İzmit weather in June
In June, İzmit sees average daytime highs of 25°C and overnight lows near 15°C, with 76 mm of rain across 10.6 wet days and about 14.9 hours of daylight. It is the 3rd-warmest and 8th-wettest month of the year here.
Highs climb over the month, from about 23°C in the first days to 26°C by the end. The sky is clear or mostly clear about 57% of the time in June, and the air most often feels humid.
Daylight stretches from about 14 h 42 min at the start of June to 14 h 54 min by month's end. Set against the rest of the year, June is İzmit's 3rd-clearest and 10th-windiest month. For the whole year in context, see İzmit's year-round climate.
- Daytime high
- 25°
- 3rd warmest
- Overnight low
- 15°
- 10th coldest
- Rainfall
- 76 mm
- 10.6 wet days
- Daylight
- 14 h 54 min
- 4:33 AM – 7:28 PM
- Cloud cover
- 38%
- 3rd clearest
- Wind
- 7 km/h
- 10th windiest
- Solar energy
- 6.63 kWh/m²
- Travel score
- 7.1
- out of 10
İzmit is ancient city of Bithynia in modern-day Turkey.
- Founded
- ~263 BCE
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in June
Highs climb over the month, from about 23°C in the first days to 26°C by the end.
A typical June day in İzmit reaches about 25°C in the afternoon and slips back to 15°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 29°C. Set against its neighbours, June runs about 4°C warmer than May and about 2°C cooler than July.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg low (°C) | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 23 | 13 |
| 2 | 23 | 14 |
| 3 | 23 | 14 |
| 4 | 23 | 14 |
| 5 | 23 | 14 |
| 6 | 24 | 14 |
| 7 | 24 | 14 |
| 8 | 24 | 14 |
| 9 | 24 | 15 |
| 10 | 24 | 15 |
| 11 | 24 | 15 |
| 12 | 24 | 15 |
| 13 | 25 | 15 |
| 14 | 25 | 15 |
| 15 | 25 | 15 |
| 16 | 25 | 15 |
| 17 | 25 | 16 |
| 18 | 25 | 16 |
| 19 | 25 | 16 |
| 20 | 25 | 16 |
| 21 | 26 | 16 |
| 22 | 26 | 16 |
| 23 | 26 | 16 |
| 24 | 26 | 16 |
| 25 | 26 | 16 |
| 26 | 26 | 16 |
| 27 | 26 | 16 |
| 28 | 26 | 16 |
| 29 | 26 | 17 |
| 30 | 26 | 17 |
How June really feels in İzmit
Once humidity and wind are folded in, June averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
June sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
İzmit weather by month
How June compares with the rest of the year at a glance. June is the 3rd-warmest and 8th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 7° / 1° | 101 | 14 | 7.2 | 9.4 | 0.9 |
| Feb | 9° / 1° | 89 | 13.2 | 6.1 | 10.4 | 1.5 |
| Mar | 12° / 3° | 98 | 13.6 | 3.7 | 11.7 | 2.8 |
| Apr | 16° / 7° | 76 | 11.7 | 0.7 | 13.1 | 5.0 |
| May | 21° / 11° | 73 | 10.9 | 0 | 14.2 | 6.5 |
| Jun | 25° / 15° | 76 | 10.6 | 0 | 14.9 | 7.1 |
| Jul | 27° / 18° | 43 | 6.4 | 0 | 14.6 | 7.6 |
| Aug | 27° / 18° | 41 | 6.5 | 0 | 13.6 | 7.5 |
| Sep | 24° / 15° | 61 | 8.4 | 0 | 12.3 | 7.4 |
| Oct | 19° / 11° | 90 | 11.1 | 0 | 10.9 | 6.1 |
| Nov | 14° / 6° | 80 | 10.4 | 1.2 | 9.7 | 4.0 |
| Dec | 9° / 2° | 110 | 13.3 | 4.3 | 9.1 | 1.6 |
Cloud cover in June
The sky is clear or mostly clear about 57% of the time in June.
