Bojnurd climate
Bojnurd (Iran) has a cold desert climate (Köppen BWk). The average temperature over the year is 14 °C58 °F, and about 200 mm7.9 in of precipitation falls in an average year.
Temperature by month
Precipitation by month
Bojnurd climate table
| Month | High °C°F | Low °C°F | Mean °C°F | Precip. mmin |
|---|---|---|---|---|
| Jan | 644 | −326 | 135 | 170.7 |
| Feb | 947 | −228 | 338 | 321.3 |
| Mar | 1559 | 235 | 847 | 361.4 |
| Apr | 2170 | 644 | 1457 | 311.2 |
| May | 2781 | 1254 | 2068 | 190.8 |
| Jun | 3392 | 1662 | 2577 | 60.2 |
| Jul | 3595 | 1966 | 2781 | 60.3 |
| Aug | 3392 | 1763 | 2577 | 30.1 |
| Sep | 2984 | 1356 | 2170 | 30.1 |
| Oct | 2272 | 846 | 1559 | 90.3 |
| Nov | 1356 | 235 | 745 | 210.8 |
| Dec | 846 | −228 | 337 | 160.6 |
| Year | 3595 | −326 | 1458 | 2007.9 |
“Year” row: highest monthly high, lowest monthly low, annual mean and annual total.
| Month | Humid. | Cloud | Solar | Daylight |
|---|---|---|---|---|
| Jan | 70% | 66% | 2.3 | 9:51 |
| Feb | 67% | 66% | 3.0 | 10:45 |
| Mar | 62% | 65% | 4.2 | 11:51 |
| Apr | 58% | 65% | 5.4 | 13:07 |
| May | 47% | 56% | 6.7 | 14:10 |
| Jun | 31% | 42% | 7.9 | 14:44 |
| Jul | 27% | 36% | 7.8 | 14:30 |
| Aug | 25% | 32% | 7.2 | 13:36 |
| Sep | 30% | 32% | 6.0 | 12:22 |
| Oct | 43% | 41% | 4.2 | 11:09 |
| Nov | 60% | 54% | 2.8 | 10:06 |
| Dec | 70% | 61% | 2.1 | 9:35 |
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 Bojnurd is like
The warmest month is July, with an average high of 35 °C95 °F and a low of 19 °C66 °F. The coldest is January, when highs average 6 °C44 °F and lows −3 °C26 °F. Seasons are strongly marked: the warmest month is on average 25.5 °C45.8 °F warmer than the coldest.
It is dry, with about 200 mm7.9 in of precipitation per year. The wettest three-month stretch is February–April, which brings 50% of the annual total. Months with less than 20 mm0.8 in on average: December and January and May–October. The wettest month is March (36 mm1.4 in), the driest is August (3 mm0.1 in).
Relative humidity ranges from 25% in August to 70% in December. The clearest skies (lowest average cloud amount, 32%) are typical of September. Average wind speed near the ground ranges from 7 km/h (4 mph) in November to 10 km/h (6 mph) in July. Daylight lasts from about 9.6 hours in December to 14.7 hours in June.
Best time to visit Bojnurd
Based on these averages, the most comfortable months for sightseeing and outdoor activities are April and May and September and October: average highs of 21 °C70 °F to 29 °C84 °F with 3 mm0.1 in to 31 mm1.2 in of precipitation per month.
The most challenging month is January, which is cold, with average highs of 6 °C44 °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 Bojnurd
- Winter (December–February) — highs 644 to 9 °C47 °F, lows −326 to −2 °C28 °F, about 22 mm0.9 in of precipitation a month. Pack a warm coat, layers and closed shoes, an extra layer for the cooler mornings and evenings and shoes with good grip, as frost is common.
- Spring (March–May) — highs 1559 to 27 °C81 °F, lows 235 to 12 °C54 °F, about 29 mm1.1 in of precipitation a month. Pack light layers — T-shirts plus a light sweater or jacket and an extra layer for the cooler mornings and evenings.
- Summer (June–August) — highs 3392 to 35 °C95 °F, lows 1662 to 19 °C66 °F, about 5 mm0.2 in of precipitation a month. Pack very light, breathable clothing, a sun hat and plenty of water and an extra layer for the cooler mornings and evenings.
- Autumn (September–November) — highs 1356 to 29 °C84 °F, lows 235 to 13 °C56 °F, about 11 mm0.4 in of precipitation a month. Pack light layers — T-shirts plus a light sweater or jacket and an extra layer for the cooler mornings and evenings.
How Bojnurd compares
Compared with Ashgabat, about 107 km to the northeast, Bojnurd is on average 4.7 °C8.5 °F cooler and receives a similar amount of precipitation. The difference is largest in May (5.2 °C9.4 °F cooler).
Of the 82 places in Iran covered by World Climates, Bojnurd is the 61st warmest by annual mean temperature and the 57th 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: Istaravshan (Tajikistan, BSk), Osh (Kyrgyzstan, BWk) and Angren (Uzbekistan, Csa).
Nearby places
- Ashgabat 107 km · 19 °C66 °F · 195 mm7.7 in
- Quchan 112 km · 13 °C55 °F · 190 mm7.5 in
- Sabzevar 144 km · 17 °C63 °F · 162 mm6.4 in
- Neyshabur 192 km · 15 °C59 °F · 170 mm6.7 in
- Gonbad-e Kavus 193 km · 20 °C68 °F · 245 mm9.6 in
- Shahrud 240 km · 13 °C55 °F · 207 mm8.2 in
- Mashhad 241 km · 15 °C59 °F · 186 mm7.3 in
- Gorgan 265 km · 20 °C68 °F · 282 mm11 in
Frequently asked questions
What is the warmest month in Bojnurd?
July is the warmest month in Bojnurd, with an average high of 35 °C (95 °F) and an average low of 19 °C (66 °F).
What is the coldest month in Bojnurd?
January is the coldest month, with an average high of 6 °C (44 °F) and an average low of -3 °C (26 °F).
When does it rain the most in Bojnurd?
March is the wettest month with about 36 mm (1.4 in) of precipitation; August is the driest with about 3 mm (0.1 in).
What is the best time to visit Bojnurd?
Judging by long-term averages, the most comfortable months are April and May and September and October.
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 1,435 m, while Bojnurd lies at about 1,069 m. Temperatures on this page were therefore adjusted by +2.4 °C4.3 °F using the standard lapse rate of 6.5 °C per 1,000 m.