Turkey
Istanbul in April: weather & travel advice
This month's data profile
Clear transition month
Istanbul in April is climatically well suited to city breaks and active holidays and hiking. The average daily high is around 16 °C. With about 8 rainy days it is moderate.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
67/100 · #7
Warmth
#7
Dryness
#6
Sun
#5
Published best categories: none
Istanbul · AprilPhoto: Bosphorus_Istanbul_2007.jpg: Gryffindor derivative work: Stegop · Public domainClimate facts
- Average high
- 16 °C
- Average low
- 9 °C
- Rainy days (est.)
- 8 rainy days (est.)
- Sun (est.)
- 6 h/day
- Humidity
- 77 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Score |
|---|---|---|---|---|---|---|---|---|
| March | 11 | 5 | 10 | 59 | 4.1 | 79 | 4.1 | 48 |
| April (selected) | 16 | 9 | 8 | 47 | 5.9 | 77 | 3.6 | 67 |
| May | 21 | 14 | 7 | 37 | 7.5 | 74 | 3.4 | 86 |
How do the previous and next months compare?
Baseline: April (67/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | |
|---|---|---|---|---|---|---|---|---|
| March | -19 | -4.4 °C | -3.5 °C | +2 | +12.4 mm | -1.8 h | +2.6 % | +0.5 m/s |
| May | +19 | +5.1 °C | +4.8 °C | -1.5 | -9.7 mm | +1.6 h | -2.4 % | -0.2 m/s |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Istanbul in April?
The average daily high is around 16 °C, with an average daily low of about 9 °C.
Does it rain a lot in Istanbul in April?
The curated estimate is about 8 rainy days per month, not a directly measured long-term average. Total precipitation averages around 47 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Istanbul?
By the climate score, May, June, July and September are the strongest months for Istanbul. April is not among them.