Beyond those clear spells, partly cloudy skies cover about 17% of June, with mostly cloudy or overcast conditions the remaining 27%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 65 | 65 | 67 | 67 | 67 | 69 | 69 | 69 | 69 | 70 | 70 | 70 | 71 | 71 | 71 | 73 | 73 | 74 | 75 | 76 | 77 | 77 | 79 | 79 | 80 | 81 | 82 | 83 | 83 | 83 |
| Cloudier (%) | 35 | 35 | 33 | 33 | 33 | 31 | 31 | 31 | 31 | 30 | 30 | 30 | 29 | 29 | 29 | 27 | 27 | 26 | 25 | 24 | 23 | 23 | 21 | 21 | 20 | 19 | 18 | 17 | 17 | 17 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 65 | 35 |
| 2 | 65 | 35 |
| 3 | 67 | 33 |
| 4 | 67 | 33 |
| 5 | 67 | 33 |
| 6 | 69 | 31 |
| 7 | 69 | 31 |
| 8 | 69 | 31 |
| 9 | 69 | 31 |
| 10 | 70 | 30 |
| 11 | 70 | 30 |
| 12 | 70 | 30 |
| 13 | 71 | 29 |
| 14 | 71 | 29 |
| 15 | 71 | 29 |
| 16 | 73 | 27 |
| 17 | 73 | 27 |
| 18 | 74 | 26 |
| 19 | 75 | 25 |
| 20 | 76 | 24 |
| 21 | 77 | 23 |
| 22 | 77 | 23 |
| 23 | 79 | 21 |
| 24 | 79 | 21 |
| 25 | 80 | 20 |
| 26 | 81 | 19 |
| 27 | 82 | 18 |
| 28 | 83 | 17 |
| 29 | 83 | 17 |
| 30 | 83 | 17 |
Chance of precipitation in June
İzmit gets around 76 mm of rain over 10.6 wet days in June. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 35% and peaks near 39% on the wettest days. The odds ease toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 38 | 38 | 38 | 38 | 38 | 37 | 36 | 36 | 35 | 35 | 34 | 33 | 33 | 32 | 31 | 30 | 29 | 28 | 27 | 26 | 25 |
| Rain chance (%) | |
|---|---|
| 1 | 39 |
| 2 | 39 |
| 3 | 39 |
| 4 | 39 |
| 5 | 39 |
| 6 | 39 |
| 7 | 39 |
| 8 | 39 |
| 9 | 39 |
| 10 | 38 |
| 11 | 38 |
| 12 | 38 |
| 13 | 38 |
| 14 | 38 |
| 15 | 37 |
| 16 | 36 |
| 17 | 36 |
| 18 | 35 |
| 19 | 35 |
| 20 | 34 |
| 21 | 33 |
| 22 | 33 |
| 23 | 32 |
| 24 | 31 |
| 25 | 30 |
| 26 | 29 |
| 27 | 28 |
| 28 | 27 |
| 29 | 26 |
| 30 | 25 |
Humidity in June
Most of June feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, June lands in the humid band about 39% of days. Sticky, muggy-or-worse air turns up on roughly 12% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 30 | 28 | 26 | 24 | 22 | 21 | 19 | 17 | 16 | 14 | 13 | 12 | 10 | 9 | 9 | 8 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 |
| Comfortable (%) | 49 | 48 | 48 | 47 | 47 | 46 | 45 | 44 | 43 | 42 | 41 | 39 | 38 | 37 | 36 | 35 | 33 | 32 | 31 | 31 | 30 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 27 |
| Humid (%) | 21 | 23 | 25 | 26 | 28 | 30 | 32 | 34 | 35 | 37 | 38 | 40 | 41 | 42 | 43 | 45 | 45 | 46 | 47 | 47 | 47 | 47 | 47 | 46 | 46 | 46 | 45 | 45 | 44 | 44 |
| Muggy (%) | 1 | 1 | 1 | 2 | 3 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 16 | 17 | 18 | 19 | 19 | 20 | 21 | 22 | 23 | 24 | 25 |
| Oppressive (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 30 | 49 | 21 | 1 | 0 |
| 2 | 28 | 48 | 23 | 1 | 0 |
| 3 | 26 | 48 | 25 | 1 | 0 |
| 4 | 24 | 47 | 26 | 2 | 0 |
| 5 | 22 | 47 | 28 | 3 | 0 |
| 6 | 21 | 46 | 30 | 3 | 0 |
| 7 | 19 | 45 | 32 | 4 | 0 |
| 8 | 17 | 44 | 34 | 5 | 0 |
| 9 | 16 | 43 | 35 | 6 | 0 |
| 10 | 14 | 42 | 37 | 7 | 0 |
| 11 | 13 | 41 | 38 | 8 | 0 |
| 12 | 12 | 39 | 40 | 9 | 0 |
| 13 | 10 | 38 | 41 | 10 | 0 |
| 14 | 9 | 37 | 42 | 11 | 0 |
| 15 | 9 | 36 | 43 | 12 | 0 |
| 16 | 8 | 35 | 45 | 13 | 0 |
| 17 | 7 | 33 | 45 | 14 | 0 |
| 18 | 7 | 32 | 46 | 15 | 0 |
| 19 | 6 | 31 | 47 | 16 | 0 |
| 20 | 6 | 31 | 47 | 16 | 0 |
| 21 | 6 | 30 | 47 | 17 | 0 |
| 22 | 5 | 29 | 47 | 18 | 0 |
| 23 | 5 | 29 | 47 | 19 | 0 |
| 24 | 5 | 29 | 46 | 19 | 0 |
| 25 | 5 | 29 | 46 | 20 | 0 |
| 26 | 4 | 28 | 46 | 21 | 0 |
| 27 | 4 | 28 | 45 | 22 | 0 |
| 28 | 4 | 28 | 45 | 23 | 1 |
| 29 | 4 | 28 | 44 | 24 | 1 |
| 30 | 4 | 27 | 44 | 25 | 1 |
Wind in June
Winds average 7 km/h in June.
