Weather in Istanbul for May 2025
In general, the average temperature in Istanbul at the beginning of May is 16.6 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21.4 °C by the end of May.
Istanbul sees moderate rainfall in May, averaging 7 rainy days.
Is May a good time to visit Istanbul? check out the best time to travel to Istanbul page.
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Istanbul in May average weather
Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 16° | 2 18° | 3 17° | 4 15° | |||
5 17° | 6 16° | 7 17° | 8 20° | 9 18° | 10 16° | 11 16° |
12 17° | 13 17° | 14 18° | 15 20° | 16 22° | 17 19° | 18 18° |
19 18° | 20 20° | 21 20° | 22 22° | 23 21° | 24 20° | 25 21° |
26 21° | 27 20° | 28 20° | 29 21° | 30 23° | 31 24° |
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Temperatures trend during May in Istanbul
May weather day by day
Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
1 May | Cloudy | 16° /12° | 1.5 mm | 4 | |
2 May | Sunny | 18° /11° | 0.5 mm | 5 | |
3 May | Patchy rain possible | 17° /11° | 0.3 mm | 4 | |
4 May | Moderate or heavy rain shower | 15° /12° | 13.7 mm | 4 | |
5 May | Patchy rain possible | 17° /11° | 1.9 mm | 4 | |
6 May | Moderate or heavy rain shower | 16° /11° | 2.7 mm | 4 | |
7 May | Overcast | 17° /11° | 0 mm | 5 | |
8 May | Partly cloudy | 20° /13° | 0 mm | 6 | |
9 May | Patchy rain possible | 18° /13° | 0.2 mm | 4 | |
10 May | Patchy rain possible | 16° /12° | 0.4 mm | 4 | |
11 May | Cloudy | 16° /11° | 0.3 mm | 4 | |
12 May | Overcast | 17° /11° | 0 mm | 4 | |
13 May | Sunny | 17° /10° | 0.9 mm | 5 | |
14 May | Partly cloudy | 18° /10° | 0.4 mm | 5 | |
15 May | Patchy rain possible | 20° /12° | 0.2 mm | 5 | |
16 May | Sunny | 22° /13° | 0 mm | 6 | |
17 May | Moderate or heavy rain shower | 19° /13° | 9.2 mm | 5 | |
18 May | Patchy rain possible | 18° /13° | 0.8 mm | 5 | |
19 May | Patchy rain possible | 18° /13° | 1.1 mm | 4 | |
20 May | Patchy rain possible | 20° /13° | 0.1 mm | 5 | |
21 May | Overcast | 20° /13° | 0 mm | 5 | |
22 May | Overcast | 22° /14° | 0 mm | 5 | |
23 May | Patchy rain possible | 21° /14° | 0.3 mm | 5 | |
24 May | Patchy rain possible | 20° /14° | 0.3 mm | 5 | |
25 May | Moderate rain at times | 21° /14° | 1.5 mm | 5 | |
26 May | Partly cloudy | 21° /15° | 0.2 mm | 6 | |
27 May | Sunny | 20° /14° | 1.3 mm | 5 | |
28 May | Patchy rain possible | 20° /14° | 0.5 mm | 5 | |
29 May | Moderate rain at times | 21° /15° | 1.1 mm | 6 | |
30 May | Moderate rain at times | 23° /16° | 0.8 mm | 6 | |
31 May | Patchy rain possible | 24° /17° | 0.1 mm | 6 | |
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Istanbul in May - FAQ
What to pack to Istanbul in May?
As you prepare for your trip to Istanbul in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Istanbul, during May, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
May rainfall patterns in Istanbul
UV exposure in Istanbul during May
Quick links
Get accurate weather forecasts for Istanbul, located at latitude 41.014 and longitude 28.95. Stay updated with localized weather information tailored for Istanbul.