Gorgan climate
Gorgan (Iran) has a hot semi-arid climate (Köppen BSh). The average temperature over the year is 20 °C68 °F, and about 282 mm11 in of precipitation falls in an average year.
Temperature by month
Precipitation by month
Gorgan climate table
| Month | High °C°F | Low °C°F | Mean °C°F | Precip. mmin |
|---|---|---|---|---|
| Jan | 1356 | 438 | 947 | 281.1 |
| Feb | 1559 | 440 | 1049 | 341.3 |
| Mar | 2068 | 846 | 1457 | 421.6 |
| Apr | 2577 | 1254 | 1865 | 341.3 |
| May | 3188 | 1864 | 2476 | 190.8 |
| Jun | 3596 | 2272 | 2984 | 90.4 |
| Jul | 3799 | 2576 | 3188 | 90.3 |
| Aug | 3799 | 2476 | 3187 | 80.3 |
| Sep | 3391 | 2170 | 2780 | 130.5 |
| Oct | 2780 | 1560 | 2170 | 230.9 |
| Nov | 1966 | 949 | 1457 | 381.5 |
| Dec | 1559 | 541 | 1050 | 261.0 |
| Year | 3799 | 438 | 2068 | 28211 |
“Year” row: highest monthly high, lowest monthly low, annual mean and annual total.
| Month | Humid. | Cloud | Solar | Daylight |
|---|---|---|---|---|
| Jan | 63% | 68% | 2.5 | 9:54 |
| Feb | 62% | 68% | 3.2 | 10:47 |
| Mar | 59% | 67% | 4.3 | 11:51 |
| Apr | 57% | 68% | 5.3 | 13:06 |
| May | 51% | 58% | 6.5 | 14:07 |
| Jun | 45% | 45% | 7.4 | 14:40 |
| Jul | 46% | 47% | 7.1 | 14:27 |
| Aug | 42% | 43% | 6.7 | 13:33 |
| Sep | 46% | 44% | 5.6 | 12:22 |
| Oct | 53% | 51% | 4.2 | 11:10 |
| Nov | 61% | 65% | 2.9 | 10:09 |
| Dec | 64% | 67% | 2.2 | 9:39 |
Humid. = average relative humidity at 2 m; cloud = average cloud amount; solar = average daily solar energy reaching the ground in kWh/m² (all-sky); daylight in hours:minutes, calculated for the 15th of each month.
What the climate of Gorgan is like
The warmest month is July, with an average high of 37 °C99 °F and a low of 25 °C76 °F. The coldest is January, when highs average 13 °C56 °F and lows 4 °C38 °F. Seasons are strongly marked: the warmest month is on average 22.5 °C40.4 °F warmer than the coldest.
It is dry, with about 282 mm11 in of precipitation per year. The wettest three-month stretch is February–April, which brings 39% of the annual total. Months with less than 20 mm0.8 in on average: May–September. The wettest month is March (42 mm1.6 in), the driest is August (8 mm0.3 in).
Relative humidity ranges from 42% in August to 64% in December. The clearest skies (lowest average cloud amount, 43%) are typical of August. Average wind speed near the ground ranges from 5 km/h (3 mph) in November to 8 km/h (5 mph) in July. Daylight lasts from about 9.6 hours in December to 14.7 hours in June.
A lasting snow cover is typical in January, when the average snow depth in the reanalysis exceeds 10 cm (deepest in January, about 10 cm).
Best time to visit Gorgan
Based on these averages, the most comfortable months for sightseeing and outdoor activities are March and April and October and November: average highs of 19 °C66 °F to 27 °C80 °F with 23 mm0.9 in to 42 mm1.6 in of precipitation per month.
The most challenging month is July, which is hot, with average highs of 37 °C99 °F.
Comfort score: months are ranked by how close they come to an average high of 21–28 °C (70–82 °F), lows above 5 °C (41 °F), little precipitation and moderate humidity. The best-ranked months of each place are recommended, even where none meets all of these. These are general rules of thumb applied to long-term averages.
What to pack for Gorgan
- Winter (December–February) — highs 1356 to 15 °C59 °F, lows 438 to 5 °C41 °F, about 29 mm1.2 in of precipitation a month. Pack long sleeves, a sweater and a medium jacket and an extra layer for the cooler mornings and evenings.
- Spring (March–May) — highs 2068 to 31 °C88 °F, lows 846 to 18 °C64 °F, about 31 mm1.2 in of precipitation a month. Pack light summer clothes such as T-shirts, shorts or light dresses and an extra layer for the cooler mornings and evenings.
- Summer (June–August) — highs 3596 to 37 °C99 °F, lows 2272 to 25 °C76 °F, about 9 mm0.3 in of precipitation a month. Pack very light, breathable clothing, a sun hat and plenty of water.
- Autumn (September–November) — highs 1966 to 33 °C91 °F, lows 949 to 21 °C70 °F, about 25 mm1.0 in of precipitation a month. Pack light summer clothes such as T-shirts, shorts or light dresses and an extra layer for the cooler mornings and evenings.
How Gorgan compares
Compared with Sari, about 127 km to the west, Gorgan is on average 0.5 °C0.8 °F warmer and receives 47% less precipitation (282 mm11 in vs 536 mm21 in). The difference is largest in July (1.6 °C2.8 °F warmer).
Of the 82 places in Iran covered by World Climates, Gorgan is the 19th warmest by annual mean temperature and the 39th wettest by annual precipitation. See all of them on the Iran climate page.
Places in other countries with the most similar temperature and rainfall pattern: Errachidia (Morocco, BSh), MSila (Algeria, BSh) and Baghlan (Afghanistan, BSh).
Nearby places
- Shahrud 67 km · 13 °C55 °F · 207 mm8.2 in
- Gonbad-e Kavus 79 km · 20 °C68 °F · 245 mm9.6 in
- Sari 127 km · 19 °C67 °F · 536 mm21 in
- Qaem Shahr 147 km · 19 °C67 °F · 536 mm21 in
- Semnan 169 km · 16 °C61 °F · 234 mm9.2 in
- Amol 191 km · 19 °C67 °F · 647 mm25 in
- Bojnurd 265 km · 14 °C58 °F · 200 mm7.9 in
- Chalus 270 km · 21 °C70 °F · 799 mm31 in
Frequently asked questions
What is the warmest month in Gorgan?
July is the warmest month in Gorgan, with an average high of 37 °C (99 °F) and an average low of 25 °C (76 °F).
What is the coldest month in Gorgan?
January is the coldest month, with an average high of 13 °C (56 °F) and an average low of 4 °C (38 °F).
When does it rain the most in Gorgan?
March is the wettest month with about 42 mm (1.6 in) of precipitation; August is the driest with about 8 mm (0.3 in).
What is the best time to visit Gorgan?
Judging by long-term averages, the most comfortable months are March and April and October and November.
About this data
All figures are 25-year averages (January 2001 – December 2025) from the NASA POWER project. Temperature, humidity, wind and precipitation come from the MERRA-2 reanalysis (precipitation is the bias-corrected MERRA-2 product), cloud and solar values from CERES satellite data. They describe a grid cell of roughly 50–70 km, not a single weather station, so they can differ from airport records — most of all on coasts, in mountains and for rainfall. Average highs and lows are the monthly mean temperature plus/minus half of the average daily temperature range. Counts of rainy days are not part of this dataset.
The grid cell’s average elevation is 404 m, while Gorgan lies at about 140 m. Temperatures on this page were therefore adjusted by +1.7 °C3.1 °F using the standard lapse rate of 6.5 °C per 1,000 m.