Across June, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 7 | calm |
| 2 | 7 | calm |
| 3 | 7 | calm |
| 4 | 7 | calm |
| 5 | 7 | calm |
| 6 | 7 | calm |
| 7 | 7 | calm |
| 8 | 7 | calm |
| 9 | 7 | calm |
| 10 | 7 | calm |
| 11 | 7 | calm |
| 12 | 7 | calm |
| 13 | 7 | calm |
| 14 | 7 | calm |
| 15 | 7 | calm |
| 16 | 7 | calm |
| 17 | 7 | calm |
| 18 | 7 | calm |
| 19 | 7 | calm |
| 20 | 7 | calm |
| 21 | 7 | calm |
| 22 | 7 | calm |
| 23 | 7 | calm |
| 24 | 7 | calm |
| 25 | 7 | calm |
| 26 | 7 | calm |
| 27 | 7 | calm |
| 28 | 7 | calm |
| 29 | 7 | calm |
| 30 | 7 | calm |
Sunrise & sunset in June
Daylight runs from about 14 h 42 min at the start of June to 14 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 12 minutes over June. Sunrise moves from 4:37 AM to 4:36 AM, and sunset from 7:19 PM to 7:30 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 14.7 | 14.7 | 14.7 | 14.8 | 14.8 | 14.8 | 14.8 | 14.8 | 14.8 | 14.8 | 14.9 | 14.9 | 14.9 | 14.9 | 14.9 | 14.9 | 14.9 | 14.9 | 14.9 | 14.9 | 14.9 | 14.9 | 14.9 | 14.9 | 14.9 | 14.9 | 14.9 | 14.9 | 14.9 | 14.9 |
| Sunrise (AM) | 4:37 | 4:36 | 4:36 | 4:36 | 4:35 | 4:35 | 4:35 | 4:34 | 4:34 | 4:34 | 4:34 | 4:34 | 4:33 | 4:33 | 4:33 | 4:33 | 4:33 | 4:33 | 4:34 | 4:34 | 4:34 | 4:34 | 4:34 | 4:34 | 4:35 | 4:35 | 4:35 | 4:36 | 4:36 | 4:36 |
| Sunset (PM) | 7:19 | 7:19 | 7:20 | 7:21 | 7:22 | 7:22 | 7:23 | 7:24 | 7:24 | 7:25 | 7:25 | 7:26 | 7:26 | 7:27 | 7:27 | 7:28 | 7:28 | 7:28 | 7:29 | 7:29 | 7:29 | 7:30 | 7:30 | 7:30 | 7:30 | 7:30 | 7:30 | 7:30 | 7:30 | 7:30 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.7 | 4:37 | 7:19 |
| 2 | 14.7 | 4:36 | 7:19 |
| 3 | 14.7 | 4:36 | 7:20 |
| 4 | 14.8 | 4:36 | 7:21 |
| 5 | 14.8 | 4:35 | 7:22 |
| 6 | 14.8 | 4:35 | 7:22 |
| 7 | 14.8 | 4:35 | 7:23 |
| 8 | 14.8 | 4:34 | 7:24 |
| 9 | 14.8 | 4:34 | 7:24 |
| 10 | 14.8 | 4:34 | 7:25 |
| 11 | 14.9 | 4:34 | 7:25 |
| 12 | 14.9 | 4:34 | 7:26 |
| 13 | 14.9 | 4:33 | 7:26 |
| 14 | 14.9 | 4:33 | 7:27 |
| 15 | 14.9 | 4:33 | 7:27 |
| 16 | 14.9 | 4:33 | 7:28 |
| 17 | 14.9 | 4:33 | 7:28 |
| 18 | 14.9 | 4:33 | 7:28 |
| 19 | 14.9 | 4:34 | 7:29 |
| 20 | 14.9 | 4:34 | 7:29 |
| 21 | 14.9 | 4:34 | 7:29 |
| 22 | 14.9 | 4:34 | 7:30 |
| 23 | 14.9 | 4:34 | 7:30 |
| 24 | 14.9 | 4:34 | 7:30 |
| 25 | 14.9 | 4:35 | 7:30 |
| 26 | 14.9 | 4:35 | 7:30 |
| 27 | 14.9 | 4:35 | 7:30 |
| 28 | 14.9 | 4:36 | 7:30 |
| 29 | 14.9 | 4:36 | 7:30 |
| 30 | 14.9 | 4:36 | 7:30 |
Solar energy in June
Average shortwave solar energy reaching the ground each day in June, about 6.63 kWh/m².
