Monthly weather averages & travel planning

Europe › 🇹🇷 Turkey › Istanbul
Updated: March 2026
February is a avoid time to visit Istanbul (3/10). With 7 daily sunshine hours and only 12 rain days, this month delivers genuinely reliable outdoor conditions, ranking it 9th sunniest of the year in Istanbul. February suits travellers visiting for indoor culture, food, and architecture rather than outdoor activities. Pack accordingly for 12 potential rain days. January offers a similar profile at lower hotel rates if dates are flexible. The 9°C highs require proper cold-weather clothing; many visitors underestimate how far the wind chill drops the perceived temperature, particularly near water or at elevated viewpoints. 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.
Istanbul's February climate peaks at 9°C each afternoon before cooling to 4°C overnight. 7 daily sunshine hours and just 12 wet days mean the odds of a fine day are solidly in your favour. It is a reasonable time to visit, with a backup plan for the occasional shower.
9°C
48°F
Avg High
4°C
39°F
Avg Low
12 days
71 mm total
Rain Days
7h
per day avg
Sunshine
65%
Moderate
Humidity
The narrow 5°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 1 is low, meaning sun exposure is minimal concern and sunscreen is largely optional. Wind averages 23 km/h, light enough to be refreshing on warm days but noticeable in open coastal areas or elevated viewpoints. In Fahrenheit: 48°F average high, 39°F overnight low. Data sourced from Open-Meteo ERA5 climate reanalysis (1991–2020 normals).
Packing for Istanbul in February means dressing for 9°C days and 4°C evenings. Layering is key: a thermal base, mid-layer fleece, and a windproof outer jacket for 9°C highs that feel colder in the wind. Evening temperatures settle at 4°C, a modest 5°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 12 potential rainy days.
Local tip: Istanbul'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.
February has no major festivals or public holidays in Istanbul, 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.
Based on 9°C average highs and 12 rainy days
In February, the Azores High weakens and retreats southward, allowing Atlantic storm tracks to cross the Mediterranean and bring the city its seasonal rainfall. Temperatures average 9°C during the day and drop to 4°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.
Istanbul in February
February ranks 9th sunniest of the year in Istanbul, with an average 7 daily sunshine hours. The driest months are August, July, and May. July is the hottest month (28°C avg high); January is the coolest (8°C). From here, temperatures rise 2°C into March. Compared to last month (January: 8°C high, 13 rain days), February is warmer and drier. February sits in the middle of the annual sunshine ranking for Istanbul, offering a reasonable balance of good weather and manageable crowds.
| Month | High | Low | Rain Days | Sun | Details |
|---|---|---|---|---|---|
| January | 8°C | 4°C | 13 | 6h | View |
| February | 9°C | 4°C | 12 | 7h | View |
| March | 11°C | 5°C | 11 | 9h | View |
| April | 15°C | 8°C | 8 | 10h | View |
| May | 20°C | 13°C | 6 | 12h | View |
| June | 25°C | 18°C | 6 | 13h | View |
| July | 28°C | 21°C | 4 | 14h | View |
| August | 28°C | 21°C | 3 | 13h | View |
| September | 24°C | 18°C | 7 | 11h | View |
| October | 19°C | 14°C | 9 | 8h | View |
| November | 14°C | 9°C | 10 | 7h | View |
| December | 10°C | 6°C | 13 | 5h | View |
January
13 rain days, 6h sun
February
12 rain days, 7h sun
March
11 rain days, 9h sun
April
8 rain days, 10h sun
May
6 rain days, 12h sun
June
6 rain days, 13h sun
July
4 rain days, 14h sun
August
3 rain days, 13h sun
September
7 rain days, 11h sun
October
9 rain days, 8h sun
November
10 rain days, 7h sun
December
13 rain days, 5h sun
Data Sources for Istanbul
Climate normals represent 30-year averages (1991-2020). Individual years may vary.