daytime temperatures; the combination stays comfortable all day without overheating. Evening temperatures settle at 10°C, a modest 3°C drop that a light cardigan or denim jacket covers. European cobblestones reward low-profile walking shoes over flip-flops or heels, with cushioned trainers or leather walking shoes being the practical choice. A compact foldable umbrella weighs almost nothing and earns its keep across 11 potential rainy days.
Local tip: Mykonos's cobbled streets turn slippery in the rain. Waterproof walking shoes with a non-slip sole outperform fashionable footwear on wet stone, and you'll cover significantly more ground in comfort.
Events in Mykonos in January
January has no major festivals or public holidays in Mykonos, 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 Mykonos in January
Based on 13°C average highs and 11 rainy days
- Warm jacket (down or fleece)
- Merino wool base layer (regulates temperature and resists odour)
- Sweaters and lined trousers
- Scarf and lightweight gloves
- Compact folding umbrella
- Waterproof outer layer or packable rain jacket
- Quick-dry clothing that recovers fast after a shower
- 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 Mykonos in January
- Explore the old town's cobblestone backstreetsMorning (9-11am)At 13°C, conditions are pleasant for unhurried exploration on foot
- Visit hilltop viewpoints for panoramic city viewsLate afternoon (4-6pm)Low sun angle creates dramatic light for photography while temperatures remain comfortable
- Bicycle rental for a half-day city circuitMid-morning startMild 13°C temperatures are ideal for extended cycling without excessive effort
- Boat tour of the river, bay, or canal networkLate morning departureComfortable weather makes open-deck boats viable without wind-chill concerns
- 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 morningJanuary brings distinct seasonal changes to public green spaces worth exploring
- Warm up with traditional hot dishes: local stew, fondue, or braised specialities at a neighbourhood restaurantLunch (12-2pm) or dinner (7-9pm)Cold-weather cuisine is a genuine cultural experience and the best local restaurants serve their heartiest dishes in cooler months
Why is Mykonos cool in January?
In January, the Azores High weakens and retreats southward, allowing Atlantic storm tracks to cross the Mediterranean and bring the city its seasonal rainfall. Temperatures average 13°C during the day and drop to 10°C at night as cold continental air occasionally pushes in from the north. This is the rainy season that keeps the region's landscape green through spring. 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: Mykonos in January
January ranks 9th sunniest of the year in Mykonos, with an average 8 daily sunshine hours. The driest months are June, July, and August. July is the hottest month (26°C avg high); January is the coolest (13°C). From here, temperatures fall 0°C into February. Compared to last month (December: 14°C high, 10 rain days), January is cooler and wetter. January sits in the middle of the annual sunshine ranking for Mykonos, offering a reasonable balance of good weather and manageable crowds.
Year-Round Climate
| Month | High | Low | Rain Days | Sun | Details |
|---|---|---|---|---|---|
| January | 13°C | 10°C | 11 | 8h | View |
| February | 13°C | 10°C | 9 | 8h | View |
| March | 15°C | 12°C | 7 | 10h | View |
| April | 17°C | 14°C | 4 | 11h | View |
| May | 20°C | 17°C | 2 | 12h | View |
| June | 24°C | 21°C | 0 | 13h | View |
| July | 26°C | 23°C | 0 | 13h | View |
| August | 26°C | 24°C | 0 | 13h | View |
| September | 24°C | 21°C | 1 | 11h | View |
| October | 21°C | 18°C | 4 | 10h | View |
| November | 18°C | 15°C | 6 | 8h | View |
| December | 14°C | 12°C | 10 | 7h | View |
Plan Your Trip to Mykonos
Nearby Destinations with Similar Weather
These cities are within 500 km and experience broadly comparable weather conditions during the same calendar month, making them practical standalone alternatives or worthwhile additions to a longer regional itinerary.
Data Sources for Mykonos
Climate normals represent 30-year averages (1991-2020). Individual years may vary.