For context, solar energy here swings from a low near 1.52 kWh/m² to a high of 6.71 kWh/m² in July across the year — June's 6.63 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.3 | 6.3 | 6.3 | 6.4 | 6.4 | 6.4 | 6.4 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.6 | 6.6 | 6.6 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.3 | Intense |
| 2 | 6.3 | Intense |
| 3 | 6.3 | Intense |
| 4 | 6.4 | Intense |
| 5 | 6.4 | Intense |
| 6 | 6.4 | Intense |
| 7 | 6.4 | Intense |
| 8 | 6.5 | Intense |
| 9 | 6.5 | Intense |
| 10 | 6.5 | Intense |
| 11 | 6.5 | Intense |
| 12 | 6.5 | Intense |
| 13 | 6.6 | Intense |
| 14 | 6.6 | Intense |
| 15 | 6.6 | Intense |
| 16 | 6.7 | Intense |
| 17 | 6.7 | Intense |
| 18 | 6.7 | Intense |
| 19 | 6.7 | Intense |
| 20 | 6.7 | Intense |
| 21 | 6.8 | Intense |
| 22 | 6.8 | Intense |
| 23 | 6.8 | Intense |
| 24 | 6.8 | Intense |
| 25 | 6.8 | Intense |
| 26 | 6.8 | Intense |
| 27 | 6.8 | Intense |
| 28 | 6.8 | Intense |
| 29 | 6.8 | Intense |
| 30 | 6.8 | Intense |
Is June a good time to visit İzmit?
Our two travel scores rate June for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
June is one of the better times to visit İzmit for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for İzmit in June
From June's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In June, İzmit sees daytime highs around 25°C and nights near 15°C. Pack sun protection. Worth having: light clothes and rain gear. About 11 days see rain.
Sea temperature near İzmit in June
The nearest coast averages about 21°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 40 km away) is warmest in August at about 25°C and coldest in February near 7°C.
It's comfortable for a long swim from Jun 11 to Oct 10 — about 4 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 9 | 7 | 8 | 10 | 16 | 21 | 24 | 25 | 23 | 19 | 15 | 11 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Warm | Warm | Refreshing | Cool | Cool | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 9 | Bracing |
| Feb | 7 | Bracing |
| Mar | 8 | Bracing |
| Apr | 10 | Bracing |
| May | 16 | Cool |
| Jun | 21 | Refreshing |
| Jul | 24 | Warm |
| Aug | 25 | Warm |
| Sep | 23 | Refreshing |
| Oct | 19 | Cool |
| Nov | 15 | Cool |
| Dec | 11 | Bracing |
UV index in İzmit in June
Clear-sky midday UV in June peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in İzmit peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 2 | 4 | 7 | 7 | 9 | 9 | 9 | 6 | 4 | 2 | 2 |
| Level | Low | Moderate | Moderate | High | High | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 2 | Moderate |
| Mar | 4 | Moderate |
| Apr | 7 | High |
| May | 7 | High |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
Air quality in İzmit in June
Average fine-particle pollution (PM2.5) through the year — so you can see where June falls, not just the annual average.
Air quality in İzmit is worst in March — around 16 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 8 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 9 | 11 | 16 | 16 | 15 | 13 | 10 | 10 | 10 | 10 | 10 | 8 |
| Level | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 11 | Good |
| Mar | 16 | Moderate |
| Apr | 16 | Moderate |
| May | 15 | Moderate |
| Jun | 13 | Moderate |
| Jul | 10 | Good |
| Aug | 10 | Good |
| Sep | 10 | Good |
| Oct | 10 | Good |
| Nov | 10 | Good |
| Dec | 8 | Good |
Where is İzmit?
İzmit sits at 40.8°N, 29.9°E, 19 m above sea level, in Turkey. The nearest listed city is Derince, 10 km away.
Topography around İzmit
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of İzmit.
Within 3 km, the terrain around İzmit has significant variations in elevation — a maximum elevation change of 272 m around an average of 60 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 991 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,739 m.
The land around İzmit is covered by artificial surfaces (48%) and water (26%) within 3 km, trees (54%) within 16 km, and trees (51%) and water (24%) within 80 km.
Turkey travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 41% of US
- price level, 2025
- GDP per capita
- $18,599
- 2025
- Happiness
- 5.3 / 10
- World Happiness, 2025
- Homicide rate
- 3.2
- per 100k, 2023
- Road deaths
- 6.7
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 488
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for İzmit (40.765°, 29.9293°, elevation 19 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).