The bar chart below shows the average monthly peak daytime temperatures at Istra
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | -7 | -5 | 0.7 | 9.6 | 18 | 21.3 | 22.6 | 21 | 15 | 7.9 | 0.6 | -3.9 |
| °F | 19.3 | 23 | 33.2 | 49.3 | 64.4 | 70.3 | 72.6 | 69.8 | 59.1 | 46.2 | 33.2 | 25 |
Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.
The graph below shows the average rainfall and number of rainy days per month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 38 | 32 | 32 | 42 | 52 | 75 | 90 | 75 | 61 | 55 | 53 | 51 |
| inches | 1.5 | 1.3 | 1.3 | 1.6 | 2.1 | 2.9 | 3.6 | 3 | 2.4 | 2.1 | 2.1 | 2 |
| Rainy days | 19 | 15 | 15 | 14 | 13 | 15 | 16 | 14 | 15 | 16 | 18 | 22 |
Average annual rainfall in Istra: 747.534mm (294.3 inches)
The bar chart below shows the average daily sunshine hours in Istra
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hrs sunshine | 1.4 | 2.9 | 4.5 | 6.3 | 9.3 | 10.2 | 9.7 | 8.3 | 5.3 | 2.9 | 1.3 | 0.8 |
The graph below shows the daily range of temperatures for each month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min °C | -13.1 | -12 | -6.5 | 1 | 7.4 | 11.1 | 13 | 11.6 | 6.8 | 2 | -3.6 | -9.1 |
| Max °C | -6.9 | -4.9 | 0.9 | 9.8 | 18.3 | 21.5 | 22.8 | 21.3 | 15.3 | 8.1 | 0.8 | -3.8 |
| Min °F | 8.4 | 10.5 | 20.4 | 33.8 | 45.2 | 52 | 55.4 | 52.8 | 44.2 | 35.5 | 25.6 | 15.7 |
| Max °F | 14 | 16.9 | 27 | 41.7 | 55 | 61.3 | 64.2 | 61.5 | 51.8 | 41 | 29.5 | 20.5 |
The graph below shows the average sea temperature.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 2.9 | 2.5 | 2.6 | 4.4 | 8.7 | 13.4 | 16.6 | 17.2 | 14.5 | 10 | 6 | 3.8 |
| °F | 37.2 | 36.5 | 36.8 | 40 | 47.7 | 56.2 | 61.8 | 63 | 58 | 50 | 42.9 | 38.9 |
The graph below shows the average wind speed.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| km/h | 12 | 12 | 12 | 12 | 9 | 8 | 8 | 8 | 8 | 12 | 12 | 12 |
| mph | 7 | 7 | 7 | 7 | 5 | 5 | 5 | 5 | 5 | 7 | 8 | 8 |
A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.
The graph below shows the average relative humidity.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 98% | 94% | 82% | 70% | 64% | 68% | 72% | 74% | 78% | 84% | 92% | 97% |
| Hottest month: | July | 22.6°C 72.7°F |
|---|---|---|
| Driest month: | March | 32mm 1.3ins |
| Sunniest month: | June | 10.2hrs |
| Coldest month: | January | -7°C 19.4°F |
| Wettest month: | July | 90mm 3.5ins |
| Warmest sea: | August | 17.2°C 63°F |