Semnān monthly weather averages
Average daytime temperature
The bar chart below shows the average monthly peak daytime temperatures at Semnān
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 7.9 | 10.4 | 16 | 22.9 | 28.5 | 34.3 | 36.8 | 35.6 | 31.8 | 24.4 | 17 | 10.3 |
| °F | 46.3 | 50.7 | 60.8 | 73.2 | 83.3 | 93.7 | 98.2 | 96.1 | 89.2 | 75.9 | 62.6 | 50.5 |
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.
Average rainfall & rainy days
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 | 24 | 21 | 24 | 15 | 15 | 4 | 2 | 4 | 2 | 9 | 11 | 21 |
| inches | 0.9 | 0.8 | 0.9 | 0.6 | 0.6 | 0.1 | 0.1 | 0.1 | 0.1 | 0.4 | 0.4 | 0.8 |
| Rainy days | 7 | 6 | 8 | 7 | 7 | 3 | 2 | 2 | 1 | 4 | 4 | 6 |
Average annual rainfall in Semnān: 240.9mm (94.8 inches)
Average daily sunshine
The bar chart below shows the average daily sunshine hours in Semnān
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hrs sunshine | 6 | 6.7 | 6.9 | 7.7 | 9.5 | 11.9 | 11.5 | 11.3 | 10.6 | 8.9 | 7.5 | 6.3 |
Day / night temperatures
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 | -1.2 | 0.4 | 5.2 | 11.1 | 16.2 | 21.6 | 24.3 | 22.9 | 18.9 | 12.5 | 6.2 | 0.9 |
| Max °C | 8.2 | 10.7 | 16.3 | 23.2 | 28.8 | 34.6 | 37.1 | 35.9 | 32.1 | 24.7 | 17.3 | 10.5 |
| Min °F | 29.9 | 32.6 | 41.3 | 51.9 | 61.2 | 70.9 | 75.7 | 73.2 | 66 | 54.5 | 43.1 | 33.6 |
| Max °F | 38.3 | 41.9 | 51.3 | 62.8 | 72.5 | 82.6 | 87.3 | 84.9 | 77.9 | 65.5 | 53.1 | 42.3 |
Sea temperature
The graph below shows the average sea temperature.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 13.8 | 12.7 | 13 | 15.6 | 20.2 | 24.7 | 27.4 | 28.5 | 26.9 | 23.7 | 19.9 | 16.4 |
| °F | 56.9 | 54.8 | 55.3 | 60.1 | 68.4 | 76.5 | 81.3 | 83.3 | 80.4 | 74.6 | 67.8 | 61.5 |
Wind speed
The graph below shows the average wind speed.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| km/h | 3 | 4 | 6 | 7 | 8 | 7 | 7 | 6 | 6 | 5 | 4 | 3 |
| mph | 2 | 2 | 4 | 5 | 5 | 4 | 4 | 4 | 4 | 3 | 2 | 2 |
A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.
Relative humidity
The graph below shows the average relative humidity.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 64% | 57% | 50% | 40% | 37% | 30% | 30% | 31% | 32% | 41% | 50% | 61% |
Other monthly averages
Semnān weather stats
| Hottest month: | July | 36.8°C 98.2°F |
|---|---|---|
| Driest month: | September | 2mm 0.1ins |
| Sunniest month: | September | 10.6hrs |
| Coldest month: | January | 7.9°C 46.2°F |
| Wettest month: | March | 24mm 0.9ins |
| Warmest sea: | August | 28.5°C 83.3°F |
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