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Düzce, Turkey climate
Cfa Humid subtropical
Düzce has a seasonal mild-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is August with an average daily high near 79°F, while the coldest is February averaging around 37°F at night. Around 48 inches of precipitation falls each year, peaking in December (6.0 inches) and easing off in April (2.2 inches).
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Düzce climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 48 | 48 | 51 | 58 | 66 | 74 | 79 | 79 | 73 | 67 | 60 | 50 |
| Avg temp (°F) | 43 | 43 | 44 | 52 | 60 | 68 | 72 | 73 | 67 | 62 | 53 | 45 |
| Avg low (°F) | 39 | 37 | 38 | 47 | 54 | 61 | 65 | 66 | 60 | 56 | 47 | 40 |
| Precipitation (in) | 4.7 | 3.9 | 3.7 | 2.3 | 2.6 | 3.0 | 3.9 | 2.5 | 4.7 | 5.8 | 5.1 | 6.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 48 | 48 | 51 | 58 | 66 | 74 |
| Avg temp (°F) | 43 | 43 | 44 | 52 | 60 | 68 |
| Avg low (°F) | 39 | 37 | 38 | 47 | 54 | 61 |
| Precipitation (in) | 4.7 | 3.9 | 3.7 | 2.3 | 2.6 | 3.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 79 | 79 | 73 | 67 | 60 | 50 |
| Avg temp (°F) | 72 | 73 | 67 | 62 | 53 | 45 |
| Avg low (°F) | 65 | 66 | 60 | 56 | 47 | 40 |
| Precipitation (in) | 3.9 | 2.5 | 4.7 | 5.8 | 5.1 | 6.0 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 15 | 14 | 14 | 10 | 9 | 8 | 6 | 5 | 8 | 11 | 11 | 16 |
| Days with high ≥ 90°F (days) | — | — | — | 0.1 | 0.2 | 0.2 | 0.4 | 0.3 | 0.1 | 0.1 | — | — |
| Days with low ≤ 32°F (days) | 3 | 3 | 2 | 0.1 | — | — | — | — | — | — | 0.2 | 2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 15 | 14 | 14 | 10 | 9 | 8 |
| Days with high ≥ 90°F (days) | — | — | — | 0.1 | 0.2 | 0.2 |
| Days with low ≤ 32°F (days) | 3 | 3 | 2 | 0.1 | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 6 | 5 | 8 | 11 | 11 | 16 |
| Days with high ≥ 90°F (days) | 0.4 | 0.3 | 0.1 | 0.1 | — | — |
| Days with low ≤ 32°F (days) | — | — | — | — | 0.2 | 2 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 80 | 78 | 74 | 69 | 62 | 47 | 37 | 39 | 53 | 65 | 71 | 80 |
| Relative humidity (%) | 82 | 80 | 79 | 77 | 78 | 77 | 75 | 74 | 74 | 77 | 77 | 80 |
| Wind speed (mph) | 5.1 | 4.9 | 4.3 | 3.3 | 3.1 | 3.6 | 4.1 | 4.5 | 4.6 | 4.5 | 4.5 | 4.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 80 | 78 | 74 | 69 | 62 | 47 |
| Relative humidity (%) | 82 | 80 | 79 | 77 | 78 | 77 |
| Wind speed (mph) | 5.1 | 4.9 | 4.3 | 3.3 | 3.1 | 3.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 37 | 39 | 53 | 65 | 71 | 80 |
| Relative humidity (%) | 75 | 74 | 74 | 77 | 77 | 80 |
| Wind speed (mph) | 4.1 | 4.5 | 4.6 | 4.5 | 4.5 | 4.9 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 18 years of daily observations at Zonguldak, a weather station, about 86 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.